Total: 22
.NET Framework
Test
2021
Project Request
ASP.NET MVC • C# • SQL Server
Idea of the project: if someone wants to order a project development, here you can send an application.
Test
2020
ProjectC
ASP.NET MVC • C# • JSON • jQuery
JSON data processing.
Test
2020
Vehicle Maintenance
ASP.NET MVC • VB.NET • JSON
Idea of the project: if someone wants to order a project development, here you can send an application.
Test
2019
Movie Navigator
ASP.NET MVC • VB.NET
Request information about movie from IMDB.
Test
2018
Customers Exchange
ASP.NET MVC • C# • SQL Server
Automated teller machine emulation.
Test
2016
ATM
ASP.NET MVC • C#
Automated teller machine emulation.
.NET Core
Pet project
2022
Mail Daemon
.NET 9 • Console • JSON
Utility to send mails with customizable settings.
Custom
Code
2024
Buns of code
.NET Framework • C# • JavaScript
Code snippets from my projects, ready to use; tiny tests; code examples.
PHP
Test
2024
Mediabox
PHP 8 • Laravel 11 • Vue.js • Composer • SQLite
Test project for media files management.
Test
2020
Loan Castle
PHP • MariaDB
Jums jāizstrādā kāda lielāk projekta prototips. Izstrādājot prototipu, paturiet prātā, ka projektam attīstoties, šo prototipu varētu vajadzēt pilnveidot.
Test
2020
Content Management
PHP • MySQL • AJAX
Создать простой сайт, где будет страница с формой для авторизации и страница для авторизованного пользователя.
Test
2019
Laravel
PHP • Laravel • Vue.js • Composer • SQLite
Izveidot aplikāciju, kura ik pēc noteikta intervāla (60 sekundes) veic ierakstu datubāzē izmantojot Laravel freimworka iebūvēto funkcionalitāti.
Test
2019
Phone Check
PHP • JavaScript • JSON • Docker
Implement application to detect country by phone number.
Frontend
Test
2021
Forex Wall
npm • React
For this exercise, what we need is a simple live wall for tracking currencies.
Business projects
Commercial
2008
Certification Center
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • SQL Server • ADO.NET • Dapper • JavaScript • jQuery • Git
Transport registration and certification services in Latvia, Customer Relationship Management.
Commercial
2000
Amerikas Auto
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • SQL Server • ADO.NET • Entity Framework • JavaScript • jQuery • Git
Car service and spare parts for all USA and European car models, Customer Relationship Management.
Pet projects
Pet project
2023
Geolocation Assistant
.NET 8 • ASP.NET Core • C# • Web API • JSON • Git
Website for determining geolocation by IP or geotagged photo.
Pet project
2008
Web Dynamics
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • Web API • JSON • SQL Server • Dapper • JavaScript • jQuery • SVG • Git
Software development blog. Articles, books, videos, content management.
Pet project
2000
Blackball
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • Web API • JSON • XML • SQL Server • Dapper • JavaScript • jQuery • SVG • Git
My entertainment portal created from scratch.
Good old times
Legacy
2000
DOS Clock
Turbo Pascal • Assembler
Digital clock.
Legacy
2000
BrainOut
Turbo Pascal • Assembler
Tank battle game.
Legacy
1999
Airport Administrator
Turbo Pascal
Курсовая работа в институте.
Legacy
1998
Atomizer
Turbo Pascal • Assembler
Atomizer, aka «Studio2D». Graphic raster editor. AGI is my own «Atomizer Generated Image» file format.
Laravel
2019 TestIzveidot aplikāciju, kura ik pēc noteikta intervāla (60 sekundes) veic ierakstu datubāzē izmantojot Laravel freimworka iebūvēto funkcionalitāti.
PHP
Laravel
Vue.js
Composer
SQLite
Source code
<?php
namespace Illuminate\Support;
use stdClass;
use Countable;
use Exception;
use ArrayAccess;
use Traversable;
use ArrayIterator;
use CachingIterator;
use JsonSerializable;
use IteratorAggregate;
use Illuminate\Support\Traits\Macroable;
use Illuminate\Contracts\Support\Jsonable;
use Symfony\Component\VarDumper\VarDumper;
use Illuminate\Contracts\Support\Arrayable;
/**
* @property-read HigherOrderCollectionProxy $average
* @property-read HigherOrderCollectionProxy $avg
* @property-read HigherOrderCollectionProxy $contains
* @property-read HigherOrderCollectionProxy $each
* @property-read HigherOrderCollectionProxy $every
* @property-read HigherOrderCollectionProxy $filter
* @property-read HigherOrderCollectionProxy $first
* @property-read HigherOrderCollectionProxy $flatMap
* @property-read HigherOrderCollectionProxy $groupBy
* @property-read HigherOrderCollectionProxy $keyBy
* @property-read HigherOrderCollectionProxy $map
* @property-read HigherOrderCollectionProxy $max
* @property-read HigherOrderCollectionProxy $min
* @property-read HigherOrderCollectionProxy $partition
* @property-read HigherOrderCollectionProxy $reject
* @property-read HigherOrderCollectionProxy $sortBy
* @property-read HigherOrderCollectionProxy $sortByDesc
* @property-read HigherOrderCollectionProxy $sum
* @property-read HigherOrderCollectionProxy $unique
*/
class Collection implements ArrayAccess, Arrayable, Countable, IteratorAggregate, Jsonable, JsonSerializable
{
use Macroable;
/**
* The items contained in the collection.
