note 56735 added to function.strrpos
| From: | gordon at kanazawa-gu dot ac dot jp | Date: | Wed, 14 Sep 2005 04:56:23 +0000 |
| Subject: | note 56735 added to function.strrpos | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-95136@lists.php.net to get a copy of this message | ||
The "find-last-occurrence-of-a-string" functions suggested here do not allow for a
starting offset, so here's one, tried and tested, that does:
function my_strrpos($haystack, $needle, $offset=0) {
// same as strrpos, except $needle can be a string
$strrpos = false;
if (is_string($haystack) && is_string($needle) && is_numeric($offset)) {
$strlen = strlen($haystack);
$strpos = strpos(strrev(substr($haystack, $offset)), strrev($needle));
if (is_numeric($strpos)) {
$strrpos = $strlen - $strpos - strlen($needle);
}
}
return $strrpos;
}
----
Manual Page -- http://www.php.net/manual/en/function.strrpos.php
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