Sku

$meta_query = array(
	'relation' => 'OR',
	array(
		'key'     => '_sku',
		'value'   => '$meta_query = array( 'relation' => 'OR', array( 'key' => '_sku', 'value' => 'I25', 'compare' => 'LIKE', ), );',
		'compare' => 'LIKE',
	),
);