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I wrote a function to update the comment time when a comment goes form unapproved to approved:

function ji_update_comment_date($comment){
$commentarr = array(
                'comment_ID'=>comment_ID(),
                //this is where it fails me,I can't get the ID
                'comment_date'=>date("Y-m-d H:i:s"),
                'comment_date_gmt'=> date("Y-m-d H:i:s") 
                );

        wp_update_comment( $commentarr );}
add_action('comment_unapproved_to_approved','ji_update_comment_date');

SO the comment_ID() is not working ,I can't seem to get it otherwise my code works perfectly.

  • Hi, Have you tried get_comment_ID() instead because comment_ID() must be within a loop. – Jack Johansson Jan 26 '17 at 4:43
  • yeah,I tried ,it's not working neither. – 吉 宁 Jan 26 '17 at 4:45
  • 1
    Oddly enough, get_comment_ID() worked for me with JS disabled. Using the suggestion from @JackJohansson ( adding $comment = get_comment( $comment ); see wordpress.stackexchange.com/a/45195/2807 ) and using 'comment_ID' => $comment->comment_ID, ended up being the real solution. – Dave Romsey Jan 26 '17 at 5:30
  • 2
    @DaveRomsey yes, i'm wondering why it's not working in his case. There might be a function or code before it, changing the results since $comment->comment_ID should absolutely work. – Jack Johansson Jan 26 '17 at 5:34
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    Thank you guys ,it works now ,thank you for the clarity @Dave Romsey,it should be 'comment_ID' => $comment->comment_ID instead of what I used 'comment_ID'=>$comment->ID.Thank you for the get_comment tip Jack Johansson. – 吉 宁 Jan 26 '17 at 6:02
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So @Jack Johansson and @Dave Romsey helped me to make it work.So I will put the solution here:

function ji_update_comment_date($comment,$commentarr){

$comment = get_comment( $comment );
$commentarr = array(
                'comment_ID'=>$comment->comment_ID,
                'comment_date'=>date("Y-m-d H:i:s"),
                'comment_date_gmt'=> date("Y-m-d H:i:s") 
                );

        wp_update_comment( $commentarr         );}
add_action('comment_unapproved_to_approved','ji_update_comment_date');

I don't understand why comment_ID() and get_comment_ID() won't work in this scenario. But get_comment is surely a workaround.

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