Akıllı Defter LOOP

// WP_Query arguments
$args = array (
	'category_name'          => '1-sinif,2-sinif,3-sinif,4-sinif',
	'pagination'             => false,
	'posts_per_page'         => '10',
	'order'                  => 'ASC',
	'orderby'                => 'date',
);

// The Query
$query = new WP_Query( $args );