*
* @var array
*/
protected $items = [];
/**
* The methods that can be proxied.
*
* @var array
*/
protected static $proxies = [
'average', 'avg', 'contains', 'each', 'every', 'filter', 'first',
'flatMap', 'groupBy', 'keyBy', 'map', 'max', 'min', 'partition',
'reject', 'some', 'sortBy', 'sortByDesc', 'sum', 'unique',
];
/**
* Create a new collection.
*
* @param mixed $items
* @return void
*/
public function __construct($items = [])
{
$this->items = $this->getArrayableItems($items);
}
/**
* Create a new collection instance if the value isn't one already.
*
* @param mixed $items
* @return static
*/
public static function make($items = [])
{
return new static($items);
}
/**
* Wrap the given value in a collection if applicable.
*
* @param mixed $value
* @return static
*/
public static function wrap($value)
{
return $value instanceof self
? new static($value)
: new static(Arr::wrap($value));
}
/**
* Get the underlying items from the given collection if applicable.
*
* @param array|static $value
* @return array
*/
public static function unwrap($value)
{
return $value instanceof self ? $value->all() : $value;
}
/**
* Create a new collection by invoking the callback a given amount of times.
*
* @param int $number
* @param callable $callback
* @return static
*/
public static function times($number, callable $callback = null)
{
if ($number < 1) {
return new static;
}
if (is_null($callback)) {
return new static(range(1, $number));
}
return (new static(range(1, $number)))->map($callback);
}
/**
* Get all of the items in the collection.
*
* @return array
*/
public function all()
{
return $this->items;
}
/**
* Get the average value of a given key.
*
* @param callable|string|null $callback
* @return mixed
*/
public function avg($callback = null)
{
$callback = $this->valueRetriever($callback);
$items = $this->map(function ($value) use ($callback) {
return $callback($value);
})->filter(function ($value) {
return ! is_null($value);
});
if ($count = $items->count()) {
return $items->sum() / $count;
}
}
/**
* Alias for the "avg" method.
*
* @param callable|string|null $callback
* @return mixed
*/
public function average($callback = null)
{
return $this->avg($callback);
}
/**
* Get the median of a given key.
*
* @param string|array|null $key
* @return mixed
*/
public function median($key = null)
{
$values = (isset($key) ? $this->pluck($key) : $this)
->filter(function ($item) {
return ! is_null($item);
})->sort()->values();
$count = $values->count();
if ($count === 0) {
return;
}
$middle = (int) ($count / 2);
if ($count % 2) {
return $values->get($middle);
}
return (new static([
$values->get($middle - 1), $values->get($middle),
]))->average();
}
/**
* Get the mode of a given key.
*
* @param string|array|null $key
* @return array|null
*/
public function mode($key = null)
{
if ($this->count() === 0) {
return;
}
$collection = isset($key) ? $this->pluck($key) : $this;
$counts = new self;
$collection->each(function ($value) use ($counts) {
$counts[$value] = isset($counts[$value]) ? $counts[$value] + 1 : 1;
});
$sorted = $counts->sort();
$highestValue = $sorted->last();
return $sorted->filter(function ($value) use ($highestValue) {
return $value == $highestValue;
})->sort()->keys()->all();
}
/**
* Collapse the collection of items into a single array.
*
* @return static
*/
public function collapse()
{
return new static(Arr::collapse($this->items));
}
/**
* Alias for the "contains" method.
*
* @param mixed $key
* @param mixed $operator
* @param mixed $value
* @return bool
*/
public function some($key, $operator = null, $value = null)
{
return $this->contains(...func_get_args());
}
/**
* Determine if an item exists in the collection.
*
* @param mixed $key
* @param mixed $operator
* @param mixed $value
* @return bool
*/
public function contains($key, $operator = null, $value = null)
{
if (func_num_args() === 1) {
if ($this->useAsCallable($key)) {
$placeholder = new stdClass;
return $this->first($key, $placeholder) !== $placeholder;
}
return in_array($key, $this->items);
}
return $this->contains($this->operatorForWhere(...func_get_args()));
}
/**
* Determine if an item exists in the collection using strict comparison.
*
* @param mixed $key
* @param mixed $value
* @return bool
*/
public function containsStrict($key, $value = null)
{
if (func_num_args() === 2) {
return $this->contains(function ($item) use ($key, $value) {
return data_get($item, $key) === $value;
});
}
if ($this->useAsCallable($key)) {
return ! is_null($this->first($key));
}
return in_array($key, $this->items, true);
}
/**
* Cross join with the given lists, returning all possible permutations.
*
* @param mixed ...$lists
* @return static
*/
public function crossJoin(...$lists)
{
return new static(Arr::crossJoin(
$this->items, ...array_map([$this, 'getArrayableItems'], $lists)
));
}
/**
* Dump the collection and end the script.
*
* @param mixed ...$args
* @return void
*/
public function dd(...$args)
{
call_user_func_array([$this, 'dump'], $args);
die(1);
}
/**
* Dump the collection.
*
* @return $this
*/
public function dump()
{
(new static(func_get_args()))
->push($this)
->each(function ($item) {
VarDumper::dump($item);
});
return $this;
}
/**
* Get the items in the collection that are not present in the given items.
