Tax in

Multiple tax searchs

$tax_query = array(
	'relation' => 'OR',
	array(
		'taxonomy'         => 'tax',
		'terms'            => '$tax',
		'field'            => 'slug',
		'operator'         => 'IN',
	),
	array(
		'taxonomy'         => 'tax1',
		'terms'            => '$tax1',
		'field'            => 'slug',
		'operator'         => 'IN',
	),
	array(
		'taxonomy'         => 'tax2',
		'terms'            => '$tax2',
		'field'            => 'slug',
		'operator'         => 'IN',
	),
	array(
		'taxonomy'         => 'tax3',
		'terms'            => '$tax3',
		'field'            => 'slug',
		'operator'         => 'IN',
	),
	array(
		'taxonomy'         => 'tax4',
		'terms'            => '$tax4',
		'field'            => 'slug',
		'operator'         => 'IN',
	),
);