Projects : mp-wp : mp-wp_genesis
| 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') ) return 0; // If moderation is set to manual |
| 46 | |
| 47 | $textchk = apply_filters('comment_text', $comment); |
| 48 | $linkcount = preg_match_all("|(href\t*?=\t*?['\"]?)?(https?:)?//|i", $textchk, $out); |
| 49 | $plinkcount = preg_match_all("|(href\t*?=\t*?['\"]?)?(https?:)?//trilema\.com/|i",$textchk , $out); |
| 50 | $linkcount_result = $linkcount - $plinkcount; |
| 51 | |
| 52 | $mod_keys = trim(get_option('moderation_keys')); |
| 53 | if ( !empty($mod_keys) ) { |
| 54 | $words = explode("\n", $mod_keys ); |
| 55 | |
| 56 | foreach ( (array) $words as $word) { |
| 57 | $word = trim($word); |
| 58 | |
| 59 | // Skip empty lines |
| 60 | if ( empty($word) ) |
| 61 | continue; |
| 62 | |
| 63 | // Do some escaping magic so that '#' chars in the |
| 64 | // spam words don't break things: |
| 65 | $word = preg_quote($word, '#'); |
| 66 | |
| 67 | $pattern = "#$word#i"; |
| 68 | if ( preg_match($pattern, $author) ) return 0; |
| 69 | if ( preg_match($pattern, $email) ) return 0; |
| 70 | if ( preg_match($pattern, $url) ) return 0; |
| 71 | if ( preg_match($pattern, $comment) ) return 0; |
| 72 | if ( preg_match($pattern, $user_ip) ) return 0; |
| 73 | if ( preg_match($pattern, $user_agent) ) return 0; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | // Comment whitelisting: |
| 78 | if ( 1 == get_option('comment_whitelist')) { |
| 79 | if ( 'trackback' == $comment_type || 'pingback' == $comment_type ) { // check if domain is in blogroll |
| 80 | $uri = parse_url($url); |
| 81 | $domain = $uri['host']; |
| 82 | $uri = parse_url( get_option('home') ); |
| 83 | $home_domain = $uri['host']; |
| 84 | if ( $wpdb->get_var($wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_url LIKE (%s) LIMIT 1", '%'.$domain.'%')) || $domain == $home_domain ) |
| 85 | return 1; |
| 86 | else |
| 87 | return 0; |
| 88 | } elseif ( $author != '' && $email != '' ) { |
| 89 | // expected_slashed ($author, $email) |
| 90 | $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"); |
| 91 | if ( ( 1 == $ok_to_comment ) && |
| 92 | ( empty($mod_keys) || false === strpos( $email, $mod_keys) ) ) |
| 93 | if ($linkcount_result == 0) return 1; else return 0; |
| 94 | else if ($linkcount_result > 1) return "spam"; else return 0; |
| 95 | } else return 0; |
| 96 | } |
| 97 | return 1; |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Retrieve the approved comments for post $post_id. |
| 102 | * |
| 103 | * @since 2.0.0 |
| 104 | * @uses $wpdb |
| 105 | * |
| 106 | * @param int $post_id The ID of the post |
| 107 | * @return array $comments The approved comments |
| 108 | */ |
| 109 | function get_approved_comments($post_id) { |
| 110 | global $wpdb; |
| 111 | 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)); |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Retrieves comment data given a comment ID or comment object. |
| 116 | * |
| 117 | * If an object is passed then the comment data will be cached and then returned |
| 118 | * after being passed through a filter. If the comment is empty, then the global |
| 119 | * comment variable will be used, if it is set. |
| 120 | * |
| 121 | * If the comment is empty, then the global comment variable will be used, if it |
| 122 | * is set. |
| 123 | * |
| 124 | * @since 2.0.0 |
| 125 | * @uses $wpdb |
| 126 | * |
| 127 | * @param object|string|int $comment Comment to retrieve. |
| 128 | * @param string $output Optional. OBJECT or ARRAY_A or ARRAY_N constants. |