*
* @param mixed $items
* @return static
*/
public function diff($items)
{
return new static(array_diff($this->items, $this->getArrayableItems($items)));
}
/**
* Get the items in the collection that are not present in the given items.
*
* @param mixed $items
* @param callable $callback
* @return static
*/
public function diffUsing($items, callable $callback)
{
return new static(array_udiff($this->items, $this->getArrayableItems($items), $callback));
}
/**
* Get the items in the collection whose keys and values are not present in the given items.
*
* @param mixed $items
* @return static
*/
public function diffAssoc($items)
{
return new static(array_diff_assoc($this->items, $this->getArrayableItems($items)));
}
/**
* Get the items in the collection whose keys and values are not present in the given items.
*
* @param mixed $items
* @param callable $callback
* @return static
*/
public function diffAssocUsing($items, callable $callback)
{
return new static(array_diff_uassoc($this->items, $this->getArrayableItems($items), $callback));
}
/**
* Get the items in the collection whose keys are not present in the given items.
*
* @param mixed $items
* @return static
*/
public function diffKeys($items)
{
return new static(array_diff_key($this->items, $this->getArrayableItems($items)));
}
/**
* Get the items in the collection whose keys are not present in the given items.
*
* @param mixed $items
* @param callable $callback
* @return static
*/
public function diffKeysUsing($items, callable $callback)
{
return new static(array_diff_ukey($this->items, $this->getArrayableItems($items), $callback));
}
/**
* Retrieve duplicate items from the collection.
*
* @param callable|null $callback
* @param bool $strict
* @return static
*/
public function duplicates($callback = null, $strict = false)
{
$items = $this->map($this->valueRetriever($callback));
$uniqueItems = $items->unique(null, $strict);
$compare = $this->duplicateComparator($strict);
$duplicates = new static;
foreach ($items as $key => $value) {
if ($uniqueItems->isNotEmpty() && $compare($value, $uniqueItems->first())) {
$uniqueItems->shift();
} else {
$duplicates[$key] = $value;
}
}
return $duplicates;
}
/**
* Retrieve duplicate items from the collection using strict comparison.
*
* @param callable|null $callback
* @return static
*/
public function duplicatesStrict($callback = null)
{
return $this->duplicates($callback, true);
}
/**
* Get the comparison function to detect duplicates.
*
* @param bool $strict
* @return \Closure
*/
protected function duplicateComparator($strict)
{
if ($strict) {
return function ($a, $b) {
return $a === $b;
};
}
return function ($a, $b) {
return $a == $b;
};
}
/**
* Execute a callback over each item.
*
* @param callable $callback
* @return $this
*/
public function each(callable $callback)
{
foreach ($this->items as $key => $item) {
if ($callback($item, $key) === false) {
break;
}
}
return $this;
}
/**
* Execute a callback over each nested chunk of items.
*
* @param callable $callback
* @return static
*/
public function eachSpread(callable $callback)
{
return $this->each(function ($chunk, $key) use ($callback) {
$chunk[] = $key;
return $callback(...$chunk);
});
}
/**
* Determine if all items in the collection pass the given test.
*
* @param string|callable $key
* @param mixed $operator
* @param mixed $value
* @return bool
*/
public function every($key, $operator = null, $value = null)
{
if (func_num_args() === 1) {
$callback = $this->valueRetriever($key);
foreach ($this->items as $k => $v) {
if (! $callback($v, $k)) {
return false;
}
}
return true;
}
return $this->every($this->operatorForWhere(...func_get_args()));
}
/**
* Get all items except for those with the specified keys.
*
* @param \Illuminate\Support\Collection|mixed $keys
* @return static
*/
public function except($keys)
{
if ($keys instanceof self) {
$keys = $keys->all();
} elseif (! is_array($keys)) {
$keys = func_get_args();
}
return new static(Arr::except($this->items, $keys));
}
/**
* Run a filter over each of the items.
*
* @param callable|null $callback
* @return static
*/
public function filter(callable $callback = null)
{
if ($callback) {
return new static(Arr::where($this->items, $callback));
}
return new static(array_filter($this->items));
}
/**
* Apply the callback if the value is truthy.
*
* @param bool $value
* @param callable $callback
* @param callable $default
* @return static|mixed
*/
public function when($value, callable $callback, callable $default = null)
{
if ($value) {
return $callback($this, $value);
} elseif ($default) {
return $default($this, $value);
}
return $this;
}
/**
* Apply the callback if the collection is empty.
*
* @param callable $callback
* @param callable $default
* @return static|mixed
*/
public function whenEmpty(callable $callback, callable $default = null)
{
return $this->when($this->isEmpty(), $callback, $default);
}
/**
* Apply the callback if the collection is not empty.
*
* @param callable $callback
* @param callable $default
* @return static|mixed
*/
public function whenNotEmpty(callable $callback, callable $default = null)
{
return $this->when($this->isNotEmpty(), $callback, $default);
}
/**
* Apply the callback if the value is falsy.
*
* @param bool $value
* @param callable $callback
* @param callable $default
* @return static|mixed
*/
public function unless($value, callable $callback, callable $default = null)
{
return $this->when(! $value, $callback, $default);
}
/**
* Apply the callback unless the collection is empty.
*
* @param callable $callback
* @param callable $default
* @return static|mixed
*/
public function unlessEmpty(callable $callback, callable $default = null)
{
return $this->whenNotEmpty($callback, $default);
}
/**
* Apply the callback unless the collection is not empty.
