Revision: 72655
                            
                                                            
                                    
                                        
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                        at October 10, 2017 01:06 by fredi1993
                            
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add_action('pre_get_posts','shop_filter_cat');
 function shop_filter_cat($query) {
 	$parentt=$query->queried_object->post_parent;
 	$titlee=$query->queried_object->post_title;
    if (!is_admin() && $parentt==9773 && $query->is_main_query()) {
       $query->set('tax_query', array(
                    array ('taxonomy' => 'product_cat',
                                       'field' => 'slug',
                                        'terms' => $titlee
                                 )
                     )
       );   
    }
 }
                                Initial URL
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Filter products based on their category
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Filter products based on their category
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PHP