Robzelf

function get_cat( $_slug ) {
	
	$_categories = get_terms( 'category',  array( 'hide_empty' => false, 'order' => 'ASC' ) );
	$_result     = array_values( array_filter( $_categories, function($obj){
		
		if (isset($obj->slug)) {
			if( $obj->slug == [needle] ):
				$_term_id = $obj->term_id;
				return true;
			endif;

Robzelf

page_through_array: function( page_size, page_number ) {
 
  return = _array.slice( ( page_number - 1 ) * page_size, page_number * page_size );
}

Robzelf

$_args = array (           

  'post_type'         => %post_type%,
  'tax_query'        	=> array (

    array ( 'taxonomy'   => %tax_name%, 'field'=> 'term_id', 'terms' => %term_id%  ),
  ),

  'meta_query'		=> array (

Robzelf

function update_agenda_archive($query) {    
	if ( !is_admin() && $query->is_post_type_archive('agenda') ) {
		
		$_today = date('Ymd');
	 	
		$query->set('meta_key', 'event__start_date');	 
		$query->set('orderby', 'meta_value_num');	 
		$query->set('order', 'ASC'); 
		$query->set('meta_query', array(
			array(

Robzelf

function update_archive( $query ) {
	
	$query->set('meta_query' , array(
		'day_clause' => array( 'key' => 'event__day' ),		
		'time_clause' => array( 'key' => 'event__start_time' )));

	$query->set('orderby' , array( 'day_clause' => 'ASC', 'time_clause' => 'ASC' ));
}

add_action( 'pre_get_posts', 'update_archive' );