*
* @param callable $callback
* @param callable $default
* @return static|mixed
*/
public function unlessNotEmpty(callable $callback, callable $default = null)
{
return $this->whenEmpty($callback, $default);
}
/**
* Filter items by the given key value pair.
*
* @param string $key
* @param mixed $operator
* @param mixed $value
* @return static
*/
public function where($key, $operator = null, $value = null)
{
return $this->filter($this->operatorForWhere(...func_get_args()));
}
/**
* Get an operator checker callback.
*
* @param string $key
* @param string $operator
* @param mixed $value
* @return \Closure
*/
protected function operatorForWhere($key, $operator = null, $value = null)
{
if (func_num_args() === 1) {
$value = true;
$operator = '=';
}
if (func_num_args() === 2) {
$value = $operator;
$operator = '=';
}
return function ($item) use ($key, $operator, $value) {
$retrieved = data_get($item, $key);
$strings = array_filter([$retrieved, $value], function ($value) {
return is_string($value) || (is_object($value) && method_exists($value, '__toString'));
});
if (count($strings) < 2 && count(array_filter([$retrieved, $value], 'is_object')) == 1) {
return in_array($operator, ['!=', '<>', '!==']);
}
switch ($operator) {
default:
case '=':
case '==': return $retrieved == $value;
case '!=':
case '<>': return $retrieved != $value;
case '<': return $retrieved < $value;
case '>': return $retrieved > $value;
case '<=': return $retrieved <= $value;
case '>=': return $retrieved >= $value;
case '===': return $retrieved === $value;
case '!==': return $retrieved !== $value;
}
};
}
/**
* Filter items by the given key value pair using strict comparison.
*
* @param string $key
* @param mixed $value
* @return static
*/
public function whereStrict($key, $value)
{
return $this->where($key, '===', $value);
}
/**
* Filter items by the given key value pair.
*
* @param string $key
* @param mixed $values
* @param bool $strict
* @return static
*/
public function whereIn($key, $values, $strict = false)
{
$values = $this->getArrayableItems($values);
return $this->filter(function ($item) use ($key, $values, $strict) {
return in_array(data_get($item, $key), $values, $strict);
});
}
/**
* Filter items by the given key value pair using strict comparison.
*
* @param string $key
* @param mixed $values
* @return static
*/
public function whereInStrict($key, $values)
{
return $this->whereIn($key, $values, true);
}
/**
* Filter items such that the value of the given key is between the given values.
*
* @param string $key
* @param array $values
* @return static
*/
public function whereBetween($key, $values)
{
return $this->where($key, '>=', reset($values))->where($key, '<=', end($values));
}
/**
* Filter items such that the value of the given key is not between the given values.
*
* @param string $key
* @param array $values
* @return static
*/
public function whereNotBetween($key, $values)
{
return $this->filter(function ($item) use ($key, $values) {
return data_get($item, $key) < reset($values) || data_get($item, $key) > end($values);
});
}
/**
* Filter items by the given key value pair.
*
* @param string $key
* @param mixed $values
* @param bool $strict
* @return static
*/
public function whereNotIn($key, $values, $strict = false)
{
$values = $this->getArrayableItems($values);
return $this->reject(function ($item) use ($key, $values, $strict) {
return in_array(data_get($item, $key), $values, $strict);
});
}
/**
* Filter items by the given key value pair using strict comparison.
*
* @param string $key
* @param mixed $values
* @return static
*/
public function whereNotInStrict($key, $values)
{
return $this->whereNotIn($key, $values, true);
}
/**
* Filter the items, removing any items that don't match the given type.
*
* @param string $type
* @return static
*/
public function whereInstanceOf($type)
{
return $this->filter(function ($value) use ($type) {
return $value instanceof $type;
});
}
/**
* Get the first item from the collection passing the given truth test.
*
* @param callable|null $callback
* @param mixed $default
* @return mixed
*/
public function first(callable $callback = null, $default = null)
{
return Arr::first($this->items, $callback, $default);
}
/**
* Get the first item by the given key value pair.
*
* @param string $key
* @param mixed $operator
* @param mixed $value
* @return mixed
*/
public function firstWhere($key, $operator = null, $value = null)
{
return $this->first($this->operatorForWhere(...func_get_args()));
}
/**
* Get a flattened array of the items in the collection.
*
* @param int $depth
* @return static
*/
public function flatten($depth = INF)
{
return new static(Arr::flatten($this->items, $depth));
}
/**
* Flip the items in the collection.
*
* @return static
*/
public function flip()
{
return new static(array_flip($this->items));
}
/**
* Remove an item from the collection by key.
*
* @param string|array $keys
* @return $this
*/
public function forget($keys)
{
foreach ((array) $keys as $key) {
$this->offsetUnset($key);
}
return $this;
}
/**
* Get an item from the collection by key.
*
* @param mixed $key
* @param mixed $default
* @return mixed
*/
public function get($key, $default = null)
{
if ($this->offsetExists($key)) {
return $this->items[$key];
}
return value($default);
}
/**
* Group an associative array by a field or using a callback.
