Limit user to one comment

2 comments

1. <?php
   global $current_user;
   $args = array(
       'user_id' => $current_user->ID,
       'post_id' = 100, // post ID. Can be '$post->ID' depending where you are calling this from
       'count' => true
       );
   if(get_comments($args) >= 1){
       echo 'disabled';
   } else {
       comment_form();
   }
   

   Function_Reference/get_comments

   Based on AndrettiMilas code.

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2. See if this still works:

   <?php
   global $current_user;
   $args = array('user_id' => $current_user->ID);
   $usercomment = get_comments($args);
   if(count($usercomment) >= 1){
       echo 'disabled';
   } else {
       comment_form();
   }
   ?>
   

   My source

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