(PHP 5 >= 5.2.0)
mb_stristr — Finds first occurrence of a string within another, case insensitive
$before_needle= false [, string
mb_stristr() finds the first occurrence of
haystack and returns the portion of
haystack. Unlike mb_strstr(), mb_stristr() is case-insensitive. If
needle is not found, it returns
The string from which to get the first occurrence of
The string to find in
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 (including needle). If set to
FALSE, it returns all of
haystack from the first occurrence of
needle to the end (excluding needle).
Character encoding name to use. If it is omitted, internal character encoding is used.
Returns the portion of
needle is not found.