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  * Generic executable finder.

    16  *

    17  * @author Fabien Potencier <fabien@symfony.com>

    18  * @author Johannes M. Schmitt <schmittjoh@gmail.com>

    19  */

    20 class ExecutableFinder

    21 {

    22     private $suffixes = array('.exe', '.bat', '.cmd', '.com');

    23 

    24     public function setSuffixes(array $suffixes)

    25     {

    26         $this->suffixes = $suffixes;

    27     }

    28 

    29     public function addSuffix($suffix)

    30     {

    31         $this->suffixes[] = $suffix;

    32     }

    33 

    34     /**

    35      * Finds an executable by name.

    36      *

    37      * @param string $name    The executable name (without the extension)

    38      * @param string $default The default to return if no executable is found

    39      *

    40      * @return string The executable path or default value

    41      */

    42     public function find($name, $default = null)

    43     {

    44         if (ini_get('open_basedir')) {

    45             $searchPath = explode(PATH_SEPARATOR, getenv('open_basedir'));

    46             $dirs = array();

    47             foreach ($searchPath as $path) {

    48                 if (is_dir($path)) {

    49                     $dirs[] = $path;

    50                 } else {

    51                     $file = str_replace(dirname($path), '', $path);

    52                     if ($file == $name && is_executable($path)) {

    53                         return $path;

    54                     }

    55                 }

    56             }

    57         } else {

    58             $dirs = explode(PATH_SEPARATOR, getenv('PATH') ? getenv('PATH') : getenv('Path'));

    59         }

    60 

    61         $suffixes = DIRECTORY_SEPARATOR == '\\' ? (getenv('PATHEXT') ? explode(PATH_SEPARATOR, getenv('PATHEXT')) : $this->suffixes) : array('');

    62         foreach ($suffixes as $suffix) {

    63             foreach ($dirs as $dir) {

    64                 if (is_file($file = $dir.DIRECTORY_SEPARATOR.$name.$suffix) && is_executable($file)) {

    65                     return $file;

    66                 }

    67             }

    68         }

    69 

    70         return $default;

    71     }

    72 }