if ( ! current_user_can( 'manage_options' ) ) {

}

$title       = __( 'Discussion Settings' );

get_current_screen()->add_help_tab(

	array(

		'id'      => 'overview',

		'title'   => __( 'Overview' ),

		'content' => '<p>' . __( 'This screen provides many options for controlling the management and display of comments and links to your posts/pages. So many, in fact, they won&#8217;t all fit here! :) Use the documentation links to get information on what each discussion setting does.' ) . '</p>' .

			'<p>' . __( 'You must click the Save Changes button at the bottom of the screen for new settings to take effect.' ) . '</p>',

	)

);

	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .

	'<p>' . __( '<a href="https://codex.wordpress.org/Settings_Discussion_Screen">Documentation on Discussion Settings</a>' ) . '</p>' .

	'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'

<?php settings_fields( 'discussion' ); ?>

<table class="form-table" role="presentation">

<th scope="row"><?php _e( 'Default article settings' ); ?></th>

<td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Default article settings' ); ?></span></legend>

<input name="default_pingback_flag" type="checkbox" id="default_pingback_flag" value="1" <?php checked( '1', get_option( 'default_pingback_flag' ) ); ?> />

<?php _e( 'Attempt to notify any blogs linked to from the article' ); ?></label>

<input name="default_ping_status" type="checkbox" id="default_ping_status" value="open" <?php checked( 'open', get_option( 'default_ping_status' ) ); ?> />

<?php _e( 'Allow link notifications from other blogs (pingbacks and trackbacks) on new articles' ); ?></label>

<input name="default_comment_status" type="checkbox" id="default_comment_status" value="open" <?php checked( 'open', get_option( 'default_comment_status' ) ); ?> />

<?php _e( 'Allow people to post comments on new articles' ); ?></label>

<th scope="row"><?php _e( 'Other comment settings' ); ?></th>

<td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Other comment settings' ); ?></span></legend>

<label for="require_name_email"><input type="checkbox" name="require_name_email" id="require_name_email" value="1" <?php checked( '1', get_option( 'require_name_email' ) ); ?> /> <?php _e( 'Comment author must fill out name and email' ); ?></label>

<input name="comment_registration" type="checkbox" id="comment_registration" value="1" <?php checked( '1', get_option( 'comment_registration' ) ); ?> />

<?php _e( 'Users must be registered and logged in to comment' ); ?>

<?php

if ( ! get_option( 'users_can_register' ) && is_multisite() ) {

	echo ' ' . __( '(Signup has been disabled. Only members of this site can comment.)' );}

?>

<input name="close_comments_for_old_posts" type="checkbox" id="close_comments_for_old_posts" value="1" <?php checked( '1', get_option( 'close_comments_for_old_posts' ) ); ?> />

<?php

printf(

);

?>

<?php _e( 'Show comments cookies opt-in checkbox, allowing comment author cookies to be set.' ); ?>

<input name="thread_comments" type="checkbox" id="thread_comments" value="1" <?php checked( '1', get_option( 'thread_comments' ) ); ?> />

 * @since 2.7.0

	$thread_comments_depth .= "<option value='" . esc_attr( $i ) . "'";

	if ( get_option( 'thread_comments_depth' ) == $i ) {

		$thread_comments_depth .= " selected='selected'";

	}

printf( __( 'Enable threaded (nested) comments %s levels deep' ), $thread_comments_depth );

?>

</label>

if ( 'newest' == get_option( 'default_comments_page' ) ) {

	$default_comments_page .= ' selected="selected"';

}

$default_comments_page .= '>' . __( 'last' ) . '</option><option value="oldest"';

if ( 'oldest' == get_option( 'default_comments_page' ) ) {

	$default_comments_page .= ' selected="selected"';

}

$default_comments_page .= '>' . __( 'first' ) . '</option></select>';

?>

</label>

<label for="comment_order">

<?php

if ( 'asc' == get_option( 'comment_order' ) ) {

	$comment_order .= ' selected="selected"';

}

$comment_order .= '>' . __( 'older' ) . '</option><option value="desc"';

if ( 'desc' == get_option( 'comment_order' ) ) {

	$comment_order .= ' selected="selected"';

}

$comment_order .= '>' . __( 'newer' ) . '</option></select>';

printf( __( 'Comments should be displayed with the %s comments at the top of each page' ), $comment_order );

?>

</label>

<th scope="row"><?php _e( 'Email me whenever' ); ?></th>

<td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Email me whenever' ); ?></span></legend>

<input name="comments_notify" type="checkbox" id="comments_notify" value="1" <?php checked( '1', get_option( 'comments_notify' ) ); ?> />

<?php _e( 'Anyone posts a comment' ); ?> </label>

<input name="moderation_notify" type="checkbox" id="moderation_notify" value="1" <?php checked( '1', get_option( 'moderation_notify' ) ); ?> />

