eventespresso / event-espresso-core

		$fn = (array) $field_name;

		$args = array_merge( $fn, (array) $args );

		if ( ! method_exists( $this, $callback ) ) {

			throw new EE_Error(

				sprintf(

					__(

						'The method named "%s" given as the callback param in "display_in_my_timezone" does not exist.  Please check your spelling',

		// each context defined to handle the processing of the data object within them

		foreach ( $this->_contexts as $context => $details ) {

			$xpctd_method = '_' . $context . '_addressees';

			if ( ! method_exists( $this, $xpctd_method ) ) {

				throw new EE_Error(

					sprintf(

						__(

							'The data for %1$s message type cannot be prepared because there is no set method for doing so.  The expected method name is "%2$s" please doublecheck the %1$s message type class and make sure that method is present',

		}

		/** @type WPDB $wpdb */

		global $wpdb;

		if( ! method_exists( $wpdb, $wpdb_method ) ){

			throw new EE_Error( sprintf( __( 'There is no method named "%s" on Wordpress\' $wpdb object','event_espresso' ), $wpdb_method ) );

		}

		if( WP_DEBUG ){

			$old_show_errors_value = $wpdb->show_errors;

			$wpdb->show_errors( FALSE );