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<?php

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namespace TwitterFeed\Admin;

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if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

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/**

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* Custom Twitter Feed Cache Handler.

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* @since 2.0

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class CTF_Cache_Handler {

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/**

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* Clears all cache.

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* @return void

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public function clear_all_cache() {

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$this->clear_db_caches();

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$this->clear_third_party_caches();

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}

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/**

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* Clear the stored caches from the database.

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* @since 2.0

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public function clear_db_caches() {

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global $wpdb;

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$cache_table_name = $wpdb->prefix . 'ctf_feed_caches';

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$sql = "UPDATE $cache_table_name

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SET cache_value = ''

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WHERE cache_key NOT LIKE 'ctf_!_%';";

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$wpdb->query( $sql );

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$sql = "DELETE FROM $cache_table_name

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WHERE feed_id LIKE '%_CUSTOMIZER';";

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$wpdb->query( $sql );

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$this->clear_legacy_caches();

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}

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public function clear_single_feed_cache( $feed_id ) {

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global $wpdb;

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$cache_table_name = $wpdb->prefix . 'ctf_feed_caches';

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$wpdb->query( $wpdb->prepare(

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"UPDATE $cache_table_name

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SET cache_value = ''

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WHERE cache_key NOT LIKE 'ctf_!_%'

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AND feed_id = %s;", $feed_id

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) );

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$wpdb->query( $wpdb->prepare(

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"UPDATE $cache_table_name

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SET cache_value = ''

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WHERE cache_key NOT LIKE 'ctf_!_%'

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AND feed_id = %s;", $feed_id . '_CUSTOMIZER'

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) );

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$wpdb->query( $wpdb->prepare(

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"UPDATE $cache_table_name

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SET last_updated = '2000-04-04 00:00:00'

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WHERE cache_key NOT LIKE 'ctf_!_%'

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AND feed_id = %s;", $feed_id . '_CUSTOMIZER'

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) );

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$wpdb->query( $wpdb->prepare(

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"UPDATE $cache_table_name

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SET last_updated = '2000-04-04 00:00:00'

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WHERE cache_key NOT LIKE 'ctf_!_%'

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AND feed_id = %s;", $feed_id

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) );

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}

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public function clear_legacy_caches() {

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global $wpdb;

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$cache_table_name = $wpdb->prefix . 'ctf_feed_caches';

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$sql = "UPDATE $cache_table_name

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SET cache_value = ''

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WHERE feed_id = 'legacy';";

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$wpdb->query( $sql );

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global $wpdb;

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//Delete all CTF transients

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$table_name = $wpdb->prefix . "options";

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$wpdb->query( "

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DELETE

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FROM $table_name

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WHERE `option_name` LIKE ('%\_transient\_ctf\_%')

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" );

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$wpdb->query( "

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DELETE

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FROM $table_name

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WHERE `option_name` LIKE ('%\_transient\_timeout\_ctf\_%')

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" );

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$wpdb->query( "

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DELETE

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FROM $table_name

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WHERE `option_name` LIKE ('%\_transient\_&ctf\_%')

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" );

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$wpdb->query( "

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DELETE

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FROM $table_name

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WHERE `option_name` LIKE ('%\_transient\_timeout\_&ctf\_%')

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" );

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$wpdb->query( "

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DELETE

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FROM $table_name

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WHERE `option_name` LIKE ('%\_transient\_\$ctf\_%')

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" );

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$wpdb->query( "

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DELETE

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FROM $table_name

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WHERE `option_name` LIKE ('%\_transient\_timeout\_\$ctf\_%')

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" );

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}

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/**

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* Clears the third party cache.

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* When certain events occur, page caches need to

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* clear or errors occur or changes will not be seen

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* @since 2.0

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public function clear_third_party_caches() {

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/**

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* Filters whether to clear page caches.

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* @since 2.0

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* @param bool Whether to clear cache.

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$clear_page_caches = apply_filters( 'ctf_clear_page_caches', true );

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if ( ! $clear_page_caches ) {

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return;

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}

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// Clear WP Fastest Cache.

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if ( isset( $GLOBALS['wp_fastest_cache'] ) && method_exists( $GLOBALS['wp_fastest_cache'], 'deleteCache' ) ){

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$GLOBALS['wp_fastest_cache']->deleteCache();

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}

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// Clear WP Super Cache

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if ( function_exists( 'wp_cache_clear_cache' ) ) {

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wp_cache_clear_cache();

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}

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// Clear W3 Total Cache.

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if ( class_exists('W3_Plugin_TotalCacheAdmin') && function_exists( 'w3_instance' ) ) {

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$plugin_total_cache_admin = &w3_instance('W3_Plugin_TotalCacheAdmin');

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$plugin_total_cache_admin->flush_all();

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}

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// Clear WP Rocket cache.

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if ( function_exists( 'rocket_clean_domain' ) ) {

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rocket_clean_domain();

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}

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}

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/**

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* Clear the stored caches from the database.

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* @since 2.0

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public function clear_persistent_cache() {

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global $wpdb;

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$cache_table_name = $wpdb->prefix . 'ctf_feed_caches';

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$sql = "UPDATE $cache_table_name

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SET cache_value = ''";

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$wpdb->query( $sql );

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}

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}

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