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<?php |
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/** |
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* This software package is licensed under AGPL, Commercial license. |
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* |
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* @package maslosoft/addendum |
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* @licence AGPL, Commercial |
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* @copyright Copyright (c) Piotr Masełkowski <[email protected]> (Meta container, further improvements, bugfixes) |
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* @copyright Copyright (c) Maslosoft (Meta container, further improvements, bugfixes) |
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* @copyright Copyright (c) Jan Suchal (Original version, builder, parser) |
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* @link http://maslosoft.com/addendum/ - maslosoft addendum |
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* @link https://code.google.com/p/addendum/ - original addendum project |
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*/ |
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namespace Maslosoft\Addendum\Utilities; |
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use Exception; |
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/** |
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* ClassChecker |
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* |
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* @author Piotr Maselkowski <pmaselkowski at gmail.com> |
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*/ |
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class ClassChecker |
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{ |
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/** |
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* Array with existent classes |
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* @var string[] |
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*/ |
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private static $_exists = []; |
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/** |
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* Check whenever class or trait or interface exists. |
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* It does autoload if needed. |
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* @param string $class |
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* @return bool True if class or trait or interface exists |
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*/ |
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public static function exists($class) |
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{ |
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if (Blacklister::ignores($class)) |
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{ |
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return false; |
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} |
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if (self::isConfirmed($class)) |
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{ |
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return true; |
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} |
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try |
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{ |
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if (class_exists($class)) |
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{ |
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return self::confirm($class); |
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} |
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} |
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catch (Exception $ex) |
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{ |
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// Some class loaders throw exception if class not found |
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} |
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try |
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{ |
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if (trait_exists($class)) |
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{ |
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return self::confirm($class); |
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} |
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} |
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catch (Exception $ex) |
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{ |
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// Some class loaders throw exception if class not found |
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} |
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try |
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{ |
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if (interface_exists($class)) |
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{ |
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return self::confirm($class); |
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} |
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} |
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catch (Exception $ex) |
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{ |
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// Some class loaders throw exception if class not found |
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} |
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Blacklister::ignore($class); |
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return false; |
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} |
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private static function isConfirmed($class) |
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{ |
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return isset(self::$_exists[$class]); |
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} |
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private static function confirm($class) |
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{ |
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self::$_exists[$class] = true; |
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return true; |
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} |
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} |
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Maslosoft /
Addendum
