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<?php |
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<?php |
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// +----------------------------------------------------------------------+ |
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// +----------------------------------------------------------------------+ |
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// | PHP Version 4 | |
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// | PHP Version 4 | |
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// +----------------------------------------------------------------------+ |
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// +----------------------------------------------------------------------+ |
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// | Copyright (c) 1997-2004 The PHP Group | |
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// | Copyright (c) 1997-2004 The PHP Group | |
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// +----------------------------------------------------------------------+ |
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// +----------------------------------------------------------------------+ |
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// | This source file is subject to version 3.0 of the PHP license, | |
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// | This source file is subject to version 3.0 of the PHP license, | |
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// | that is bundled with this package in the file LICENSE, and is | |
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// | that is bundled with this package in the file LICENSE, and is | |
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// | available at through the world-wide-web at | |
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// | available at through the world-wide-web at | |
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// | http://www.php.net/license/3_0.txt. | |
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// | http://www.php.net/license/3_0.txt. | |
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// | If you did not receive a copy of the PHP license and are unable to | |
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// | If you did not receive a copy of the PHP license and are unable to | |
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// | obtain it through the world-wide-web, please send a note to | |
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// | obtain it through the world-wide-web, please send a note to | |
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// | license@php.net so we can mail you a copy immediately. | |
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// | license@php.net so we can mail you a copy immediately. | |
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// +----------------------------------------------------------------------+ |
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// +----------------------------------------------------------------------+ |
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// | Authors: Aidan Lister <aidan@php.net> | |
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// | Authors: Aidan Lister <aidan@php.net> | |
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// +----------------------------------------------------------------------+ |
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// +----------------------------------------------------------------------+ |
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// |
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// |
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// $Id: str_word_count.php,v 1.9 2005/02/28 11:45:28 aidan Exp $ |
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// $Id: str_word_count.php,v 1.9 2005/02/28 11:45:28 aidan Exp $ |
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|
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/** |
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/** |
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* Replace str_word_count() |
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* Replace str_word_count() |
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* |
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* |
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* @category PHP |
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* @category PHP |
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* @package PHP_Compat |
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* @package PHP_Compat |
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* @link http://php.net/function.str_word_count |
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* @link http://php.net/function.str_word_count |
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* @author Aidan Lister <aidan@php.net> |
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* @author Aidan Lister <aidan@php.net> |
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* @version $Revision: 1.9 $ |
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* @version $Revision: 1.9 $ |
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* @since PHP 4.3.0 |
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* @since PHP 4.3.0 |
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* @require PHP 4.0.0 (user_error) |
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* @require PHP 4.0.0 (user_error) |
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*/ |
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*/ |
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if (!function_exists('str_word_count')) { |
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if (!function_exists('str_word_count')) { |
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function str_word_count($string, $format = null) |
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function str_word_count($string, $format = null) |
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{ |
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{ |
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if ($format !== 1 && $format !== 2 && $format !== null) { |
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if ($format !== 1 && $format !== 2 && $format !== null) { |
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user_error('str_word_count() The specified format parameter, "' . $format . '" is invalid', |
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user_error('str_word_count() The specified format parameter, "' . $format . '" is invalid', |
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E_USER_WARNING); |
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E_USER_WARNING); |
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return false; |
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return false; |
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} |
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} |
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|
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|
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$word_string = preg_replace('/[0-9]+/', '', $string); |
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$word_string = preg_replace('/[0-9]+/', '', $string); |
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$word_array = preg_split('/[^A-Za-z0-9_\']+/', $word_string, -1, PREG_SPLIT_NO_EMPTY); |
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$word_array = preg_split('/[^A-Za-z0-9_\']+/', $word_string, -1, PREG_SPLIT_NO_EMPTY); |
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|
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|
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switch ($format) { |
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switch ($format) { |
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case null: |
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case null: |
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$result = count($word_array); |
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$result = count($word_array); |
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break; |
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break; |
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|
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|
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case 1: |
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case 1: |
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$result = $word_array; |
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$result = $word_array; |
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break; |
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break; |
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|
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|
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case 2: |
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case 2: |
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$lastmatch = 0; |
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$lastmatch = 0; |
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$word_assoc = array(); |
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$word_assoc = array(); |
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foreach ($word_array as $word) { |
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foreach ($word_array as $word) { |
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$word_assoc[$lastmatch = strpos($string, $word, $lastmatch)] = $word; |
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$word_assoc[$lastmatch = strpos($string, $word, $lastmatch)] = $word; |
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$lastmatch += strlen($word); |
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$lastmatch += strlen($word); |
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} |
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} |
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$result = $word_assoc; |
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$result = $word_assoc; |
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break; |
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break; |
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} |
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} |
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|
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return $result; |
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return $result; |
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} |
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} |
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} |
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} |
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|
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|
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?> |
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?> |