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<?php |
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/** |
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* @package CleverStyle CMS |
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* @author Nazar Mokrynskyi <[email protected]> |
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* @copyright Copyright (c) 2013-2015, Nazar Mokrynskyi |
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* @license MIT License, see license.txt |
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*/ |
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namespace cs\Singleton; |
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use |
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cs\False_class; |
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/** |
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* Singleton trait |
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* |
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* Provides Singleton pattern implementation |
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*/ |
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trait Base { |
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final protected function __construct () { |
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} |
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protected function construct () { |
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} |
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/** |
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* Get instance of class |
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* |
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* @param bool $check If true - checks, if instance was already created, if not - instance of cs\False_class will be returned |
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* |
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* @return False_class|static |
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*/ |
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static function instance ($check = false) { |
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static $instance; |
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return self::instance_prototype($instance, $check); |
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} |
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/** |
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* Get instance of class |
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* |
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* @param object $instance |
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* @param bool $check If true - checks, if instance was already created, if not - instance of cs\False_class will be returned |
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* |
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* @return False_class|static |
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*/ |
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protected static function instance_prototype (&$instance, $check = false) { |
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if ($check) { |
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return $instance ?: False_class::instance(); |
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} |
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if ($instance) { |
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return $instance; |
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} |
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$class = get_called_class(); |
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if (substr($class, 0, 2) != 'cs') { |
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return False_class::instance(); |
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} |
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$custom_class_base = 'cs\\custom'.substr($class, 2); |
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$next_alias = $class; |
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if (class_exists($custom_class_base, false)) { |
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$next_alias = $custom_class_base; |
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} |
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$modified_classes = modified_classes(); |
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if (!isset($modified_classes[$class])) { |
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$aliases = []; |
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$modified_classes[$class] = [ |
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'aliases' => &$aliases, |
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'final_class' => &$next_alias |
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]; |
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$classes = glob(CUSTOM.'/classes/'.substr($class, 2).'_*.php'); |
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foreach ($classes as $custom_class) { |
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// Path to file with customized class |
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$custom_class = str_replace(CUSTOM.'/classes/', '', substr($custom_class, 0, -4)); |
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// Same path with prefixed class name |
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$_custom_class = explode('/', $custom_class); |
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$_custom_class[] = '_'.array_pop($_custom_class); |
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$_custom_class = implode('/', $_custom_class); |
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$aliases[] = [ |
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'original' => $next_alias, |
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'alias' => "cs\\custom\\$_custom_class", |
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'path' => $custom_class |
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]; |
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$next_alias = "cs\\custom\\$custom_class"; |
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} |
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if (!is_dir(CACHE.'/classes')) { |
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@mkdir(CACHE.'/classes', 0770, true); |
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} |
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modified_classes($modified_classes); |
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} |
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foreach ($modified_classes[$class]['aliases'] as $alias) { |
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/** |
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* If for whatever reason base class does or file that should be included does not exists |
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*/ |
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if ( |
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!class_exists($alias['original'], false) || |
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!file_exists(CUSTOM."/classes/$alias[path].php") |
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) { |
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clean_classes_cache(); |
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$instance = new $class; |
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$instance->construct(); |
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return $instance; |
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} |
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class_alias($alias['original'], $alias['alias']); |
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require_once CUSTOM."/classes/$alias[path].php"; |
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} |
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$instance = new $modified_classes[$class]['final_class']; |
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$instance->construct(); |
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return $instance; |
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} |
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final protected function __clone () { |
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} |
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final protected function __wakeup () { |
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} |
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} |
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nazar-pc /
CleverStyle-Framework
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This check compares the return type specified in the
@returnannotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.