80 lines
2 KiB
PHP
80 lines
2 KiB
PHP
<?php
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/**
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* Copyright 2014
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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namespace MediaWiki\Config;
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/**
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* Accesses configuration settings from $GLOBALS
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*
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* @newable
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* @since 1.23
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*/
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class GlobalVarConfig implements Config {
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/**
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* Prefix to use for configuration variables
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* @var string
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*/
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private $prefix;
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/**
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* Default builder function
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* @return self
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*/
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public static function newInstance() {
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return new self();
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}
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/**
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* @stable to call
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*
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* @param string $prefix
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*/
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public function __construct( $prefix = 'wg' ) {
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$this->prefix = $prefix;
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}
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/**
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* @inheritDoc
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*/
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public function get( $name ) {
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if ( !$this->has( $name ) ) {
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throw new ConfigException( __METHOD__ . ": undefined option: '$name'" );
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}
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return $GLOBALS[$this->prefix . $name];
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}
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/**
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* @inheritDoc
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*/
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public function has( $name ) {
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$var = $this->prefix . $name;
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// (T317951) Don't call array_key_exists unless we have to, as it's slow
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// on PHP 8.1+ for $GLOBALS. When the key is set but is explicitly set
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// to null, we still need to fall back to array_key_exists, but that's
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// rarer.
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return isset( $GLOBALS[$var] ) || array_key_exists( $var, $GLOBALS );
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}
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}
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/** @deprecated class alias since 1.41 */
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class_alias( GlobalVarConfig::class, 'GlobalVarConfig' );
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