| 129 | * @return object|array|null Depends on $output value. |
| 130 | */ |
| 131 | function &get_comment(&$comment, $output = OBJECT) { |
| 132 | global $wpdb; |
| 133 | |
| 134 | if ( empty($comment) ) { |
| 135 | if ( isset($GLOBALS['comment']) ) |
| 136 | $_comment = & $GLOBALS['comment']; |
| 137 | else |
| 138 | $_comment = null; |
| 139 | } elseif ( is_object($comment) ) { |
| 140 | wp_cache_add($comment->comment_ID, $comment, 'comment'); |
| 141 | $_comment = $comment; |
| 142 | } else { |
| 143 | if ( isset($GLOBALS['comment']) && ($GLOBALS['comment']->comment_ID == $comment) ) { |
| 144 | $_comment = & $GLOBALS['comment']; |
| 145 | } elseif ( ! $_comment = wp_cache_get($comment, 'comment') ) { |
| 146 | $_comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment)); |
| 147 | wp_cache_add($_comment->comment_ID, $_comment, 'comment'); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | $_comment = apply_filters('get_comment', $_comment); |
| 152 | |
| 153 | if ( $output == OBJECT ) { |
| 154 | return $_comment; |
| 155 | } elseif ( $output == ARRAY_A ) { |
| 156 | $__comment = get_object_vars($_comment); |
| 157 | return $__comment; |
| 158 | } elseif ( $output == ARRAY_N ) { |
| 159 | $__comment = array_values(get_object_vars($_comment)); |
| 160 | return $__comment; |
| 161 | } else { |
| 162 | return $_comment; |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Retrieve a list of comments. |
| 168 | * |
| 169 | * The list of comment arguments are 'status', 'orderby', 'comment_date_gmt', |
| 170 | * 'order', 'number', 'offset', and 'post_id'. |
| 171 | * |
| 172 | * @since 2.7.0 |
| 173 | * @uses $wpdb |
| 174 | * |
| 175 | * @param mixed $args Optional. Array or string of options to override defaults. |
| 176 | * @return array List of comments. |
| 177 | */ |
| 178 | function get_comments( $args = '' ) { |
| 179 | global $wpdb; |
| 180 | |
| 181 | $defaults = array('status' => '', 'orderby' => 'comment_date_gmt', 'order' => 'DESC', 'number' => '', 'offset' => '', 'post_id' => 0); |
| 182 | |
| 183 | $args = wp_parse_args( $args, $defaults ); |
| 184 | extract( $args, EXTR_SKIP ); |
| 185 | |
| 186 | // $args can be whatever, only use the args defined in defaults to compute the key |
| 187 | $key = md5( serialize( compact(array_keys($defaults)) ) ); |
| 188 | $last_changed = wp_cache_get('last_changed', 'comment'); |
| 189 | if ( !$last_changed ) { |
| 190 | $last_changed = time(); |
| 191 | wp_cache_set('last_changed', $last_changed, 'comment'); |
| 192 | } |
| 193 | $cache_key = "get_comments:$key:$last_changed"; |
| 194 | |
| 195 | if ( $cache = wp_cache_get( $cache_key, 'comment' ) ) { |
| 196 | return $cache; |
| 197 | } |
| 198 | |
| 199 | $post_id = absint($post_id); |
| 200 | |
| 201 | if ( 'hold' == $status ) |
| 202 | $approved = "comment_approved = '0'"; |
| 203 | elseif ( 'approve' == $status ) |
| 204 | $approved = "comment_approved = '1'"; |
| 205 | elseif ( 'spam' == $status ) |
| 206 | $approved = "comment_approved = 'spam'"; |
| 207 | else |
| 208 | $approved = "( comment_approved = '0' OR comment_approved = '1' )"; |
| 209 | |
| 210 | $order = ( 'ASC' == $order ) ? 'ASC' : 'DESC'; |
| 211 | |
| 212 | $orderby = 'comment_date_gmt'; // Hard code for now |
| 213 | |
| 214 | $number = absint($number); |
| 215 | $offset = absint($offset); |
| 216 | |
| 217 | if ( !empty($number) ) { |
| 218 | if ( $offset ) |
| 219 | $number = 'LIMIT ' . $offset . ',' . $number; |
| 220 | else |
| 221 | $number = 'LIMIT ' . $number; |
