note 47847 added to function.strstr

I have a problem. It don't exist the function: strrstr(). This function would do: -Find tha last occurrence of a string. I need it and think that somebody may make this function. Thanks. ---- Manual Page -- http://www.php.net/manual/en/function.strstr.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+47847 Delete -- http://master.php.net/manage/user-notes.php?action=delete+47847&report=yes Reason: bad code -- http://master.php.net/manage/user-notes.php?action=delete+47847&report=yes&reason=bad+code Reason: spam -- http://master.php.net/manage/user-notes.php?action=delete+47847&report=yes&reason=spam Reason: useless example -- http://master.php.net/manage/user-notes.php?action=delete+47847&report=yes&reason=useless+example Reason: contains commercial links -- http://master.php.net/manage/user-notes.php?action=delete+47847&report=yes&reason=contains+commercial+links Reason: useless note -- http://master.php.net/manage/user-notes.php?action=delete+47847&report=yes&reason=useless+note Reject -- http://master.php.net/manage/user-notes.php?action=reject+47847&report=yes Search -- http://master.php.net/manage/user-notes.php