'', 'verification_code' => '', 'auto_ad_posts_before_content' => 'disabled', 'auto_ad_posts_after_p1' => 'disabled', 'auto_ad_posts_after_p2' => 'disabled', 'auto_ad_posts_after_p3' => 'disabled', 'auto_ad_posts_mid_content' => 'disabled', 'auto_ad_posts_after_content' => 'disabled', 'auto_ad_pages_before_content' => 'disabled', 'auto_ad_pages_after_content' => 'disabled', 'auto_ad_homepage_before_content' => 'disabled', 'auto_ad_homepage_after_content' => 'disabled', 'enable_vignette' => 0, 'enable_anchor' => 0, 'enable_sticky_bar' => 0, ); update_option( ADCAVER_HELPER_OPTION_NAME, $default_settings ); } } /** * The code that runs during plugin deactivation. */ function adcaver_helper_deactivate() { // Optional: Add deactivation cleanup if needed in the future. } register_activation_hook( __FILE__, 'adcaver_helper_activate' ); register_deactivation_hook( __FILE__, 'adcaver_helper_deactivate' ); /** * Retrieves the saved verification code and prints the meta tag in the . * * This function is hooked into 'wp_head'. */ function adcaver_add_verification_tag_to_head() { // Get all the saved settings for your plugin $options = get_option( ADCAVER_HELPER_OPTION_NAME ); // Check if the 'verification_code' field is set and is not empty if ( ! empty( $options['verification_code'] ) ) { // Get the raw verification code $verification_code = $options['verification_code']; // This is the meta tag name your main plugin (Zeal Ad Manager) is looking for. $meta_tag_name = 'zeal-ad-verification'; // Print the full meta tag to the head, using printf for secure escaping. echo "\n\n"; printf( '' . "\n", esc_attr( $meta_tag_name ), esc_attr( $verification_code ) ); } } /** * Register the function to run on the 'wp_head' action. */ add_action( 'wp_head', 'adcaver_add_verification_tag_to_head' ); /** * Attempts to purge site-wide caches when the plugin settings are saved. * * This ensures that external verifiers (like the main plugin) receive * the fresh page with the new verification tag. * * @param mixed $old_value The old option value. * @param mixed $new_value The new option value. */ function adcaver_purge_caches_on_settings_save( $old_value, $new_value ) { // Check if the verification code has actually changed. $old_code = isset( $old_value['verification_code'] ) ? $old_value['verification_code'] : ''; $new_code = isset( $new_value['verification_code'] ) ? $new_value['verification_code'] : ''; if ( $old_code === $new_code ) { // Don't purge if the code hasn't changed. return; } // WP Rocket if ( function_exists( 'rocket_clean_domain' ) ) { rocket_clean_domain(); } // W3 Total Cache if ( function_exists( 'w3tc_pgcache_flush' ) ) { w3tc_pgcache_flush(); } // WP Super Cache if ( function_exists( 'wp_cache_clear_cache' ) ) { wp_cache_clear_cache(); } // LiteSpeed Cache if ( method_exists( 'LiteSpeed_Cache_API', 'purge_all' ) ) { LiteSpeed_Cache_API::purge_all(); } // WP Fastest Cache if ( function_exists( 'wpfc_clear_all_cache' ) ) { wpfc_clear_all_cache( true ); } // SiteGround Optimizer if ( function_exists( 'sg_cachepress_purge_cache' ) ) { sg_cachepress_purge_cache(); } // Kinsta if ( class_exists( '\Kinsta\Cache' ) && method_exists( '\Kinsta\Cache', 'purge_cache_full' ) ) { \Kinsta\Cache::purge_cache_full(); } // WP Engine if ( class_exists( 'WPECommon' ) && method_exists( 'WPECommon', 'purge_memcached' ) ) { WPECommon::purge_memcached(); } if ( class_exists( 'WPECommon' ) && method_exists( 'WPECommon', 'purge_varnish_cache' ) ) { WPECommon::purge_varnish_cache(); } // Default WordPress Object Cache if ( function_exists( 'wp_cache_flush' ) ) { wp_cache_flush(); } } /** * Register the cache purge function to run when our settings are updated. */ add_action( 'update_option_' . ADCAVER_HELPER_OPTION_NAME, 'adcaver_purge_caches_on_settings_save', 10, 2 ); /** * Begins execution of the plugin. * * @since 1.0.0 */ function adcaver_helper_run() { $plugin = new Adcaver_Helper_Loader(); $plugin->run(); } adcaver_helper_run();