<?php

namespace Illuminate\Validation\Concerns;

use Brick\Math\BigDecimal;
use Brick\Math\BigNumber;
use Brick\Math\Exception\MathException as BrickMathException;
use DateTime;
use DateTimeInterface;
use DateTimeZone;
use Egulias\EmailValidator\EmailValidator;
use Egulias\EmailValidator\Validation\DNSCheckValidation;
use Egulias\EmailValidator\Validation\Extra\SpoofCheckValidation;
use Egulias\EmailValidator\Validation\MultipleValidationWithAnd;
use Egulias\EmailValidator\Validation\NoRFCWarningsValidation;
use Egulias\EmailValidator\Validation\RFCValidation;
use Exception;
use Illuminate\Container\Container;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Arr;
use Illuminate\Support\Exceptions\MathException;
use Illuminate\Support\Facades\Date;
use Illuminate\Support\Str;
use Illuminate\Validation\Rules\Exists;
use Illuminate\Validation\Rules\Unique;
use Illuminate\Validation\ValidationData;
use InvalidArgumentException;
use Symfony\Component\HttpFoundation\File\File;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use ValueError;

trait ValidatesAttributes
{
    /**
     * Validate that an attribute was "accepted".
     *
     * This validation rule implies the attribute is "required".
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateAccepted($attribute, $value)
    {
        $acceptable = ['yes', 'on', '1', 1, true, 'true'];

        return $this->validateRequired($attribute, $value) && in_array($value, $acceptable, true);
    }

    /**
     * Validate that an attribute was "accepted" when another attribute has a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateAcceptedIf($attribute, $value, $parameters)
    {
        $acceptable = ['yes', 'on', '1', 1, true, 'true'];

        $this->requireParameterCount(2, $parameters, 'accepted_if');

        [$values, $other] = $this->parseDependentRuleParameters($parameters);

        if (in_array($other, $values, is_bool($other) || is_null($other))) {
            return $this->validateRequired($attribute, $value) && in_array($value, $acceptable, true);
        }

        return true;
    }

    /**
     * Validate that an attribute was "declined".
     *
     * This validation rule implies the attribute is "required".
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateDeclined($attribute, $value)
    {
        $acceptable = ['no', 'off', '0', 0, false, 'false'];

        return $this->validateRequired($attribute, $value) && in_array($value, $acceptable, true);
    }

    /**
     * Validate that an attribute was "declined" when another attribute has a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateDeclinedIf($attribute, $value, $parameters)
    {
        $acceptable = ['no', 'off', '0', 0, false, 'false'];

        $this->requireParameterCount(2, $parameters, 'declined_if');

        [$values, $other] = $this->parseDependentRuleParameters($parameters);

        if (in_array($other, $values, is_bool($other) || is_null($other))) {
            return $this->validateRequired($attribute, $value) && in_array($value, $acceptable, true);
        }

        return true;
    }

    /**
     * Validate that an attribute is an active URL.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateActiveUrl($attribute, $value)
    {
        if (! is_string($value)) {
            return false;
        }

        if ($url = parse_url($value, PHP_URL_HOST)) {
            try {
                $records = $this->getDnsRecords($url.'.', DNS_A | DNS_AAAA);

                if (is_array($records) && count($records) > 0) {
                    return true;
                }
            } catch (Exception) {
                return false;
            }
        }

        return false;
    }

    /**
     * Get the DNS records for the given hostname.
     *
     * @param  string  $hostname
     * @param  int  $type
     * @return array|false
     */
    protected function getDnsRecords($hostname, $type)
    {
        return dns_get_record($hostname, $type);
    }

    /**
     * Validate that an attribute is 7 bit ASCII.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateAscii($attribute, $value)
    {
        return Str::isAscii($value);
    }

    /**
     * "Break" on first validation fail.
     *
     * Always returns true, just lets us put "bail" in rules.
     *
     * @return bool
     */
    public function validateBail()
    {
        return true;
    }

    /**
     * Validate the date is before a given date.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateBefore($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'before');

        return $this->compareDates($attribute, $value, $parameters, '<');
    }

    /**
     * Validate the date is before or equal a given date.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateBeforeOrEqual($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'before_or_equal');

        return $this->compareDates($attribute, $value, $parameters, '<=');
    }

    /**
     * Validate the date is after a given date.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateAfter($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'after');

        return $this->compareDates($attribute, $value, $parameters, '>');
    }

    /**
     * Validate the date is equal or after a given date.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateAfterOrEqual($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'after_or_equal');

        return $this->compareDates($attribute, $value, $parameters, '>=');
    }

    /**
     * Compare a given date against another using an operator.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @param  string  $operator
     * @return bool
     */
    protected function compareDates($attribute, $value, $parameters, $operator)
    {
        if (! is_string($value) && ! is_numeric($value) && ! $value instanceof DateTimeInterface) {
            return false;
        }

        if ($format = $this->getDateFormat($attribute)) {
            return $this->checkDateTimeOrder($format, $value, $parameters[0], $operator);
        }

        if (is_null($date = $this->getDateTimestamp($parameters[0]))) {
            $date = $this->getDateTimestamp($this->getValue($parameters[0]));
        }

        return $this->compare($this->getDateTimestamp($value), $date, $operator);
    }

    /**
     * Get the date format for an attribute if it has one.
     *
     * @param  string  $attribute
     * @return string|null
     */
    protected function getDateFormat($attribute)
    {
        if ($result = $this->getRule($attribute, 'DateFormat')) {
            return $result[1][0];
        }
    }

    /**
     * Get the date timestamp.
     *
     * @param  mixed  $value
     * @return int
     */
    protected function getDateTimestamp($value)
    {
        $date = is_null($value) ? null : $this->getDateTime($value);

        return $date ? $date->getTimestamp() : null;
    }

    /**
     * Given two date/time strings, check that one is after the other.
     *
     * @param  string  $format
     * @param  string  $first
     * @param  string  $second
     * @param  string  $operator
     * @return bool
     */
    protected function checkDateTimeOrder($format, $first, $second, $operator)
    {
        $firstDate = $this->getDateTimeWithOptionalFormat($format, $first);

        if (! $secondDate = $this->getDateTimeWithOptionalFormat($format, $second)) {
            if (is_null($second = $this->getValue($second))) {
                return true;
            }

            $secondDate = $this->getDateTimeWithOptionalFormat($format, $second);
        }

        return ($firstDate && $secondDate) && $this->compare($firstDate, $secondDate, $operator);
    }

