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PHP Cross Reference of Wordpress 2.9.1 |
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1 <?php 2 /** 3 * Manages WordPress comments 4 * 5 * @package WordPress 6 * @subpackage Comment 7 */ 8 9 /** 10 * Checks whether a comment passes internal checks to be allowed to add. 11 * 12 * If comment moderation is set in the administration, then all comments, 13 * regardless of their type and whitelist will be set to false. If the number of 14 * links exceeds the amount in the administration, then the check fails. If any 15 * of the parameter contents match the blacklist of words, then the check fails. 16 * 17 * If the number of links exceeds the amount in the administration, then the 18 * check fails. If any of the parameter contents match the blacklist of words, 19 * then the check fails. 20 * 21 * If the comment is a trackback and part of the blogroll, then the trackback is 22 * automatically whitelisted. If the comment author was approved before, then 23 * the comment is automatically whitelisted. 24 * 25 * If none of the checks fail, then the failback is to set the check to pass 26 * (return true). 27 * 28 * @since 1.2.0 29 * @uses $wpdb 30 * 31 * @param string $author Comment Author's name 32 * @param string $email Comment Author's email 33 * @param string $url Comment Author's URL 34 * @param string $comment Comment contents 35 * @param string $user_ip Comment Author's IP address 36 * @param string $user_agent Comment Author's User Agent 37 * @param string $comment_type Comment type, either user submitted comment, 38 * trackback, or pingback 39 * @return bool Whether the checks passed (true) and the comments should be 40 * displayed or set to moderated 41 */ 42 function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) { 43 global $wpdb; 44 45 if ( 1 == get_option('comment_moderation') ) 46 return false; // If moderation is set to manual 47 48 if ( get_option('comment_max_links') && preg_match_all("/<[Aa][^>]*[Hh][Rr][Ee][Ff]=['\"]([^\"'>]+)[^>]*>/", apply_filters('comment_text',$comment), $out) >= get_option('comment_max_links') ) 49 return false; // Check # of external links 50 51 $mod_keys = trim(get_option('moderation_keys')); 52 if ( !empty($mod_keys) ) { 53 $words = explode("\n", $mod_keys ); 54 55 foreach ( (array) $words as $word) { 56 $word = trim($word); 57 58 // Skip empty lines 59 if ( empty($word) ) 60 continue; 61 62 // Do some escaping magic so that '#' chars in the 63 // spam words don't break things: 64 $word = preg_quote($word, '#'); 65 66 $pattern = "#$word#i"; 67 if ( preg_match($pattern, $author) ) return false; 68 if ( preg_match($pattern, $email) ) return false; 69 if ( preg_match($pattern, $url) ) return false; 70 if ( preg_match($pattern, $comment) ) return false; 71 if ( preg_match($pattern, $user_ip) ) return false; 72 if ( preg_match($pattern, $user_agent) ) return false; 73 } 74 } 75 76 // Comment whitelisting: 77 if ( 1 == get_option('comment_whitelist')) { 78 if ( 'trackback' == $comment_type || 'pingback' == $comment_type ) { // check if domain is in blogroll 79 $uri = parse_url($url); 80 $domain = $uri['host']; 81 $uri = parse_url( get_option('home') ); 82 $home_domain = $uri['host']; 83 if ( $wpdb->get_var($wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_url LIKE (%s) LIMIT 1", '%'.$domain.'%')) || $domain == $home_domain ) 84 return true; 85 else 86 return false; 87 } elseif ( $author != '' && $email != '' ) { 88 // expected_slashed ($author, $email) 89 $ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author = '$author' AND comment_author_email = '$email' and comment_approved = '1' LIMIT 1"); 90 if ( ( 1 == $ok_to_comment ) && 91 ( empty($mod_keys) || false === strpos( $email, $mod_keys) ) ) 92 return true; 93 else 94 return false; 95 } else { 96 return false; 97 } 98 } 99 return true; 100 } 101 102 /** 103 * Retrieve the approved comments for post $post_id. 104 * 105 * @since 2.0.0 106 * @uses $wpdb 107 * 108 * @param int $post_id The ID of the post 109 * @return array $comments The approved comments 110 */ 111 function get_approved_comments($post_id) { 112 global $wpdb; 113 return $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1' ORDER BY comment_date", $post_id)); 114 } 115 116 /** 117 * Retrieves comment data given a comment ID or comment object. 118 * 119 * If an object is passed then the comment data will be cached and then returned 120 * after being passed through a filter. If the comment is empty, then the global 121 * comment variable will be used, if it is set. 122 * 123 * If the comment is empty, then the global comment variable will be used, if it 124 * is set. 125 * 126 * @since 2.0.0 127 * @uses $wpdb 128 * 129 * @param object|string|int $comment Comment to retrieve. 130 * @param string $output Optional. OBJECT or ARRAY_A or ARRAY_N constants. 131 * @return object|array|null Depends on $output value. 132 */ 133 function &get_comment(&$comment, $output = OBJECT) { 134 global $wpdb; 135 $null = null; 136 137 if ( empty($comment) ) { 138 if ( isset($GLOBALS['comment']) ) 139 $_comment = & $GLOBALS['comment']; 140 else 141 $_comment = null; 142 } elseif ( is_object($comment) ) { 143 wp_cache_add($comment->comment_ID, $comment, 'comment'); 144 $_comment = $comment; 145 } else { 146 if ( isset($GLOBALS['comment']) && ($GLOBALS['comment']->comment_ID == $comment) ) { 147 $_comment = & $GLOBALS['comment']; 148 } elseif ( ! $_comment = wp_cache_get($comment, 'comment') ) { 149 $_comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment)); 150 if ( ! $_comment ) 151 return $null; 152 wp_cache_add($_comment->comment_ID, $_comment, 'comment'); 153 } 154 } 155 156 $_comment = apply_filters('get_comment', $_comment); 157 158 if ( $output == OBJECT ) { 159 return $_comment; 160 } elseif ( $output == ARRAY_A ) { 161 $__comment = get_object_vars($_comment); 162 return $__comment; 163 } elseif ( $output == ARRAY_N ) { 164 $__comment = array_values(get_object_vars($_comment)); 165 return $__comment; 166 } else { 167 return $_comment; 168 } 169 } 170 171 /** 172 * Retrieve a list of comments. 173 * 174 * The comment list can be for the blog as a whole or for an individual post. 175 * 176 * The list of comment arguments are 'status', 'orderby', 'comment_date_gmt', 177 * 'order', 'number', 'offset', and 'post_id'. 178 * 179 * @since 2.7.0 180 * @uses $wpdb 181 * 182 * @param mixed $args Optional. Array or string of options to override defaults. 183 * @return array List of comments. 184 */ 185 function get_comments( $args = '' ) { 186 global $wpdb; 187 188 $defaults = array('status' => '', 'orderby' => 'comment_date_gmt', 'order' => 'DESC', 'number' => '', 'offset' => '', 'post_id' => 0); 189 190 $args = wp_parse_args( $args, $defaults ); 191 extract( $args, EXTR_SKIP ); 192 193 // $args can be whatever, only use the args defined in defaults to compute the key 194 $key = md5( serialize( compact(array_keys($defaults)) ) ); 195 $last_changed = wp_cache_get('last_changed', 'comment'); 196 if ( !$last_changed ) { 197 $last_changed = time(); 198 wp_cache_set('last_changed', $last_changed, 'comment'); 199 } 200 $cache_key = "get_comments:$key:$last_changed"; 201 202 if ( $cache = wp_cache_get( $cache_key, 'comment' ) ) { 203 return $cache; 204 } 205 206 $post_id = absint($post_id); 207 208 if ( 'hold' == $status ) 209 $approved = "comment_approved = '0'"; 210 elseif ( 'approve' == $status ) 211 $approved = "comment_approved = '1'"; 212 elseif ( 'spam' == $status ) 213 $approved = "comment_approved = 'spam'"; 214 elseif ( 'trash' == $status ) 215 $approved = "comment_approved = 'trash'"; 216 else 217 $approved = "( comment_approved = '0' OR comment_approved = '1' )"; 218 219 $order = ( 'ASC' == $order ) ? 'ASC' : 'DESC'; 220 221 $orderby = 'comment_date_gmt'; // Hard code for now 222 223 $number = absint($number); 224 $offset = absint($offset); 225 226 if ( !empty($number) ) { 227 if ( $offset ) 228 $number = 'LIMIT ' . $offset . ',' . $number; 229 else 230 $number = 'LIMIT ' . $number; 231 232 } else { 233 $number = ''; 234 } 235 236 if ( ! empty($post_id) ) 237 $post_where = $wpdb->prepare( 'comment_post_ID = %d AND', $post_id ); 238 else 239 $post_where = ''; 240 241 $comments = $wpdb->get_results( "SELECT * FROM $wpdb->comments WHERE $post_where $approved ORDER BY $orderby $order $number" ); 242 wp_cache_add( $cache_key, $comments, 'comment' ); 243 244 return $comments; 245 } 246 247 /** 248 * Retrieve all of the WordPress supported comment statuses. 