wp_cache_check_site() │ WPSCache 1.0

No Hooks.

Return

null. Nothing (null).

Usage

wp_cache_check_site();

wp_cache_check_site() wp cache check site code ^{WPSCache 1.12.4}

function wp_cache_check_site() {
	global $wp_super_cache_front_page_check, $wp_super_cache_front_page_clear, $wp_super_cache_front_page_text, $wp_super_cache_front_page_notification, $wpdb;

	if ( !isset( $wp_super_cache_front_page_check ) || ( isset( $wp_super_cache_front_page_check ) && $wp_super_cache_front_page_check == 0 ) ) {
		return false;
	}

	if ( function_exists( "wp_remote_get" ) == false ) {
		return false;
	}
	$front_page = wp_remote_get( site_url(), array('timeout' => 60, 'blocking' => true ) );
	if( is_array( $front_page ) ) {
		// Check for gzipped front page
		if ( $front_page[ 'headers' ][ 'content-type' ] == 'application/x-gzip' ) {
			if ( !isset( $wp_super_cache_front_page_clear ) || ( isset( $wp_super_cache_front_page_clear ) && $wp_super_cache_front_page_clear == 0 ) ) {
				wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is gzipped! Please clear cache!', 'wp-super-cache' ), home_url() ), sprintf( __( "Please visit %s to clear the cache as the front page of your site is now downloading!", 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ) ) );
			} else {
				wp_cache_clear_cache( $wpdb->blogid );
				wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is gzipped! Cache Cleared!', 'wp-super-cache' ), home_url() ), sprintf( __( "The cache on your blog has been cleared because the front page of your site is now downloading. Please visit %s to verify the cache has been cleared.", 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ) ) );
			}
		}

		// Check for broken front page
		if (
			! empty( $wp_super_cache_front_page_text )
			&& ! str_contains( $front_page['body'], $wp_super_cache_front_page_text )
		) {
			if ( !isset( $wp_super_cache_front_page_clear ) || ( isset( $wp_super_cache_front_page_clear ) && $wp_super_cache_front_page_clear == 0 ) ) {
				wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is not correct! Please clear cache!', 'wp-super-cache' ), home_url() ), sprintf( __( 'Please visit %1$s to clear the cache as the front page of your site is not correct and missing the text, "%2$s"!', 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ), $wp_super_cache_front_page_text ) );
			} else {
				wp_cache_clear_cache( $wpdb->blogid );
				wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is not correct! Cache Cleared!', 'wp-super-cache' ), home_url() ), sprintf( __( 'The cache on your blog has been cleared because the front page of your site is missing the text "%2$s". Please visit %1$s to verify the cache has been cleared.', 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ), $wp_super_cache_front_page_text ) );
			}
		}
	}
	if ( isset( $wp_super_cache_front_page_notification ) && $wp_super_cache_front_page_notification == 1 ) {
		wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page check!', 'wp-super-cache' ), home_url() ), sprintf( __( "WP Super Cache has checked the front page of your blog. Please visit %s if you would like to disable this.", 'wp-super-cache' ) . "\n\n", admin_url( 'options-general.php?page=wpsupercache' ) ) );
	}

	if ( !wp_next_scheduled( 'wp_cache_check_site_hook' ) ) {
		wp_schedule_single_event( time() + 360 , 'wp_cache_check_site_hook' );
		wp_cache_debug( 'scheduled wp_cache_check_site_hook for 360 seconds time.', 2 );
	}
}