<?php _e( 'A comment is held for moderation' ); ?> </label>

<th scope="row"><?php _e( 'Before a comment appears' ); ?></th>

<td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Before a comment appears' ); ?></span></legend>

<input name="comment_moderation" type="checkbox" id="comment_moderation" value="1" <?php checked( '1', get_option( 'comment_moderation' ) ); ?> />

<?php _e( 'Comment must be manually approved' ); ?> </label>

<label for="comment_whitelist"><input type="checkbox" name="comment_whitelist" id="comment_whitelist" value="1" <?php checked( '1', get_option( 'comment_whitelist' ) ); ?> /> <?php _e( 'Comment author must have a previously approved comment' ); ?></label>

<th scope="row"><?php _e( 'Comment Moderation' ); ?></th>

<td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Comment Moderation' ); ?></span></legend>

<p><label for="comment_max_links"><?php printf( __( 'Hold a comment in the queue if it contains %s or more links. (A common characteristic of comment spam is a large number of hyperlinks.)' ), '<input name="comment_max_links" type="number" step="1" min="0" id="comment_max_links" value="' . esc_attr( get_option( 'comment_max_links' ) ) . '" class="small-text" />' ); ?></label></p>

<p><label for="moderation_keys"><?php _e( 'When a comment contains any of these words in its content, name, URL, email, or IP address, it will be held in the <a href="edit-comments.php?comment_status=moderated">moderation queue</a>. One word or IP address per line. It will match inside words, so &#8220;press&#8221; will match &#8220;WordPress&#8221;.' ); ?></label></p>

<th scope="row"><?php _e( 'Comment Blacklist' ); ?></th>

<td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Comment Blacklist' ); ?></span></legend>

<p><label for="blacklist_keys"><?php _e( 'When a comment contains any of these words in its content, name, URL, email, or IP address, it will be put in the trash. One word or IP address per line. It will match inside words, so &#8220;press&#8221; will match &#8220;WordPress&#8221;.' ); ?></label></p>

<?php do_settings_fields( 'discussion', 'default' ); ?>

<h2 class="title"><?php _e( 'Avatars' ); ?></h2>

<p><?php _e( 'An avatar is an image that follows you from weblog to weblog appearing beside your name when you comment on avatar enabled sites. Here you can enable the display of avatars for people who comment on your site.' ); ?></p>

$show_avatars       = get_option( 'show_avatars' );

$show_avatars_class = '';

if ( ! $show_avatars ) {

	$show_avatars_class = ' hide-if-js';

}

<table class="form-table" role="presentation">

<th scope="row"><?php _e( 'Avatar Display' ); ?></th>

<td>

</td>

<tr class="avatar-settings<?php echo $show_avatars_class; ?>">

<th scope="row"><?php _e( 'Maximum Rating' ); ?></th>

<td><fieldset><legend class="screen-reader-text"><span><?php _e( 'Maximum Rating' ); ?></span></legend>

	'G'  => __( 'G — Suitable for all audiences' ),

	'PG' => __( 'PG — Possibly offensive, usually for audiences 13 and above' ),

	'R'  => __( 'R — Intended for adult audiences above 17' ),

	'X'  => __( 'X — Even more mature than above' ),

foreach ( $ratings as $key => $rating ) :

	$selected = ( get_option( 'avatar_rating' ) == $key ) ? 'checked="checked"' : '';

	echo "\n\t<label><input type='radio' name='avatar_rating' value='" . esc_attr( $key ) . "' $selected/> $rating</label><br />";

<tr class="avatar-settings<?php echo $show_avatars_class; ?>">

<th scope="row"><?php _e( 'Default Avatar' ); ?></th>

<td class="defaultavatarpicker"><fieldset><legend class="screen-reader-text"><span><?php _e( 'Default Avatar' ); ?></span></legend>

<p>

<?php _e( 'For users without a custom avatar of their own, you can either display a generic logo or a generated one based on their email address.' ); ?><br />

</p>

	'mystery'          => __( 'Mystery Person' ),

	'blank'            => __( 'Blank' ),

	'gravatar_default' => __( 'Gravatar Logo' ),

	'identicon'        => __( 'Identicon (Generated)' ),

	'wavatar'          => __( 'Wavatar (Generated)' ),

	'monsterid'        => __( 'MonsterID (Generated)' ),

	'retro'            => __( 'Retro (Generated)' ),

 * @param string[] $avatar_defaults Associative array of default avatars.

$default         = get_option( 'avatar_default', 'mystery' );

$avatar_list     = '';

	$selected     = ( $default == $default_key ) ? 'checked="checked" ' : '';

	$avatar_list .= "\n\t<label><input type='radio' name='avatar_default' id='avatar_{$default_key}' value='" . esc_attr( $default_key ) . "' {$selected}/> ";

<?php do_settings_fields( 'discussion', 'avatars' ); ?>

<?php do_settings_sections( 'discussion' ); ?>