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header_remove

header_remove

(PHP 5 >= 5.3.0)

header_removeRemove previously set headers

说明

void header_remove ([ string $name ] )

Removes an HTTP header previously set using header().

参数

name

The header name to be removed.

Note: This parameter is case-insensitive.

返回值

没有返回值。

范例

Example #1 Unsetting specific header.

<?php
header
("X-Foo: Bar");
header("X-Bar: Baz");
header_remove("X-Foo"); 
?>

以上例程的输出类似于:

X-Bar: Baz

Example #2 Unsetting all previously set headers.

<?php
header
("X-Foo: Bar");
header("X-Bar: Baz");
header_remove(); 
?>

以上例程的输出类似于:

注释

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.

参见


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  • define_syslog_variables
  • dns_check_record
  • dns_get_mx
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  • gethostbyname
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  • getprotobyname
  • getprotobynumber
  • getservbyname
  • getservbyport
  • header
  • headers_list
  • headers_sent
  • header_register_callback
  • header_remove
  • http_response_code
  • inet_ntop
  • inet_pton
  • ip2long
  • long2ip
  • openlog
  • pfsockopen
  • setcookie
  • setrawcookie
  • socket_get_status
  • socket_set_blocking
  • socket_set_timeout
  • syslog
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