class PhpSubprocess

class PhpSubprocess extends Process {
    
    /**
     * @param array       $command The command to run and its arguments listed as separate entries. They will automatically
     *                             get prefixed with the PHP binary
     * @param string|null $cwd     The working directory or null to use the working dir of the current PHP process
     * @param array|null  $env     The environment variables or null to use the same environment as the current PHP process
     * @param int         $timeout The timeout in seconds
     * @param array|null  $php     Path to the PHP binary to use with any additional arguments
     */
    public function __construct(array $command, ?string $cwd = null, ?array $env = null, int $timeout = 60, ?array $php = null) {
        if (null === $php) {
            $executableFinder = new PhpExecutableFinder();
            $php = $executableFinder->find(false);
            $php = false === $php ? null : array_merge([
                $php,
            ], $executableFinder->findArguments());
        }
        if (null === $php) {
            throw new RuntimeException('Unable to find PHP binary.');
        }
        $tmpIni = $this->writeTmpIni($this->getAllIniFiles(), sys_get_temp_dir());
        $php = array_merge($php, [
            '-n',
            '-c',
            $tmpIni,
        ]);
        register_shutdown_function('unlink', $tmpIni);
        $command = array_merge($php, $command);
        parent::__construct($command, $cwd, $env, null, $timeout);
    }
    public static function fromShellCommandline(string $command, ?string $cwd = null, ?array $env = null, mixed $input = null, ?float $timeout = 60) : static {
        throw new LogicException(\sprintf('The "%s()" method cannot be called when using "%s".', __METHOD__, self::class));
    }
    public function start(?callable $callback = null, array $env = []) : void {
        if (null === $this->getCommandLine()) {
            throw new RuntimeException('Unable to find the PHP executable.');
        }
        parent::start($callback, $env);
    }
    private function writeTmpIni(array $iniFiles, string $tmpDir) : string {
        if (false === ($tmpfile = @tempnam($tmpDir, ''))) {
            throw new RuntimeException('Unable to create temporary ini file.');
        }
        // $iniFiles has at least one item and it may be empty
        if ('' === $iniFiles[0]) {
            array_shift($iniFiles);
        }
        $content = '';
        foreach ($iniFiles as $file) {
            // Check for inaccessible ini files
            if (($data = @file_get_contents($file)) === false) {
                throw new RuntimeException('Unable to read ini: ' . $file);
            }
            // Check and remove directives after HOST and PATH sections
            if (preg_match('/^\\s*\\[(?:PATH|HOST)\\s*=/mi', $data, $matches, \PREG_OFFSET_CAPTURE)) {
                $data = substr($data, 0, $matches[0][1]);
            }
            $content .= $data . "\n";
        }
        // Merge loaded settings into our ini content, if it is valid
        $config = parse_ini_string($content);
        $loaded = ini_get_all(null, false);
        if (false === $config || false === $loaded) {
            throw new RuntimeException('Unable to parse ini data.');
        }
        $content .= $this->mergeLoadedConfig($loaded, $config);
        // Work-around for https://bugs.php.net/bug.php?id=75932
        $content .= "opcache.enable_cli=0\n";
        if (false === @file_put_contents($tmpfile, $content)) {
            throw new RuntimeException('Unable to write temporary ini file.');
        }
        return $tmpfile;
    }
    private function mergeLoadedConfig(array $loadedConfig, array $iniConfig) : string {
        $content = '';
        foreach ($loadedConfig as $name => $value) {
            if (!\is_string($value)) {
                continue;
            }
            if (!isset($iniConfig[$name]) || $iniConfig[$name] !== $value) {
                // Double-quote escape each value
                $content .= $name . '="' . addcslashes($value, '\\"') . "\"\n";
            }
        }
        return $content;
    }
    private function getAllIniFiles() : array {
        $paths = [
            (string) php_ini_loaded_file(),
        ];
        if (false !== ($scanned = php_ini_scanned_files())) {
            $paths = array_merge($paths, array_map('trim', explode(',', $scanned)));
        }
        return $paths;
    }

}