MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / includes / libs / replacers / HashtableReplacer.php

diff --git a/includes/libs/replacers/HashtableReplacer.php b/includes/libs/replacers/HashtableReplacer.php
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+++ b/includes/libs/replacers/HashtableReplacer.php
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+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * Class to perform replacement based on a simple hashtable lookup
+ */
+class HashtableReplacer extends Replacer {
+       private $table, $index;
+
+       /**
+        * @param array $table
+        * @param int $index
+        */
+       public function __construct( $table, $index = 0 ) {
+               $this->table = $table;
+               $this->index = $index;
+       }
+
+       /**
+        * @param array $matches
+        * @return mixed
+        */
+       public function replace( array $matches ) {
+               return $this->table[$matches[$this->index]];
+       }
+}