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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Process;

/**
 * An executable finder specifically designed for the PHP executable.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
class PhpExecutableFinder
{
    private
$executableFinder;

    public function
__construct()
    {
       
$this->executableFinder = new ExecutableFinder();
    }

   
/**
     * Finds The PHP executable.
     *
     * @return string|false The PHP executable path or false if it cannot be found
     */
   
public function find(bool $includeArgs = true)
    {
        if (
$php = getenv('PHP_BINARY')) {
            if (!
is_executable($php)) {
               
$command = '\\' === \DIRECTORY_SEPARATOR ? 'where' : 'command -v';
                if (
$php = strtok(exec($command.' '.escapeshellarg($php)), \PHP_EOL)) {
                    if (!
is_executable($php)) {
                        return
false;
                    }
                } else {
                    return
false;
                }
            }

            return
$php;
        }

       
$args = $this->findArguments();
       
$args = $includeArgs && $args ? ' '.implode(' ', $args) : '';

       
// PHP_BINARY return the current sapi executable
       
if (\PHP_BINARY && \in_array(\PHP_SAPI, ['cgi-fcgi', 'cli', 'cli-server', 'phpdbg'], true)) {
            return \
PHP_BINARY.$args;
        }

        if (
$php = getenv('PHP_PATH')) {
            if (!@
is_executable($php)) {
                return
false;
            }

            return
$php;
        }

        if (
$php = getenv('PHP_PEAR_PHP_BIN')) {
            if (@
is_executable($php)) {
                return
$php;
            }
        }

        if (@
is_executable($php = \PHP_BINDIR.('\\' === \DIRECTORY_SEPARATOR ? '\\php.exe' : '/php'))) {
            return
$php;
        }

       
$dirs = [\PHP_BINDIR];
        if (
'\\' === \DIRECTORY_SEPARATOR) {
           
$dirs[] = 'C:\xampp\php\\';
        }

        return
$this->executableFinder->find('php', false, $dirs);
    }

   
/**
     * Finds the PHP executable arguments.
     *
     * @return array The PHP executable arguments
     */
   
public function findArguments()
    {
       
$arguments = [];
        if (
'phpdbg' === \PHP_SAPI) {
           
$arguments[] = '-qrr';
        }

        return
$arguments;
    }
}