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<?php namespace XoopsModules\Mymenus; |
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/* |
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You may not change or alter any portion of this comment or credits |
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of supporting developers from this source code or any supporting source code |
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which is considered copyrighted (c) material of the original comment or credit authors. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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*/ |
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/** |
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* @copyright XOOPS Project (https://xoops.org) |
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* @license http://www.gnu.org/licenses/gpl-2.0.html GNU Public License |
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* @package Mymenus |
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* @since 1.0 |
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* @author trabis <[email protected]> |
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*/ |
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defined('XOOPS_ROOT_PATH') || die('Restricted access'); |
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/** |
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* Class Registry |
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*/ |
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class Registry |
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{ |
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protected $entries; |
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protected $locks; |
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/** |
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* |
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*/ |
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protected function __construct() |
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{ |
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$this->entries = []; |
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$this->locks = []; |
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} |
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/** |
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* @return Registry |
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*/ |
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public static function getInstance() |
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{ |
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static $instance; |
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if (null === $instance) { |
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$instance = new static(); |
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} |
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return $instance; |
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} |
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/** |
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* @TODO: move hard coded language string to language file |
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* |
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* @param $key |
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* @param $item |
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* |
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* @return bool |
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*/ |
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public function setEntry($key, $item) |
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{ |
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$ret = true; |
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if (true === $this->isLocked($key)) { |
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trigger_error("Unable to set entry `{$key}`. Entry is locked.", E_USER_WARNING); |
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$ret = false; |
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} |
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$this->entries[$key] = $item; |
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return $ret; |
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} |
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/** |
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* @param $key |
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*/ |
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public function unsetEntry($key) |
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{ |
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unset($this->entries[$key]); |
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} |
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/** |
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* @param $key |
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* |
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* @return null |
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*/ |
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public function getEntry($key) |
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{ |
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if (false === isset($this->entries[$key])) { |
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return null; |
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} |
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return $this->entries[$key]; |
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} |
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/** |
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* @param $key |
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* |
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* @return bool |
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*/ |
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public function isEntry($key) |
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{ |
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return (null !== $this->getEntry($key)); |
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} |
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/** |
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* @param $key |
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* |
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* @return bool |
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*/ |
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public function lockEntry($key) |
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{ |
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$this->locks[$key] = true; |
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return true; |
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} |
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/** |
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* @param $key |
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*/ |
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public function unlockEntry($key) |
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{ |
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unset($this->locks[$key]); |
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} |
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/** |
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* @param $key |
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* |
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* @return bool |
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*/ |
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public function isLocked($key) |
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{ |
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return (true === isset($this->locks[$key])); |
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} |
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public function unsetAll() |
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{ |
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$this->entries = []; |
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$this->locks = []; |
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} |
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} |
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This check looks for function or method calls that always return null and whose return value is used.
The method
getObject()
can return nothing but null, so it makes no sense to use the return value.The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.