| 222 | |
| 223 | } else { |
| 224 | $number = ''; |
| 225 | } |
| 226 | |
| 227 | if ( ! empty($post_id) ) |
| 228 | $post_where = $wpdb->prepare( 'comment_post_ID = %d AND', $post_id ); |
| 229 | else |
| 230 | $post_where = ''; |
| 231 | |
| 232 | $comments = $wpdb->get_results( "SELECT * FROM $wpdb->comments WHERE $post_where $approved ORDER BY $orderby $order $number" ); |
| 233 | wp_cache_add( $cache_key, $comments, 'comment' ); |
| 234 | |
| 235 | return $comments; |
| 236 | } |
| 237 | |
| 238 | /** |
| 239 | * Retrieve all of the WordPress supported comment statuses. |
| 240 | * |
| 241 | * Comments have a limited set of valid status values, this provides the comment |
| 242 | * status values and descriptions. |
| 243 | * |
| 244 | * @package WordPress |
| 245 | * @subpackage Post |
| 246 | * @since 2.7.0 |
| 247 | * |
| 248 | * @return array List of comment statuses. |
| 249 | */ |
| 250 | function get_comment_statuses( ) { |
| 251 | $status = array( |
| 252 | 'hold' => __('Unapproved'), |
| 253 | 'approve' => __('Approved'), |
| 254 | 'spam' => _c('Spam|adjective'), |
| 255 | ); |
| 256 | |
| 257 | return $status; |
| 258 | } |
| 259 | |
| 260 | |
| 261 | /** |
| 262 | * The date the last comment was modified. |
| 263 | * |
| 264 | * @since 1.5.0 |
| 265 | * @uses $wpdb |
| 266 | * @global array $cache_lastcommentmodified |
| 267 | * |
| 268 | * @param string $timezone Which timezone to use in reference to 'gmt', 'blog', |
| 269 | * or 'server' locations. |
| 270 | * @return string Last comment modified date. |
| 271 | */ |
| 272 | function get_lastcommentmodified($timezone = 'server') { |
| 273 | global $cache_lastcommentmodified, $wpdb; |
| 274 | |
| 275 | if ( isset($cache_lastcommentmodified[$timezone]) ) |
| 276 | return $cache_lastcommentmodified[$timezone]; |
| 277 | |
| 278 | $add_seconds_server = date('Z'); |
| 279 | |
| 280 | switch ( strtolower($timezone)) { |
| 281 | case 'gmt': |
| 282 | $lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1"); |
| 283 | break; |
| 284 | case 'blog': |
| 285 | $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1"); |
| 286 | break; |
| 287 | case 'server': |
| 288 | $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)); |
| 289 | break; |
| 290 | } |
| 291 | |
| 292 | $cache_lastcommentmodified[$timezone] = $lastcommentmodified; |
| 293 | |
| 294 | return $lastcommentmodified; |
| 295 | } |
| 296 | |
| 297 | /** |
| 298 | * The amount of comments in a post or total comments. |
| 299 | * |
| 300 | * A lot like {@link wp_count_comments()}, in that they both return comment |
| 301 | * stats (albeit with different types). The {@link wp_count_comments()} actual |
| 302 | * caches, but this function does not. |
| 303 | * |
| 304 | * @since 2.0.0 |
| 305 | * @uses $wpdb |
| 306 | * |
| 307 | * @param int $post_id Optional. Comment amount in post if > 0, else total comments blog wide. |
| 308 | * @return array The amount of spam, approved, awaiting moderation, and total comments. |
| 309 | */ |
| 310 | function get_comment_count( $post_id = 0 ) { |
| 311 | global $wpdb; |
| 312 | |
| 313 | $post_id = (int) $post_id; |
| 314 | |
| 315 | $where = ''; |
| 316 | if ( $post_id > 0 ) { |
| 317 | $where = $wpdb->prepare("WHERE comment_post_ID = %d", $post_id); |
| 318 | } |
| 319 | |
| 320 | $totals = (array) $wpdb->get_results(" |
| 321 | SELECT comment_approved, COUNT( * ) AS total |
| 322 | FROM {$wpdb->comments} |
| 323 | {$where} |
| 324 | GROUP BY comment_approved |
| 325 | ", ARRAY_A); |
| 326 | |
