1 | <?php |
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2 | // +----------------------------------------------------------------------+ |
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3 | // | PHP Version 4 | |
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4 | // +----------------------------------------------------------------------+ |
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5 | // | Copyright (c) 1997-2004 The PHP Group | |
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6 | // +----------------------------------------------------------------------+ |
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7 | // | This source file is subject to version 3.0 of the PHP license, | |
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8 | // | that is bundled with this package in the file LICENSE, and is | |
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9 | // | available at through the world-wide-web at | |
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10 | // | http://www.php.net/license/3_0.txt. | |
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11 | // | If you did not receive a copy of the PHP license and are unable to | |
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12 | // | obtain it through the world-wide-web, please send a note to | |
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13 | // | license@php.net so we can mail you a copy immediately. | |
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14 | // +----------------------------------------------------------------------+ |
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15 | // | Authors: Aidan Lister <aidan@php.net> | |
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16 | // +----------------------------------------------------------------------+ |
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17 | // |
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18 | // $Id: str_word_count.php,v 1.9 2005/02/28 11:45:28 aidan Exp $ |
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19 | |
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20 | |
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21 | /** |
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22 | * Replace str_word_count() |
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23 | * |
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24 | * @category PHP |
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25 | * @package PHP_Compat |
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26 | * @link http://php.net/function.str_word_count |
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27 | * @author Aidan Lister <aidan@php.net> |
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28 | * @version $Revision: 1.9 $ |
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29 | * @since PHP 4.3.0 |
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30 | * @require PHP 4.0.0 (user_error) |
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31 | */ |
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32 | if (!function_exists('str_word_count')) { |
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33 | function str_word_count($string, $format = null) |
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34 | { |
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35 | if ($format !== 1 && $format !== 2 && $format !== null) { |
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36 | user_error('str_word_count() The specified format parameter, "' . $format . '" is invalid', |
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37 | E_USER_WARNING); |
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38 | return false; |
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39 | } |
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40 | |
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41 | $word_string = preg_replace('/[0-9]+/', '', $string); |
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42 | $word_array = preg_split('/[^A-Za-z0-9_\']+/', $word_string, -1, PREG_SPLIT_NO_EMPTY); |
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43 | |
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44 | switch ($format) { |
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45 | case null: |
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46 | $result = count($word_array); |
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47 | break; |
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48 | |
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49 | case 1: |
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50 | $result = $word_array; |
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51 | break; |
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52 | |
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53 | case 2: |
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54 | $lastmatch = 0; |
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55 | $word_assoc = array(); |
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56 | foreach ($word_array as $word) { |
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57 | $word_assoc[$lastmatch = strpos($string, $word, $lastmatch)] = $word; |
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58 | $lastmatch += strlen($word); |
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59 | } |
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60 | $result = $word_assoc; |
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61 | break; |
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62 | } |
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63 | |
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64 | return $result; |
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65 | } |
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66 | } |
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67 | |
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68 | ?> |
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