    /**
     * Get a DateTime instance from a string.
     *
     * @param  string  $format
     * @param  string  $value
     * @return \DateTime|null
     */
    protected function getDateTimeWithOptionalFormat($format, $value)
    {
        if ($date = DateTime::createFromFormat('!'.$format, $value)) {
            return $date;
        }

        return $this->getDateTime($value);
    }

    /**
     * Get a DateTime instance from a string with no format.
     *
     * @param  string  $value
     * @return \DateTime|null
     */
    protected function getDateTime($value)
    {
        try {
            return @Date::parse($value) ?: null;
        } catch (Exception) {
            //
        }
    }

    /**
     * Validate that an attribute contains only alphabetic characters.
     * If the 'ascii' option is passed, validate that an attribute contains only ascii alphabetic characters.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateAlpha($attribute, $value, $parameters)
    {
        if (isset($parameters[0]) && $parameters[0] === 'ascii') {
            return is_string($value) && preg_match('/\A[a-zA-Z]+\z/u', $value);
        }

        return is_string($value) && preg_match('/\A[\pL\pM]+\z/u', $value);
    }

    /**
     * Validate that an attribute contains only alpha-numeric characters, dashes, and underscores.
     * If the 'ascii' option is passed, validate that an attribute contains only ascii alpha-numeric characters,
     * dashes, and underscores.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateAlphaDash($attribute, $value, $parameters)
    {
        if (! is_string($value) && ! is_numeric($value)) {
            return false;
        }

        if (isset($parameters[0]) && $parameters[0] === 'ascii') {
            return preg_match('/\A[a-zA-Z0-9_-]+\z/u', $value) > 0;
        }

        return preg_match('/\A[\pL\pM\pN_-]+\z/u', $value) > 0;
    }

    /**
     * Validate that an attribute contains only alpha-numeric characters.
     * If the 'ascii' option is passed, validate that an attribute contains only ascii alpha-numeric characters.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateAlphaNum($attribute, $value, $parameters)
    {
        if (! is_string($value) && ! is_numeric($value)) {
            return false;
        }

        if (isset($parameters[0]) && $parameters[0] === 'ascii') {
            return preg_match('/\A[a-zA-Z0-9]+\z/u', $value) > 0;
        }

        return preg_match('/\A[\pL\pM\pN]+\z/u', $value) > 0;
    }

    /**
     * Validate that an attribute is an array.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateArray($attribute, $value, $parameters = [])
    {
        if (! is_array($value)) {
            return false;
        }

        if (empty($parameters)) {
            return true;
        }

        return empty(array_diff_key($value, array_fill_keys($parameters, '')));
    }

    /**
     * Validate that an attribute is a list.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateList($attribute, $value)
    {
        return is_array($value) && array_is_list($value);
    }

    /**
     * Validate that an array has all of the given keys.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateRequiredArrayKeys($attribute, $value, $parameters)
    {
        if (! is_array($value)) {
            return false;
        }

        foreach ($parameters as $param) {
            if (! Arr::exists($value, $param)) {
                return false;
            }
        }

        return true;
    }

    /**
     * Validate the size of an attribute is between a set of values.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateBetween($attribute, $value, $parameters)
    {
        $this->requireParameterCount(2, $parameters, 'between');

        return with(
            BigNumber::of($this->getSize($attribute, $value)),
            fn ($size) => $size->isGreaterThanOrEqualTo($this->trim($parameters[0])) && $size->isLessThanOrEqualTo($this->trim($parameters[1]))
        );
    }

    /**
     * Validate that an attribute is a boolean.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateBoolean($attribute, $value)
    {
        $acceptable = [true, false, 0, 1, '0', '1'];

        return in_array($value, $acceptable, true);
    }

    /**
     * Validate that an attribute has a matching confirmation.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateConfirmed($attribute, $value)
    {
        return $this->validateSame($attribute, $value, [$attribute.'_confirmation']);
    }

    /**
     * Validate an attribute contains a list of values.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateContains($attribute, $value, $parameters)
    {
        if (! is_array($value)) {
            return false;
        }

        foreach ($parameters as $parameter) {
            if (! in_array($parameter, $value)) {
                return false;
            }
        }

        return true;
    }

    /**
     * Validate that the password of the currently authenticated user matches the given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    protected function validateCurrentPassword($attribute, $value, $parameters)
    {
        $auth = $this->container->make('auth');
        $hasher = $this->container->make('hash');

        $guard = $auth->guard(Arr::first($parameters));

        if ($guard->guest()) {
            return false;
        }

        return $hasher->check($value, $guard->user()->getAuthPassword());
    }

    /**
     * Validate that an attribute is a valid date.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateDate($attribute, $value)
    {
        if ($value instanceof DateTimeInterface) {
            return true;
        }

        try {
            if ((! is_string($value) && ! is_numeric($value)) || strtotime($value) === false) {
                return false;
            }
        } catch (Exception) {
            return false;
        }

        $date = date_parse($value);

        return checkdate($date['month'], $date['day'], $date['year']);
    }

    /**
     * Validate that an attribute matches a date format.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateDateFormat($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'date_format');

        if (! is_string($value) && ! is_numeric($value)) {
            return false;
        }

        foreach ($parameters as $format) {
            try {
                $date = DateTime::createFromFormat('!'.$format, $value);

                if ($date && $date->format($format) == $value) {
                    return true;
                }
            } catch (ValueError) {
                return false;
            }
        }

        return false;
    }

    /**
     * Validate that an attribute is equal to another date.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateDateEquals($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'date_equals');

        return $this->compareDates($attribute, $value, $parameters, '=');
    }

    /**
     * Validate that an attribute has a given number of decimal places.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateDecimal($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'decimal');

        if (! $this->validateNumeric($attribute, $value)) {
            return false;
        }

        $matches = [];

        if (preg_match('/^[+-]?\d*\.?(\d*)$/', $value, $matches) !== 1) {
            return false;
        }

        $decimals = strlen(end($matches));

        if (! isset($parameters[1])) {
            return $decimals == $parameters[0];
        }

        return $decimals >= $parameters[0] &&
               $decimals <= $parameters[1];
    }

    /**
     * Validate that an attribute is different from another attribute.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateDifferent($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'different');

        foreach ($parameters as $parameter) {
            if (Arr::has($this->data, $parameter)) {
                $other = Arr::get($this->data, $parameter);

                if ($value === $other) {
                    return false;
                }
            }
        }

        return true;
    }

    /**
     * Validate that an attribute has a given number of digits.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateDigits($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'digits');

        return ! preg_match('/[^0-9]/', $value)
                    && strlen((string) $value) == $parameters[0];
    }

