I want to set also text comment as required... but in the backend only email and author are possible. Without using a javascript validation, how it is possible? Thank you
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i did not understand a bit! can you please explain a bit more about what is the problem, what you've tried etc.? – HungryCoder Jun 18 '12 at 20:30
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I have inserted a comment_form() tag into my template page; in the admin i have set as required the user name and email; but how set as required also the text comment? (without javascript) Thank you – user14550 Jun 20 '12 at 19:36
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the comment field may not have * mark but it is essential field. without filling the field, you can not submit the comment. so it is already required field. – HungryCoder Jun 21 '12 at 6:36
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You can hook into 'pre_comment_on_post' and inspect $_POST['comment']:
<?php # -*- coding: utf-8 -*-
/**
* Plugin Name: T5 Require comment text
* Description: Dies if there is no comment text.
* Plugin URI: http://wordpress.stackexchange.com/q/55679/73
* Version: 2012.07
* Author: Thomas Scholz
* Author URI: http://toscho.de
* License: MIT
* License URI: http://www.opensource.org/licenses/mit-license.php
*/
if ( ! function_exists( 't5_require_comment_text' ) )
{
add_action( 'pre_comment_on_post', 't5_require_comment_text' );
function t5_require_comment_text()
{
if ( ! isset ( $_POST['comment'] ) or '' === trim( $_POST['comment'] ) )
{
print 'Please hit your back button and write something useful.';
exit;
}
}
}
See wp-comments-post.php for more actions and a way to create a useful back link. I didn’t include one because some browsers restore all filled form fields when the user clicks the back button. A link would prevent this rather useful behavior.