| 327 | $comment_count = array( |
| 328 | "approved" => 0, |
| 329 | "awaiting_moderation" => 0, |
| 330 | "spam" => 0, |
| 331 | "total_comments" => 0 |
| 332 | ); |
| 333 | |
| 334 | foreach ( $totals as $row ) { |
| 335 | switch ( $row['comment_approved'] ) { |
| 336 | case 'spam': |
| 337 | $comment_count['spam'] = $row['total']; |
| 338 | $comment_count["total_comments"] += $row['total']; |
| 339 | break; |
| 340 | case 1: |
| 341 | $comment_count['approved'] = $row['total']; |
| 342 | $comment_count['total_comments'] += $row['total']; |
| 343 | break; |
| 344 | case 0: |
| 345 | $comment_count['awaiting_moderation'] = $row['total']; |
| 346 | $comment_count['total_comments'] += $row['total']; |
| 347 | break; |
| 348 | default: |
| 349 | break; |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | return $comment_count; |
| 354 | } |
| 355 | |
| 356 | /** |
| 357 | * Sanitizes the cookies sent to the user already. |
| 358 | * |
| 359 | * Will only do anything if the cookies have already been created for the user. |
| 360 | * Mostly used after cookies had been sent to use elsewhere. |
| 361 | * |
| 362 | * @since 2.0.4 |
| 363 | */ |
| 364 | function sanitize_comment_cookies() { |
| 365 | if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) ) { |
| 366 | $comment_author = apply_filters('pre_comment_author_name', $_COOKIE['comment_author_'.COOKIEHASH]); |
| 367 | $comment_author = stripslashes($comment_author); |
| 368 | $comment_author = attribute_escape($comment_author); |
| 369 | $_COOKIE['comment_author_'.COOKIEHASH] = $comment_author; |
| 370 | } |
| 371 | |
| 372 | if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ) { |
| 373 | $comment_author_email = apply_filters('pre_comment_author_email', $_COOKIE['comment_author_email_'.COOKIEHASH]); |
| 374 | $comment_author_email = stripslashes($comment_author_email); |
| 375 | $comment_author_email = attribute_escape($comment_author_email); |
| 376 | $_COOKIE['comment_author_email_'.COOKIEHASH] = $comment_author_email; |
| 377 | } |
| 378 | |
| 379 | if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ) { |
| 380 | $comment_author_url = apply_filters('pre_comment_author_url', $_COOKIE['comment_author_url_'.COOKIEHASH]); |
| 381 | $comment_author_url = stripslashes($comment_author_url); |
| 382 | $_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url; |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | /** |
| 387 | * Validates whether this comment is allowed to be made or not. |
| 388 | * |
| 389 | * @since 2.0.0 |
| 390 | * @uses $wpdb |
| 391 | * @uses apply_filters() Calls 'pre_comment_approved' hook on the type of comment |
| 392 | * @uses do_action() Calls 'check_comment_flood' hook on $comment_author_IP, $comment_author_email, and $comment_date_gmt |
| 393 | * |
| 394 | * @param array $commentdata Contains information on the comment |
| 395 | * @return mixed Signifies the approval status (0|1|'spam') |
| 396 | */ |
| 397 | function wp_allow_comment($commentdata) { |
| 398 | global $wpdb; |
| 399 | extract($commentdata, EXTR_SKIP); |
| 400 | |
| 401 | // Simple duplicate check |
| 402 | // expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content) |
| 403 | $dupe = "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND ( comment_author = '$comment_author' "; |
| 404 | if ( $comment_author_email ) |
| 405 | $dupe .= "OR comment_author_email = '$comment_author_email' "; |
| 406 | $dupe .= ") AND comment_content = '$comment_content' LIMIT 1"; |
| 407 | if ( $wpdb->get_var($dupe) ) { |