249 * 250 * Comments have a limited set of valid status values, this provides the comment 251 * status values and descriptions. 252 * 253 * @package WordPress 254 * @subpackage Post 255 * @since 2.7.0 256 * 257 * @return array List of comment statuses. 258 */ 259 function get_comment_statuses( ) { 260 $status = array( 261 'hold' => __('Unapproved'), 262 /* translators: comment status */ 263 'approve' => _x('Approved', 'adjective'), 264 /* translators: comment status */ 265 'spam' => _x('Spam', 'adjective'), 266 ); 267 268 return $status; 269 } 270 271 272 /** 273 * The date the last comment was modified. 274 * 275 * @since 1.5.0 276 * @uses $wpdb 277 * @global array $cache_lastcommentmodified 278 * 279 * @param string $timezone Which timezone to use in reference to 'gmt', 'blog', 280 * or 'server' locations. 281 * @return string Last comment modified date. 282 */ 283 function get_lastcommentmodified($timezone = 'server') { 284 global $cache_lastcommentmodified, $wpdb; 285 286 if ( isset($cache_lastcommentmodified[$timezone]) ) 287 return $cache_lastcommentmodified[$timezone]; 288 289 $add_seconds_server = date('Z'); 290 291 switch ( strtolower($timezone)) { 292 case 'gmt': 293 $lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1"); 294 break; 295 case 'blog': 296 $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1"); 297 break; 298 case 'server': 299 $lastcommentmodified = $wpdb->get_var($wpdb->prepare("SELECT DATE_ADD(comment_date_gmt, INTERVAL %s SECOND) FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1", $add_seconds_server)); 300 break; 301 } 302 303 $cache_lastcommentmodified[$timezone] = $lastcommentmodified; 304 305 return $lastcommentmodified; 306 } 307 308 /** 309 * The amount of comments in a post or total comments. 310 * 311 * A lot like {@link wp_count_comments()}, in that they both return comment 312 * stats (albeit with different types). The {@link wp_count_comments()} actual 313 * caches, but this function does not. 314 * 315 * @since 2.0.0 316 * @uses $wpdb 317 * 318 * @param int $post_id Optional. Comment amount in post if > 0, else total comments blog wide. 319 * @return array The amount of spam, approved, awaiting moderation, and total comments. 320 */ 321 function get_comment_count( $post_id = 0 ) { 322 global $wpdb; 323 324 $post_id = (int) $post_id; 325 326 $where = ''; 327 if ( $post_id > 0 ) { 328 $where = $wpdb->prepare("WHERE comment_post_ID = %d", $post_id); 329 } 330 331 $totals = (array) $wpdb->get_results(" 332 SELECT comment_approved, COUNT( * ) AS total 333 FROM {$wpdb->comments} 334 {$where} 335 GROUP BY comment_approved 336 ", ARRAY_A); 337 338 $comment_count = array( 339 "approved" => 0, 340 "awaiting_moderation" => 0, 341 "spam" => 0, 342 "total_comments" => 0 343 ); 344 345 foreach ( $totals as $row ) { 346 switch ( $row['comment_approved'] ) { 347 case 'spam': 348 $comment_count['spam'] = $row['total']; 349 $comment_count["total_comments"] += $row['total']; 350 break; 351 case 1: 352 $comment_count['approved'] = $row['total']; 353 $comment_count['total_comments'] += $row['total']; 354 break; 355 case 0: 356 $comment_count['awaiting_moderation'] = $row['total']; 357 $comment_count['total_comments'] += $row['total']; 358 break; 359 default: 360 break; 361 } 362 } 363 364 return $comment_count; 365 } 366 367 // 368 // Comment meta functions 369 // 370 371 /** 372 * Add meta data field to a comment. 373 * 374 * @since 2.9 375 * @uses add_metadata 376 * @link http://codex.wordpress.org/Function_Reference/add_comment_meta 377 * 378 * @param int $comment_id Comment ID. 379 * @param string $key Metadata name. 380 * @param mixed $value Metadata value. 381 * @param bool $unique Optional, default is false. Whether the same key should not be added. 382 * @return bool False for failure. True for success. 383 */ 384 function add_comment_meta($comment_id, $meta_key, $meta_value, $unique = false) { 385 return add_metadata('comment', $comment_id, $meta_key, $meta_value, $unique); 386 } 387 388 /** 389 * Remove metadata matching criteria from a comment. 390 * 391 * You can match based on the key, or key and value. Removing based on key and 392 * value, will keep from removing duplicate metadata with the same key. It also 393 * allows removing all metadata matching key, if needed. 394 * 395 * @since 2.9 396 * @uses delete_metadata 397 * @link http://codex.wordpress.org/Function_Reference/delete_comment_meta 398 * 399 * @param int $comment_id comment ID 400 * @param string $meta_key Metadata name. 401 * @param mixed $meta_value Optional. Metadata value. 402 * @return bool False for failure. True for success. 403 */ 404 function delete_comment_meta($comment_id, $meta_key, $meta_value = '') { 405 return delete_metadata('comment', $comment_id, $meta_key, $meta_value); 406 } 407 408 /** 409 * Retrieve comment meta field for a comment. 410 * 411 * @since 2.9 412 * @uses get_metadata 413 * @link http://codex.wordpress.org/Function_Reference/get_comment_meta 414 * 415 * @param int $comment_id Comment ID. 416 * @param string $key The meta key to retrieve. 417 * @param bool $single Whether to return a single value. 418 * @return mixed Will be an array if $single is false. Will be value of meta data field if $single 419 * is true. 420 */ 421 function get_comment_meta($comment_id, $key, $single = false) { 422 return get_metadata('comment', $comment_id, $key, $single); 423 } 424 425 /** 426 * Update comment meta field based on comment ID. 427 * 428 * Use the $prev_value parameter to differentiate between meta fields with the 429 * same key and comment ID. 430 * 431 * If the meta field for the comment does not exist, it will be added. 432 * 433 * @since 2.9 434 * @uses update_metadata 435 * @link http://codex.wordpress.org/Function_Reference/update_comment_meta 436 * 437 * @param int $comment_id Comment ID. 438 * @param string $key Metadata key. 439 * @param mixed $value Metadata value. 440 * @param mixed $prev_value Optional. Previous value to check before removing. 441 * @return bool False on failure, true if success. 442 */ 443 function update_comment_meta($comment_id, $meta_key, $meta_value, $prev_value = '') { 444 return update_metadata('comment', $comment_id, $meta_key, $meta_value, $prev_value); 445 } 446 447 /** 448 * Sanitizes the cookies sent to the user already. 449 * 450 * Will only do anything if the cookies have already been created for the user. 451 * Mostly used after cookies had been sent to use elsewhere. 452 * 453 * @since 2.0.4 454 */ 455 function sanitize_comment_cookies() { 456 if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) ) { 457 $comment_author = apply_filters('pre_comment_author_name', $_COOKIE['comment_author_'.COOKIEHASH]); 458 $comment_author = stripslashes($comment_author); 459 $comment_author = esc_attr($comment_author); 460 $_COOKIE['comment_author_'.COOKIEHASH] = $comment_author; 461 } 462 463 if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ) { 464 $comment_author_email = apply_filters('pre_comment_author_email', $_COOKIE['comment_author_email_'.COOKIEHASH]); 465 $comment_author_email = stripslashes($comment_author_email); 466 $comment_author_email = esc_attr($comment_author_email); 467 $_COOKIE['comment_author_email_'.COOKIEHASH] = $comment_author_email; 468 } 469 470 if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ) { 471 $comment_author_url = apply_filters('pre_comment_author_url', $_COOKIE['comment_author_url_'.COOKIEHASH]); 472 $comment_author_url = stripslashes($comment_author_url); 473 $_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url; 474 } 475 } 476 477 /** 478 * Validates whether this comment is allowed to be made or not. 479 * 480 * @since 2.0.0 481 * @uses $wpdb 482 * @uses apply_filters() Calls 'pre_comment_approved' hook on the type of comment 483 * @uses do_action() Calls 'check_comment_flood' hook on $comment_author_IP, $comment_author_email, and $comment_date_gmt 484 * 485 * @param array $commentdata Contains information on the comment 486 * @return mixed Signifies the approval status (0|1|'spam') 487 */ 488 function wp_allow_comment($commentdata) { 489 global $wpdb; 490 extract($commentdata, EXTR_SKIP); 491 492 // Simple duplicate check 493 // expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content) 494 $dupe = "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND comment_approved != 'trash' AND ( comment_author = '$comment_author' "; 495 if ( $comment_author_email ) 496 $dupe .= "OR comment_author_email = '$comment_author_email' "; 497 $dupe .= ") AND comment_content = '$comment_content' LIMIT 1"; 498 if ( $wpdb->get_var($dupe) ) { 499 if ( defined('DOING_AJAX') ) 500 die( __('Duplicate comment detected; it looks as though you’ve already said that!') ); 501 502 wp_die( __('Duplicate comment detected; it looks as though you’ve already said that!') ); 503 } 504 505 do_action( 'check_comment_flood', $comment_author_IP, $comment_author_email, $comment_date_gmt ); 506 507 if ( isset($user_id) && $user_id) { 508 $userdata = get_userdata($user_id); 509 $user = new WP_User($user_id); 510 $post_author = $wpdb->get_var($wpdb->prepare("SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1", $comment_post_ID)); 511 } 512 513 if ( isset($userdata) && ( $user_id == $post_author || $user->has_cap('moderate_comments') ) ) { 514 // The author and the admins get respect. 515 $approved = 1; 516 } else { 517 // Everyone else's comments will be checked. 518 if ( check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type) ) 519 $approved = 1; 520 else 521 $approved = 0; 522 if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) ) 523 $approved = 'spam'; 524 } 525 526 $approved = apply_filters('pre_comment_approved', $approved); 527 return $approved; 528 } 529 530 /** 531 * Check whether comment flooding is occurring. 532 * 533 * Won't run, if current user can manage options, so to not block 534 * administrators. 535 * 536 * @since 2.3.0 537 * @uses $wpdb 538 * @uses apply_filters() Calls 'comment_flood_filter' filter with first 539 * parameter false, last comment timestamp, new comment timestamp. 540 * @uses do_action() Calls 'comment_flood_trigger' action with parameters with 541 * last comment timestamp and new comment timestamp. 542 * 543 * @param string $ip Comment IP. 544 * @param string $email Comment author email address. 545 * @param string $date MySQL time string. 546 */ 547 function check_comment_flood_db( $ip, $email, $date ) { 548 global $wpdb; 549 if ( current_user_can( 'manage_options' ) ) 550 return; // don't throttle admins 551 $hour_ago = gmdate( 'Y-m-d H:i:s', time() - 3600 ); 552 if ( $lasttime = $wpdb->get_var( $wpdb->prepare( "SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( `comment_author_IP` = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1", $hour_ago, $ip, $email ) ) ) { 553 $time_lastcomment = mysql2date('U', $lasttime, false); 554 $time_newcomment = mysql2date('U', $date, false); 555 $flood_die = apply_filters('comment_flood_filter', false, $time_lastcomment, $time_newcomment); 556 if ( $flood_die ) { 557 do_action('comment_flood_trigger', $time_lastcomment, $time_newcomment); 558 559 if ( defined('DOING_AJAX') ) 560 die( __('You are posting comments too quickly. Slow down.') ); 561 562 wp_die( __('You are posting comments too quickly. Slow down.'), '', array('response' => 403) ); 563 } 564 } 565 } 566 567 /** 568 * Separates an array of comments into an array keyed by comment_type. 569 * 570 * @since 2.7.0 571 * 572 * @param array $comments Array of comments 573 * @return array Array of comments keyed by comment_type. 574 */ 575 function &separate_comments(&$comments) { 576 $comments_by_type = array('comment' => array(), 'trackback' => array(), 'pingback' => array(), 'pings' => array()); 577 $count = count($comments); 578 for ( $i = 0; $i < $count; $i++ ) { 579 $type = $comments[$i]->comment_type; 580 if ( empty($type) ) 581 $type = 'comment'; 582 $comments_by_type[$type][] = &$comments[$i]; 583 if ( 'trackback' == $type || 'pingback' == $type ) 584 $comments_by_type['pings'][] = &$comments[$i]; 585 } 586 587 return $comments_by_type; 588 } 589 590 /** 591 * Calculate the total number of comment pages. 592 * 593 * @since 2.7.0 594 * @uses get_query_var() Used to fill in the default for $per_page parameter. 595 * @uses get_option() Used to fill in defaults for parameters. 596 * @uses Walker_Comment 597 * 598 * @param array $comments Optional array of comment objects. Defaults to $wp_query->comments 599 * @param int $per_page Optional comments per page. 600 * @param boolean $threaded Optional control over flat or threaded comments. 601 * @return int Number of comment pages. 602 */ 603 function get_comment_pages_count( $comments = null, $per_page = null, $threaded = null ) { 604 global $wp_query; 605 606 if ( null === $comments && null === $per_page && null === $threaded && !empty($wp_query->max_num_comment_pages) ) 607 return $wp_query->max_num_comment_pages; 608 609 if ( !$comments || !is_array($comments) ) 610 $comments = $wp_query->comments; 611 612 if ( empty($comments) ) 613 return 0; 614 615 if ( !isset($per_page) ) 616 $per_page = (int) get_query_var('comments_per_page'); 617 if ( 0 === $per_page ) 618 $per_page = (int) get_option('comments_per_page'); 619 if ( 0 === $per_page ) 620 return 1; 621 622 if ( !isset($threaded) ) 623 $threaded = get_option('thread_comments'); 624 625 if ( $threaded ) { 626 $walker = new Walker_Comment; 627 $count = ceil( $walker->get_number_of_root_elements( $comments ) / $per_page ); 628 } else { 629 $count = ceil( count( $comments ) / $per_page ); 630 } 631 632 return $count; 633 } 634 635 /** 636 * Calculate what page number a comment will appear on for comment paging. 637 * 638 * @since 2.7.0 639 * @uses get_comment() Gets the full comment of the $comment_ID parameter. 640 * @uses get_option() Get various settings to control function and defaults. 641 * @uses get_page_of_comment() Used to loop up to top level comment. 642 * 643 * @param int $comment_ID Comment ID. 644 * @param array $args Optional args. 645 * @return int|null Comment page number or null on error. 646 */ 647 function get_page_of_comment( $comment_ID, $args = array() ) { 648 global $wpdb; 649 650 if ( !$comment = get_comment( $comment_ID ) ) 651 return; 652 653 $defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' ); 654 $args = wp_parse_args( $args, $defaults ); 655 656 if ( '' === $args['per_page'] && get_option('page_comments') ) 657 $args['per_page'] = get_query_var('comments_per_page'); 658 if ( empty($args['per_page']) ) { 659 $args['per_page'] = 0; 660 $args['page'] = 0; 661 } 662 if ( $args['per_page'] < 1 ) 663 return 1; 664 665 if ( '' === $args['max_depth'] ) { 666 if ( get_option('thread_comments') ) 667 $args['max_depth'] = get_option('thread_comments_depth'); 668 else 669 $args['max_depth'] = -1; 670 } 671 672 // Find this comment's top level parent if threading is enabled 673 if ( $args['max_depth'] > 1 && 0 != $comment->comment_parent ) 674 return get_page_of_comment( $comment->comment_parent, $args ); 675 676 $allowedtypes = array( 677 'comment' => '', 678 'pingback' => 'pingback', 679 'trackback' => 'trackback', 680 ); 681 682 $comtypewhere = ( 'all' != $args['type'] && isset($allowedtypes[$args['type']]) ) ? " AND comment_type = '" . $allowedtypes[$args['type']] . "'" : ''; 683 684 // Count comments older than this one 685 $oldercoms = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = 0 AND comment_approved = '1' AND comment_date_gmt < '%s'" . $comtypewhere, $comment->comment_post_ID, $comment->comment_date_gmt ) ); 686 687 // No older comments? Then it's page #1. 688 if ( 0 == $oldercoms ) 689 return 1; 690 691 // Divide comments older than this one by comments per page to get this comment's page number 692 return ceil( ( $oldercoms + 1 ) / $args['per_page'] ); 693 } 694 695 /** 696 * Does comment contain blacklisted characters or words. 697 * 698 * @since 1.5.0 699 * @uses do_action() Calls 'wp_blacklist_check' hook for all parameters. 700 * 701 * @param string $author The author of the comment 702 * @param string $email The email of the comment 703 * @param string $url The url used in the comment 704 * @param string $comment The comment content 705 * @param string $user_ip The comment author IP address 706 * @param string $user_agent The author's browser user agent 707 * @return bool True if comment contains blacklisted content, false if comment does not 708 */ 709 function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) { 710 do_action('wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent); 711 712 $mod_keys = trim( get_option('blacklist_keys') ); 713 if ( '' == $mod_keys ) 714 return false; // If moderation keys are empty 715 $words = explode("\n", $mod_keys ); 716 717 foreach ( (array) $words as $word ) { 718 $word = trim($word); 719 720 // Skip empty lines 721 if ( empty($word) ) { continue; } 722 723 // Do some escaping magic so that '#' chars in the 724 // spam words don't break things: 725 $word = preg_quote($word, '#'); 726 727 $pattern = "#$word#i"; 728 if ( 729 preg_match($pattern, $author) 730 || preg_match($pattern, $email) 731 || preg_match($pattern, $url) 732 || preg_match($pattern, $comment) 733 || preg_match($pattern, $user_ip) 734 || preg_match($pattern, $user_agent) 735 ) 736 return true; 737 } 738 return false; 739 } 740 741 /** 742 * Retrieve total comments for blog or single post. 743 * 744 * The properties of the returned object contain the 'moderated', 'approved', 745 * and spam comments for either the entire blog or single post. Those properties 746 * contain the amount of comments that match the status. The 'total_comments' 747 * property contains the integer of total comments. 748 * 749 * The comment stats are cached and then retrieved, if they already exist in the 750 * cache. 751 * 752 * @since 2.5.0 753 * 754 * @param int $post_id Optional. Post ID. 755 * @return object Comment stats. 756 */ 757 function wp_count_comments( $post_id = 0 ) { 758 global $wpdb; 759 760 $post_id = (int) $post_id; 761 762 $stats = apply_filters('wp_count_comments', array(), $post_id); 763 if ( !empty($stats) ) 764 return $stats; 765 766 $count = wp_cache_get("comments-{$post_id}", 'counts'); 767 768 if ( false !== $count ) 769 return $count; 770 771 $where = ''; 772 if ( $post_id > 0 ) 773 $where = $wpdb->prepare( "WHERE comment_post_ID = %d", $post_id ); 774 775 $count = $wpdb->get_results( "SELECT comment_approved, COUNT( * ) AS num_comments FROM {$wpdb->comments} {$where} GROUP BY comment_approved", ARRAY_A ); 776 777 $total = 0; 778 $approved = array('0' => 'moderated', '1' => 'approved', 'spam' => 'spam', 'trash' => 'trash', 'post-trashed' => 'post-trashed'); 779 $known_types = array_keys( $approved ); 780 foreach( (array) $count as $row_num => $row ) { 781 // Don't count post-trashed toward totals 782 if ( 'post-trashed' != $row['comment_approved'] && 'trash' != $row['comment_approved'] ) 783 $total += $row['num_comments']; 784 if ( in_array( $row['comment_approved'], $known_types ) ) 785 $stats[$approved[$row['comment_approved']]] = $row['num_comments']; 786 } 787 788 $stats['total_comments'] = $total; 789 foreach ( $approved as $key ) { 790 if ( empty($stats[$key]) ) 791 $stats[$key] = 0; 792 } 793 794 $stats = (object) $stats; 795 wp_cache_set("comments-{$post_id}", $stats, 'counts'); 796 797 return $stats; 798 } 799 800 /** 801 * Removes comment ID and maybe updates post comment count. 802 * 803 * The post comment count will be updated if the comment was approved and has a 804 * post ID available. 805 * 806 * @since 2.0.0 807 * @uses $wpdb 808 * @uses do_action() Calls 'delete_comment' hook on comment ID 809 * @uses do_action() Calls 'deleted_comment' hook on comment ID after deletion, on success 810 * @uses do_action() Calls 'wp_set_comment_status' hook on comment ID with 'delete' set for the second parameter 811 * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object 812 * 813 * @param int $comment_id Comment ID 814 * @return bool False if delete comment query failure, true on success. 815 */ 816 function wp_delete_comment($comment_id) { 817 global $wpdb; 818 if (!$comment = get_comment($comment_id)) 819 return false; 820 821 if (wp_get_comment_status($comment_id) != 'trash' && wp_get_comment_status($comment_id) != 'spam' && EMPTY_TRASH_DAYS > 0) 822 return wp_trash_comment($comment_id); 823 824 do_action('delete_comment', $comment_id); 825 826 // Move children up a level. 827 $children = $wpdb->get_col( $wpdb->prepare("SELECT comment_ID FROM $wpdb->comments WHERE comment_parent = %d", $comment_id) ); 828 if ( !empty($children) ) { 829 $wpdb->update($wpdb->comments, array('comment_parent' => $comment->comment_parent), array('comment_parent' => $comment_id)); 830 clean_comment_cache($children); 831 } 832 833 // Delete metadata 834 $meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->commentmeta WHERE comment_id = %d ", $comment_id ) ); 835 if ( !empty($meta_ids) ) { 836 do_action( 'delete_commentmeta', $meta_ids ); 837 $in_meta_ids = "'" . implode("', '", $meta_ids) . "'"; 838 $wpdb->query( "DELETE FROM $wpdb->commentmeta WHERE meta_id IN ($in_meta_ids)" ); 839 do_action( 'deleted_commentmeta', $meta_ids ); 840 } 841 842 if ( ! $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment_id) ) ) 843 return false; 844 do_action('deleted_comment', $comment_id); 845 846 $post_id = $comment->comment_post_ID; 847 if ( $post_id && $comment->comment_approved == 1 ) 848 wp_update_comment_count($post_id); 849 850 clean_comment_cache($comment_id); 851 852 do_action('wp_set_comment_status', $comment_id, 'delete'); 853 wp_transition_comment_status('delete', $comment->comment_approved, $comment); 854 return true; 855 } 856 857 /** 858 * Moves a comment to the Trash 859 * 860 * @since 2.9.0 861 * @uses do_action() on 'trash_comment' before trashing 862 * @uses do_action() on 'trashed_comment' after trashing 863 * 864 * @param int $comment_id Comment ID. 865 * @return mixed False on failure 866 */ 867 function wp_trash_comment($comment_id) { 868 if ( EMPTY_TRASH_DAYS == 0 ) 869 return wp_delete_comment($comment_id); 870 871 if ( !$comment = get_comment($comment_id) ) 872 return false; 873 874 do_action('trash_comment', $comment_id); 875 876 if ( wp_set_comment_status($comment_id, 'trash') ) { 877 add_comment_meta($comment_id, '_wp_trash_meta_status', $comment->comment_approved); 878 add_comment_meta($comment_id, '_wp_trash_meta_time', time() ); 879 do_action('trashed_comment', $comment_id); 880 return true; 881 } 882 883 return false; 884 } 885 886 /** 887 * Removes a comment from the Trash 888 * 889 * @since 2.9.0 890 * @uses do_action() on 'untrash_comment' before untrashing 891 * @uses do_action() on 'untrashed_comment' after untrashing 892 * 893 * @param int $comment_id Comment ID. 894 * @return mixed False on failure 895 */ 896 function wp_untrash_comment($comment_id) { 897 if ( ! (int)$comment_id ) 898 return false; 899 900 do_action('untrash_comment', $comment_id); 901 902 $status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true); 903 if ( empty($status) ) 904 $status = '0'; 905 906 if ( wp_set_comment_status($comment_id, $status) ) { 907 delete_comment_meta($comment_id, '_wp_trash_meta_time'); 908 delete_comment_meta($comment_id, '_wp_trash_meta_status'); 909 do_action('untrashed_comment', $comment_id); 910 return true; 911 } 912 913 return false; 914 } 915 916 /** 917 * Marks a comment as Spam 918 * 919 * @since 2.9.0 920 * @uses do_action() on 'spam_comment' before spamming 921 * @uses do_action() on 'spammed_comment' after spamming 922 * 923 * @param int $comment_id Comment ID. 924 * @return mixed False on failure 925 */ 926 function wp_spam_comment($comment_id) { 927 if ( !$comment = get_comment($comment_id) ) 928 return false; 929 930 do_action('spam_comment', $comment_id); 931 932 if ( wp_set_comment_status($comment_id, 'spam') ) { 933 add_comment_meta($comment_id, '_wp_trash_meta_status', $comment->comment_approved); 934 do_action('spammed_comment', $comment_id); 935 return true; 936 } 937 938 return false; 939 } 940 941 /** 942 * Removes a comment from the Spam 943 * 944 * @since 2.9.0 945 * @uses do_action() on 'unspam_comment' before unspamming 946 * @uses do_action() on 'unspammed_comment' after unspamming 947 * 948 * @param int $comment_id Comment ID. 949 * @return mixed False on failure 950 */ 951 function wp_unspam_comment($comment_id) { 952 if ( ! (int)$comment_id ) 953 return false; 954 955 do_action('unspam_comment', $comment_id); 956 957 $status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true); 958 if ( empty($status) ) 959 $status = '0'; 960 961 if ( wp_set_comment_status($comment_id, $status) ) { 962 delete_comment_meta($comment_id, '_wp_trash_meta_status'); 963 do_action('unspammed_comment', $comment_id); 964 return true; 965 } 966 967 return false; 968 } 969 970 /** 971 * The status of a comment by ID. 972 * 973 * @since 1.0.0 974 * 975 * @param int $comment_id Comment ID 976 * @return string|bool Status might be 'trash', 'approved', 'unapproved', 'spam'. False on failure. 977 */ 978 function wp_get_comment_status($comment_id) { 979 $comment = get_comment($comment_id); 980 if ( !$comment ) 981 return false; 982 983 $approved = $comment->comment_approved; 984 985 if ( $approved == NULL ) 986 return false; 987 elseif ( $approved == '1' ) 988 return 'approved'; 989 elseif ( $approved == '0' ) 990 return 'unapproved'; 991 elseif ( $approved == 'spam' ) 992 return 'spam'; 993 elseif ( $approved == 'trash' ) 994 return 'trash'; 995 else 996 return false; 997 } 998 999 /** 1000 * Call hooks for when a comment status transition occurs. 1001 * 1002 * Calls hooks for comment status transitions. If the new comment status is not the same 1003 * as the previous comment status, then two hooks will be ran, the first is 1004 * 'transition_comment_status' with new status, old status, and comment data. The 1005 * next action called is 'comment_OLDSTATUS_to_NEWSTATUS' the NEWSTATUS is the 1006 * $new_status parameter and the OLDSTATUS is $old_status parameter; it has the 1007 * comment data. 1008 * 1009 * The final action will run whether or not the comment statuses are the same. The 1010 * action is named 'comment_NEWSTATUS_COMMENTTYPE', NEWSTATUS is from the $new_status 1011 * parameter and COMMENTTYPE is comment_type comment data. 1012 * 1013 * @since 2.7.0 1014 * 1015 * @param string $new_status New comment status. 1016 * @param string $old_status Previous comment status. 1017 * @param object $comment Comment data. 1018 */ 1019 function wp_transition_comment_status($new_status, $old_status, $comment) { 1020 // Translate raw statuses to human readable formats for the hooks 1021 // This is not a complete list of comment status, it's only the ones that need to be renamed 1022 $comment_statuses = array( 1023 0 => 'unapproved', 1024 'hold' => 'unapproved', // wp_set_comment_status() uses "hold" 1025 1 => 'approved', 1026 'approve' => 'approved', // wp_set_comment_status() uses "approve" 1027 ); 1028 if ( isset($comment_statuses[$new_status]) ) $new_status = $comment_statuses[$new_status]; 1029 if ( isset($comment_statuses[$old_status]) ) $old_status = $comment_statuses[$old_status]; 1030 1031 // Call the hooks 1032 if ( $new_status != $old_status ) { 1033 do_action('transition_comment_status', $new_status, $old_status, $comment); 1034 do_action("comment_$old_status}_to_$new_status", $comment); 1035 } 1036 do_action("comment_$new_status}_$comment->comment_type", $comment->comment_ID, $comment); 1037 } 1038 1039 /** 1040 * Get current commenter's name, email, and URL. 1041 * 1042 * Expects cookies content to already be sanitized. User of this function might 1043 * wish to recheck the returned array for validity. 1044 * 1045 * @see sanitize_comment_cookies() Use to sanitize cookies 1046 * 1047 * @since 2.0.4 1048 * 1049 * @return array Comment author, email, url respectively. 1050 */ 1051 function wp_get_current_commenter() { 1052 // Cookies should already be sanitized. 1053 1054 $comment_author = ''; 1055 if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) ) 1056 $comment_author = $_COOKIE['comment_author_'.COOKIEHASH]; 1057 1058 $comment_author_email = ''; 1059 if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ) 1060 $comment_author_email = $_COOKIE['comment_author_email_'.COOKIEHASH]; 1061 1062 $comment_author_url = ''; 1063 if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ) 1064 $comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH]; 1065 1066 return compact('comment_author', 'comment_author_email', 'comment_author_url'); 1067 } 1068 1069 /** 1070 * Inserts a comment to the database. 1071 * 1072 * The available comment data key names are 'comment_author_IP', 'comment_date', 1073 * 'comment_date_gmt', 'comment_parent', 'comment_approved', and 'user_id'. 1074 * 1075 * @since 2.0.0 1076 * @uses $wpdb 1077 * 1078 * @param array $commentdata Contains information on the comment. 1079 * @return int The new comment's ID. 1080 */ 1081 function wp_insert_comment($commentdata) { 1082 global $wpdb; 1083 extract(stripslashes_deep($commentdata), EXTR_SKIP); 1084 1085 if ( ! isset($comment_author_IP) ) 1086 $comment_author_IP = ''; 1087 if ( ! isset($comment_date) ) 1088 $comment_date = current_time('mysql'); 1089 if ( ! isset($comment_date_gmt) ) 1090 $comment_date_gmt = get_gmt_from_date($comment_date); 1091 if ( ! isset($comment_parent) ) 1092 $comment_parent = 0; 1093 if ( ! isset($comment_approved) ) 1094 $comment_approved = 1; 1095 if ( ! isset($comment_karma) ) 1096 $comment_karma = 0; 1097 if ( ! isset($user_id) ) 1098 $user_id = 0; 1099 if ( ! isset($comment_type) ) 1100 $comment_type = ''; 1101 1102 $data = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_karma', 'comment_approved', 'comment_agent', 'comment_type', 'comment_parent', 'user_id'); 1103 $wpdb->insert($wpdb->comments, $data); 1104 1105 $id = (int) $wpdb->insert_id; 1106 1107 if ( $comment_approved == 1 ) 1108 wp_update_comment_count($comment_post_ID); 1109 1110 $comment = get_comment($id); 1111 do_action('wp_insert_comment', $id, $comment); 1112 1113 return $id; 1114 } 1115 1116 /** 1117 * Filters and sanitizes comment data. 1118 * 1119 * Sets the comment data 'filtered' field to true when finished. This can be 1120 * checked as to whether the comment should be filtered and to keep from 1121 * filtering the same comment more than once. 1122 * 1123 * @since 2.0.0 1124 * @uses apply_filters() Calls 'pre_user_id' hook on comment author's user ID 1125 * @uses apply_filters() Calls 'pre_comment_user_agent' hook on comment author's user agent 1126 * @uses apply_filters() Calls 'pre_comment_author_name' hook on comment author's name 1127 * @uses apply_filters() Calls 'pre_comment_content' hook on the comment's content 1128 * @uses apply_filters() Calls 'pre_comment_user_ip' hook on comment author's IP 1129 * @uses apply_filters() Calls 'pre_comment_author_url' hook on comment author's URL 1130 * @uses apply_filters() Calls 'pre_comment_author_email' hook on comment author's email address 1131 * 1132 * @param array $commentdata Contains information on the comment. 1133 * @return array Parsed comment information. 1134 */ 1135 function wp_filter_comment($commentdata) { 1136 if ( isset($commentdata['user_ID']) ) 1137 $commentdata['user_id'] = apply_filters('pre_user_id', $commentdata['user_ID']); 1138 elseif ( isset($commentdata['user_id']) ) 1139 $commentdata['user_id'] = apply_filters('pre_user_id', $commentdata['user_id']); 1140 $commentdata['comment_agent'] = apply_filters('pre_comment_user_agent', $commentdata['comment_agent']); 1141 $commentdata['comment_author'] = apply_filters('pre_comment_author_name', $commentdata['comment_author']); 1142 $commentdata['comment_content'] = apply_filters('pre_comment_content', $commentdata['comment_content']); 1143 $commentdata['comment_author_IP'] = apply_filters('pre_comment_user_ip', $commentdata['comment_author_IP']); 1144 $commentdata['comment_author_url'] = apply_filters('pre_comment_author_url', $commentdata['comment_author_url']); 1145 $commentdata['comment_author_email'] = apply_filters('pre_comment_author_email', $commentdata['comment_author_email']); 1146 $commentdata['filtered'] = true; 1147 return $commentdata; 1148 } 1149 1150 /** 1151 * Whether comment should be blocked because of comment flood. 1152 * 1153 * @since 2.1.0 1154 * 1155 * @param bool $block Whether plugin has already blocked comment. 1156 * @param int $time_lastcomment Timestamp for last comment. 1157 * @param int $time_newcomment Timestamp for new comment. 1158 * @return bool Whether comment should be blocked. 1159 */ 1160 function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment) { 1161 if ( $block ) // a plugin has already blocked... we'll let that decision stand 1162 return $block; 1163 if ( ($time_newcomment - $time_lastcomment) < 15 ) 1164 return true; 1165 return false; 1166 } 1167 1168 /** 1169 * Adds a new comment to the database. 1170 * 1171 * Filters new comment to ensure that the fields are sanitized and valid before 1172 * inserting comment into database. Calls 'comment_post' action with comment ID 1173 * and whether comment is approved by WordPress. Also has 'preprocess_comment' 1174 * filter for processing the comment data before the function handles it. 1175 * 1176 * @since 1.5.0 1177 * @uses apply_filters() Calls 'preprocess_comment' hook on $commentdata parameter array before processing 1178 * @uses do_action() Calls 'comment_post' hook on $comment_ID returned from adding the comment and if the comment was approved. 1179 * @uses wp_filter_comment() Used to filter comment before adding comment. 1180 * @uses wp_allow_comment() checks to see if comment is approved. 1181 * @uses wp_insert_comment() Does the actual comment insertion to the database. 1182 * 1183 * @param array $commentdata Contains information on the comment. 1184 * @return int The ID of the comment after adding. 1185 */ 1186 function wp_new_comment( $commentdata ) { 1187 $commentdata = apply_filters('preprocess_comment', $commentdata); 1188 1189 $commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID']; 1190 if ( isset($commentdata['user_ID']) ) 1191 $commentdata['user_id'] = $commentdata['user_ID'] = (int) $commentdata['user_ID']; 1192 elseif ( isset($commentdata['user_id']) ) 1193 $commentdata['user_id'] = (int) $commentdata['user_id']; 1194 1195 $commentdata['comment_parent'] = isset($commentdata['comment_parent']) ? absint($commentdata['comment_parent']) : 0; 1196 $parent_status = ( 0 < $commentdata['comment_parent'] ) ? wp_get_comment_status($commentdata['comment_parent']) : ''; 1197 $commentdata['comment_parent'] = ( 'approved' == $parent_status || 'unapproved' == $parent_status ) ? $commentdata['comment_parent'] : 0; 1198 1199 $commentdata['comment_author_IP'] = preg_replace( '/[^0-9a-fA-F:., ]/', '',$_SERVER['REMOTE_ADDR'] ); 1200 $commentdata['comment_agent'] = substr($_SERVER['HTTP_USER_AGENT'], 0, 254); 1201 1202 $commentdata['comment_date'] = current_time('mysql'); 1203 $commentdata['comment_date_gmt'] = current_time('mysql', 1); 1204 1205 $commentdata = wp_filter_comment($commentdata); 1206 1207 $commentdata['comment_approved'] = wp_allow_comment($commentdata); 1208 1209 $comment_ID = wp_insert_comment($commentdata); 1210 1211 do_action('comment_post', $comment_ID, $commentdata['comment_approved']); 1212 1213 if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching 1214 if ( '0' == $commentdata['comment_approved'] ) 1215 wp_notify_moderator($comment_ID); 1216 1217 $post = &get_post($commentdata['comment_post_ID']); // Don't notify if it's your own comment 1218 1219 if ( get_option('comments_notify') && $commentdata['comment_approved'] && $post->post_author != $commentdata['user_id'] ) 1220 wp_notify_postauthor($comment_ID, $commentdata['comment_type']); 1221 } 1222 1223 return $comment_ID; 1224 } 1225 1226 /** 1227 * Sets the status of a comment. 1228 * 1229 * The 'wp_set_comment_status' action is called after the comment is handled and 1230 * will only be called, if the comment status is either 'hold', 'approve', or 1231 * 'spam'. If the comment status is not in the list, then false is returned and 1232 * if the status is 'delete', then the comment is deleted without calling the 1233 * action. 1234 * 1235 * @since 1.0.0 1236 * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object 1237 * 1238 * @param int $comment_id Comment ID. 1239 * @param string $comment_status New comment status, either 'hold', 'approve', 'spam', or 'delete'. 1240 * @param bool $wp_error Whether to return a WP_Error object if there is a failure. Default is false. 1241 * @return bool False on failure or deletion and true on success. 1242 */ 1243 function wp_set_comment_status($comment_id, $comment_status, $wp_error = false) { 1244 global $wpdb; 1245 1246 $status = '0'; 1247 switch ( $comment_status ) { 1248 case 'hold': 1249 case '0': 1250 $status = '0'; 1251 break; 1252 case 'approve': 1253 case '1': 1254 $status = '1'; 1255 if ( get_option('comments_notify') ) { 1256 $comment = get_comment($comment_id); 1257 wp_notify_postauthor($comment_id, $comment->comment_type); 1258 } 1259 break; 1260 case 'spam': 1261 $status = 'spam'; 1262 break; 1263 case 'trash': 1264 $status = 'trash'; 1265 break; 1266 default: 1267 return false; 1268 } 1269 1270 $comment_old = wp_clone(get_comment($comment_id)); 1271 1272 if ( !$wpdb->update( $wpdb->comments, array('comment_approved' => $status), array('comment_ID' => $comment_id) ) ) { 1273 if ( $wp_error ) 1274 return new WP_Error('db_update_error', __('Could not update comment status'), $wpdb->last_error); 1275 else 1276 return false; 1277 } 1278 1279 clean_comment_cache($comment_id); 1280 1281 $comment = get_comment($comment_id); 1282 1283 do_action('wp_set_comment_status', $comment_id, $comment_status); 1284 wp_transition_comment_status($comment_status, $comment_old->comment_approved, $comment); 1285 1286 wp_update_comment_count($comment->comment_post_ID); 1287 1288 return true; 1289 } 1290 1291 /** 1292 * Updates an existing comment in the database. 1293 * 1294 * Filters the comment and makes sure certain fields are valid before updating. 1295 * 1296 * @since 2.0.0 1297 * @uses $wpdb 1298 * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object 1299 * 1300 * @param array $commentarr Contains information on the comment. 1301 * @return int Comment was updated if value is 1, or was not updated if value is 0. 1302 */ 1303 function wp_update_comment($commentarr) { 1304 global $wpdb; 1305 1306 // First, get all of the original fields 1307 $comment = get_comment($commentarr['comment_ID'], ARRAY_A); 1308 1309 // Escape data pulled from DB. 1310 $comment = esc_sql($comment); 1311 1312 $old_status = $comment['comment_approved']; 1313 1314 // Merge old and new fields with new fields overwriting old ones. 1315 $commentarr = array_merge($comment, $commentarr); 1316 1317 $commentarr = wp_filter_comment( $commentarr ); 1318 1319 // Now extract the merged array. 1320 extract(stripslashes_deep($commentarr), EXTR_SKIP); 1321 1322 $comment_content = apply_filters('comment_save_pre', $comment_content); 1323 1324 $comment_date_gmt = get_gmt_from_date($comment_date); 1325 1326 if ( !isset($comment_approved) ) 1327 $comment_approved = 1; 1328 else if ( 'hold' == $comment_approved ) 1329 $comment_approved = 0; 1330 else if ( 'approve' == $comment_approved ) 1331 $comment_approved = 1; 1332 1333 $data = compact('comment_content', 'comment_author', 'comment_author_email', 'comment_approved', 'comment_karma', 'comment_author_url', 'comment_date', 'comment_date_gmt'); 1334 $wpdb->update($wpdb->comments, $data, compact('comment_ID')); 1335 1336 $rval = $wpdb->rows_affected; 1337 1338 clean_comment_cache($comment_ID); 1339 wp_update_comment_count($comment_post_ID); 1340 do_action('edit_comment', $comment_ID); 1341 $comment = get_comment($comment_ID); 1342 wp_transition_comment_status($comment->comment_approved, $old_status, $comment); 1343 return $rval; 1344 } 1345 1346 /** 1347 * Whether to defer comment counting. 1348 * 1349 * When setting $defer to true, all post comment counts will not be updated 1350 * until $defer is set to false. When $defer is set to false, then all 1351 * previously deferred updated post comment counts will then be automatically 1352 * updated without having to call wp_update_comment_count() after. 1353 * 1354 * @since 2.5.0 1355 * @staticvar bool $_defer 1356 * 1357 * @param bool $defer 1358 * @return unknown 1359 */ 1360 function wp_defer_comment_counting($defer=null) { 1361 static $_defer = false; 1362 1363 if ( is_bool($defer) ) { 1364 $_defer = $defer; 1365 // flush any deferred counts 1366 if ( !$defer ) 1367 wp_update_comment_count( null, true ); 1368 } 1369 1370 return $_defer; 1371 } 1372 1373 /** 1374 * Updates the comment count for post(s). 1375 * 1376 * When $do_deferred is false (is by default) and the comments have been set to 1377 * be deferred, the post_id will be added to a queue, which will be updated at a 1378 * later date and only updated once per post ID. 1379 * 1380 * If the comments have not be set up to be deferred, then the post will be 1381 * updated. When $do_deferred is set to true, then all previous deferred post 1382 * IDs will be updated along with the current $post_id. 1383 * 1384 * @since 2.1.0 1385 * @see wp_update_comment_count_now() For what could cause a false return value 1386 * 1387 * @param int $post_id Post ID 1388 * @param bool $do_deferred Whether to process previously deferred post comment counts 1389 * @return bool True on success, false on failure 1390 */ 1391 function wp_update_comment_count($post_id, $do_deferred=false) { 1392 static $_deferred = array(); 1393 1394 if ( $do_deferred ) { 1395 $_deferred = array_unique($_deferred); 1396 foreach ( $_deferred as $i => $_post_id ) { 1397 wp_update_comment_count_now($_post_id); 1398 unset( $_deferred[$i] ); /** @todo Move this outside of the foreach and reset $_deferred to an array instead */ 1399 } 1400 } 1401 1402 if ( wp_defer_comment_counting() ) { 1403 $_deferred[] = $post_id; 1404 return true; 1405 } 1406 elseif ( $post_id ) { 1407 return wp_update_comment_count_now($post_id); 1408 } 1409 1410 } 1411 1412 /** 1413 * Updates the comment count for the post. 1414 * 1415 * @since 2.5.0 1416 * @uses $wpdb 1417 * @uses do_action() Calls 'wp_update_comment_count' hook on $post_id, $new, and $old 1418 * @uses do_action() Calls 'edit_posts' hook on $post_id and $post 1419 * 1420 * @param int $post_id Post ID 1421 * @return bool False on '0' $post_id or if post with ID does not exist. True on success. 1422 */ 1423 function wp_update_comment_count_now($post_id) { 1424 global $wpdb; 1425 $post_id = (int) $post_id; 1426 if ( !$post_id ) 1427 return false; 1428 if ( !$post = get_post($post_id) ) 1429 return false; 1430 1431 $old = (int) $post->comment_count; 1432 $new = (int) $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id) ); 1433 $wpdb->update( $wpdb->posts, array('comment_count' => $new), array('ID' => $post_id) ); 1434 1435 if ( 'page' == $post->post_type ) 1436 clean_page_cache( $post_id ); 1437 else 1438 clean_post_cache( $post_id ); 1439 1440 do_action('wp_update_comment_count', $post_id, $new, $old); 1441 do_action('edit_post', $post_id, $post); 1442 1443 return true; 1444 } 1445 1446 // 1447 // Ping and trackback functions. 1448 // 1449 1450 /** 1451 * Finds a pingback server URI based on the given URL. 1452 * 1453 * Checks the HTML for the rel="pingback" link and x-pingback headers. It does 1454 * a check for the x-pingback headers first and returns that, if available. The 1455 * check for the rel="pingback" has more overhead than just the header. 1456 * 1457 * @since 1.5.0 1458 * 1459 * @param string $url URL to ping. 1460 * @param int $deprecated Not Used. 1461 * @return bool|string False on failure, string containing URI on success. 1462 */ 1463 function discover_pingback_server_uri($url, $deprecated = 2048) { 1464 1465 $pingback_str_dquote = 'rel="pingback"'; 1466 $pingback_str_squote = 'rel=\'pingback\''; 1467 1468 /** @todo Should use Filter Extension or custom preg_match instead. */ 1469 $parsed_url = parse_url($url); 1470 1471 if ( ! isset( $parsed_url['host'] ) ) // Not an URL. This should never happen. 1472 return false; 1473 1474 //Do not search for a pingback server on our own uploads 1475 $uploads_dir = wp_upload_dir(); 1476 if ( 0 === strpos($url, $uploads_dir['baseurl']) ) 1477 return false; 1478 1479 $response = wp_remote_head( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) ); 1480 1481 if ( is_wp_error( $response ) ) 1482 return false; 1483 1484 if ( isset( $response['headers']['x-pingback'] ) ) 1485 return $response['headers']['x-pingback']; 1486 1487 // Not an (x)html, sgml, or xml page, no use going further. 1488 if ( isset( $response['headers']['content-type'] ) && preg_match('#(image|audio|video|model)/#is', $response['headers']['content-type']) ) 1489 return false; 1490 1491 // Now do a GET since we're going to look in the html headers (and we're sure its not a binary file) 1492 $response = wp_remote_get( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) ); 1493 1494 if ( is_wp_error( $response ) ) 1495 return false; 1496 1497 $contents = $response['body']; 1498 1499 $pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote); 1500 $pingback_link_offset_squote = strpos($contents, $pingback_str_squote); 1501 if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) { 1502 $quote = ($pingback_link_offset_dquote) ? '"' : '\''; 1503 $pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote; 1504 $pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset); 1505 $pingback_href_start = $pingback_href_pos+6; 1506 $pingback_href_end = @strpos($contents, $quote, $pingback_href_start); 1507 $pingback_server_url_len = $pingback_href_end - $pingback_href_start; 1508 $pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len); 1509 1510 // We may find rel="pingback" but an incomplete pingback URL 1511 if ( $pingback_server_url_len > 0 ) { // We got it! 1512 return $pingback_server_url; 1513 } 1514 } 1515 1516 return false; 1517 } 1518 1519 /** 1520 * Perform all pingbacks, enclosures, trackbacks, and send to pingback services. 1521 * 1522 * @since 2.1.0 1523 * @uses $wpdb 1524 */ 1525 function do_all_pings() { 1526 global $wpdb; 1527 1528 // Do pingbacks 1529 while ($ping = $wpdb->get_row("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme' LIMIT 1")) { 1530 $mid = $wpdb->get_var( "SELECT meta_id FROM {$wpdb->postmeta} WHERE post_id = {$ping->ID} AND meta_key = '_pingme' LIMIT 1"); 1531 do_action( 'delete_postmeta', $mid ); 1532 $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->postmeta} WHERE meta_id = %d", $mid ) ); 1533 do_action( 'deleted_postmeta', $mid ); 1534 pingback($ping->post_content, $ping->ID); 1535 } 1536 1537 // Do Enclosures 1538 while ($enclosure = $wpdb->get_row("SELECT * FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_encloseme' LIMIT 1")) { 1539 $mid = $wpdb->get_var( $wpdb->prepare("SELECT meta_id FROM {$wpdb->postmeta} WHERE post_id = %d AND meta_key = '_encloseme'", $enclosure->ID) ); 1540 do_action( 'delete_postmeta', $mid ); 1541 $wpdb->query( $wpdb->prepare("DELETE FROM {$wpdb->postmeta} WHERE meta_id = %d", $mid) ); 1542 do_action( 'deleted_postmeta', $mid ); 1543 do_enclose($enclosure->post_content, $enclosure->ID); 1544 } 1545 1546 // Do Trackbacks 1547 $trackbacks = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE to_ping <> '' AND post_status = 'publish'"); 1548 if ( is_array($trackbacks) ) 1549 foreach ( $trackbacks as $trackback ) 1550 do_trackbacks($trackback); 1551 1552 //Do Update Services/Generic Pings 1553 generic_ping(); 1554 } 1555 1556 /** 1557 * Perform trackbacks. 1558 * 1559 * @since 1.5.0 1560 * @uses $wpdb 1561 * 1562 * @param int $post_id Post ID to do trackbacks on. 1563 */ 1564 function do_trackbacks($post_id) { 1565 global $wpdb; 1566 1567 $post = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id) ); 1568 $to_ping = get_to_ping($post_id); 1569 $pinged = get_pung($post_id); 1570 if ( empty($to_ping) ) { 1571 $wpdb->update($wpdb->posts, array('to_ping' => ''), array('ID' => $post_id) ); 1572 return; 1573 } 1574 1575 if ( empty($post->post_excerpt) ) 1576 $excerpt = apply_filters('the_content', $post->post_content); 1577 else 1578 $excerpt = apply_filters('the_excerpt', $post->post_excerpt); 1579 $excerpt = str_replace(']]>', ']]>', $excerpt); 1580 $excerpt = wp_html_excerpt($excerpt, 252) . '...'; 1581 1582 $post_title = apply_filters('the_title', $post->post_title); 1583 $post_title = strip_tags($post_title); 1584 1585 if ( $to_ping ) { 1586 foreach ( (array) $to_ping as $tb_ping ) { 1587 $tb_ping = trim($tb_ping); 1588 if ( !in_array($tb_ping, $pinged) ) { 1589 trackback($tb_ping, $post_title, $excerpt, $post_id); 1590 $pinged[] = $tb_ping; 1591 } else { 1592 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_ping', '')) WHERE ID = %d", $post_id) ); 1593 } 1594 } 1595 } 1596 } 1597 1598 /** 1599 * Sends pings to all of the ping site services. 1600 * 1601 * @since 1.2.0 1602 * 1603 * @param int $post_id Post ID. Not actually used. 1604 * @return int Same as Post ID from parameter 1605 */ 1606 function generic_ping($post_id = 0) { 1607 $services = get_option('ping_sites'); 1608 1609 $services = explode("\n", $services); 1610 foreach ( (array) $services as $service ) { 1611 $service = trim($service); 1612 if ( '' != $service ) 1613 weblog_ping($service); 1614 } 1615 1616 return $post_id; 1617 } 1618 1619 /** 1620 * Pings back the links found in a post. 1621 * 1622 * @since 0.71 1623 * @uses $wp_version 1624 * @uses IXR_Client 1625 * 1626 * @param string $content Post content to check for links. 1627 * @param int $post_ID Post ID. 1628 */ 1629 function pingback($content, $post_ID) { 1630 global $wp_version; 1631 include_once (ABSPATH . WPINC . '/class-IXR.php'); 1632 1633 // original code by Mort (http://mort.mine.nu:8080) 1634 $post_links = array(); 1635 1636 $pung = get_pung($post_ID); 1637 1638 // Variables 1639 $ltrs = '\w'; 1640 $gunk = '/#~:.?+=&%@!\-'; 1641 $punc = '.:?\-'; 1642 $any = $ltrs . $gunk . $punc; 1643 1644 // Step 1 1645 // Parsing the post, external links (if any) are stored in the $post_links array 1646 // This regexp comes straight from phpfreaks.com 1647 // http://www.phpfreaks.com/quickcode/Extract_All_URLs_on_a_Page/15.php 1648 preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp); 1649 1650 // Step 2. 1651 // Walking thru the links array 1652 // first we get rid of links pointing to sites, not to specific files 1653 // Example: 1654 // http://dummy-weblog.org 1655 // http://dummy-weblog.org/ 1656 // http://dummy-weblog.org/post.php 1657 // We don't wanna ping first and second types, even if they have a valid <link/> 1658 1659 foreach ( (array) $post_links_temp[0] as $link_test ) : 1660 if ( !in_array($link_test, $pung) && (url_to_postid($link_test) != $post_ID) // If we haven't pung it already and it isn't a link to itself 1661 && !is_local_attachment($link_test) ) : // Also, let's never ping local attachments. 1662 if ( $test = @parse_url($link_test) ) { 1663 if ( isset($test['query']) ) 1664 $post_links[] = $link_test; 1665 elseif ( ($test['path'] != '/') && ($test['path'] != '') ) 1666 $post_links[] = $link_test; 1667 } 1668 endif; 1669 endforeach; 1670 1671 do_action_ref_array('pre_ping', array(&$post_links, &$pung)); 1672 1673 foreach ( (array) $post_links as $pagelinkedto ) { 1674 $pingback_server_url = discover_pingback_server_uri($pagelinkedto, 2048); 1675 1676 if ( $pingback_server_url ) { 1677 @ set_time_limit( 60 ); 1678 // Now, the RPC call 1679 $pagelinkedfrom = get_permalink($post_ID); 1680 1681 // using a timeout of 3 seconds should be enough to cover slow servers 1682 $client = new IXR_Client($pingback_server_url); 1683 $client->timeout = 3; 1684 $client->useragent = apply_filters( 'pingback_useragent', $client->useragent . ' -- WordPress/' . $wp_version, $client->useragent, $pingback_server_url, $pagelinkedto, $pagelinkedfrom); 1685 // when set to true, this outputs debug messages by itself 1686 $client->debug = false; 1687 1688 if ( $client->query('pingback.ping', $pagelinkedfrom, $pagelinkedto) || ( isset($client->error->code) && 48 == $client->error->code ) ) // Already registered 1689 add_ping( $post_ID, $pagelinkedto ); 1690 } 1691 } 1692 } 1693 1694 /** 1695 * Check whether blog is public before returning sites. 1696 * 1697 * @since 2.1.0 1698 * 1699 * @param mixed $sites Will return if blog is public, will not return if not public. 1700 * @return mixed Empty string if blog is not public, returns $sites, if site is public. 1701 */ 1702 function privacy_ping_filter($sites) { 1703 if ( '0' != get_option('blog_public') ) 1704 return $sites; 1705 else 1706 return ''; 1707 } 1708 1709 /** 1710 * Send a Trackback. 1711 * 1712 * Updates database when sending trackback to prevent duplicates. 1713 * 1714 * @since 0.71 1715 * @uses $wpdb 1716 * 1717 * @param string $trackback_url URL to send trackbacks. 1718 * @param string $title Title of post. 1719 * @param string $excerpt Excerpt of post. 1720 * @param int $ID Post ID. 1721 * @return mixed Database query from update. 1722 */ 1723 function trackback($trackback_url, $title, $excerpt, $ID) { 1724 global $wpdb; 1725 1726 if ( empty($trackback_url) ) 1727 return; 1728 1729 $options = array(); 1730 $options['timeout'] = 4; 1731 $options['body'] = array( 1732 'title' => $title, 1733 'url' => get_permalink($ID), 1734 'blog_name' => get_option('blogname'), 1735 'excerpt' => $excerpt 1736 ); 1737 1738 $response = wp_remote_post($trackback_url, $options); 1739 1740 if ( is_wp_error( $response ) ) 1741 return; 1742 1743 $tb_url = addslashes( $trackback_url ); 1744 $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', '$tb_url') WHERE ID = %d", $ID) ); 1745 return $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_url', '')) WHERE ID = %d", $ID) ); 1746 } 1747 1748 /** 1749 * Send a pingback. 1750 * 1751 * @since 1.2.0 1752 * @uses $wp_version 1753 * @uses IXR_Client 1754 * 1755 * @param string $server Host of blog to connect to. 1756 * @param string $path Path to send the ping. 1757 */ 1758 function weblog_ping($server = '', $path = '') { 1759 global $wp_version; 1760 include_once (ABSPATH . WPINC . '/class-IXR.php'); 1761 1762 // using a timeout of 3 seconds should be enough to cover slow servers 1763 $client = new IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path)); 1764 $client->timeout = 3; 1765 $client->useragent .= ' -- WordPress/'.$wp_version; 1766 1767 // when set to true, this outputs debug messages by itself 1768 $client->debug = false; 1769 $home = trailingslashit( get_option('home') ); 1770 if ( !$client->query('weblogUpdates.extendedPing', get_option('blogname'), $home, get_bloginfo('rss2_url') ) ) // then try a normal ping 1771 $client->query('weblogUpdates.ping', get_option('blogname'), $home); 1772 } 1773 1774 // 1775 // Cache 1776 // 1777 1778 /** 1779 * Removes comment ID from the comment cache. 1780 * 1781 * @since 2.3.0 1782 * @package WordPress 1783 * @subpackage Cache 1784 * 1785 * @param int|array $id Comment ID or array of comment IDs to remove from cache 1786 */ 1787 function clean_comment_cache($ids) { 1788 foreach ( (array) $ids as $id ) 1789 wp_cache_delete($id, 'comment'); 1790 } 1791 1792 /** 1793 * Updates the comment cache of given comments. 1794 * 1795 * Will add the comments in $comments to the cache. If comment ID already exists 1796 * in the comment cache then it will not be updated. The comment is added to the 1797 * cache using the comment group with the key using the ID of the comments. 1798 * 1799 * @since 2.3.0 1800 * @package WordPress 1801 * @subpackage Cache 1802 * 1803 * @param array $comments Array of comment row objects 1804 */ 1805 function update_comment_cache($comments) { 1806 foreach ( (array) $comments as $comment ) 1807 wp_cache_add($comment->comment_ID, $comment, 'comment'); 1808 } 1809 1810 // 1811 // Internal 1812 // 1813 1814 /** 1815 * Close comments on old posts on the fly, without any extra DB queries. Hooked to the_posts. 1816 * 1817 * @access private 1818 * @since 2.7.0 1819 * 1820 * @param object $posts Post data object. 1821 * @return object 1822 */ 1823 function _close_comments_for_old_posts( $posts ) { 1824 if ( empty($posts) || !is_singular() || !get_option('close_comments_for_old_posts') ) 1825 return $posts; 1826 1827 $days_old = (int) get_option('close_comments_days_old'); 1828 if ( !$days_old ) 1829 return $posts; 1830 1831 if ( time() - strtotime( $posts[0]->post_date_gmt ) > ( $days_old * 24 * 60 * 60 ) ) { 1832 $posts[0]->comment_status = 'closed'; 1833 $posts[0]->ping_status = 'closed'; 1834 } 1835 1836 return $posts; 1837 } 1838 1839 /** 1840 * Close comments on an old post. Hooked to comments_open and pings_open. 1841 * 1842 * @access private 1843 * @since 2.7.0 1844 * 1845 * @param bool $open Comments open or closed 1846 * @param int $post_id Post ID 1847 * @return bool $open 1848 */ 1849 function _close_comments_for_old_post( $open, $post_id ) { 1850 if ( ! $open ) 1851 return $open; 1852 1853 if ( !get_option('close_comments_for_old_posts') ) 1854 return $open; 1855 1856 $days_old = (int) get_option('close_comments_days_old'); 1857 if ( !$days_old ) 1858 return $open; 1859 1860 $post = get_post($post_id); 1861 1862 if ( time() - strtotime( $post->post_date_gmt ) > ( $days_old * 24 * 60 * 60 ) ) 1863 return false; 1864 1865 return $open; 1866 } 1867 1868 ?>
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| Generated: Fri Jan 8 00:19:48 2010 | Cross-referenced by PHPXref 0.7 |