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author | Andreas Baumann <mail@andreasbaumann.cc> | 2019-11-17 20:57:39 +0100 |
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committer | Andreas Baumann <mail@andreasbaumann.cc> | 2019-11-17 20:57:39 +0100 |
commit | 3b06ee0d381dc1be5f40ca98ad4278046d869d21 (patch) | |
tree | d31e79fc57d882b8267f40c3434480bb58a3ca73 /include/utf8/stristr.php | |
download | fluxbb-3b06ee0d381dc1be5f40ca98ad4278046d869d21.tar.xz |
Diffstat (limited to 'include/utf8/stristr.php')
-rw-r--r-- | include/utf8/stristr.php | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/utf8/stristr.php b/include/utf8/stristr.php new file mode 100644 index 0000000..fb9e6a5 --- /dev/null +++ b/include/utf8/stristr.php @@ -0,0 +1,34 @@ +<?php + +/** +* @version $Id: stristr.php,v 1.1 2006/02/25 13:50:17 harryf Exp $ +* @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); + preg_match('/^(.*)'.preg_quote($lsearch).'/Us', $lstr, $matches); + + if (count($matches) == 2) + return substr($str, strlen($matches[1])); + + return false; +} |