WordPress/wp-admin/options-discussion.php

<?php
require_once('admin.php');

$title = __('Discussion Settings');
$parent_file = 'options-general.php';

include('admin-header.php');
?>

<div class="wrap">
<h2><?php _e('Discussion Settings') ?></h2>
<form method="post" action="options.php">
<?php wp_nonce_field('update-options') ?>
<table class="form-table">
<tr valign="top">
<th scope="row"><?php _e('Default article settings') ?></th>
<td><fieldset><legend class="hidden"><?php _e('Default article settings') ?></legend>
<label for="default_pingback_flag">
<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 (slows down posting.)') ?></label>
<br />
<label for="default_ping_status">
<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.)') ?></label>
<br />
<label for="default_comment_status">
<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 the article') ?></label>
<br />
<small><em><?php echo '(' . __('These settings may be overridden for individual articles.') . ')'; ?></em></small>
</fieldset></td>
</tr>
<tr valign="top">
<th scope="row"><?php _e('E-mail me whenever') ?></th>
<td><fieldset><legend class="hidden"><?php _e('E-mail me whenever') ?></legend>
<label for="comments_notify">
<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>
<br />
<label for="moderation_notify">
<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>
</fieldset></td>
</tr>
<tr valign="top">
<th scope="row"><?php _e('Before a comment appears') ?></th>
<td><fieldset><legend class="hidden"><?php _e('Before a comment appears') ?></legend>
<label for="comment_moderation">
<input name="comment_moderation" type="checkbox" id="comment_moderation" value="1" <?php checked('1', get_option('comment_moderation')); ?> />
<?php _e('An administrator must always approve the comment') ?> </label>
<br />
<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 e-mail') ?></label>
<br />
<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>
</fieldset></td>
</tr>
<tr valign="top">
<th scope="row"><?php _e('Comment Moderation') ?></th>
<td><fieldset><legend class="hidden"><?php _e('Comment Moderation') ?></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="text" id="comment_max_links" size="3" value="' . get_option('comment_max_links'). '" />' ) ?></label></p>

<p><label for="moderation_keys"><?php _e('When a comment contains any of these words in its content, name, URL, e-mail, or IP, it will be held in the <a href="edit-comments.php?comment_status=moderated">moderation queue</a>. One word or IP per line. It will match inside words, so "press" will match "WordPress".') ?></label></p>
<p>
<textarea name="moderation_keys" cols="60" rows="10" id="moderation_keys" style="width: 98%; font-size: 12px;" class="code"><?php form_option('moderation_keys'); ?></textarea>
</p>
</fieldset></td>
</tr>
<tr valign="top">
<th scope="row"><?php _e('Comment Blacklist') ?></th>
<td><fieldset><legend class="hidden"><?php _e('Comment Blacklist') ?></legend>
<p><label for="blacklist_keys"><?php _e('When a comment contains any of these words in its content, name, URL, e-mail, or IP, it will be marked as spam. One word or IP per line. It will match inside words, so "press" will match "WordPress".') ?></label></p>
<p>
<textarea name="blacklist_keys" cols="60" rows="10" id="blacklist_keys" style="width: 98%; font-size: 12px;" class="code"><?php form_option('blacklist_keys'); ?></textarea>
</p>
</fieldset></td>
</tr>
</table>

<h3><?php _e('Avatars') ?></h3>

<p><?php _e('By default WordPress uses <a href="http://gravatar.com/">Gravatars</a> &#8212; short for Globally Recognized Avatars &#8212; for the pictures that show up next to comments. Plugins may override this.'); ?></p>

<?php // the above would be a good place to link to codex documentation on the gravatar functions, for putting it in themes. anything like that? ?>

<table class="form-table">
<tr valign="top">
<th scope="row"><?php _e('Avatar Display') ?></th>
<td><fieldset><legend class="hidden"><?php _e('Avatar display') ?></legend>
<?php
	$yesorno = array(0 => __("Don&#8217;t show Avatars"), 1 => __('Show Avatars'));
	foreach ( $yesorno as $key => $value) {
		$selected = (get_option('show_avatars') == $key) ? 'checked="checked"' : '';
		echo "\n\t<label><input type='radio' name='show_avatars' value='$key' $selected/> $value</label><br />";
	}
?>
</fieldset></td>
</tr>
<tr valign="top">
<th scope="row"><?php _e('Maximum Rating') ?></th>
<td><fieldset><legend class="hidden"><?php _e('Maximum Rating') ?></legend>

<?php
$ratings = array( 'G' => __('G &#8212; Suitable for all audiences'), 'PG' => __('PG &#8212; Possibly offensive, usually for audiences 13 and above'), 'R' => __('R &#8212; Intended for adult audiences above 17'), 'X' => __('X &#8212; Even more mature than above'));
foreach ($ratings as $key => $rating) :
	$selected = (get_option('avatar_rating') == $key) ? 'checked="checked"' : '';
	echo "\n\t<label><input type='radio' name='avatar_rating' value='$key' $selected/> $rating</label><br />";
endforeach;
?>

</fieldset></td>
</tr>
<tr valign="top">
<th scope="row"><?php _e('Default Avatar') ?></th>
<td class="defaultavatarpicker"><fieldset><legend class="hidden"><?php _e('Default Avatar') ?></legend>

<?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 e-mail address.'); ?><br />

<?php
$avatar_defaults = array(
	'default' => __('Default'),
	'gravatar_default' => __('Gravatar Logo'),
	'identicon' => __('Identicon (Generated)'),
	'wavatar' => __('Wavatar (Generated)'),
	'monsterid' => __('MonsterID (Generated)')
);
$avatar_defaults = apply_filters('avatar_defaults', $avatar_defaults);
$default = get_option('avatar_default');
if ( empty($default) )
	$default = 'default';
$size = 32;
$avatar_list = '';
foreach ( $avatar_defaults as $default_key => $default_name ) {
	$selected = ($default == $default_key) ? 'checked="checked" ' : '';
	$avatar_list .= "\n\t<label><input type='radio' name='avatar_default' id='avatar_{$default_key}' value='{$default_key}' {$selected}/> ";

	$avatar = get_avatar( $user_email, $size, $default_key );
	$avatar_list .= preg_replace("/src='(.+?)'/", "src='\$1&amp;forcedefault=1'", $avatar);

	$avatar_list .= ' ' . $default_name . '</label>';
	$avatar_list .= '<br />';
}
echo apply_filters('default_avatar_select', $avatar_list);
?>

</fieldset></td>
</tr>

</table>


<p class="submit">
<input type="hidden" name="action" value="update" />
<input type="hidden" name="page_options" value="default_pingback_flag,default_ping_status,default_comment_status,comments_notify,moderation_notify,comment_moderation,require_name_email,comment_whitelist,comment_max_links,moderation_keys,blacklist_keys,show_avatars,avatar_rating,avatar_default" />
<input type="submit" name="Submit" value="<?php _e('Save Changes') ?>" />
</p>
</form>
</div>

<?php include('./admin-footer.php'); ?>