mb_stristr
Finds first occurrence of a string within another, case insensitive
Description
string mb_stristr
( string $haystack
, string $needle
[, bool $before_needle = false
[, string $encoding = mb_internal_encoding()
]] )
Parameters
-
haystack
-
The string from which to get the first occurrence
of needle
-
needle
-
The string to find in haystack
-
before_needle
-
Determines which portion of haystack
this function returns.
If set to TRUE, it returns all of haystack
from the beginning to the first occurrence of needle (excluding needle).
If set to FALSE, it returns all of haystack
from the first occurrence of needle to the end (including needle).
-
encoding
-
Character encoding name to use.
If it is omitted, internal character encoding is used.
Return Values
Returns the portion of haystack,
or FALSE if needle is not found.