php - Woocommerce: Show products filtered by attribute -

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i want filter products attribute in woocommerce using checkbox or alternatively link. if mark checkbox or click link want products have attribute.

how can this? files should edit?

edit: need query products have custom attribute 'demo' in case.

i'm doing this:

$args = array ( 'meta_query' => array(  array( 'key' => 'meta_value',         'value' => 'demo',         'compare' => 'like', ),         ),  );

whats wrong??

thanks!

ok got result!

i have this: 

$args = array (       'post_type'  => 'product',      'posts_per_page'  => 12,      'meta_query' => array(           array(            'value' => 'demo',            'compare' => 'like'          ),         ),

);

thanks anyway help!


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