HEADER_REMOVE(3)							 1							  HEADER_REMOVE(3)

header_remove - Remove previously set headers

SYNOPSIS

       void header_remove ([string  $name])

DESCRIPTION

	Removes an HTTP header previously set using header(3).

PARAMETERS

	      o $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: Baz

       Example #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(3), headers_sent(3).

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