wordpress-query-products-n-shit-liners-and-covers.php

<?php

preg_match("/\d+(\.\d+)?x\d+(\.\d+)?/", $q, $new);
	if ($new && $new[0]) {
		$q = str_replace("x", " x ", $new[0]);
	}

	$args = array(
		'posts_per_page' => 24,
		'limit' => -1,
		'paged' => $paged,
		'post_status' => 'publish',
		'post_type' => 'product_variation',
		'meta_key'   => '_price',
		// 'order'      => 'ASC',
		// 'orderby'	=> 'meta_value_num title size_clause',
		'orderby' => array( 
			'title' => 'ASC',
			'size_clause' => ($size === 'lowest' || !$size ) ? 'ASC' : 'DESC',
			'meta_value_num' => ($price === 'lowest' || !$price ) ? 'ASC' : 'DESC',
		),
		'post_parent' => $pc,
		'sentence' => true,
		's' => $q
	);
	$custom_query = new WP_Query($args);
	if ($custom_query->found_posts == 0) {
		unset($args['s']);
		$args['meta_query'] = array(
			'relation' => 'OR',
			'size_clause' => array(
				'key' => 'attribute_pa_size',
				'value' => $q,
				'compare' => 'LIKE'
			),
			// TODO::: Check if $q contains "mil" or "ml" and strip...
			// TODO::: Save the search params in the URL to visually show correct dropdown values
			// 'mil_clause' => array(
			// 	'key' => 'attribute_pa_mil',
			// 	'value' => $q,
			// 	'compare' => 'LIKE'
			// )
		);
	}
	$custom_query = new WP_Query($args);