joomla_test/libraries/phputf8/stristr.php
2020-01-02 22:20:31 +07:00

39 lines
855 B
PHP

<?php
/**
* @version $Id$
* @package utf8
* @subpackage strings
*/
//---------------------------------------------------------------
/**
* UTF-8 aware alternative to stristr
* Find first occurrence of a string using case insensitive comparison
* Note: requires utf8_strtolower
* @param string
* @param string
* @return int
* @see http://www.php.net/strcasecmp
* @see utf8_strtolower
* @package utf8
* @subpackage strings
*/
function utf8_stristr($str, $search) {
if ( strlen($search) == 0 ) {
return $str;
}
$lstr = utf8_strtolower($str);
$lsearch = utf8_strtolower($search);
//JOOMLA SPECIFIC FIX - BEGIN
preg_match('/^(.*)'.preg_quote($lsearch, '/').'/Us',$lstr, $matches);
//JOOMLA SPECIFIC FIX - END
if ( count($matches) == 2 ) {
return substr($str, strlen($matches[1]));
}
return FALSE;
}