solid-performance / src / Performance / Page_Cache / Header_Sender.php

Header_Sender.php in Solid Performance – Your No-Code Caching, Performance, & Page Speed Solution trunk, at src/Performance/Page_Cache/Header_Sender.php

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1	<?php
2	/**
3	* Sends HTTP response headers when serving cache files.
4	*
5	* @package SolidWP\Performance
6	*/
7
8	declare( strict_types=1 );
9
10	namespace SolidWP\Performance\Page_Cache;
11
12	use SolidWP\Performance\Http\Header;
13
14	/**
15	* Sends HTTP response headers when serving cache files.
16	*
17	* @package SolidWP\Performance
18	*/
19	class Header_Sender {
20
21	/**
22	* Send HTTP response headers.
23	*
24	* @param Header $header The header object with the cached response headers.
25	*
26	* @return void
27	*/
28	public function send( Header $header ): void {
29	foreach ( $header->all() as $name => $headers ) {
30	$header_value = $header->get( $name );
31
32	// Single header value, replace any existing.
33	if ( count( $headers ) < 2 ) {
34	$this->send_header( "$name: $header_value" );
35
36	continue;
37	}
38
39	// Header has multiple values, set multiple values for the same header.
40	foreach ( $headers as $value ) {
41	$this->send_header( "$name: $value", false );
42	}
43	}
44	}
45
46	/**
47	* Send the HTTP response header.
48	*
49	* @param string $raw_header The raw header in Name: Value format.
50	* @param bool $replace Whether to replace a previously similar header.
51	*
52	* @return void
53	*/
54	protected function send_header( string $raw_header, bool $replace = true ): void {
55	header( $raw_header, $replace );
56	}
57	}
58