disco / app / Utility / Cache.php

Cache.php in Discount Rules for WooCommerce – Disco | Dynamic Pricing, Conditions, Bulk, Bundle, BOGO 1.4.14, at app/Utility/Cache.php

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1	<?php
2	/**
3	* Cache Utility
4	*
5	* @package Disco
6	* @subpackage App\Utility
7	* @since 1.0.0
8	* @category Utility
9	*/
10
11	namespace Disco\App\Utility;
12
13	/**
14	* Class Cache
15	*
16	* @package Disco
17	* @subpackage App\Utility
18	* @author Ohidul Islam <wahid0003@gmail.com>
19	* @link https://webappick.com
20	* @license https://opensource.org/licenses/gpl-license.php GNU Public License
21	* @category Utility
22	*/
23	class Cache {
24
25	const DISCO_CACHE_PREFIX = 'disco_';// phpcs:ignore
26
27	/**
28	* Get Cached Data
29	* If cache not found then call callback function or method, cache the data and return data.
30	* If callback is not callable then return false.
31	*
32	* @param string $key Cache Name.
33	* @param array\|null $callback Callback function or method.
34	* @param array $args Callback arguments.
35	* @return mixed\|false false if cache not found.
36	* @since 1.0.0
37	*/
38	public static function remember( $key, $callback = null, $args = array() ) {
39	$key = self::sanitize_key( $key );
40
41	$data = wp_cache_get( $key, DISCO_TEXTDOMAIN );
42
43	if ( false === $data && $callback && is_callable( $callback ) ) {
44	$data = call_user_func( $callback, ...$args );
45
46	if ( ! is_wp_error( $data ) ) {
47	wp_cache_set( $key, $data, DISCO_TEXTDOMAIN );
48	}
49	}
50
51	return $data;
52	}
53
54	/**
55	* Set Cached Data
56	*
57	* @param string $key Cache name. Expected to not be SQL-escaped. Must be
58	* 172 characters or fewer.
59	* @param mixed $data Data to cache.
60	* @param int\|bool $expiration Optional. Time until expiration in seconds. Default 0 (no expiration).
61	* @return bool
62	*/
63	public static function set( $key, $data, $expiration = false ) {
64	$key = self::sanitize_key( $key );
65
66	self::forget( $key );
67
68	if ( $expiration && ! is_numeric( $expiration ) ) {
69	$expiration = PHP_INT_MAX;
70	} elseif ( is_numeric( $expiration ) ) {
71	$expiration = time() + $expiration;
72	} else {
73	$expiration = 0;
74	}
75
76	return wp_cache_set( $key, $data, DISCO_TEXTDOMAIN, $expiration );
77	}
78
79	/**
80	* Retrieve and subsequently delete a value from the object cache.
81	*
82	* @param string $key The cache key.
83	* @param string $group Optional. The cache group. Default is empty.
84	* @param mixed $default_value Optional. The default value to return if the given key doesn't
85	* exist in the object cache. Default is null.
86	* @return mixed The cached value, when available, or $default.
87	*/
88	public static function forget( $key, $group = '', $default_value = null ) {
89	$found = false;
90	$cached = wp_cache_get( $key, $group, false, $found );
91
92	if ( false !== $found ) {
93	wp_cache_delete( $key, $group );
94
95	return $cached;
96	}
97
98	return $default_value;
99	}
100
101	/**
102	* Delete All Cached Data
103	*
104	* @return bool
105	*/
106	public static function flush() {
107	$disco_keys = wp_cache_get( 'disco_cache_keys', DISCO_TEXTDOMAIN );
108
109	if ( ! is_array( $disco_keys ) ) {
110	return false;
111	}
112
113	foreach ( $disco_keys as $key ) {
114	wp_cache_delete( $key, DISCO_TEXTDOMAIN );
115	}
116
117	return true;
118	}
119
120	/**
121	* Sanitize Cache Key
122	* Remove all non-alphanumeric characters.
123	*
124	* @param string $key Cache Name.
125	* @return string
126	*/
127	public static function sanitize_key( $key ) {
128	if ( empty( $key ) ) {
129	return self::DISCO_CACHE_PREFIX;
130	}
131
132	// Remove repeated cache prefix.
133	$key = str_replace( self::DISCO_CACHE_PREFIX, '', $key );
134	// Set cache prefix
135	$key = self::DISCO_CACHE_PREFIX . $key;
136	// Remove all non-alphanumeric characters.
137	$key = sanitize_key( $key );
138
139	// Cache disco keys to flush later.
140	$disco_keys = wp_cache_get( 'disco_cache_keys', DISCO_TEXTDOMAIN );
141
142	if ( false === $disco_keys ) {
143	$disco_keys = array( $key );
144	} elseif ( is_array( $disco_keys ) && ! in_array( $key, $disco_keys, true ) ) {
145	$disco_keys[] = $key;
146	}
147
148	wp_cache_set( 'disco_cache_keys', $disco_keys, DISCO_TEXTDOMAIN );
149
150	return $key;
151	}
152
153	}
154