<?php declare(strict_types=1);
/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PHPUnit\Util\PHP;

use const PHP_BINARY;
use const PHP_SAPI;
use function array_keys;
use function array_merge;
use function assert;
use function fclose;
use function file_put_contents;
use function fwrite;
use function ini_get_all;
use function is_array;
use function is_resource;
use function proc_close;
use function proc_open;
use function stream_get_contents;
use function sys_get_temp_dir;
use function tempnam;
use function trim;
use function unlink;
use SebastianBergmann\Environment\Runtime;

/**
 * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
 *
 * @internal This class is not covered by the backward compatibility promise for PHPUnit
 */
final readonly class DefaultJobRunner implements JobRunner
{
    /**
     * @throws PhpProcessException
     */
    public function run(Job $job): Result
    {
        $temporaryFile = null;

        if ($job->hasInput()) {
            $temporaryFile = tempnam(sys_get_temp_dir(), 'phpunit_');

            if ($temporaryFile === false ||
                file_put_contents($temporaryFile, $job->code()) === false) {
                // @codeCoverageIgnoreStart
                throw new PhpProcessException(
                    'Unable to write temporary file',
                );
                // @codeCoverageIgnoreEnd
            }

            $job = new Job(
                $job->input(),
                $job->phpSettings(),
                $job->environmentVariables(),
                $job->arguments(),
                null,
                $job->redirectErrors(),
            );
        }

        assert($temporaryFile !== '');

        return $this->runProcess($job, $temporaryFile);
    }

    /**
     * @param ?non-empty-string $temporaryFile
     *
     * @throws PhpProcessException
     */
    private function runProcess(Job $job, ?string $temporaryFile): Result
    {
        $environmentVariables = null;

        if ($job->hasEnvironmentVariables()) {
            /** @phpstan-ignore nullCoalesce.variable */
            $environmentVariables = $_SERVER ?? [];

            unset($environmentVariables['argv'], $environmentVariables['argc']);

            $environmentVariables = array_merge($environmentVariables, $job->environmentVariables());

            foreach ($environmentVariables as $key => $value) {
                if (is_array($value)) {
                    unset($environmentVariables[$key]);
                }
            }

            unset($key, $value);

        }

        $pipeSpec = [
            0 => ['pipe', 'r'],
            1 => ['pipe', 'w'],
            2 => ['pipe', 'w'],
        ];

        if ($job->redirectErrors()) {
            $pipeSpec[2] = ['redirect', 1];
        }

        $process = proc_open(
            $this->buildCommand($job, $temporaryFile),
            $pipeSpec,
            $pipes,
            null,
            $environmentVariables,
        );

        if (!is_resource($process)) {
            // @codeCoverageIgnoreStart
            throw new PhpProcessException(
                'Unable to spawn worker process',
            );
            // @codeCoverageIgnoreEnd
        }

        fwrite($pipes[0], $job->code());
        fclose($pipes[0]);

        $stdout = '';
        $stderr = '';

        if (isset($pipes[1])) {
            $stdout = stream_get_contents($pipes[1]);

            fclose($pipes[1]);
        }

        if (isset($pipes[2])) {
            $stderr = stream_get_contents($pipes[2]);

            fclose($pipes[2]);
        }

        proc_close($process);

        if ($temporaryFile !== null) {
            unlink($temporaryFile);
        }

        assert($stdout !== false);
        assert($stderr !== false);

        return new Result($stdout, $stderr);
    }

    /**
     * @return non-empty-list<string>
     */
    private function buildCommand(Job $job, ?string $file): array
    {
        $runtime     = new Runtime;
        $command     = [PHP_BINARY];
        $phpSettings = $job->phpSettings();

        if ($runtime->hasPCOV()) {
            $pcovSettings = ini_get_all('pcov');

            assert($pcovSettings !== false);

            $phpSettings = array_merge(
                $phpSettings,
                $runtime->getCurrentSettings(
                    array_keys($pcovSettings),
                ),
            );
        } elseif ($runtime->hasXdebug()) {
            $xdebugSettings = ini_get_all('xdebug');

            assert($xdebugSettings !== false);

            $phpSettings = array_merge(
                $phpSettings,
                $runtime->getCurrentSettings(
                    array_keys($xdebugSettings),
                ),
            );
        }

        $command = array_merge($command, $this->settingsToParameters($phpSettings));

        if (PHP_SAPI === 'phpdbg') {
            $command[] = '-qrr';

            if ($file === null) {
                $command[] = 's=';
            }
        }

        if ($file !== null) {
            $command[] = '-f';
            $command[] = $file;
        }

        if ($job->hasArguments()) {
            if ($file === null) {
                $command[] = '--';
            }

            foreach ($job->arguments() as $argument) {
                $command[] = trim($argument);
            }
        }

        return $command;
    }

    /**
     * @param list<string> $settings
     *
     * @return list<string>
     */
    private function settingsToParameters(array $settings): array
    {
        $buffer = [];

        foreach ($settings as $setting) {
            $buffer[] = '-d';
            $buffer[] = $setting;
        }

        return $buffer;
    }
}

.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

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox