class-evf-cache-helper.php — Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI 3.5.2

everest-forms / includes / class-evf-cache-helper.php

everest-forms / includes Last commit date

class-evf-cache-helper.php

91 lines

1	<?php
2	/**
3	* Cache Helper Class
4	*
5	* @class EVF_Cache_Helper
6	* @version 1.0.0
7	* @package EverestForms/Classes
8	*/
9
10	defined( 'ABSPATH' ) \|\| exit;
11
12	/**
13	* EVF_Cache_Helper Class.
14	*/
15	class EVF_Cache_Helper {
16
17	/**
18	* Hook in methods.
19	*/
20	public static function init() {
21	add_action( 'admin_notices', array( __CLASS__, 'notices' ) );
22	}
23
24	/**
25	* Get prefix for use with wp_cache_set. Allows all cache in a group to be invalidated at once.
26	*
27	* @param string $group Group of cache to get.
28	* @return string
29	*/
30	public static function get_cache_prefix( $group ) {
31	$prefix = wp_cache_get( 'evf_' . $group . '_cache_prefix', $group );
32
33	if ( false === $prefix ) {
34	$prefix = 1;
35	wp_cache_set( 'evf_' . $group . '_cache_prefix', $prefix, $group );
36	}
37
38	return 'evf_cache_' . $prefix . '_';
39	}
40
41	/**
42	* Increment group cache prefix (invalidates cache).
43	*
44	* @param string $group Group of cache to clear.
45	*/
46	public static function incr_cache_prefix( $group ) {
47	wp_cache_incr( 'evf_' . $group . '_cache_prefix', 1, $group );
48	}
49
50	/**
51	* Set constants to prevent caching by some plugins.
52	*
53	* @param mixed $return Value to return. Previously hooked into a filter.
54	* @return mixed
55	*/
56	public static function set_nocache_constants( $return = true ) {
57	evf_maybe_define_constant( 'DONOTCACHEPAGE', true );
58	evf_maybe_define_constant( 'DONOTCACHEOBJECT', true );
59	evf_maybe_define_constant( 'DONOTCACHEDB', true );
60	return $return;
61	}
62
63	/**
64	* Notices function.
65	*/
66	public static function notices() {
67	if ( ! function_exists( 'w3tc_pgcache_flush' ) \|\| ! function_exists( 'w3_instance' ) ) {
68	return;
69	}
70
71	$config = w3_instance( 'W3_Config' );
72	$enabled = $config->get_integer( 'dbcache.enabled' );
73	$settings = array_map( 'trim', $config->get_array( 'dbcache.reject.sql' ) );
74
75	if ( $enabled && ! in_array( '_evf_session_', $settings, true ) ) {
76	?>
77	<div class="error">
78	<p>
79	<?php
80	/* translators: 1: key 2: URL */
81	echo wp_kses_post( sprintf( __( 'In order for <strong>database caching</strong> to work with Everest Forms you must add %1$s to the "Ignored Query Strings" option in <a href="%2$s">W3 Total Cache settings</a>.', 'everest-forms' ), '<code>_evf_session_</code>', esc_url( admin_url( 'admin.php?page=w3tc_dbcache' ) ) ) );
82	?>
83	</p>
84	</div>
85	<?php
86	}
87	}
88	}
89	delete_transient( 'evf_unread_entry_count' );
90	EVF_Cache_Helper::init();
91