    /**
     * Validate that an attribute is between a given number of digits.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateDigitsBetween($attribute, $value, $parameters)
    {
        $this->requireParameterCount(2, $parameters, 'digits_between');

        $length = strlen((string) $value);

        return ! preg_match('/[^0-9]/', $value)
                    && $length >= $parameters[0] && $length <= $parameters[1];
    }

    /**
     * Validate the dimensions of an image matches the given values.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateDimensions($attribute, $value, $parameters)
    {
        if ($this->isValidFileInstance($value) && in_array($value->getMimeType(), ['image/svg+xml', 'image/svg'])) {
            return true;
        }

        if (! $this->isValidFileInstance($value)) {
            return false;
        }

        $dimensions = method_exists($value, 'dimensions')
                ? $value->dimensions()
                : @getimagesize($value->getRealPath());

        if (! $dimensions) {
            return false;
        }

        $this->requireParameterCount(1, $parameters, 'dimensions');

        [$width, $height] = $dimensions;

        $parameters = $this->parseNamedParameters($parameters);

        if ($this->failsBasicDimensionChecks($parameters, $width, $height) ||
            $this->failsRatioCheck($parameters, $width, $height)) {
            return false;
        }

        return true;
    }

    /**
     * Test if the given width and height fail any conditions.
     *
     * @param  array<string,string>  $parameters
     * @param  int  $width
     * @param  int  $height
     * @return bool
     */
    protected function failsBasicDimensionChecks($parameters, $width, $height)
    {
        return (isset($parameters['width']) && $parameters['width'] != $width) ||
               (isset($parameters['min_width']) && $parameters['min_width'] > $width) ||
               (isset($parameters['max_width']) && $parameters['max_width'] < $width) ||
               (isset($parameters['height']) && $parameters['height'] != $height) ||
               (isset($parameters['min_height']) && $parameters['min_height'] > $height) ||
               (isset($parameters['max_height']) && $parameters['max_height'] < $height);
    }

    /**
     * Determine if the given parameters fail a dimension ratio check.
     *
     * @param  array<string,string>  $parameters
     * @param  int  $width
     * @param  int  $height
     * @return bool
     */
    protected function failsRatioCheck($parameters, $width, $height)
    {
        if (! isset($parameters['ratio'])) {
            return false;
        }

        [$numerator, $denominator] = array_replace(
            [1, 1], array_filter(sscanf($parameters['ratio'], '%f/%d'))
        );

        $precision = 1 / (max(($width + $height) / 2, $height) + 1);

        return abs($numerator / $denominator - $width / $height) > $precision;
    }

    /**
     * Validate an attribute is unique among other values.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateDistinct($attribute, $value, $parameters)
    {
        $data = Arr::except($this->getDistinctValues($attribute), $attribute);

        if (in_array('ignore_case', $parameters)) {
            return empty(preg_grep('/^'.preg_quote($value, '/').'$/iu', $data));
        }

        return ! in_array($value, array_values($data), in_array('strict', $parameters));
    }

    /**
     * Get the values to distinct between.
     *
     * @param  string  $attribute
     * @return array
     */
    protected function getDistinctValues($attribute)
    {
        $attributeName = $this->getPrimaryAttribute($attribute);

        if (! property_exists($this, 'distinctValues')) {
            return $this->extractDistinctValues($attributeName);
        }

        if (! array_key_exists($attributeName, $this->distinctValues)) {
            $this->distinctValues[$attributeName] = $this->extractDistinctValues($attributeName);
        }

        return $this->distinctValues[$attributeName];
    }

    /**
     * Extract the distinct values from the data.
     *
     * @param  string  $attribute
     * @return array
     */
    protected function extractDistinctValues($attribute)
    {
        $attributeData = ValidationData::extractDataFromPath(
            ValidationData::getLeadingExplicitAttributePath($attribute), $this->data
        );

        $pattern = str_replace('\*', '[^.]+', preg_quote($attribute, '#'));

        return Arr::where(Arr::dot($attributeData), function ($value, $key) use ($pattern) {
            return (bool) preg_match('#^'.$pattern.'\z#u', $key);
        });
    }

    /**
     * Validate that an attribute is a valid e-mail address.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateEmail($attribute, $value, $parameters)
    {
        if (! is_string($value) && ! (is_object($value) && method_exists($value, '__toString'))) {
            return false;
        }

        $validations = collect($parameters)
            ->unique()
            ->map(fn ($validation) => match (true) {
                $validation === 'strict' => new NoRFCWarningsValidation(),
                $validation === 'dns' => new DNSCheckValidation(),
                $validation === 'spoof' => new SpoofCheckValidation(),
                $validation === 'filter' => new FilterEmailValidation(),
                $validation === 'filter_unicode' => FilterEmailValidation::unicode(),
                is_string($validation) && class_exists($validation) => $this->container->make($validation),
                default => new RFCValidation(),
            })
            ->values()
            ->all() ?: [new RFCValidation];

        $emailValidator = Container::getInstance()->make(EmailValidator::class);

        return $emailValidator->isValid($value, new MultipleValidationWithAnd($validations));
    }

    /**
     * Validate the existence of an attribute value in a database table.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateExists($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'exists');

        [$connection, $table] = $this->parseTable($parameters[0]);

        // The second parameter position holds the name of the column that should be
        // verified as existing. If this parameter is not specified we will guess
        // that the columns being "verified" shares the given attribute's name.
        $column = $this->getQueryColumn($parameters, $attribute);

        $expected = is_array($value) ? count(array_unique($value)) : 1;

        if ($expected === 0) {
            return true;
        }

        return $this->getExistCount(
            $connection, $table, $column, $value, $parameters
        ) >= $expected;
    }

    /**
     * Get the number of records that exist in storage.
     *
     * @param  mixed  $connection
     * @param  string  $table
     * @param  string  $column
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return int
     */
    protected function getExistCount($connection, $table, $column, $value, $parameters)
    {
        $verifier = $this->getPresenceVerifier($connection);

        $extra = $this->getExtraConditions(
            array_values(array_slice($parameters, 2))
        );

        if ($this->currentRule instanceof Exists) {
            $extra = array_merge($extra, $this->currentRule->queryCallbacks());
        }

        return is_array($value)
                ? $verifier->getMultiCount($table, $column, $value, $extra)
                : $verifier->getCount($table, $column, $value, null, null, $extra);
    }

