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PHP http_response_code

PHP original manual for http_response_code [ show | php.net ]

http_response_code

(PHP 5 >= 5.4.0, PHP 7)

http_response_code — Get or Set the HTTP response code

Description

mixed http_response_code ([ int $response_code ] )

Gets or sets the HTTP response status code.

Parameters

response_code

The optional response_code will set the response code.

Return Values

If response_code is provided, then the previous status code will be returned. If response_code is not provided, then the current status code will be returned. Both of these values will default to a 200 status code if used in a web server environment.

FALSE will be returned if response_code is not provided and it is not invoked in a web server environment (such as from a CLI application). TRUE will be returned if response_code is provided and it is not invoked in a web server environment (but only when no previous response status has been set).

Examples

Example #1 Using http_response_code() in a web server environment

<?php

// Get the current response code and set a new one
var_dump(http_response_code(404));

// Get the new response code
var_dump(http_response_code());
?>

The above example will output:

int(200)
int(404)

Example #2 Using http_response_code() in a CLI environment

<?php

// Get the current default response code
var_dump(http_response_code());

// Set a response code
var_dump(http_response_code(201));

// Get the new response code
var_dump(http_response_code());
?>

The above example will output:

bool(false)
bool(true)
int(201)

See Also

  • header() - Send a raw HTTP header
  • headers_list() - Returns a list of response headers sent (or ready to send)