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is_site_meta_supported › WordPress Function

Since5.1.0
Deprecatedn/a
› is_site_meta_supported ( No parameters )
Returns:
  • (bool) True if site meta is supported, false otherwise.
Defined at:
Codex:

Determines whether site meta is enabled.

This function checks whether the 'blogmeta' database table exists. The result is saved as a setting for the main network, making it essentially a global setting. Subsequent requests will refer to this setting instead of running the query.


Related Functions: wp_is_https_supported, add_theme_support, wp_check_site_meta_support_prefilter, gd_edit_image_support, wp_timezone_supported

Source 

function is_site_meta_supported() {
	global $wpdb;

	if ( ! is_multisite() ) {
		return false;
	}

	$network_id = get_main_network_id();

	$supported = get_network_option( $network_id, 'site_meta_supported', false );
	if ( false === $supported ) {
		$supported = $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->blogmeta}'" ) ? 1 : 0;

		update_network_option( $network_id, 'site_meta_supported', $supported );
	}

	return (bool) $supported;
}