mb_strpos() returns the numeric
position of the first occurrence of
needle in the
haystack string. If
needle is not found, it returns FALSE.
mb_strpos() performs multi-byte
safe
strpos() operation based on number of characters. needle position is counted from
the beginning of the
haystack. First character's position is 0. Second
character position is 1, and so on.
If encoding is
omitted, internal character encoding is used.
mb_strrpos() accepts string
for needle where strrpos()
accepts only character.
offset is search
offset. If it is not specified, 0 is used.
encoding is character
encoding name. If it is omitted, internal character encoding
is used.
See also mb_strpos(),
mb_internal_encoding(),
strpos()