mysqli_init Initializes MySQLi and returns a resource for use with mysqli_real_connect() mysqlimysqli_init Allocates or initializes a MYSQL object suitable for mysqli_options and mysqli_real_connect. Any subsequent calls to any mysqli function (except mysqli_options) will fail until mysqli_real_connect was called. &reftitle.returnvalues; Returns an object. &reftitle.seealso; mysqli_options, mysqli_close, mysqli_real_connect&listendand; mysqli_connect.