stristr
(PHP 3>= 3.0.6, PHP 4 , PHP 5)
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.
例子 1. stristr() example
<?php
$email = 'USER@EXAMPLE.com';
$domain = stristr($email, 'e');
echo $domain;
// outputs ER@EXAMPLE.com
?>
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See also
strstr(),
strrchr(),
substr(), and
ereg().