The Below syntax removes the "Related products" from appearing on the Single Product page, but what does the 20 stand for ?

remove_action( 'woocommerce_after_single_product_summary', 'woocommerce_output_related_products', 20);


2 Answers 2


20 is the priority. To remove, must use the same priority as the one that was set in the add_action.

  • What does this add to what's already there (and accepted)?
    – tfrommen
    Mar 18, 2014 at 21:29
  • @tf The accepted one is just RTFM. I tried to talk like a human being. Formally, it does not add - for those who can RTFM. But those would not ask that question, right?
    – tivnet
    Mar 19, 2014 at 1:25

$priority (int) (optional) The priority of the function (as defined when the function was originally hooked). Default: 10


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