header_remove
(PHP 5 >= 5.3.0, PHP 7)
header_remove — Remove previously set headers
Description
void header_remove ([ string $name ] )Removes an HTTP header previously set using header().
Parameters
name
The header name to be removed.
Note: This parameter is case-insensitive.
Return Values
No value is returned.
Examples
Example #1 Unsetting specific header.
<?php
header("X-Foo:?Bar");
header("X-Bar:?Baz");
header_remove("X-Foo");?
?>The above example will output something similar to:
X-Bar: BazExample #2 Unsetting all previously set headers.
<?php
header("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
← header_register_callback
header →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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