(PHP 5 >= 5.2.0)
mb_strripos — Finds position of last occurrence of a string within another, case insensitive
$offset= 0 [, string
mb_strripos() performs multi-byte safe strripos() operation based on number of characters.
needle position is counted from the beginning of
haystack. First character's position is 0. Second character position is 1. Unlike mb_strrpos(), mb_strripos() is case-insensitive.
The string from which to get the position of the last occurrence of
The string to find in
The position in
haystack to start searching
Character encoding name to use. If it is omitted, internal character encoding is used.
Return the numeric position of the last occurrence of
needle in the
haystack string, or
needle is not found.