    /**
     * Validate the uniqueness of an attribute value on a given database table.
     *
     * If a database column is not specified, the attribute will be used.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateUnique($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'unique');

        [$connection, $table, $idColumn] = $this->parseTable($parameters[0]);

        // The second parameter position holds the name of the column that needs to
        // be verified as unique. If this parameter isn't specified we will just
        // assume that this column to be verified shares the attribute's name.
        $column = $this->getQueryColumn($parameters, $attribute);

        $id = null;

        if (isset($parameters[2])) {
            [$idColumn, $id] = $this->getUniqueIds($idColumn, $parameters);

            if (! is_null($id)) {
                $id = stripslashes($id);
            }
        }

        // The presence verifier is responsible for counting rows within this store
        // mechanism which might be a relational database or any other permanent
        // data store like Redis, etc. We will use it to determine uniqueness.
        $verifier = $this->getPresenceVerifier($connection);

        $extra = $this->getUniqueExtra($parameters);

        if ($this->currentRule instanceof Unique) {
            $extra = array_merge($extra, $this->currentRule->queryCallbacks());
        }

        return $verifier->getCount(
            $table, $column, $value, $id, $idColumn, $extra
        ) == 0;
    }

    /**
     * Get the excluded ID column and value for the unique rule.
     *
     * @param  string|null  $idColumn
     * @param  array<int, int|string>  $parameters
     * @return array
     */
    protected function getUniqueIds($idColumn, $parameters)
    {
        $idColumn ??= $parameters[3] ?? 'id';

        return [$idColumn, $this->prepareUniqueId($parameters[2])];
    }

    /**
     * Prepare the given ID for querying.
     *
     * @param  mixed  $id
     * @return int
     */
    protected function prepareUniqueId($id)
    {
        if (preg_match('/\[(.*)\]/', $id, $matches)) {
            $id = $this->getValue($matches[1]);
        }

        if (strtolower($id) === 'null') {
            $id = null;
        }

        if (filter_var($id, FILTER_VALIDATE_INT) !== false) {
            $id = (int) $id;
        }

        return $id;
    }

    /**
     * Get the extra conditions for a unique rule.
     *
     * @param  array<int, int|string>  $parameters
     * @return array
     */
    protected function getUniqueExtra($parameters)
    {
        if (isset($parameters[4])) {
            return $this->getExtraConditions(array_slice($parameters, 4));
        }

        return [];
    }

    /**
     * Parse the connection / table for the unique / exists rules.
     *
     * @param  string  $table
     * @return array
     */
    public function parseTable($table)
    {
        [$connection, $table] = str_contains($table, '.') ? explode('.', $table, 2) : [null, $table];

        if (str_contains($table, '\\') && class_exists($table) && is_a($table, Model::class, true)) {
            $model = new $table;

            $table = $model->getTable();
            $connection ??= $model->getConnectionName();

            if (str_contains($table, '.') && Str::startsWith($table, $connection)) {
                $connection = null;
            }

            $idColumn = $model->getKeyName();
        }

        return [$connection, $table, $idColumn ?? null];
    }

    /**
     * Get the column name for an exists / unique query.
     *
     * @param  array<int, int|string>  $parameters
     * @param  string  $attribute
     * @return bool
     */
    public function getQueryColumn($parameters, $attribute)
    {
        return isset($parameters[1]) && $parameters[1] !== 'NULL'
                    ? $parameters[1] : $this->guessColumnForQuery($attribute);
    }

    /**
     * Guess the database column from the given attribute name.
     *
     * @param  string  $attribute
     * @return string
     */
    public function guessColumnForQuery($attribute)
    {
        if (in_array($attribute, Arr::collapse($this->implicitAttributes))
                && ! is_numeric($last = last(explode('.', $attribute)))) {
            return $last;
        }

        return $attribute;
    }

    /**
     * Get the extra conditions for a unique / exists rule.
     *
     * @param  array  $segments
     * @return array
     */
    protected function getExtraConditions(array $segments)
    {
        $extra = [];

        $count = count($segments);

        for ($i = 0; $i < $count; $i += 2) {
            $extra[$segments[$i]] = $segments[$i + 1];
        }

        return $extra;
    }

    /**
     * Validate the extension of a file upload attribute is in a set of defined extensions.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateExtensions($attribute, $value, $parameters)
    {
        if (! $this->isValidFileInstance($value)) {
            return false;
        }

        if ($this->shouldBlockPhpUpload($value, $parameters)) {
            return false;
        }

        return in_array(strtolower($value->getClientOriginalExtension()), $parameters);
    }

    /**
     * Validate the given value is a valid file.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateFile($attribute, $value)
    {
        return $this->isValidFileInstance($value);
    }

    /**
     * Validate the given attribute is filled if it is present.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateFilled($attribute, $value)
    {
        if (Arr::has($this->data, $attribute)) {
            return $this->validateRequired($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that an attribute is greater than another attribute.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateGt($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'gt');

        $comparedToValue = $this->getValue($parameters[0]);

        $this->shouldBeNumeric($attribute, 'Gt');

        if (is_null($comparedToValue) && (is_numeric($value) && is_numeric($parameters[0]))) {
            return BigNumber::of($this->getSize($attribute, $value))->isGreaterThan($this->trim($parameters[0]));
        }

        if (is_numeric($parameters[0])) {
            return false;
        }

        if ($this->hasRule($attribute, $this->numericRules) && is_numeric($value) && is_numeric($comparedToValue)) {
            return BigNumber::of($this->trim($value))->isGreaterThan($this->trim($comparedToValue));
        }

        if (! $this->isSameType($value, $comparedToValue)) {
            return false;
        }

        return $this->getSize($attribute, $value) > $this->getSize($attribute, $comparedToValue);
    }

    /**
     * Validate that an attribute is less than another attribute.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateLt($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'lt');

        $comparedToValue = $this->getValue($parameters[0]);

        $this->shouldBeNumeric($attribute, 'Lt');

        if (is_null($comparedToValue) && (is_numeric($value) && is_numeric($parameters[0]))) {
            return BigNumber::of($this->getSize($attribute, $value))->isLessThan($this->trim($parameters[0]));
        }

        if (is_numeric($parameters[0])) {
            return false;
        }

        if ($this->hasRule($attribute, $this->numericRules) && is_numeric($value) && is_numeric($comparedToValue)) {
            return BigNumber::of($this->trim($value))->isLessThan($this->trim($comparedToValue));
        }

        if (! $this->isSameType($value, $comparedToValue)) {
            return false;
        }

        return $this->getSize($attribute, $value) < $this->getSize($attribute, $comparedToValue);
    }