*
* @param array|callable|string $groupBy
* @param bool $preserveKeys
* @return static
*/
public function groupBy($groupBy, $preserveKeys = false)
{
if (is_array($groupBy)) {
$nextGroups = $groupBy;
$groupBy = array_shift($nextGroups);
}
$groupBy = $this->valueRetriever($groupBy);
$results = [];
foreach ($this->items as $key => $value) {
$groupKeys = $groupBy($value, $key);
if (! is_array($groupKeys)) {
$groupKeys = [$groupKeys];
}
foreach ($groupKeys as $groupKey) {
$groupKey = is_bool($groupKey) ? (int) $groupKey : $groupKey;
if (! array_key_exists($groupKey, $results)) {
$results[$groupKey] = new static;
}
$results[$groupKey]->offsetSet($preserveKeys ? $key : null, $value);
}
}
$result = new static($results);
if (! empty($nextGroups)) {
return $result->map->groupBy($nextGroups, $preserveKeys);
}
return $result;
}
/**
* Key an associative array by a field or using a callback.
*
* @param callable|string $keyBy
* @return static
*/
public function keyBy($keyBy)
{
$keyBy = $this->valueRetriever($keyBy);
$results = [];
foreach ($this->items as $key => $item) {
$resolvedKey = $keyBy($item, $key);
if (is_object($resolvedKey)) {
$resolvedKey = (string) $resolvedKey;
}
$results[$resolvedKey] = $item;
}
return new static($results);
}
/**
* Determine if an item exists in the collection by key.
*
* @param mixed $key
* @return bool
*/
public function has($key)
{
$keys = is_array($key) ? $key : func_get_args();
foreach ($keys as $value) {
if (! $this->offsetExists($value)) {
return false;
}
}
return true;
}
/**
* Concatenate values of a given key as a string.
*
* @param string $value
* @param string $glue
* @return string
*/
public function implode($value, $glue = null)
{
$first = $this->first();
if (is_array($first) || is_object($first)) {
return implode($glue, $this->pluck($value)->all());
}
return implode($value, $this->items);
}
/**
* Intersect the collection with the given items.
*
* @param mixed $items
* @return static
*/
public function intersect($items)
{
return new static(array_intersect($this->items, $this->getArrayableItems($items)));
}
/**
* Intersect the collection with the given items by key.
*
* @param mixed $items
* @return static
*/
public function intersectByKeys($items)
{
return new static(array_intersect_key(
$this->items, $this->getArrayableItems($items)
));
}
/**
* Determine if the collection is empty or not.
*
* @return bool
*/
public function isEmpty()
{
return empty($this->items);
}
/**
* Determine if the collection is not empty.
*
* @return bool
*/
public function isNotEmpty()
{
return ! $this->isEmpty();
}
/**
* Determine if the given value is callable, but not a string.
*
* @param mixed $value
* @return bool
*/
protected function useAsCallable($value)
{
return ! is_string($value) && is_callable($value);
}
/**
* Join all items from the collection using a string. The final items can use a separate glue string.
*
* @param string $glue
* @param string $finalGlue
* @return string
*/
public function join($glue, $finalGlue = '')
{
if ($finalGlue === '') {
return $this->implode($glue);
}
$count = $this->count();
if ($count === 0) {
return '';
}
if ($count === 1) {
return $this->last();
}
$collection = new static($this->items);
$finalItem = $collection->pop();
return $collection->implode($glue).$finalGlue.$finalItem;
}
/**
* Get the keys of the collection items.
*
* @return static
*/
public function keys()
{
return new static(array_keys($this->items));
}
/**
* Get the last item from the collection.
*
* @param callable|null $callback
* @param mixed $default
* @return mixed
*/
public function last(callable $callback = null, $default = null)
{
return Arr::last($this->items, $callback, $default);
}
/**
* Get the values of a given key.
*
* @param string|array $value
* @param string|null $key
* @return static
*/
public function pluck($value, $key = null)
{
return new static(Arr::pluck($this->items, $value, $key));
}
/**
* Run a map over each of the items.
*
* @param callable $callback
* @return static
*/
public function map(callable $callback)
{
$keys = array_keys($this->items);
$items = array_map($callback, $this->items, $keys);
return new static(array_combine($keys, $items));
}
/**
* Run a map over each nested chunk of items.
*
* @param callable $callback
* @return static
*/
public function mapSpread(callable $callback)
{
return $this->map(function ($chunk, $key) use ($callback) {
$chunk[] = $key;
return $callback(...$chunk);
});
}
/**
* Run a dictionary map over the items.
*
* The callback should return an associative array with a single key/value pair.
*
* @param callable $callback
* @return static
*/
public function mapToDictionary(callable $callback)
{
$dictionary = [];
foreach ($this->items as $key => $item) {
$pair = $callback($item, $key);
$key = key($pair);
$value = reset($pair);
if (! isset($dictionary[$key])) {
$dictionary[$key] = [];
}
$dictionary[$key][] = $value;
}
return new static($dictionary);
}
/**
* Run a grouping map over the items.
*
* The callback should return an associative array with a single key/value pair.
*
* @param callable $callback
* @return static
*/
public function mapToGroups(callable $callback)
{
$groups = $this->mapToDictionary($callback);
return $groups->map([$this, 'make']);
}
/**
* Run an associative map over each of the items.
*
* The callback should return an associative array with a single key/value pair.
*
* @param callable $callback
* @return static
*/
public function mapWithKeys(callable $callback)
{
$result = [];
foreach ($this->items as $key => $value) {
$assoc = $callback($value, $key);
foreach ($assoc as $mapKey => $mapValue) {
$result[$mapKey] = $mapValue;
}
}
return new static($result);
}
/**
* Map a collection and flatten the result by a single level.
