Customized Product Query using WP_Query - WooCommerce

The WordPress have a nice class - WP_Query & I’m regularly using that one to make customized query on my post entries. The entries may be posts, pages or custom post type entries.

In one of my recent WooCommerce project, I have to fetch & display products as per specific parameters. The WooCommerce have some nice option to fetch & filter the products. But our client requirement is extremely higher than this default options.

So to get extreme filtering, I have used WP_Query and it make some sense.

Below I have added few sample code to fetch products with WP_Query. I believe that it is a good reference for my upcoming projects.

$params = array(
	'posts_per_page' => 5, //No of product to be fetched
	'post_type' => 'product'
);

$wc_query = new WP_Query($params);
if ($wc_query->have_posts()) :
	while ($wc_query->have_posts()) :
		$wc_query->the_post();
		?>
		<?php the_title(); ?>
<?php
	endwhile;
		wp_reset_postdata();
else:  ?>
	<p><?php _e( 'No Products' );?></p>	
<?php endif;

We have to update our query parameter as per the conditions.

Display products in a specific product types only

The product type in WooCommerce is a custom taxonomy, so we have to add taxonomy parameters in our query.

$params = array(
	'posts_per_page' => 5,
	'post_type' => 'product',
	'tax_query' => array(
		array(
			'taxonomy' => 'product_type',
			'field'    => 'slug',
			'terms'    => 'our_type', 
		),
	),
);

If you plan to use your own custom product types in WooCommerce, the terms argument is the same as in the $this->product_type = 'our_type' part of our new product type’s class constructor.

Display products with sale price

$params = array(
	'posts_per_page' => 5,
	'post_type' => 'product',
	'meta_key' => '_sale_price',
	'meta_value' => '0',
	'meta_compare' => '>='
);

Display products that have a sale price for product variation

$params = array(
	'posts_per_page' => 5,
	'post_type' => array('product', 'product_variation'),
	'meta_key' => '_sale_price',
	'meta_value' => 0,
	'meta_compare' => '>='
	'meta_type' => 'NUMERIC'
);

Display products that have a price below a value

The below example display products thats price below than 5.

$params = array(
	'posts_per_page' => 5,
	'post_type' => array('product', 'product_variation'),
	'meta_query' => array(
		'relation' => 'OR',
		array(
			'key' => '_price',
			'value' => 5,
			'compare' => '<=',
			'type' => 'NUMERIC'
		),
		array(
			'key' => '_sales_price',
			'value' => 5,
			'compare' => '<=',
			'type' => 'NUMERIC'
		)
	)
);

Display products in a given price range

The price range will be 10 - 15 and the below code will display few products in this price range.

$params = array(
    'posts_per_page' => 5,
    'post_type' => array('product', 'product_variation'),
    'meta_query' => array(
        'relation' => 'OR',
        array(
            array(
                'key' => '_price',
                'value' => 10,
                'compare' => '>=',
                'type' => 'NUMERIC'
            ),
            array(
                'key' => '_price',
                'value' => 15,
                'compare' => '<=',
                'type' => 'NUMERIC'
            )
        ),
        array(
            array(
                'key' => '_sale_price',
                'value' => 10,
                'compare' => '>=',
                'type' => 'NUMERIC'
            ),
            array(
                'key' => '_sale_price',
                'value' => 15,
                'compare' => '<=',
                'type' => 'NUMERIC'
            )
        )
    )
);

Display products as per the stock status

The below code display products that have stock value as In Stock.

$params = array(
    'posts_per_page' => 5,
    'post_type' => array('product', 'product_variation'),
    'meta_query' => array(
        array(
            'key' => '_stock_status',
            'value' => 'instock'
        )
    )
);

Display products with a defined stock level

The below code display products that have more than 5 as stock.

$params = array(
    'posts_per_page' => 5,
    'post_type' => array('product', 'product_variation'),
    'meta_query' => array(
        array(
            'key' => '_stock',
            'value' => 5,
            'compare' => '>',
            'type' => 'NUMERIC'
        )
    )
);

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Your Questions / Comments

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Sarathlal N