68 lines
2.5 KiB
PHP
68 lines
2.5 KiB
PHP
<?php
|
|
// +----------------------------------------------------------------------+
|
|
// | PHP Version 4 |
|
|
// +----------------------------------------------------------------------+
|
|
// | Copyright (c) 1997-2004 The PHP Group |
|
|
// +----------------------------------------------------------------------+
|
|
// | This source file is subject to version 3.0 of the PHP license, |
|
|
// | that is bundled with this package in the file LICENSE, and is |
|
|
// | available at through the world-wide-web at |
|
|
// | http://www.php.net/license/3_0.txt. |
|
|
// | If you did not receive a copy of the PHP license and are unable to |
|
|
// | obtain it through the world-wide-web, please send a note to |
|
|
// | license@php.net so we can mail you a copy immediately. |
|
|
// +----------------------------------------------------------------------+
|
|
// | Authors: Aidan Lister <aidan@php.net> |
|
|
// +----------------------------------------------------------------------+
|
|
//
|
|
// $Id: str_word_count.php,v 1.1 2005/07/23 05:56:03 Tony Exp $
|
|
|
|
|
|
/**
|
|
* Replace str_word_count()
|
|
*
|
|
* @category PHP
|
|
* @package PHP_Compat
|
|
* @link http://php.net/function.str_word_count
|
|
* @author Aidan Lister <aidan@php.net>
|
|
* @version $Revision: 1.1 $
|
|
* @since PHP 4.3.0
|
|
* @require PHP 4.0.0 (user_error)
|
|
*/
|
|
if (!function_exists('str_word_count')) {
|
|
function str_word_count($string, $format = null)
|
|
{
|
|
if ($format !== 1 && $format !== 2 && $format !== null) {
|
|
user_error('str_word_count() The specified format parameter, "' . $format . '" is invalid',
|
|
E_USER_WARNING);
|
|
return false;
|
|
}
|
|
|
|
$word_string = preg_replace('/[0-9]+/', '', $string);
|
|
$word_array = preg_split('/[^A-Za-z0-9_\']+/', $word_string, -1, PREG_SPLIT_NO_EMPTY);
|
|
|
|
switch ($format) {
|
|
case null:
|
|
$result = count($word_array);
|
|
break;
|
|
|
|
case 1:
|
|
$result = $word_array;
|
|
break;
|
|
|
|
case 2:
|
|
$lastmatch = 0;
|
|
$word_assoc = array();
|
|
foreach ($word_array as $word) {
|
|
$word_assoc[$lastmatch = strpos($string, $word, $lastmatch)] = $word;
|
|
$lastmatch += strlen($word);
|
|
}
|
|
$result = $word_assoc;
|
|
break;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
?>
|