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<?php |
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/* |
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* this file is part of magerun |
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* |
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* @author Tom Klingenberg <https://github.com/ktomk> |
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*/ |
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namespace N98\Util; |
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/** |
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* Class OperatingSystem |
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* |
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* @package N98\Util |
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*/ |
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class OperatingSystem |
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{ |
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/** |
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* @var int |
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*/ |
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const UID_ROOT = 0; |
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/** |
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* Returns true if operating system is |
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* based on GNU linux. |
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* |
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* @return boolean |
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*/ |
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public static function isLinux() |
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{ |
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return (bool) stristr(PHP_OS, 'linux'); |
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} |
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/** |
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* Returns true if operating system is |
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* based on Microsoft Windows. |
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* |
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* @return boolean |
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*/ |
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public static function isWindows() |
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{ |
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return strtolower(substr(PHP_OS, 0, 3)) === 'win'; |
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} |
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/** |
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* Returns true if operating system is |
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* based on novell netware. |
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* |
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* @return boolean |
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*/ |
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public static function isNetware() |
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{ |
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return (bool) stristr(PHP_OS, 'netware'); |
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} |
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/** |
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* Returns true if operating system is |
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* based on apple MacOS. |
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* |
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* @return boolean |
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*/ |
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public static function isMacOs() |
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{ |
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return stristr(PHP_OS, 'darwin') || stristr(PHP_OS, 'mac'); |
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} |
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/** |
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* @param string $program |
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* @return bool |
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*/ |
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public static function isProgramInstalled($program) |
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{ |
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if (self::isWindows()) { |
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return WindowsSystem::isProgramInstalled($program); |
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} |
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$out = null; |
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$return = null; |
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@exec('which ' . $program, $out, $return); |
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return $return === 0; |
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} |
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/** |
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* @return string |
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*/ |
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public static function getHomeDir() |
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{ |
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if (self::isWindows()) { |
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return getenv('USERPROFILE'); |
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} |
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return getenv('HOME'); |
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} |
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/** |
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* Test for Root UID on a POSIX system if posix_getuid() is available. |
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* |
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* Returns false negatives if posix_getuid() is not available. |
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* |
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* @return bool |
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*/ |
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public static function isRoot() |
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{ |
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return function_exists('posix_getuid') && posix_getuid() === self::UID_ROOT; |
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} |
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/** |
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* get current working directory |
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* |
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* @return string the current working directory on success, or false on failure. |
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*/ |
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public static function getCwd() |
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{ |
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return getcwd(); |
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} |
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/** |
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* Retrieve path to php binary |
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* |
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* @return string |
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*/ |
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public static function getPhpBinary() |
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{ |
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// PHP_BINARY (>= php 5.4) |
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if (defined('PHP_BINARY')) { |
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return PHP_BINARY; |
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} |
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if (self::isWindows()) { |
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return 'php'; |
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} |
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return '/usr/bin/env php'; |
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} |
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} |
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If you suppress an error, we recommend checking for the error condition explicitly: