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<?php | |
/* | |
Plugin Name: Disable Comment Querying | |
Description: Disables comment queries | |
Version: 0.1 | |
License: GPL version 2 or any later version | |
Author: Mark Jaquith | |
Author URI: http://coveredwebservices.com/ | |
*/ | |
class CWS_Disable_Comments_Query_Plugin { | |
static $instance; | |
private $already_ran = false; | |
public function __construct() { | |
self::$instance = $this; | |
add_action( 'template_redirect', array( $this, 'template_redirect' ) ); | |
} | |
public function template_redirect() { | |
add_filter( 'option_require_name_email', array( $this, 'require_name_email' ) ); | |
} | |
/* | |
This filter is fired in the comments_template() function, | |
which lacks a suitable way of hooking in early and aborting the comments query | |
*/ | |
public function require_name_email( $value ) { | |
if ( !defined( 'DOING_AJAX' ) || !DOING_AJAX ) | |
add_filter( 'query', array( $this, 'comments_query_filter' ) ); | |
return $value; | |
} | |
/* | |
Neuter the comments query, to prevent doing double work. | |
*/ | |
public function comments_query_filter( $query ) { | |
if ( $this->already_ran ) | |
return $query; | |
global $wpdb; | |
$pattern = '#^\s*SELECT\s*\*\s*FROM\s*' . preg_quote( $wpdb->comments, '#' ) .'\s*WHERE\s*comment_post_ID\s*=\s*([0-9]+)\s*#i'; | |
if ( preg_match( $pattern, $query ) ) { | |
// Neuter the query, while leaving a clue as to what happened | |
$query = preg_replace( $pattern, 'SELECT * FROM ' . $wpdb->comments . ' WHERE \'neutered\' = \'by CWS Disable Comments Query Plugin\' AND comment_post_ID = $1 ', $query ); | |
$this->already_ran = true; | |
} | |
return $query; | |
} | |
} | |
new CWS_Disable_Comments_Query_Plugin; |
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