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: stripos.php,v 1.13 2005/05/30 20:33:03 aidan Exp $
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19 |
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20 |
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21 | /**
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22 | * Replace stripos()
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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.stripos
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27 | * @author Aidan Lister <aidan@php.net>
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28 | * @version $Revision: 1.13 $
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29 | * @since PHP 5
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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('stripos')) {
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33 | function stripos($haystack, $needle, $offset = null)
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34 | {
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35 | if (!is_scalar($haystack)) {
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36 | user_error('stripos() expects parameter 1 to be string, ' .
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37 | gettype($haystack) . ' given', E_USER_WARNING);
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38 | return false;
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39 | }
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40 |
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41 | if (!is_scalar($needle)) {
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42 | user_error('stripos() needle is not a string or an integer.', E_USER_WARNING);
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43 | return false;
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44 | }
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45 |
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46 | if (!is_int($offset) && !is_bool($offset) && !is_null($offset)) {
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47 | user_error('stripos() expects parameter 3 to be long, ' .
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48 | gettype($offset) . ' given', E_USER_WARNING);
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49 | return false;
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50 | }
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51 |
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52 | // Manipulate the string if there is an offset
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53 | $fix = 0;
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54 | if (!is_null($offset)) {
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55 | if ($offset > 0) {
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56 | $haystack = substr($haystack, $offset, strlen($haystack) - $offset);
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57 | $fix = $offset;
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58 | }
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59 | }
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60 |
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61 | $segments = explode(strtolower($needle), strtolower($haystack), 2);
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62 |
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63 | // Check there was a match
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64 | if (count($segments) === 1) {
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65 | return false;
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66 | }
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67 |
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68 | $position = strlen($segments[0]) + $fix;
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69 | return $position;
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70 | }
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71 | }
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72 |
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73 | ?> |
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