    /**
     * Validate that an attribute is greater than or equal another attribute.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateGte($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'gte');

        $comparedToValue = $this->getValue($parameters[0]);

        $this->shouldBeNumeric($attribute, 'Gte');

        if (is_null($comparedToValue) && (is_numeric($value) && is_numeric($parameters[0]))) {
            return BigNumber::of($this->getSize($attribute, $value))->isGreaterThanOrEqualTo($this->trim($parameters[0]));
        }

        if (is_numeric($parameters[0])) {
            return false;
        }

        if ($this->hasRule($attribute, $this->numericRules) && is_numeric($value) && is_numeric($comparedToValue)) {
            return BigNumber::of($this->trim($value))->isGreaterThanOrEqualTo($this->trim($comparedToValue));
        }

        if (! $this->isSameType($value, $comparedToValue)) {
            return false;
        }

        return $this->getSize($attribute, $value) >= $this->getSize($attribute, $comparedToValue);
    }

    /**
     * Validate that an attribute is less than or equal another attribute.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateLte($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'lte');

        $comparedToValue = $this->getValue($parameters[0]);

        $this->shouldBeNumeric($attribute, 'Lte');

        if (is_null($comparedToValue) && (is_numeric($value) && is_numeric($parameters[0]))) {
            return BigNumber::of($this->getSize($attribute, $value))->isLessThanOrEqualTo($this->trim($parameters[0]));
        }

        if (is_numeric($parameters[0])) {
            return false;
        }

        if ($this->hasRule($attribute, $this->numericRules) && is_numeric($value) && is_numeric($comparedToValue)) {
            return BigNumber::of($this->trim($value))->isLessThanOrEqualTo($this->trim($comparedToValue));
        }

        if (! $this->isSameType($value, $comparedToValue)) {
            return false;
        }

        return $this->getSize($attribute, $value) <= $this->getSize($attribute, $comparedToValue);
    }

    /**
     * Validate that an attribute is lowercase.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateLowercase($attribute, $value, $parameters)
    {
        return Str::lower($value) === $value;
    }

    /**
     * Validate that an attribute is uppercase.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateUppercase($attribute, $value, $parameters)
    {
        return Str::upper($value) === $value;
    }

    /**
     * Validate that an attribute is a valid HEX color.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateHexColor($attribute, $value)
    {
        return preg_match('/^#(?:(?:[0-9a-f]{3}){1,2}|(?:[0-9a-f]{4}){1,2})$/i', $value) === 1;
    }

    /**
     * Validate the MIME type of a file is an image MIME type.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateImage($attribute, $value)
    {
        return $this->validateMimes($attribute, $value, ['jpg', 'jpeg', 'png', 'gif', 'bmp', 'svg', 'webp']);
    }

    /**
     * Validate an attribute is contained within a list of values.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateIn($attribute, $value, $parameters)
    {
        if (is_array($value) && $this->hasRule($attribute, 'Array')) {
            foreach ($value as $element) {
                if (is_array($element)) {
                    return false;
                }
            }

            return count(array_diff($value, $parameters)) === 0;
        }

        return ! is_array($value) && in_array((string) $value, $parameters);
    }

    /**
     * Validate that the values of an attribute are in another attribute.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateInArray($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'in_array');

        $explicitPath = ValidationData::getLeadingExplicitAttributePath($parameters[0]);

        $attributeData = ValidationData::extractDataFromPath($explicitPath, $this->data);

        $otherValues = Arr::where(Arr::dot($attributeData), function ($value, $key) use ($parameters) {
            return Str::is($parameters[0], $key);
        });

        return in_array($value, $otherValues);
    }

    /**
     * Validate that an attribute is an integer.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateInteger($attribute, $value)
    {
        return filter_var($value, FILTER_VALIDATE_INT) !== false;
    }

    /**
     * Validate that an attribute is a valid IP.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateIp($attribute, $value)
    {
        return filter_var($value, FILTER_VALIDATE_IP) !== false;
    }

    /**
     * Validate that an attribute is a valid IPv4.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateIpv4($attribute, $value)
    {
        return filter_var($value, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== false;
    }

    /**
     * Validate that an attribute is a valid IPv6.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateIpv6($attribute, $value)
    {
        return filter_var($value, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) !== false;
    }

    /**
     * Validate that an attribute is a valid MAC address.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateMacAddress($attribute, $value)
    {
        return filter_var($value, FILTER_VALIDATE_MAC) !== false;
    }

    /**
     * Validate the attribute is a valid JSON string.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateJson($attribute, $value)
    {
        if (is_array($value) || is_null($value)) {
            return false;
        }

        if (! is_scalar($value) && ! method_exists($value, '__toString')) {
            return false;
        }

        if (function_exists('json_validate')) {
            return json_validate($value);
        }

        json_decode($value);

        return json_last_error() === JSON_ERROR_NONE;
    }

    /**
     * Validate the size of an attribute is less than or equal to a maximum value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateMax($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'max');

        if ($value instanceof UploadedFile && ! $value->isValid()) {
            return false;
        }

        return BigNumber::of($this->getSize($attribute, $value))->isLessThanOrEqualTo($this->trim($parameters[0]));
    }

    /**
     * Validate that an attribute has a maximum number of digits.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateMaxDigits($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'max_digits');

        $length = strlen((string) $value);

        return ! preg_match('/[^0-9]/', $value) && $length <= $parameters[0];
    }

    /**
     * Validate the guessed extension of a file upload is in a set of file extensions.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateMimes($attribute, $value, $parameters)
    {
        if (! $this->isValidFileInstance($value)) {
            return false;
        }

        if ($this->shouldBlockPhpUpload($value, $parameters)) {
            return false;
        }

        if (in_array('jpg', $parameters) || in_array('jpeg', $parameters)) {
            $parameters = array_unique(array_merge($parameters, ['jpg', 'jpeg']));
        }

        return $value->getPath() !== '' && in_array($value->guessExtension(), $parameters);
    }

    /**
     * Validate the MIME type of a file upload attribute is in a set of MIME types.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateMimetypes($attribute, $value, $parameters)
    {
        if (! $this->isValidFileInstance($value)) {
            return false;
        }

        if ($this->shouldBlockPhpUpload($value, $parameters)) {
            return false;
        }

        return $value->getPath() !== '' &&
                (in_array($value->getMimeType(), $parameters) ||
                 in_array(explode('/', $value->getMimeType())[0].'/*', $parameters));
    }

