PHP/stristr

A PHP function to compare strings case-insensitive. Also see strstr.

stristr -- Case-insensitive strstr

Description
string stristr ( string haystack, string needle )

Returns all of haystack from the first occurrence of needle to the end. needle and haystack are examined in a case-insensitive manner.

If needle is not found, returns FALSE.

If needle is not a string, it is converted to an integer and applied as the ordinal value of a character.


 * http://www.php.net/manual/en/function.stristr.php

  

Example 2. Testing if a string is found or not    Example 3. Using a non "string" needle   