| 408 | if ( defined('DOING_AJAX') ) |
| 409 | die( __('Duplicate comment detected; it looks as though you\'ve already said that!') ); |
| 410 | |
| 411 | wp_die( __('Duplicate comment detected; it looks as though you\'ve already said that!') ); |
| 412 | } |
| 413 | |
| 414 | do_action( 'check_comment_flood', $comment_author_IP, $comment_author_email, $comment_date_gmt ); |
| 415 | |
| 416 | if ( $user_id ) { |
| 417 | $userdata = get_userdata($user_id); |
| 418 | $user = new WP_User($user_id); |
| 419 | $post_author = $wpdb->get_var($wpdb->prepare("SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1", $comment_post_ID)); |
| 420 | } |
| 421 | |
| 422 | if ( isset($userdata) && ( $user_id == $post_author || $user->has_cap('moderate_comments') ) ) { |
| 423 | // The author and the admins get respect. |
| 424 | $approved = 1; |
| 425 | } else { |
| 426 | // Everyone else's comments will be checked. |
| 427 | |
| 428 | // Rewritten nov 2013 to make linky spam go straight to spam. |
| 429 | |
| 430 | $approved = check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type); |
| 431 | |
| 432 | if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) ) $approved = 'spam'; |
| 433 | |
| 434 | } |
| 435 | |
| 436 | $approved = apply_filters('pre_comment_approved', $approved); |
| 437 | return $approved; |
| 438 | } |
| 439 | |
| 440 | /** |
| 441 | * Check whether comment flooding is occurring. |
| 442 | * |
| 443 | * Won't run, if current user can manage options, so to not block |
| 444 | * administrators. |
| 445 | * |
| 446 | * @since 2.3.0 |
| 447 | * @uses $wpdb |
| 448 | * @uses apply_filters() Calls 'comment_flood_filter' filter with first |
| 449 | * parameter false, last comment timestamp, new comment timestamp. |
| 450 | * @uses do_action() Calls 'comment_flood_trigger' action with parameters with |
| 451 | * last comment timestamp and new comment timestamp. |
| 452 | * |
| 453 | * @param string $ip Comment IP. |
| 454 | * @param string $email Comment author email address. |
| 455 | * @param string $date MySQL time string. |
| 456 | */ |
| 457 | function check_comment_flood_db( $ip, $email, $date ) { |
| 458 | global $wpdb; |
| 459 | if ( current_user_can( 'manage_options' ) ) |
| 460 | return; // don't throttle admins |
| 461 | if ( $lasttime = $wpdb->get_var( $wpdb->prepare("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_author_IP = %s OR comment_author_email = %s ORDER BY comment_date DESC LIMIT 1", $ip, $email) ) ) { |
| 462 | $time_lastcomment = mysql2date('U', $lasttime); |
| 463 | $time_newcomment = mysql2date('U', $date); |
| 464 | $flood_die = apply_filters('comment_flood_filter', false, $time_lastcomment, $time_newcomment); |
| 465 | if ( $flood_die ) { |
| 466 | do_action('comment_flood_trigger', $time_lastcomment, $time_newcomment); |
| 467 | |
| 468 | if ( defined('DOING_AJAX') ) |
| 469 | die( __('You are posting comments too quickly. Slow down.') ); |
| 470 | |
| 471 | wp_die( __('You are posting comments too quickly. Slow down.'), '', array('response' => 403) ); |
| 472 | } |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | /** |
| 477 | * Separates an array of comments into an array keyed by comment_type. |
| 478 | * |
| 479 | * @since 2.7.0 |
| 480 | * |
| 481 | * @param array $comments Array of comments |
| 482 | * @return array Array of comments keyed by comment_type. |
| 483 | */ |
| 484 | function &separate_comments(&$comments) { |
| 485 | $comments_by_type = array('comment' => array(), 'trackback' => array(), 'pingback' => array(), 'pings' => array()); |
