Php/docs/function.header-remove
header_remove
(PHP 5 >= 5.3.0, PHP 7)
header_remove — Remove previously set headers
Description
header_remove
([ string $name
] ) : void
Removes an HTTP header previously set using header().
Parameters
nameThe header name to be removed.
Note:
This parameter is case-insensitive.
Return Values
No value is returned.
Examples
Example #1 Unsetting specific header.
<?phpheader("X-Foo: Bar");header("X-Bar: Baz");header_remove("X-Foo"); ?>
The above example will output something similar to:
X-Bar: Baz
Example #2 Unsetting all previously set headers.
<?phpheader("X-Foo: Bar");header("X-Bar: Baz");header_remove(); ?>
The above example will output something similar to:
Notes
Caution
This function will remove all headers set by PHP,
including cookies, session and the X-Powered-By headers.
Note:
Headers will only be accessible and output when a SAPI that supports them is in use.
See Also
- header() - Send a raw HTTP header
- headers_sent() - Checks if or where headers have been sent