    /**
     * Check if PHP uploads are explicitly allowed.
     *
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    protected function shouldBlockPhpUpload($value, $parameters)
    {
        if (in_array('php', $parameters)) {
            return false;
        }

        $phpExtensions = [
            'php', 'php3', 'php4', 'php5', 'php7', 'php8', 'phtml', 'phar',
        ];

        return ($value instanceof UploadedFile)
           ? in_array(trim(strtolower($value->getClientOriginalExtension())), $phpExtensions)
           : in_array(trim(strtolower($value->getExtension())), $phpExtensions);
    }

    /**
     * Validate the size of an attribute is greater than or equal to a minimum value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateMin($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'min');

        return BigNumber::of($this->getSize($attribute, $value))->isGreaterThanOrEqualTo($this->trim($parameters[0]));
    }

    /**
     * Validate that an attribute has a minimum number of digits.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateMinDigits($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'min_digits');

        $length = strlen((string) $value);

        return ! preg_match('/[^0-9]/', $value) && $length >= $parameters[0];
    }

    /**
     * Validate that an attribute is missing.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateMissing($attribute, $value, $parameters)
    {
        return ! Arr::has($this->data, $attribute);
    }

    /**
     * Validate that an attribute is missing when another attribute has a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateMissingIf($attribute, $value, $parameters)
    {
        $this->requireParameterCount(2, $parameters, 'missing_if');

        [$values, $other] = $this->parseDependentRuleParameters($parameters);

        if (in_array($other, $values, is_bool($other) || is_null($other))) {
            return $this->validateMissing($attribute, $value, $parameters);
        }

        return true;
    }

    /**
     * Validate that an attribute is missing unless another attribute has a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateMissingUnless($attribute, $value, $parameters)
    {
        $this->requireParameterCount(2, $parameters, 'missing_unless');

        [$values, $other] = $this->parseDependentRuleParameters($parameters);

        if (! in_array($other, $values, is_bool($other) || is_null($other))) {
            return $this->validateMissing($attribute, $value, $parameters);
        }

        return true;
    }

    /**
     * Validate that an attribute is missing when any given attribute is present.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateMissingWith($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'missing_with');

        if (Arr::hasAny($this->data, $parameters)) {
            return $this->validateMissing($attribute, $value, $parameters);
        }

        return true;
    }

    /**
     * Validate that an attribute is missing when all given attributes are present.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateMissingWithAll($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'missing_with_all');

        if (Arr::has($this->data, $parameters)) {
            return $this->validateMissing($attribute, $value, $parameters);
        }

        return true;
    }

    /**
     * Validate the value of an attribute is a multiple of a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateMultipleOf($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'multiple_of');

        if (! $this->validateNumeric($attribute, $value) || ! $this->validateNumeric($attribute, $parameters[0])) {
            return false;
        }

        try {
            $numerator = BigDecimal::of($this->trim($value));
            $denominator = BigDecimal::of($this->trim($parameters[0]));

            if ($numerator->isZero() && $denominator->isZero()) {
                return false;
            }

            if ($numerator->isZero()) {
                return true;
            }

            if ($denominator->isZero()) {
                return false;
            }

            return $numerator->remainder($denominator)->isZero();
        } catch (BrickMathException $e) {
            throw new MathException('An error occurred while handling the multiple_of input values.', previous: $e);
        }
    }

    /**
     * "Indicate" validation should pass if value is null.
     *
     * Always returns true, just lets us put "nullable" in rules.
     *
     * @return bool
     */
    public function validateNullable()
    {
        return true;
    }

    /**
     * Validate an attribute is not contained within a list of values.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateNotIn($attribute, $value, $parameters)
    {
        return ! $this->validateIn($attribute, $value, $parameters);
    }

    /**
     * Validate that an attribute is numeric.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateNumeric($attribute, $value)
    {
        return is_numeric($value);
    }

    /**
     * Validate that an attribute exists even if not filled.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validatePresent($attribute, $value)
    {
        return Arr::has($this->data, $attribute);
    }

    /**
     * Validate that an attribute is present when another attribute has a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validatePresentIf($attribute, $value, $parameters)
    {
        $this->requireParameterCount(2, $parameters, 'present_if');

        [$values, $other] = $this->parseDependentRuleParameters($parameters);

        if (in_array($other, $values, is_bool($other) || is_null($other))) {
            return $this->validatePresent($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that an attribute is present unless another attribute has a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validatePresentUnless($attribute, $value, $parameters)
    {
        $this->requireParameterCount(2, $parameters, 'present_unless');

        [$values, $other] = $this->parseDependentRuleParameters($parameters);

        if (! in_array($other, $values, is_bool($other) || is_null($other))) {
            return $this->validatePresent($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that an attribute is present when any given attribute is present.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validatePresentWith($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'present_with');

        if (Arr::hasAny($this->data, $parameters)) {
            return $this->validatePresent($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that an attribute is present when all given attributes are present.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validatePresentWithAll($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'present_with_all');

        if (Arr::has($this->data, $parameters)) {
            return $this->validatePresent($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that an attribute passes a regular expression check.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateRegex($attribute, $value, $parameters)
    {
        if (! is_string($value) && ! is_numeric($value)) {
            return false;
        }

        $this->requireParameterCount(1, $parameters, 'regex');

        return preg_match($parameters[0], $value) > 0;
    }

    /**
     * Validate that an attribute does not pass a regular expression check.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateNotRegex($attribute, $value, $parameters)
    {
        if (! is_string($value) && ! is_numeric($value)) {
            return false;
        }

        $this->requireParameterCount(1, $parameters, 'not_regex');

        return preg_match($parameters[0], $value) < 1;
    }

    /**
     * Validate that a required attribute exists.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateRequired($attribute, $value)
    {
        if (is_null($value)) {
            return false;
        } elseif (is_string($value) && trim($value) === '') {
            return false;
        } elseif (is_countable($value) && count($value) < 1) {
            return false;
        } elseif ($value instanceof File) {
            return (string) $value->getPath() !== '';
        }

        return true;
    }

    /**
     * Validate that an attribute exists when another attribute has a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateRequiredIf($attribute, $value, $parameters)
    {
        $this->requireParameterCount(2, $parameters, 'required_if');

        if (! Arr::has($this->data, $parameters[0])) {
            return true;
        }