| 486 | $count = count($comments); |
| 487 | for ( $i = 0; $i < $count; $i++ ) { |
| 488 | $type = $comments[$i]->comment_type; |
| 489 | if ( empty($type) ) |
| 490 | $type = 'comment'; |
| 491 | $comments_by_type[$type][] = &$comments[$i]; |
| 492 | if ( 'trackback' == $type || 'pingback' == $type ) |
| 493 | $comments_by_type['pings'][] = &$comments[$i]; |
| 494 | } |
| 495 | |
| 496 | return $comments_by_type; |
| 497 | } |
| 498 | |
| 499 | /** |
| 500 | * Calculate the total number of comment pages. |
| 501 | * |
| 502 | * @since 2.7.0 |
| 503 | * @uses get_query_var() Used to fill in the default for $per_page parameter. |
| 504 | * @uses get_option() Used to fill in defaults for parameters. |
| 505 | * @uses Walker_Comment |
| 506 | * |
| 507 | * @param array $comments Optional array of comment objects. Defaults to $wp_query->comments |
| 508 | * @param int $per_page Optional comments per page. |
| 509 | * @param boolean $threaded Optional control over flat or threaded comments. |
| 510 | * @return int Number of comment pages. |
| 511 | */ |
| 512 | function get_comment_pages_count( $comments = null, $per_page = null, $threaded = null ) { |
| 513 | global $wp_query; |
| 514 | |
| 515 | if ( null === $comments && null === $per_page && null === $threaded && !empty($wp_query->max_num_comment_pages) ) |
| 516 | return $wp_query->max_num_comment_pages; |
| 517 | |
| 518 | if ( !$comments || !is_array($comments) ) |
| 519 | $comments = $wp_query->comments; |
| 520 | |
| 521 | if ( empty($comments) ) |
| 522 | return 0; |
| 523 | |
| 524 | if ( !isset($per_page) ) |
| 525 | $per_page = (int) get_query_var('comments_per_page'); |
| 526 | if ( 0 === $per_page ) |
| 527 | $per_page = (int) get_option('comments_per_page'); |
| 528 | if ( 0 === $per_page ) |
| 529 | return 1; |
| 530 | |
| 531 | if ( !isset($threaded) ) |
| 532 | $threaded = get_option('thread_comments'); |
| 533 | |
| 534 | if ( $threaded ) { |
| 535 | $walker = new Walker_Comment; |
| 536 | $count = ceil( $walker->get_number_of_root_elements( $comments ) / $per_page ); |
| 537 | } else { |
| 538 | $count = ceil( count( $comments ) / $per_page ); |
| 539 | } |
| 540 | |
| 541 | return $count; |
| 542 | } |
| 543 | |
| 544 | /** |
| 545 | * Calculate what page number a comment will appear on for comment paging. |
| 546 | * |
| 547 | * @since 2.7.0 |
| 548 | * @uses get_comment() Gets the full comment of the $comment_ID parameter. |
| 549 | * @uses get_option() Get various settings to control function and defaults. |
| 550 | * @uses get_page_of_comment() Used to loop up to top level comment. |
| 551 | * |
| 552 | * @param int $comment_ID Comment ID. |
| 553 | * @param array $args Optional args. |
| 554 | * @return int|null Comment page number or null on error. |
| 555 | */ |
| 556 | function get_page_of_comment( $comment_ID, $args = array() ) { |
| 557 | global $wpdb; |
| 558 | |
| 559 | if ( !$comment = get_comment( $comment_ID ) ) |
| 560 | return; |
| 561 | |
| 562 | $defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' ); |
| 563 | $args = wp_parse_args( $args, $defaults ); |
| 564 | |
| 565 | if ( '' === $args['per_page'] && get_option('page_comments') ) |
| 566 | $args['per_page'] = get_query_var('comments_per_page'); |
| 567 | if ( empty($args['per_page']) ) { |
| 568 | $args['per_page'] = 0; |
| 569 | $args['page'] = 0; |
| 570 | } |
| 571 | if ( $args['per_page'] < 1 ) |
| 572 | return 1; |
| 573 | |
| 574 | if ( '' === $args['max_depth'] ) { |