*
* @param callable $callback
* @return static
*/
public function flatMap(callable $callback)
{
return $this->map($callback)->collapse();
}
/**
* Map the values into a new class.
*
* @param string $class
* @return static
*/
public function mapInto($class)
{
return $this->map(function ($value, $key) use ($class) {
return new $class($value, $key);
});
}
/**
* Get the max value of a given key.
*
* @param callable|string|null $callback
* @return mixed
*/
public function max($callback = null)
{
$callback = $this->valueRetriever($callback);
return $this->filter(function ($value) {
return ! is_null($value);
})->reduce(function ($result, $item) use ($callback) {
$value = $callback($item);
return is_null($result) || $value > $result ? $value : $result;
});
}
/**
* Merge the collection with the given items.
*
* @param mixed $items
* @return static
*/
public function merge($items)
{
return new static(array_merge($this->items, $this->getArrayableItems($items)));
}
/**
* Create a collection by using this collection for keys and another for its values.
*
* @param mixed $values
* @return static
*/
public function combine($values)
{
return new static(array_combine($this->all(), $this->getArrayableItems($values)));
}
/**
* Union the collection with the given items.
*
* @param mixed $items
* @return static
*/
public function union($items)
{
return new static($this->items + $this->getArrayableItems($items));
}
/**
* Get the min value of a given key.
*
* @param callable|string|null $callback
* @return mixed
*/
public function min($callback = null)
{
$callback = $this->valueRetriever($callback);
return $this->map(function ($value) use ($callback) {
return $callback($value);
})->filter(function ($value) {
return ! is_null($value);
})->reduce(function ($result, $value) {
return is_null($result) || $value < $result ? $value : $result;
});
}
/**
* Create a new collection consisting of every n-th element.
*
* @param int $step
* @param int $offset
* @return static
*/
public function nth($step, $offset = 0)
{
$new = [];
$position = 0;
foreach ($this->items as $item) {
if ($position % $step === $offset) {
$new[] = $item;
}
$position++;
}
return new static($new);
}
/**
* Get the items with the specified keys.
*
* @param mixed $keys
* @return static
*/
public function only($keys)
{
if (is_null($keys)) {
return new static($this->items);
}
if ($keys instanceof self) {
$keys = $keys->all();
}
$keys = is_array($keys) ? $keys : func_get_args();
return new static(Arr::only($this->items, $keys));
}
/**
* "Paginate" the collection by slicing it into a smaller collection.
*
* @param int $page
* @param int $perPage
* @return static
*/
public function forPage($page, $perPage)
{
$offset = max(0, ($page - 1) * $perPage);
return $this->slice($offset, $perPage);
}
/**
* Partition the collection into two arrays using the given callback or key.
*
* @param callable|string $key
* @param mixed $operator
* @param mixed $value
* @return static
*/
public function partition($key, $operator = null, $value = null)
{
$partitions = [new static, new static];
$callback = func_num_args() === 1
? $this->valueRetriever($key)
: $this->operatorForWhere(...func_get_args());
foreach ($this->items as $key => $item) {
$partitions[(int) ! $callback($item, $key)][$key] = $item;
}
return new static($partitions);
}
/**
* Pass the collection to the given callback and return the result.
*
* @param callable $callback
* @return mixed
*/
public function pipe(callable $callback)
{
return $callback($this);
}
/**
* Get and remove the last item from the collection.
*
* @return mixed
*/
public function pop()
{
return array_pop($this->items);
}
/**
* Push an item onto the beginning of the collection.
*
* @param mixed $value
* @param mixed $key
* @return $this
*/
public function prepend($value, $key = null)
{
$this->items = Arr::prepend($this->items, $value, $key);
return $this;
}
/**
* Push an item onto the end of the collection.
*
* @param mixed $value
* @return $this
*/
public function push($value)
{
$this->offsetSet(null, $value);
return $this;
}
/**
* Push all of the given items onto the collection.
*
* @param iterable $source
* @return static
*/
public function concat($source)
{
$result = new static($this);
foreach ($source as $item) {
$result->push($item);
}
return $result;
}
/**
* Get and remove an item from the collection.
*
* @param mixed $key
* @param mixed $default
* @return mixed
*/
public function pull($key, $default = null)
{
return Arr::pull($this->items, $key, $default);
}
/**
* Put an item in the collection by key.
*
* @param mixed $key
* @param mixed $value
* @return $this
*/
public function put($key, $value)
{
$this->offsetSet($key, $value);
return $this;
}
/**
* Get one or a specified number of items randomly from the collection.
*
* @param int|null $number
* @return static|mixed
*
* @throws \InvalidArgumentException
*/
public function random($number = null)
{
if (is_null($number)) {
return Arr::random($this->items);
}
return new static(Arr::random($this->items, $number));
}
/**
* Reduce the collection to a single value.
*
* @param callable $callback
* @param mixed $initial
* @return mixed
*/
public function reduce(callable $callback, $initial = null)
{
return array_reduce($this->items, $callback, $initial);
}
/**
* Create a collection of all elements that do not pass a given truth test.
*
* @param callable|mixed $callback
* @return static
*/
public function reject($callback = true)
{
$useAsCallable = $this->useAsCallable($callback);
return $this->filter(function ($value, $key) use ($callback, $useAsCallable) {
return $useAsCallable
? ! $callback($value, $key)
: $value != $callback;
});
}
/**
* Reverse items order.
