ezcache / includes / PremiumFeatures.php

PremiumFeatures.php in ezCache 2.5.2, at includes/PremiumFeatures.php

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1	<?php
2	/**
3	* Premium Feature Gate
4	*
5	* Central function to check if a feature requires premium.
6	* Uses Freemius license OR built-in 7-day trial from activation.
7	*/
8
9	namespace Upress\EzCache;
10
11	class PremiumFeatures {
12
13	const TRIAL_DAYS = 7;
14	const TRIAL_OPTION = 'ezcache_trial_started';
15
16	/**
17	* Features that require premium license
18	*/
19	private static $premium_features = [
20	// CSS/JS optimization
21	'minify_css',
22	'combine_css',
23	'combine_css_footer',
24	'minify_js',
25	'combine_head_js',
26	'combine_body_js',
27	'combine_head_inline_js',
28	'combine_body_inline_js',
29	'minify_inline_js',
30	'minify_inline_css',
31	'critical_css',
32	'optimize_google_fonts',
33	'defer_js',
34	'remove_query_strings',
35
36	// WebP
37	'enable_webp_support',
38
39	// Preload
40	'enable_preload',
41	'preload_on_cache_clear',
42
43	// CDN
44	'cdn_enabled',
45
46	// Heartbeat & DNS
47	'heartbeat_control',
48	'dns_prefetch',
49	'preconnect',
50
51	// Database cleanup
52	'db_cleanup_revisions',
53	'db_cleanup_auto_drafts',
54	'db_cleanup_trashed_posts',
55	'db_cleanup_spam_comments',
56	'db_cleanup_trashed_comments',
57	'db_cleanup_expired_transients',
58	'db_cleanup_orphan_postmeta',
59	'db_optimize_tables',
60	'db_cleanup_schedule',
61
62	// Redis (2.2.0+)
63	'enable_redis_object_cache',
64	'enable_redis_fullpage',
65
66	// Critical CSS (2.2.0+)
67	'enable_critical_css',
68	];
69
70	/**
71	* No-op — trial system removed. Pro is unlocked for everyone.
72	* Also cleans up legacy trial option from previous installs.
73	*/
74	public static function maybe_start_trial() {
75	if ( get_option( self::TRIAL_OPTION ) ) {
76	delete_option( self::TRIAL_OPTION );
77	}
78	}
79
80	/**
81	* Legacy stub — trial system removed. Always returns false.
82	* @return bool
83	*/
84	public static function is_builtin_trial() {
85	return false;
86	}
87
88	/**
89	* Legacy stub — trial system removed. Always returns 0.
90	* @return int
91	*/
92	public static function trial_days_remaining() {
93	return 0;
94	}
95
96	/**
97	* Check if user has premium access.
98	* Licensing system removed — Pro is unlocked for everyone.
99	* @return bool
100	*/
101	public static function is_premium() {
102	return true;
103	}
104
105	/**
106	* Check if a specific feature requires premium
107	* @param string $feature
108	* @return bool
109	*/
110	public static function is_premium_feature( $feature ) {
111	return in_array( $feature, self::$premium_features, true );
112	}
113
114	/**
115	* Check if a feature is available (either free or user has premium)
116	* @param string $feature
117	* @return bool
118	*/
119	public static function is_feature_available( $feature ) {
120	if ( ! self::is_premium_feature( $feature ) ) {
121	return true; // Free feature
122	}
123	return self::is_premium();
124	}
125
126	/**
127	* Get list of premium features
128	* @return array
129	*/
130	public static function get_premium_features() {
131	return self::$premium_features;
132	}
133
134	/**
135	* No-op — Pro is unlocked for everyone, so settings pass through unchanged.
136	* @param object $settings
137	* @return object
138	*/
139	public static function enforce_settings( $settings ) {
140	return $settings;
141	}
142	}
143