| 575 | if ( get_option('thread_comments') ) |
| 576 | $args['max_depth'] = get_option('thread_comments_depth'); |
| 577 | else |
| 578 | $args['max_depth'] = -1; |
| 579 | } |
| 580 | |
| 581 | // Find this comment's top level parent if threading is enabled |
| 582 | if ( $args['max_depth'] > 1 && 0 != $comment->comment_parent ) |
| 583 | return get_page_of_comment( $comment->comment_parent, $args ); |
| 584 | |
| 585 | $allowedtypes = array( |
| 586 | 'comment' => '', |
| 587 | 'pingback' => 'pingback', |
| 588 | 'trackback' => 'trackback', |
| 589 | ); |
| 590 | |
| 591 | $comtypewhere = ( 'all' != $args['type'] && isset($allowedtypes[$args['type']]) ) ? " AND comment_type = '" . $allowedtypes[$args['type']] . "'" : ''; |
| 592 | |
| 593 | // Count comments older than this one |
| 594 | $oldercoms = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = 0 AND comment_date_gmt < '%s'" . $comtypewhere, $comment->comment_post_ID, $comment->comment_date_gmt ) ); |
| 595 | |
| 596 | // No older comments? Then it's page #1. |
| 597 | if ( 0 == $oldercoms ) |
| 598 | return 1; |
| 599 | |
| 600 | // Divide comments older than this one by comments per page to get this comment's page number |
| 601 | return ceil( ( $oldercoms + 1 ) / $args['per_page'] ); |
| 602 | } |
| 603 | |
| 604 | /** |
| 605 | * Does comment contain blacklisted characters or words. |
| 606 | * |
| 607 | * @since 1.5.0 |
| 608 | * @uses do_action() Calls 'wp_blacklist_check' hook for all parameters. |
| 609 | * |
| 610 | * @param string $author The author of the comment |
| 611 | * @param string $email The email of the comment |
| 612 | * @param string $url The url used in the comment |
| 613 | * @param string $comment The comment content |
| 614 | * @param string $user_ip The comment author IP address |
| 615 | * @param string $user_agent The author's browser user agent |
| 616 | * @return bool True if comment contains blacklisted content, false if comment does not |
| 617 | */ |
| 618 | function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) { |
| 619 | do_action('wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent); |
| 620 | |
| 621 | if ( preg_match_all('/&#(\d+);/', $comment . $author . $url, $chars) ) { |
| 622 | foreach ( (array) $chars[1] as $char ) { |
| 623 | // If it's an encoded char in the normal ASCII set, reject |
| 624 | if ( 38 == $char ) |
| 625 | continue; // Unless it's & |
| 626 | if ( $char < 128 ) |
| 627 | return true; |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | $mod_keys = trim( get_option('blacklist_keys') ); |
| 632 | if ( '' == $mod_keys ) |
| 633 | return false; // If moderation keys are empty |
| 634 | $words = explode("\n", $mod_keys ); |
| 635 | |
| 636 | foreach ( (array) $words as $word ) { |
| 637 | $word = trim($word); |
| 638 | |
| 639 | // Skip empty lines |
| 640 | if ( empty($word) ) { continue; } |
| 641 | |
| 642 | // Do some escaping magic so that '#' chars in the |
| 643 | // spam words don't break things: |
| 644 | $word = preg_quote($word, '#'); |
| 645 | |
| 646 | $pattern = "#$word#i"; |
| 647 | if ( |
| 648 | preg_match($pattern, $author) |
| 649 | || preg_match($pattern, $email) |
| 650 | || preg_match($pattern, $url) |
| 651 | || preg_match($pattern, $comment) |
| 652 | || preg_match($pattern, $user_ip) |
| 653 | || preg_match($pattern, $user_agent) |
| 654 | ) |
| 655 | return true; |
| 656 | } |
| 657 | return false; |
| 658 | } |
| 659 | |
| 660 | /** |
| 661 | * Retrieve total comments for blog or single post. |
