1<?php
2
3/*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12namespace Symfony\Component\Process;
13
14/**
15 * An executable finder specifically designed for the PHP executable.
16 *
17 * @author Fabien Potencier <fabien@symfony.com>
18 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
19 */
20class PhpExecutableFinder
21{
22    private $executableFinder;
23
24    public function __construct()
25    {
26        $this->executableFinder = new ExecutableFinder();
27    }
28
29    /**
30     * Finds The PHP executable.
31     *
32     * @param bool $includeArgs Whether or not include command arguments
33     *
34     * @return string|false The PHP executable path or false if it cannot be found
35     */
36    public function find($includeArgs = true)
37    {
38        $args = $this->findArguments();
39        $args = $includeArgs && $args ? ' '.implode(' ', $args) : '';
40
41        // HHVM support
42        if (\defined('HHVM_VERSION')) {
43            return (getenv('PHP_BINARY') ?: \PHP_BINARY).$args;
44        }
45
46        // PHP_BINARY return the current sapi executable
47        if (\PHP_BINARY && \in_array(\PHP_SAPI, ['cli', 'cli-server', 'phpdbg'], true)) {
48            return \PHP_BINARY.$args;
49        }
50
51        if ($php = getenv('PHP_PATH')) {
52            if (!@is_executable($php)) {
53                return false;
54            }
55
56            return $php;
57        }
58
59        if ($php = getenv('PHP_PEAR_PHP_BIN')) {
60            if (@is_executable($php)) {
61                return $php;
62            }
63        }
64
65        if (@is_executable($php = \PHP_BINDIR.('\\' === \DIRECTORY_SEPARATOR ? '\\php.exe' : '/php'))) {
66            return $php;
67        }
68
69        $dirs = [\PHP_BINDIR];
70        if ('\\' === \DIRECTORY_SEPARATOR) {
71            $dirs[] = 'C:\xampp\php\\';
72        }
73
74        return $this->executableFinder->find('php', false, $dirs);
75    }
76
77    /**
78     * Finds the PHP executable arguments.
79     *
80     * @return array The PHP executable arguments
81     */
82    public function findArguments()
83    {
84        $arguments = [];
85
86        if (\defined('HHVM_VERSION')) {
87            $arguments[] = '--php';
88        } elseif ('phpdbg' === \PHP_SAPI) {
89            $arguments[] = '-qrr';
90        }
91
92        return $arguments;
93    }
94}
95