i want to create a function which will add to specific products an attribute programmatically. i use the below code but it doesnt seem to work.

 $attributedata = Array(
           'is_visible' => '1',
           'is_taxonomy' => '1'

    update_post_meta( $productID,'_product_attributes',$attributedata );

if i set taxonomy to 0 the attribute is passed to the product but it doesnt appear in the front end unless i press update manually to each product. what can i do to add attributes to product? i want to mention that the products are simple products not variable.

wp_set_object_terms( $productID, 'black', 'pa_color', true );

$att_color = Array('pa_color' =>Array(
       'is_visible' => '1',<br>
       'is_taxonomy' => '1'<br>

update_post_meta( $productID, '_product_attributes', $att_color);
  • its Work's for me you can try this – vikas Rana Apr 3 '19 at 13:40
  • Please edit your answer, and add an explanation: why could that solve the problem? – fuxia Apr 3 '19 at 14:40

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