Apache Zeta Components Manual :: File Source for leet_filter.php
Source for file leet_filter.php
Documentation is available at leet_filter.php
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
* @version //autogentag//
* Implements the Leet translation filter.
* The leet filter mangles translations to old skool 1337 73x7.
* @version //autogentag//
* @param ezcTranslationLeetFilter Instance
static private $instance =
null;
* Private constructor to prevent non-singleton use
private function __construct()
* Returns an instance of the class ezcTranslationFilterLeet
* @return ezcTranslationFilterLeet Instance of ezcTranslationFilterLeet
self::$instance =
new ezcTranslationLeetFilter();
* This "leetify" the $text.
static private function leetify( $text )
$searchMap =
array( '/to/i', '/for/i', '/ate/i', '/your/i', '/you/i', '/l/i', '/e/i', '/o/i', '/a/i', '/t/i' );
$replaceMap =
array( '2', '4', '8', 'ur', 'u', '1', '3', '0', '4', '7' );
$textBlocks =
preg_split( '/(%[^ ]+)/', $text, -
1, PREG_SPLIT_DELIM_CAPTURE );
$newTextBlocks =
array();
foreach ( $textBlocks as $text )
if ( strlen( $text ) &&
$text[0] ==
'%' )
$newTextBlocks[] = (string)
$text;
$newTextBlocks[] = (string)
$text;
$text =
implode( '', $newTextBlocks );
* Applies the "1337" filter on the given context. This filter leetifies
* text old skool. It is, of course, just an example.
* @param array[ezcTranslationData] $context
foreach ( $context as $element )
$element->translation =
self::leetify( $element->translation );