uqbirthday

// WP_User_Query arguments
$args = array(
	'order'          => 'ASC',
	'orderby'        => 'id',
	'meta_query'     => array(
		'relation' => 'AND',
		array(
			'key'     => 'next_ad_int_user_disabled',
			'value'   => '1',
			'type'    => 'NUMERIC',
		),
		array(
			'key'     => 'next_ad_int_adusr_birthday',
			'compare' => 'EXISTS',
			'type'    => 'CHAR',
		),
	),
	'fields'         => array( 'id', 'next_ad_int_displayname', 'next_ad_int_aduser_jobcity', 'next_ad_int_adusr_birthday' ),
);

// The User Query
$user_query_birthday = new WP_User_Query( $args );