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(PHP 3>= 3.0.6, PHP 4 )

stristr --  Case-insensitive strstr()


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.

例子 1. stristr() example

= '';
$domain = stristr($email, 'e');
// outputs

See also strchr(), strrchr(), substr(), and ereg().