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I have a comment form that has name, email, brief, detailed and rating fields.

The name, email, brief and rating need to be required, but the latter two are custom fields and I can only make them required through Javascript, but want to add proper WordPress/PHP validation to those fields.

The detailed field is actually the comment_field which is currently required, but I want to removed the required for this field, but I don't want to do it via the WordPress settings as I still want name and email to be required.

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Here is a related question that should answer yours. Basicly you want to use the pre_comment_on_post hook

    function custom_validate_comment() {
    //validate for brief and rating
if( empty( $_POST['brief']) || empty( $_POST['rating'])  )
        wp_die( __('Error: you must fill in both the rating and the brief') );
//make comment not required
if(empy($_POST['comment']){$_POST['comment'] == "empty_comment";}
}

add_action('pre_comment_on_post', 'custom_validate_comment');

function custom_change_comment( $commentdata ) {
    if( $commentdata['comment'] == 'empty_comment' )
        $commentdata['comment'] = '';
    return $commentdata;
}

add_filter('preprocess_comment', 'custom_change_comment');

That should at least get you on the right track

  • Awesome, that worked perfectly. Thanks for the help! – WolfieZero Oct 18 '11 at 9:42

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