autoptimize / classes / autoptimizeOptionWrapper.php

autoptimizeOptionWrapper.php in Autoptimize 3.1.12, at classes/autoptimizeOptionWrapper.php

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1	<?php
2	/**
3	* Autoptimize options handler.
4	*/
5
6	if ( ! defined( 'ABSPATH' ) ) {
7	exit;
8	}
9
10	/**
11	* This class takes care of the set and get of option for standalone and multisite WordPress instances.
12	*/
13	class autoptimizeOptionWrapper {
14	/**
15	* Constructor, add filter on saving options.
16	*/
17	public function __construct() {
18	}
19
20	/**
21	* Ensure that is_plugin_active_for_network function is declared.
22	*/
23	public static function maybe_include_plugin_functions() {
24	if ( ! function_exists( 'is_plugin_active_for_network' ) ) {
25	include_once ABSPATH . 'wp-admin/includes/plugin.php';
26	}
27	}
28
29	/**
30	* Retrieves the option in standalone and multisite instances.
31	*
32	* @param string $option Name of option to retrieve. Expected to not be SQL-escaped.
33	* @param mixed $default Optional. Default value to return if the option does not exist.
34	* @return mixed Value set for the option.
35	*/
36	public static function get_option( $option, $default = false ) {
37	if ( is_multisite() && self::is_ao_active_for_network() ) {
38	static $configuration_per_site = null;
39	if ( null === $configuration_per_site \|\| defined( 'TEST_MULTISITE_FORCE_AO_ON_NETWORK' ) ) {
40	$configuration_per_site = get_network_option( get_main_network_id(), 'autoptimize_enable_site_config', 'on' );
41	if ( null === $configuration_per_site ) {
42	// Config per site is off, set as empty string to make sure the var it is not null any more so it can be cached.
43	$configuration_per_site = '';
44	}
45	}
46	} else {
47	// Kind of dummy value as when not on multisite or if AO not network enabled, config is always on site-level.
48	$configuration_per_site = 'on';
49	}
50
51	// This is always a network setting, it is on by default to ensure settings are available at site level unless explicitly turned off.
52	if ( 'autoptimize_enable_site_config' === $option ) {
53	return $configuration_per_site;
54	}
55
56	// If the plugin is network activated and our per site setting is not on, use the network configuration.
57	if ( is_multisite() && self::is_ao_active_for_network() && ( 'on' !== $configuration_per_site \|\| is_network_admin() ) ) {
58	return get_network_option( get_main_network_id(), $option, $default );
59	}
60
61	return get_option( $option, $default );
62	}
63
64	/**
65	* Saves the option in standalone and multisite instances.
66	*
67	* @param string $option Option name. Expected to not be SQL-escaped.
68	* @param mixed $value Option value. Must be serializable if non-scalar. Expected to not be SQL-escaped.
69	* @param string\|bool $autoload Optional. Whether to load the option when WordPress starts up. For existing options,
70	* `$autoload` can only be updated using `update_option()` if `$value` is also changed.
71	* Accepts 'yes'\|true to enable or 'no'\|false to disable. For non-existent options,
72	* the default value is 'yes'. Default null.
73	* @return bool False if value was not updated and true if value was updated.
74	*/
75	public static function update_option( $option, $value, $autoload = null ) {
76	if ( self::is_ao_active_for_network() && is_network_admin() ) {
77	return update_network_option( get_main_network_id(), $option, $value );
78	} elseif ( 'autoptimize_enable_site_config' !== $option ) {
79	return update_option( $option, $value, $autoload );
80	}
81	}
82
83	/**
84	* Use the pre_update_option filter to check if the option to be saved if from autoptimize and
85	* in that case, take care of multisite case.
86	*/
87	public static function check_multisite_on_saving_options() {
88	if ( self::is_ao_active_for_network() ) {
89	add_filter( 'pre_update_option', 'autoptimizeOptionWrapper::update_autoptimize_option_on_network', 10, 3 );
90	}
91	}
92
93	/**
94	* The actual magic to differentiate between network options and per-site options.
95	*
96	* @param mixed $value Option value.
97	* @param string $option Option name.
98	* @param string $old_value Old value.
99	*/
100	public static function update_autoptimize_option_on_network( $value, $option, $old_value ) {
101	if ( strpos( $option, 'autoptimize_' ) === 0 && self::is_options_from_network_admin() ) {
102	if ( self::is_ao_active_for_network() ) {
103	update_network_option( get_main_network_id(), $option, $value );
104	// Return old value, to stop update_option logic.
105	return $old_value;
106	}
107	if ( apply_filters( 'autoptimize_filter_optionwrapper_wp_cache_delete', false ) ) {
108	// in some (rare) cases options seem to get stuck in WP's Object cache, this should clear it there.
109	wp_cache_delete( $option );
110	}
111	}
112	return $value;
113	}
114
115	/**
116	* As options are POST-ed to wp-admin/options.php checking is_network_admin() does not
117	* work (yet). Instead we compare the network_admin_url with the _wp_http_referer
118	* (which should always be available as part of a hidden form field).
119	*/
120	public static function is_options_from_network_admin() {
121	static $_really_is_network_admin = null;
122
123	if ( null === $_really_is_network_admin ) {
124	if ( array_key_exists( '_wp_http_referer', $_POST ) && strpos( network_admin_url( 'settings.php' ), strtok( $_POST['_wp_http_referer'], '?' ) ) !== false ) {
125	$_really_is_network_admin = true;
126	} else {
127	$_really_is_network_admin = false;
128	}
129	}
130
131	return $_really_is_network_admin;
132	}
133
134	/**
135	* Function to check if AO (including beta) is active for network.
136	*/
137	public static function is_ao_active_for_network() {
138	static $_is_ao_active_for_network = null;
139	if ( null === $_is_ao_active_for_network \|\| defined( 'TEST_MULTISITE_FORCE_AO_ON_NETWORK' ) ) {
140	self::maybe_include_plugin_functions();
141	if ( is_plugin_active_for_network( 'autoptimize/autoptimize.php' ) \|\| is_plugin_active_for_network( 'autoptimize-beta/autoptimize.php' ) \|\| defined( 'TEST_MULTISITE_FORCE_AO_ON_NETWORK' ) ) {
142	$_is_ao_active_for_network = true;
143	} else {
144	$_is_ao_active_for_network = false;
145	}
146	}
147	return $_is_ao_active_for_network;
148	}
149	}
150	new autoptimizeOptionWrapper();
151