291 lines
10 KiB
PHP
291 lines
10 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.org>.
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*/
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/**
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* Doctrine_Search_Analyzer_Standard
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*
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* @package Doctrine
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* @subpackage Search
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @version $Revision$
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* @link www.phpdoctrine.org
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* @since 1.0
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*/
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class Doctrine_Search_Analyzer_Standard extends Doctrine_Search_Analyzer implements Doctrine_Search_Analyzer_Interface
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{
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protected static $_stopwords = array(
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// Ticket #1787. Fixed searchable behavior numeric evaluation
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// Removed the numeric 0-9 from here
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'a',
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'about',
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'after',
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'all',
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'almost',
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'along',
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'also',
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'although',
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'amp',
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'an',
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'and',
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'another',
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'any',
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'are',
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'area',
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'arent',
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'around',
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'as',
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'at',
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'available',
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'back',
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'be',
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'because',
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'been',
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'before',
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'being',
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'best',
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'better',
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'big',
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'bit',
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'both',
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'but',
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'by',
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'c',
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'came',
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'can',
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'capable',
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'control',
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'could',
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'course',
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'd',
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'dan',
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'day',
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'decided',
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'did',
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'didn',
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'different',
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'div',
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'do',
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'doesn',
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'don',
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'down',
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'drive',
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'e',
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'each',
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'easily',
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'easy',
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'edition',
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'either',
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'end',
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'enough',
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'even',
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'every',
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'example',
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'few',
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'find',
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'first',
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'for',
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'found',
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'from',
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'get',
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'go',
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'going',
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'good',
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'got',
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'gt',
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'had',
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'hard',
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'has',
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'have',
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'he',
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'her',
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'here',
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'how',
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'i',
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'if',
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'in',
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'into',
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'is',
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'isn',
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'it',
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'just',
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'know',
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'last',
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'left',
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'li',
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'like',
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'little',
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'll',
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'long',
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'look',
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'lot',
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'lt',
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'm',
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'made',
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'make',
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'many',
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'mb',
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'me',
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'menu',
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'might',
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'mm',
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'more',
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'most',
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'much',
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'my',
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'name',
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'nbsp',
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'need',
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'new',
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'no',
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'not',
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'now',
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'number',
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'of',
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'off',
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'old',
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'on',
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'one',
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'only',
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'or',
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'original',
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'other',
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'our',
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'out',
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'over',
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'part',
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'place',
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'point',
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'pretty',
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'probably',
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'problem',
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'put',
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'quite',
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'quot',
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'r',
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're',
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'really',
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'results',
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'right',
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's',
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'same',
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'saw',
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'see',
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'set',
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'several',
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'she',
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'sherree',
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'should',
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'since',
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'size',
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'small',
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'so',
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'some',
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'something',
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'special',
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'still',
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'stuff',
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'such',
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'sure',
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'system',
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't',
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'take',
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'than',
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'that',
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'the',
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'their',
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'them',
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'then',
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'there',
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'these',
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'they',
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'thing',
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'things',
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'think',
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'this',
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'those',
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'though',
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'through',
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'time',
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'to',
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'today',
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'together',
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'too',
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'took',
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'two',
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'up',
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'us',
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'use',
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'used',
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'using',
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've',
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'very',
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'want',
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'was',
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'way',
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'we',
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'well',
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'went',
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'were',
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'what',
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'when',
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'where',
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'which',
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'while',
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'white',
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'who',
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'will',
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'with',
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'would',
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'yet',
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'you',
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'your',
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'yours'
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);
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public function analyze($text, $encoding = null)
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{
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$text = preg_replace('/[\'`´"]/', '', $text);
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$text = Doctrine_Inflector::unaccent($text);
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$text = preg_replace('/[^A-Za-z0-9]/', ' ', $text);
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$text = str_replace(' ', ' ', $text);
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$terms = explode(' ', $text);
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$ret = array();
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if ( ! empty($terms)) {
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foreach ($terms as $i => $term) {
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if (empty($term)) {
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continue;
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}
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$lower = strtolower(trim($term));
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if (in_array($lower, self::$_stopwords)) {
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continue;
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}
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$ret[$i] = $lower;
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}
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}
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return $ret;
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}
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}
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