        [$values, $other] = $this->parseDependentRuleParameters($parameters);

        if (in_array($other, $values, is_bool($other) || is_null($other))) {
            return $this->validateRequired($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that an attribute exists when another attribute was "accepted".
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateRequiredIfAccepted($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'required_if_accepted');

        if ($this->validateAccepted($parameters[0], $this->getValue($parameters[0]))) {
            return $this->validateRequired($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that an attribute exists when another attribute was "declined".
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateRequiredIfDeclined($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'required_if_declined');

        if ($this->validateDeclined($parameters[0], $this->getValue($parameters[0]))) {
            return $this->validateRequired($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that an attribute does not exist or is an empty string.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateProhibited($attribute, $value)
    {
        return ! $this->validateRequired($attribute, $value);
    }

    /**
     * Validate that an attribute does not exist when another attribute has a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateProhibitedIf($attribute, $value, $parameters)
    {
        $this->requireParameterCount(2, $parameters, 'prohibited_if');

        [$values, $other] = $this->parseDependentRuleParameters($parameters);

        if (in_array($other, $values, is_bool($other) || is_null($other))) {
            return ! $this->validateRequired($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that an attribute does not exist unless another attribute has a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateProhibitedUnless($attribute, $value, $parameters)
    {
        $this->requireParameterCount(2, $parameters, 'prohibited_unless');

        [$values, $other] = $this->parseDependentRuleParameters($parameters);

        if (! in_array($other, $values, is_bool($other) || is_null($other))) {
            return ! $this->validateRequired($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that other attributes do not exist when this attribute exists.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateProhibits($attribute, $value, $parameters)
    {
        if ($this->validateRequired($attribute, $value)) {
            foreach ($parameters as $parameter) {
                if ($this->validateRequired($parameter, Arr::get($this->data, $parameter))) {
                    return false;
                }
            }
        }

        return true;
    }

    /**
     * Indicate that an attribute is excluded.
     *
     * @return bool
     */
    public function validateExclude()
    {
        return false;
    }

    /**
     * Indicate that an attribute should be excluded when another attribute has a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateExcludeIf($attribute, $value, $parameters)
    {
        $this->requireParameterCount(2, $parameters, 'exclude_if');

        if (! Arr::has($this->data, $parameters[0])) {
            return true;
        }

        [$values, $other] = $this->parseDependentRuleParameters($parameters);

        return ! in_array($other, $values, is_bool($other) || is_null($other));
    }

    /**
     * Indicate that an attribute should be excluded when another attribute does not have a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateExcludeUnless($attribute, $value, $parameters)
    {
        $this->requireParameterCount(2, $parameters, 'exclude_unless');

        [$values, $other] = $this->parseDependentRuleParameters($parameters);

        return in_array($other, $values, is_bool($other) || is_null($other));
    }

    /**
     * Validate that an attribute exists when another attribute does not have a given value.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateRequiredUnless($attribute, $value, $parameters)
    {
        $this->requireParameterCount(2, $parameters, 'required_unless');

        [$values, $other] = $this->parseDependentRuleParameters($parameters);

        if (! in_array($other, $values, is_bool($other) || is_null($other))) {
            return $this->validateRequired($attribute, $value);
        }

        return true;
    }

    /**
     * Indicate that an attribute should be excluded when another attribute presents.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateExcludeWith($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'exclude_with');

        if (! Arr::has($this->data, $parameters[0])) {
            return true;
        }

        return false;
    }

    /**
     * Indicate that an attribute should be excluded when another attribute is missing.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateExcludeWithout($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'exclude_without');

        if ($this->anyFailingRequired($parameters)) {
            return false;
        }

        return true;
    }

    /**
     * Prepare the values and the other value for validation.
     *
     * @param  array<int, int|string>  $parameters
     * @return array
     */
    public function parseDependentRuleParameters($parameters)
    {
        $other = Arr::get($this->data, $parameters[0]);

        $values = array_slice($parameters, 1);

        if ($this->shouldConvertToBoolean($parameters[0]) || is_bool($other)) {
            $values = $this->convertValuesToBoolean($values);
        }

        if (is_null($other)) {
            $values = $this->convertValuesToNull($values);
        }

        return [$values, $other];
    }

    /**
     * Check if parameter should be converted to boolean.
     *
     * @param  string  $parameter
     * @return bool
     */
    protected function shouldConvertToBoolean($parameter)
    {
        return in_array('boolean', Arr::get($this->rules, $parameter, []));
    }

    /**
     * Convert the given values to boolean if they are string "true" / "false".
     *
     * @param  array  $values
     * @return array
     */
    protected function convertValuesToBoolean($values)
    {
        return array_map(function ($value) {
            if ($value === 'true') {
                return true;
            } elseif ($value === 'false') {
                return false;
            }

            return $value;
        }, $values);
    }

    /**
     * Convert the given values to null if they are string "null".
     *
     * @param  array  $values
     * @return array
     */
    protected function convertValuesToNull($values)
    {
        return array_map(function ($value) {
            return Str::lower($value) === 'null' ? null : $value;
        }, $values);
    }

    /**
     * Validate that an attribute exists when any other attribute exists.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateRequiredWith($attribute, $value, $parameters)
    {
        if (! $this->allFailingRequired($parameters)) {
            return $this->validateRequired($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that an attribute exists when all other attributes exist.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateRequiredWithAll($attribute, $value, $parameters)
    {
        if (! $this->anyFailingRequired($parameters)) {
            return $this->validateRequired($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that an attribute exists when another attribute does not.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateRequiredWithout($attribute, $value, $parameters)
    {
        if ($this->anyFailingRequired($parameters)) {
            return $this->validateRequired($attribute, $value);
        }

        return true;
    }

    /**
     * Validate that an attribute exists when all other attributes do not.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @return bool
     */
    public function validateRequiredWithoutAll($attribute, $value, $parameters)
    {
        if ($this->allFailingRequired($parameters)) {
            return $this->validateRequired($attribute, $value);
        }

        return true;
    }

    /**
     * Determine if any of the given attributes fail the required test.
     *
     * @param  array  $attributes
     * @return bool
     */
    protected function anyFailingRequired(array $attributes)
    {
        foreach ($attributes as $key) {
            if (! $this->validateRequired($key, $this->getValue($key))) {
                return true;
            }
        }

        return false;
    }

    /**
     * Determine if all of the given attributes fail the required test.
     *
     * @param  array  $attributes
     * @return bool
     */
    protected function allFailingRequired(array $attributes)
    {
        foreach ($attributes as $key) {
            if ($this->validateRequired($key, $this->getValue($key))) {
                return false;
            }
        }

        return true;
    }

    /**
     * Validate that two attributes match.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateSame($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'same');

