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 

    12 namespace 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  */

    20 class 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      * @return string|false The PHP executable path or false if it cannot be found

    33      */

    34     public function find()

    35     {

    36         if ($php = getenv('PHP_PATH')) {

    37             if (!is_executable($php)) {

    38                 return false;

    39             }

    40 

    41             return $php;

    42         }

    43 

    44         $suffixes = DIRECTORY_SEPARATOR == '\\' ? (getenv('PATHEXT') ? explode(PATH_SEPARATOR, getenv('PATHEXT')) : array('.exe', '.bat', '.cmd', '.com')) : array('');

    45         foreach ($suffixes as $suffix) {

    46             if (is_executable($php = PHP_BINDIR.DIRECTORY_SEPARATOR.'php'.$suffix)) {

    47                 return $php;

    48             }

    49         }

    50 

    51         if ($php = getenv('PHP_PEAR_PHP_BIN')) {

    52             if (is_executable($php)) {

    53                 return $php;

    54             }

    55         }

    56 

    57         return $this->executableFinder->find('php');

    58     }

    59 }