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DP – filtr

$meta_query = array(
	'relation' => 'AND',
	array(
		'key'     => 'urceni_kurzu',
		'value'   => '$urceni_kurzu',
		'compare' => 'IN',
		'type'    => 'CHAR',
	),
	array(
		'key'     => 'clenstvi_kurz',
		'value'   => '$clenstvi_kurz',
		'compare' => 'IN',
		'type'    => 'CHAR',
	),
	array(
		'key'     => 'typ_kurzu',
		'value'   => '$typ_kurzu',
		'compare' => 'IN',
		'type'    => 'CHAR',
	),
);