        $other = Arr::get($this->data, $parameters[0]);

        return $value === $other;
    }

    /**
     * Validate the size of an attribute.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateSize($attribute, $value, $parameters)
    {
        $this->requireParameterCount(1, $parameters, 'size');

        return BigNumber::of($this->getSize($attribute, $value))->isEqualTo($this->trim($parameters[0]));
    }

    /**
     * "Validate" optional attributes.
     *
     * Always returns true, just lets us put sometimes in rules.
     *
     * @return bool
     */
    public function validateSometimes()
    {
        return true;
    }

    /**
     * Validate the attribute starts with a given substring.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateStartsWith($attribute, $value, $parameters)
    {
        return Str::startsWith($value, $parameters);
    }

    /**
     * Validate the attribute does not start with a given substring.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateDoesntStartWith($attribute, $value, $parameters)
    {
        return ! Str::startsWith($value, $parameters);
    }

    /**
     * Validate the attribute ends with a given substring.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateEndsWith($attribute, $value, $parameters)
    {
        return Str::endsWith($value, $parameters);
    }

    /**
     * Validate the attribute does not end with a given substring.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, int|string>  $parameters
     * @return bool
     */
    public function validateDoesntEndWith($attribute, $value, $parameters)
    {
        return ! Str::endsWith($value, $parameters);
    }

    /**
     * Validate that an attribute is a string.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateString($attribute, $value)
    {
        return is_string($value);
    }

    /**
     * Validate that an attribute is a valid timezone.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<string, null|string>  $parameters
     * @return bool
     */
    public function validateTimezone($attribute, $value, $parameters = [])
    {
        return in_array($value, timezone_identifiers_list(
            constant(DateTimeZone::class.'::'.Str::upper($parameters[0] ?? 'ALL')),
            isset($parameters[1]) ? Str::upper($parameters[1]) : null,
        ), true);
    }

    /**
     * Validate that an attribute is a valid URL.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  array<int, string>  $parameters
     * @return bool
     */
    public function validateUrl($attribute, $value, $parameters = [])
    {
        return Str::isUrl($value, $parameters);
    }

    /**
     * Validate that an attribute is a valid ULID.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateUlid($attribute, $value)
    {
        return Str::isUlid($value);
    }

    /**
     * Validate that an attribute is a valid UUID.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function validateUuid($attribute, $value)
    {
        return Str::isUuid($value);
    }

    /**
     * Get the size of an attribute.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return int|float|string
     */
    protected function getSize($attribute, $value)
    {
        $hasNumeric = $this->hasRule($attribute, $this->numericRules);

        // This method will determine if the attribute is a number, string, or file and
        // return the proper size accordingly. If it is a number, then number itself
        // is the size. If it is a file, we take kilobytes, and for a string the
        // entire length of the string will be considered the attribute size.
        if (is_numeric($value) && $hasNumeric) {
            return $this->ensureExponentWithinAllowedRange($attribute, $this->trim($value));
        } elseif (is_array($value)) {
            return count($value);
        } elseif ($value instanceof File) {
            return $value->getSize() / 1024;
        }

        return mb_strlen($value ?? '');
    }

    /**
     * Check that the given value is a valid file instance.
     *
     * @param  mixed  $value
     * @return bool
     */
    public function isValidFileInstance($value)
    {
        if ($value instanceof UploadedFile && ! $value->isValid()) {
            return false;
        }

        return $value instanceof File;
    }

    /**
     * Determine if a comparison passes between the given values.
     *
     * @param  mixed  $first
     * @param  mixed  $second
     * @param  string  $operator
     * @return bool
     *
     * @throws \InvalidArgumentException
     */
    protected function compare($first, $second, $operator)
    {
        return match ($operator) {
            '<' => $first < $second,
            '>' => $first > $second,
            '<=' => $first <= $second,
            '>=' => $first >= $second,
            '=' => $first == $second,
            default => throw new InvalidArgumentException,
        };
    }

    /**
     * Parse named parameters to $key => $value items.
     *
     * @param  array<int, int|string>  $parameters
     * @return array
     */
    public function parseNamedParameters($parameters)
    {
        return array_reduce($parameters, function ($result, $item) {
            [$key, $value] = array_pad(explode('=', $item, 2), 2, null);

            $result[$key] = $value;

            return $result;
        });
    }

    /**
     * Require a certain number of parameters to be present.
     *
     * @param  int  $count
     * @param  array<int, int|string>  $parameters
     * @param  string  $rule
     * @return void
     *
     * @throws \InvalidArgumentException
     */
    public function requireParameterCount($count, $parameters, $rule)
    {
        if (count($parameters) < $count) {
            throw new InvalidArgumentException("Validation rule $rule requires at least $count parameters.");
        }
    }

    /**
     * Check if the parameters are of the same type.
     *
     * @param  mixed  $first
     * @param  mixed  $second
     * @return bool
     */
    protected function isSameType($first, $second)
    {
        return gettype($first) == gettype($second);
    }

    /**
     * Adds the existing rule to the numericRules array if the attribute's value is numeric.
     *
     * @param  string  $attribute
     * @param  string  $rule
     * @return void
     */
    protected function shouldBeNumeric($attribute, $rule)
    {
        if (is_numeric($this->getValue($attribute))) {
            $this->numericRules[] = $rule;
        }
    }

    /**
     * Trim the value if it is a string.
     *
     * @param  mixed  $value
     * @return mixed
     */
    protected function trim($value)
    {
        return is_string($value) ? trim($value) : $value;
    }

    /**
     * Ensure the exponent is within the allowed range.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return mixed
     */
    protected function ensureExponentWithinAllowedRange($attribute, $value)
    {
        $stringValue = (string) $value;

        if (! is_numeric($value) || ! Str::contains($stringValue, 'e', ignoreCase: true)) {
            return $value;
        }

        $scale = (int) (Str::contains($stringValue, 'e')
            ? Str::after($stringValue, 'e')
            : Str::after($stringValue, 'E'));

        $withinRange = (
            $this->ensureExponentWithinAllowedRangeUsing ?? fn ($scale) => $scale <= 1000 && $scale >= -1000
        )($scale, $attribute, $value);

        if (! $withinRange) {
            throw new MathException('Scientific notation exponent outside of allowed range.');
        }

        return $value;
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

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Blackball

Good old times

DOS Clock

BrainOut

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Atomizer

Mediabox