mb_strrpos() returns the numeric position of
the last occurrence of needle in the
haystack string. If
needle is not found, it returns
mb_strrpos() performs multi-byte safe strrpos() 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.
If encoding is omitted, internal encoding
is assumed. mb_strrpos() accepts
string for needle where
strrpos() accepts only character.
encoding is character encoding. If it is not specified, internal character encoding is used.