The Aura HTTP package provides objects to build and send HTTP responses from the server to the client.
The easiest way to get started is to use the scripts/instance.php script to get a new Response object.
<?php
$response = include '/path/to/Aura.Http/scripts/instance.php';
Alternatively, you can add '/path/to/Aura.Http/src' to your autoloader and build a Response object manually:
<?php
use Aura\Http\Response;
use Aura\Http\Headers;
use Aura\Http\Cookies;
$response = new Response(new Headers, new Cookies);
To set the content of the Response, use the setContent() method.
<?php
$html = '<html>'
. '<head><title>Test</title></head>'
. '<body>Hello World!</body>
. </html>';
$response->setContent($html);
To set headers, access the $headers property (which itself is a Headers collection object).
<?php
$response->headers->set('Header-Label', 'header value');
You can also set all the headers at once by passing an array of key-value pairs where the key is the header label and the value is one or more header values.
<?php
$response->headers->setAll([
'Header-One' => 'header one value',
'Header-Two' => [
'header two value A',
'header two value B',
'header two value C',
],
]);
Note that header labels are sanitized and normalized, so if you enter a label header_foo it will be retained as Header-Foo.
To set cookies, access the $cookies property (which itself is a Cookies collection object). Pass the cookie name, and an array of information about the cookie (including its value).
<?php
$response->cookies->set('cookie_name', [
'value' => 'cookie value', // cookie value
'expire' => time() + 3600, // expiration time in unix epoch seconds
'path' => '/path', // server path for the cookie
'domain' => 'example.com', // domain for the cookie
'secure' => false, // send by ssl only?
'httponly' => true, // send by http/https only?
]);
The information array mimics the setcookies() parameter names. You only need to provide the parts of the array that you need; the remainder will be filled in with null defaults for you.
You can also set all the cookies at once by passing an array of key-value pairs, where the key is the cookie name and the value is a cookie information array.
<?php
$response->cookies->setAll([
'cookie_foo' => [
'value' => 'value for cookie foo',
],
'cookie_bar' => [
'value' => 'value for cookie bar',
],
]);
To set the HTTP response status, use setStatusCode() and setStatusText(). The setStatusCode() method automatically sets the text for known codes.
<?php
// automatically sets the status text to 'Not Modified'
$response->setStatusCode(304);
// change the status text to something else
$response->setStatusText('Same As It Ever Was');
By default, a new Response starts with a status of '200 OK'.
Once you have set the content, headers, cookies, and status, you can send the response to the client using the send() method.
<?php
$response->send();
This will send all the headers using header(), all the cookies using setcookie(), and then echo the content.
Note that you can only send the Response once. If you try to send it again, or if you try to send another response of any sort with headers on it, you will get an Exception\HeadersSent exception.
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