(PHP 4, PHP 5, PHP 7)
strstr — Find the first occurrence of a string
FALSE] ) : string
Returns part of
haystack string starting from and including the first
needle to the end of
This function is case-sensitive. For case-insensitive searches, use stristr().
If you only want to determine if a particular
haystack, use the faster and less memory intensive function strpos() instead.
The input string.
needle is not a string, it is converted
to an integer and applied as the ordinal value of a character.
This behavior is deprecated as of PHP 7.3.0, and relying on it is highly
discouraged. Depending on the intended behavior, the
needle should either be explicitly cast to string,
or an explicit call to chr() should be performed.
TRUE, strstr() returns
the part of the
haystack before the first
occurrence of the
needle (excluding the needle).
Returns the portion of string, or
is not found.
Added the optional parameter
Example #1 strstr() example
$email = '[email protected]';
$domain = strstr($email, '@');
echo $domain; // prints @example.com
$user = strstr($email, '@', true); // As of PHP 5.3.0
echo $user; // prints name