wpdb::escape_by_ref │ public │ WP 2.3.0

Escapes content by reference for insertion into the database, for security.

Method of the class: wpdb{}

No Hooks.

Returns

null. Nothing (null).

Usage

global $wpdb;
$wpdb->escape_by_ref( $data );
$data(string) (required) (passed by reference — &)
String to escape.

Changelog

Since 2.3.0 Introduced.

wpdb::escape_by_ref() code WP 6.8.1

wp-includes/class-wpdb.php 
public function escape_by_ref( &$data ) {
	if ( ! is_float( $data ) ) {
		$data = $this->_real_escape( $data );
	}
}