Completed
Push — master ( c92350...ab0c5b )
by frank
01:42
created

update_autoptimize_option_on_network()   A

Complexity

Conditions 5
Paths 4

Size

Total Lines 14

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 5
nc 4
nop 3
dl 0
loc 14
rs 9.4888
c 0
b 0
f 0
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<?php
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/**
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 * Autoptimize options handler.
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 */
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if ( ! defined( 'ABSPATH' ) ) {
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    exit;
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}
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/**
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 * This class takes care of the set and get of option for standalone and multisite WordPress instances.
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 */
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class autoptimizeOptionWrapper {
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    /**
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     * Constructor, add filter on saving options.
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     */
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    public function __construct() {
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    }
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    /**
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     * Ensure that is_plugin_active_for_network function is declared.
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     */
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    public static function maybe_include_plugin_functions() {
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        if ( ! function_exists( 'is_plugin_active_for_network' ) ) {
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            include_once ABSPATH . 'wp-admin/includes/plugin.php';
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        }
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    }
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    /**
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     * Retrieves the option in standalone and multisite instances.
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     *
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     * @param string $option  Name of option to retrieve. Expected to not be SQL-escaped.
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     * @param mixed  $default Optional. Default value to return if the option does not exist.
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     * @return mixed Value set for the option.
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     */
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    public static function get_option( $option, $default = false ) {
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        // This is always a network setting.
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        if ( 'autoptimize_enable_site_config' === $option ) {
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            return get_network_option( get_main_network_id(), $option );
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        }
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        // If the plugin is network activated and our per site setting is not on, use the network configuration.
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        $configuration_per_site = get_network_option( get_main_network_id(), 'autoptimize_enable_site_config' );
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        if ( self::is_ao_active_for_network() && ( 'on' !== $configuration_per_site || is_network_admin() ) ) {
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            return get_network_option( get_main_network_id(), $option );
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        }
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        return get_option( $option, $default );
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    }
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    /**
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     * Saves the option in standalone and multisite instances.
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     *
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     * @param string      $option   Option name. Expected to not be SQL-escaped.
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     * @param mixed       $value    Option value. Must be serializable if non-scalar. Expected to not be SQL-escaped.
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     * @param string|bool $autoload Optional. Whether to load the option when WordPress starts up. For existing options,
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     *                              `$autoload` can only be updated using `update_option()` if `$value` is also changed.
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     *                              Accepts 'yes'|true to enable or 'no'|false to disable. For non-existent options,
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     *                              the default value is 'yes'. Default null.
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     * @return bool False if value was not updated and true if value was updated.
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     */
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    public static function update_option( $option, $value, $autoload = null ) {
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        if ( self::is_ao_active_for_network() && is_network_admin() ) {
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            return update_network_option( get_main_network_id(), $option, $value );
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        } elseif ( 'autoptimize_enable_site_config' !== $option ) {
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            return update_option( $option, $value, $autoload );
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        }
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    }
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    /**
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     * Use the pre_update_option filter to check if the option to be saved if from autoptimize and
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     * in that case, take care of multisite case.
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     */
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    public static function check_multisite_on_saving_options() {
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        if ( self::is_ao_active_for_network() ) {
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            add_filter( 'pre_update_option', 'autoptimizeOptionWrapper::update_autoptimize_option_on_network', 10, 3 );
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        }
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    }
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    /**
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     * The actual magic to differentiate between network options and per-site options.
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     *
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     * @param mixed  $value     Option value.
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     * @param string $option    Option name.
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     * @param string $old_value Old value.
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     */
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    public static function update_autoptimize_option_on_network( $value, $option, $old_value ) {
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        if ( strpos( $option, 'autoptimize_' ) === 0 && self::is_options_from_network_admin() ) {
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            if ( self::is_ao_active_for_network() ) {
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                update_network_option( get_main_network_id(), $option, $value );
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                // Return old value, to stop update_option logic.
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                return $old_value;
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            }
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            if ( apply_filters( 'autoptimize_filter_optionwrapper_wp_cache_delete', false ) ) {
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                // in some (rare) cases options seem to get stuck in WP's Object cache, this should clear it there.
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                wp_cache_delete( $option );
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            }
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        }
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        return $value;
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    }
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    /**
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     * As options are POST-ed to wp-admin/options.php checking is_network_admin() does not
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     * work (yet). Instead we compare the network_admin_url with the _wp_http_referer
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     * (which should always be available as part of a hidden form field).
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     */
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    public static function is_options_from_network_admin() {
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        static $_really_is_network_admin = null;
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        if ( null === $_really_is_network_admin ) {
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            if ( array_key_exists( '_wp_http_referer', $_POST ) && strpos( network_admin_url( 'settings.php' ), strtok( $_POST['_wp_http_referer'], '?' ) ) !== false ) {
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                $_really_is_network_admin = true;
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            } else {
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                $_really_is_network_admin = false;
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            }
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        }
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        return $_really_is_network_admin;
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    }
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    /**
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     * Function to check if AO (including beta) is active for network.
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     */
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    public static function is_ao_active_for_network() {
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        static $_is_ao_active_for_network = null;
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        if ( null === $_is_ao_active_for_network || defined( 'TEST_MULTISITE_FORCE_AO_ON_NETWORK' ) ) {
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            self::maybe_include_plugin_functions();
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            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' ) ) {
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                $_is_ao_active_for_network = true;
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            } else {
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                $_is_ao_active_for_network = false;
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            }
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        }
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        return $_is_ao_active_for_network;
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    }
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}
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new autoptimizeOptionWrapper();
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