(PHP 4, PHP 5)
strstr — Find the first occurrence of a string
Returns part of haystack
string starting from and including the first
occurrence of needle
to the end of
haystack
.
Note:
This function is case-sensitive. For case-insensitive searches, use stristr().
Note:
If you only want to determine if a particular
needle
occurs withinhaystack
, use the faster and less memory intensive function strpos() instead.
haystack
The input string.
needle
If needle
is not a string, it is converted to
an integer and applied as the ordinal value of a character.
before_needle
If TRUE
, strstr() returns
the part of the haystack
before the first
occurrence of the needle
(excluding the needle).
Returns the portion of string, or FALSE
if needle
is not found.
Version | Description |
---|---|
5.3.0 |
Added the optional parameter before_needle .
|
4.3.0 | strstr() was made binary safe. |
Example #1 strstr() example
<?php
$email = 'name@example.com';
$domain = strstr($email, '@');
echo $domain; // prints @example.com
$user = strstr($email, '@', true); // As of PHP 5.3.0
echo $user; // prints name
?>