mb_stripos() returns the numeric position of
the first occurrence of needle in the
haystack string.
Unlike mb_strpos(),
mb_stripos() is case-insensitive.
If needle is not found, it returns FALSE
.
Parameters
- haystack
The string from which to get the position of the first occurrence
of needle
- needle
The string to find in haystack
- offset
The position in haystack
to start searching
- encoding
Character encoding name to use.
If it is omitted, internal character encoding is used.
Return Values
Return the numeric position of the first occurrence of
needle in the haystack
string, or FALSE
if needle is not found.