68 lines
2.5 KiB
PHP
68 lines
2.5 KiB
PHP
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<?php
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2004 The PHP Group |
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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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// | 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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// | 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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// | 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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// +----------------------------------------------------------------------+
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// | Authors: Aidan Lister <aidan@php.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id: str_word_count.php,v 1.1 2005/07/23 05:56:03 Tony Exp $
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/**
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* Replace str_word_count()
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*
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* @category PHP
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* @package PHP_Compat
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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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* @version $Revision: 1.1 $
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* @since PHP 4.3.0
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* @require PHP 4.0.0 (user_error)
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*/
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if (!function_exists('str_word_count')) {
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function str_word_count($string, $format = null)
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{
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if ($format !== 1 && $format !== 2 && $format !== null) {
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user_error('str_word_count() The specified format parameter, "' . $format . '" is invalid',
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E_USER_WARNING);
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return false;
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}
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$word_string = preg_replace('/[0-9]+/', '', $string);
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$word_array = preg_split('/[^A-Za-z0-9_\']+/', $word_string, -1, PREG_SPLIT_NO_EMPTY);
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switch ($format) {
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case null:
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$result = count($word_array);
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break;
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case 1:
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$result = $word_array;
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break;
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case 2:
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$lastmatch = 0;
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$word_assoc = array();
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foreach ($word_array as $word) {
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$word_assoc[$lastmatch = strpos($string, $word, $lastmatch)] = $word;
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$lastmatch += strlen($word);
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}
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$result = $word_assoc;
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break;
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}
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return $result;
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}
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}
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?>
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