*
* @return static
*/
public function reverse()
{
return new static(array_reverse($this->items, true));
}
/**
* Search the collection for a given value and return the corresponding key if successful.
*
* @param mixed $value
* @param bool $strict
* @return mixed
*/
public function search($value, $strict = false)
{
if (! $this->useAsCallable($value)) {
return array_search($value, $this->items, $strict);
}
foreach ($this->items as $key => $item) {
if (call_user_func($value, $item, $key)) {
return $key;
}
}
return false;
}
/**
* Get and remove the first item from the collection.
*
* @return mixed
*/
public function shift()
{
return array_shift($this->items);
}
/**
* Shuffle the items in the collection.
*
* @param int $seed
* @return static
*/
public function shuffle($seed = null)
{
return new static(Arr::shuffle($this->items, $seed));
}
/**
* Slice the underlying collection array.
*
* @param int $offset
* @param int $length
* @return static
*/
public function slice($offset, $length = null)
{
return new static(array_slice($this->items, $offset, $length, true));
}
/**
* Split a collection into a certain number of groups.
*
* @param int $numberOfGroups
* @return static
*/
public function split($numberOfGroups)
{
if ($this->isEmpty()) {
return new static;
}
$groups = new static;
$groupSize = floor($this->count() / $numberOfGroups);
$remain = $this->count() % $numberOfGroups;
$start = 0;
for ($i = 0; $i < $numberOfGroups; $i++) {
$size = $groupSize;
if ($i < $remain) {
$size++;
}
if ($size) {
$groups->push(new static(array_slice($this->items, $start, $size)));
$start += $size;
}
}
return $groups;
}
/**
* Chunk the underlying collection array.
*
* @param int $size
* @return static
*/
public function chunk($size)
{
if ($size <= 0) {
return new static;
}
$chunks = [];
foreach (array_chunk($this->items, $size, true) as $chunk) {
$chunks[] = new static($chunk);
}
return new static($chunks);
}
/**
* Sort through each item with a callback.
*
* @param callable|null $callback
* @return static
*/
public function sort(callable $callback = null)
{
$items = $this->items;
$callback
? uasort($items, $callback)
: asort($items);
return new static($items);
}
/**
* Sort the collection using the given callback.
*
* @param callable|string $callback
* @param int $options
* @param bool $descending
* @return static
*/
public function sortBy($callback, $options = SORT_REGULAR, $descending = false)
{
$results = [];
$callback = $this->valueRetriever($callback);
// First we will loop through the items and get the comparator from a callback
// function which we were given. Then, we will sort the returned values and
// and grab the corresponding values for the sorted keys from this array.
foreach ($this->items as $key => $value) {
$results[$key] = $callback($value, $key);
}
$descending ? arsort($results, $options)
: asort($results, $options);
// Once we have sorted all of the keys in the array, we will loop through them
// and grab the corresponding model so we can set the underlying items list
// to the sorted version. Then we'll just return the collection instance.
foreach (array_keys($results) as $key) {
$results[$key] = $this->items[$key];
}
return new static($results);
}
/**
* Sort the collection in descending order using the given callback.
*
* @param callable|string $callback
* @param int $options
* @return static
*/
public function sortByDesc($callback, $options = SORT_REGULAR)
{
return $this->sortBy($callback, $options, true);
}
/**
* Sort the collection keys.
*
* @param int $options
* @param bool $descending
* @return static
*/
public function sortKeys($options = SORT_REGULAR, $descending = false)
{
$items = $this->items;
$descending ? krsort($items, $options) : ksort($items, $options);
return new static($items);
}
/**
* Sort the collection keys in descending order.
*
* @param int $options
* @return static
*/
public function sortKeysDesc($options = SORT_REGULAR)
{
return $this->sortKeys($options, true);
}
/**
* Splice a portion of the underlying collection array.
*
* @param int $offset
* @param int|null $length
* @param mixed $replacement
* @return static
*/
public function splice($offset, $length = null, $replacement = [])
{
if (func_num_args() === 1) {
return new static(array_splice($this->items, $offset));
}
return new static(array_splice($this->items, $offset, $length, $replacement));
}
/**
* Get the sum of the given values.
*
* @param callable|string|null $callback
* @return mixed
*/
public function sum($callback = null)
{
if (is_null($callback)) {
return array_sum($this->items);
}
$callback = $this->valueRetriever($callback);
return $this->reduce(function ($result, $item) use ($callback) {
return $result + $callback($item);
}, 0);
}
/**
* Take the first or last {$limit} items.
*
* @param int $limit
* @return static
*/
public function take($limit)
{
if ($limit < 0) {
return $this->slice($limit, abs($limit));
}
return $this->slice(0, $limit);
}
/**
* Pass the collection to the given callback and then return it.
*
* @param callable $callback
* @return $this
*/
public function tap(callable $callback)
{
$callback(new static($this->items));
return $this;
}
/**
* Transform each item in the collection using a callback.
*
* @param callable $callback
* @return $this
*/
public function transform(callable $callback)
{
$this->items = $this->map($callback)->all();
return $this;
}
/**
* Return only unique items from the collection array.
