code-snippets / php / evaluation / class-evaluate-content.php

class-evaluate-content.php in Code Snippets 3.7.0, at php/evaluation/class-evaluate-content.php

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1	<?php
2
3	namespace Evaluation;
4
5	use Code_Snippets\DB;
6	use Code_Snippets\Snippet;
7
8	/**
9	* Class for evaluating content snippets.
10	*
11	* @package Code_Snippets
12	*/
13	class Evaluate_Content {
14
15	/**
16	* Database class.
17	*
18	* @var DB
19	*/
20	private DB $db;
21
22	/**
23	* Cached list of active snippets.
24	*
25	* @var ?Snippet[]
26	*/
27	private ?array $active_snippets = null;
28
29	/**
30	* Class constructor.
31	*
32	* @param DB $db Database class instance.
33	*/
34	public function __construct( DB $db ) {
35	$this->db = $db;
36	add_action( 'init', array( $this, 'init' ) );
37	}
38
39	/**
40	* Initialise class functions.
41	*/
42	public function init() {
43	add_action( 'wp_head', [ $this, 'load_head_content' ] );
44	add_action( 'wp_footer', [ $this, 'load_footer_content' ] );
45	}
46
47	/**
48	* Print snippet code fetched from the database from a certain scope.
49	*
50	* @param string $scope Name of scope to print.
51	*/
52	private function print_content_snippets( string $scope ) {
53	$scopes = [ 'head-content', 'footer-content' ];
54
55	if ( is_null( $this->active_snippets ) ) {
56	$this->active_snippets = $this->db->fetch_active_snippets( $scopes );
57	}
58
59	foreach ( $this->active_snippets as $snippet ) {
60	if ( $scope === $snippet['scope'] ) {
61	// phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped
62	echo "\n", $snippet['code'], "\n";
63	}
64	}
65	}
66
67	/**
68	* Print head content snippets.
69	*/
70	public function load_head_content() {
71	$this->print_content_snippets( 'head-content' );
72	}
73
74	/**
75	* Print footer content snippets.
76	*/
77	public function load_footer_content() {
78	$this->print_content_snippets( 'footer-content' );
79	}
80	}
81