search text

$meta_query = array(
	array(
		'key'     => 'first_name',
		'value'   => 'barack',
		'compare' => 'LIKE',
	),
	array(
		'key'     => 'last_name',
		'value'   => 'barack',
		'compare' => 'LIKE',
	),
	array(
		'key'     => 'fm_user_public_description',
		'value'   => 'barack',
		'compare' => 'LIKE',
	),
	array(
	),
);