*
* @param string|callable|null $key
* @param bool $strict
* @return static
*/
public function unique($key = null, $strict = false)
{
$callback = $this->valueRetriever($key);
$exists = [];
return $this->reject(function ($item, $key) use ($callback, $strict, &$exists) {
if (in_array($id = $callback($item, $key), $exists, $strict)) {
return true;
}
$exists[] = $id;
});
}
/**
* Return only unique items from the collection array using strict comparison.
*
* @param string|callable|null $key
* @return static
*/
public function uniqueStrict($key = null)
{
return $this->unique($key, true);
}
/**
* Reset the keys on the underlying array.
*
* @return static
*/
public function values()
{
return new static(array_values($this->items));
}
/**
* Get a value retrieving callback.
*
* @param callable|string|null $value
* @return callable
*/
protected function valueRetriever($value)
{
if ($this->useAsCallable($value)) {
return $value;
}
return function ($item) use ($value) {
return data_get($item, $value);
};
}
/**
* Zip the collection together with one or more arrays.
*
* e.g. new Collection([1, 2, 3])->zip([4, 5, 6]);
* => [[1, 4], [2, 5], [3, 6]]
*
* @param mixed ...$items
* @return static
*/
public function zip($items)
{
$arrayableItems = array_map(function ($items) {
return $this->getArrayableItems($items);
}, func_get_args());
$params = array_merge([function () {
return new static(func_get_args());
}, $this->items], $arrayableItems);
return new static(call_user_func_array('array_map', $params));
}
/**
* Pad collection to the specified length with a value.
*
* @param int $size
* @param mixed $value
* @return static
*/
public function pad($size, $value)
{
return new static(array_pad($this->items, $size, $value));
}
/**
* Get the collection of items as a plain array.
*
* @return array
*/
public function toArray()
{
return array_map(function ($value) {
return $value instanceof Arrayable ? $value->toArray() : $value;
}, $this->items);
}
/**
* Convert the object into something JSON serializable.
*
* @return array
*/
public function jsonSerialize()
{
return array_map(function ($value) {
if ($value instanceof JsonSerializable) {
return $value->jsonSerialize();
} elseif ($value instanceof Jsonable) {
return json_decode($value->toJson(), true);
} elseif ($value instanceof Arrayable) {
return $value->toArray();
}
return $value;
}, $this->items);
}
/**
* Get the collection of items as JSON.
*
* @param int $options
* @return string
*/
public function toJson($options = 0)
{
return json_encode($this->jsonSerialize(), $options);
}
/**
* Get an iterator for the items.
*
* @return \ArrayIterator
*/
public function getIterator()
{
return new ArrayIterator($this->items);
}
/**
* Get a CachingIterator instance.
*
* @param int $flags
* @return \CachingIterator
*/
public function getCachingIterator($flags = CachingIterator::CALL_TOSTRING)
{
return new CachingIterator($this->getIterator(), $flags);
}
/**
* Count the number of items in the collection.
*
* @return int
*/
public function count()
{
return count($this->items);
}
/**
* Count the number of items in the collection using a given truth test.
*
* @param callable|null $callback
* @return static
*/
public function countBy($callback = null)
{
if (is_null($callback)) {
$callback = function ($value) {
return $value;
};
}
return new static($this->groupBy($callback)->map(function ($value) {
return $value->count();
}));
}
/**
* Add an item to the collection.
*
* @param mixed $item
* @return $this
*/
public function add($item)
{
$this->items[] = $item;
return $this;
}
/**
* Get a base Support collection instance from this collection.
*
* @return \Illuminate\Support\Collection
*/
public function toBase()
{
return new self($this);
}
/**
* Determine if an item exists at an offset.
*
* @param mixed $key
* @return bool
*/
public function offsetExists($key)
{
return array_key_exists($key, $this->items);
}
/**
* Get an item at a given offset.
*
* @param mixed $key
* @return mixed
*/
public function offsetGet($key)
{
return $this->items[$key];
}
/**
* Set the item at a given offset.
*
* @param mixed $key
* @param mixed $value
* @return void
*/
public function offsetSet($key, $value)
{
if (is_null($key)) {
$this->items[] = $value;
} else {
$this->items[$key] = $value;
}
}
/**
* Unset the item at a given offset.
*
* @param string $key
* @return void
*/
public function offsetUnset($key)
{
unset($this->items[$key]);
}
/**
* Convert the collection to its string representation.
*
* @return string
*/
public function __toString()
{
return $this->toJson();
}
/**
* Results array of items from Collection or Arrayable.
*
* @param mixed $items
* @return array
*/
protected function getArrayableItems($items)
{
if (is_array($items)) {
return $items;
} elseif ($items instanceof self) {
return $items->all();
} elseif ($items instanceof Arrayable) {
return $items->toArray();
} elseif ($items instanceof Jsonable) {
return json_decode($items->toJson(), true);
} elseif ($items instanceof JsonSerializable) {
return $items->jsonSerialize();
} elseif ($items instanceof Traversable) {
return iterator_to_array($items);
}
return (array) $items;
}
/**
* Add a method to the list of proxied methods.
*
* @param string $method
* @return void
*/
public static function proxy($method)
{
static::$proxies[] = $method;
}
/**
* Dynamically access collection proxies.
*
* @param string $key
* @return mixed
*
* @throws \Exception
*/
public function __get($key)
{
if (! in_array($key, static::$proxies)) {
throw new Exception("Property [{$key}] does not exist on this collection instance.");
}
return new HigherOrderCollectionProxy($this, $key);
}
}