note 49088 added to function.strstr

I need the function strrstr, but it not exist. Plis, if somebody know how to create the function strrstr, has to make it. This function will do: Find last occurrence of a string. Thanks. ---- Manual Page -- http://www.php.net/manual/en/function.strstr.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+49088 Delete -- http://master.php.net/manage/user-notes.php?action=delete+49088&report=yes Reason: bad code -- http://master.php.net/manage/user-notes.php?action=delete+49088&report=yes&reason=bad+code Reason: spam -- http://master.php.net/manage/user-notes.php?action=delete+49088&report=yes&reason=spam Reason: useless example -- http://master.php.net/manage/user-notes.php?action=delete+49088&report=yes&reason=useless+example Reason: contains commercial links -- http://master.php.net/manage/user-notes.php?action=delete+49088&report=yes&reason=contains+commercial+links Reason: useless note -- http://master.php.net/manage/user-notes.php?action=delete+49088&report=yes&reason=useless+note Reject -- http://master.php.net/manage/user-notes.php?action=reject+49088&report=yes Search -- http://master.php.net/manage/user-notes.php