| 662 | * |
| 663 | * The properties of the returned object contain the 'moderated', 'approved', |
| 664 | * and spam comments for either the entire blog or single post. Those properties |
| 665 | * contain the amount of comments that match the status. The 'total_comments' |
| 666 | * property contains the integer of total comments. |
| 667 | * |
| 668 | * The comment stats are cached and then retrieved, if they already exist in the |
| 669 | * cache. |
| 670 | * |
| 671 | * @since 2.5.0 |
| 672 | * |
| 673 | * @param int $post_id Optional. Post ID. |
| 674 | * @return object Comment stats. |
| 675 | */ |
| 676 | function wp_count_comments( $post_id = 0 ) { |
| 677 | global $wpdb; |
| 678 | |
| 679 | $post_id = (int) $post_id; |
| 680 | |
| 681 | $stats = apply_filters('wp_count_comments', array(), $post_id); |
| 682 | if ( !empty($stats) ) |
| 683 | return $stats; |
| 684 | |
| 685 | $count = wp_cache_get("comments-{$post_id}", 'counts'); |
| 686 | |
| 687 | if ( false !== $count ) |
| 688 | return $count; |
| 689 | |
| 690 | $where = ''; |
| 691 | if( $post_id > 0 ) |
| 692 | $where = $wpdb->prepare( "WHERE comment_post_ID = %d", $post_id ); |
| 693 | |
| 694 | $count = $wpdb->get_results( "SELECT comment_approved, COUNT( * ) AS num_comments FROM {$wpdb->comments} {$where} GROUP BY comment_approved", ARRAY_A ); |
| 695 | |
| 696 | $total = 0; |
| 697 | $approved = array('0' => 'moderated', '1' => 'approved', 'spam' => 'spam'); |
| 698 | $known_types = array_keys( $approved ); |
| 699 | foreach( (array) $count as $row_num => $row ) { |
| 700 | $total += $row['num_comments']; |
| 701 | if ( in_array( $row['comment_approved'], $known_types ) ) |
| 702 | $stats[$approved[$row['comment_approved']]] = $row['num_comments']; |
| 703 | } |
| 704 | |
| 705 | $stats['total_comments'] = $total; |
| 706 | foreach ( $approved as $key ) { |
| 707 | if ( empty($stats[$key]) ) |
| 708 | $stats[$key] = 0; |
| 709 | } |
| 710 | |
| 711 | $stats = (object) $stats; |
| 712 | wp_cache_set("comments-{$post_id}", $stats, 'counts'); |
| 713 | |
| 714 | return $stats; |
| 715 | } |
| 716 | |
| 717 | /** |
| 718 | * Removes comment ID and maybe updates post comment count. |
| 719 | * |
| 720 | * The post comment count will be updated if the comment was approved and has a |
| 721 | * post ID available. |
| 722 | * |
| 723 | * @since 2.0.0 |
| 724 | * @uses $wpdb |
| 725 | * @uses do_action() Calls 'delete_comment' hook on comment ID |
| 726 | * @uses do_action() Calls 'wp_set_comment_status' hook on comment ID with 'delete' set for the second parameter |
| 727 | * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object |
| 728 | * |
| 729 | * @param int $comment_id Comment ID |
| 730 | * @return bool False if delete comment query failure, true on success. |
| 731 | */ |
| 732 | function wp_delete_comment($comment_id) { |
| 733 | global $wpdb; |
| 734 | do_action('delete_comment', $comment_id); |
| 735 | |
| 736 | $comment = get_comment($comment_id); |
| 737 | |
| 738 | if ( ! $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment_id) ) ) |
| 739 | return false; |
| 740 | |
| 741 | $post_id = $comment->comment_post_ID; |
| 742 | if ( $post_id && $comment->comment_approved == 1 ) |
| 743 | wp_update_comment_count($post_id); |
| 744 | |
| 745 | clean_comment_cache($comment_id); |
| 746 | |
| 747 | do_action('wp_set_comment_status', $comment_id, 'delete'); |
| 748 | wp_transition_comment_status('delete', $comment->comment_approved, $comment); |
| 749 | return true; |
| 750 | } |
| 751 | |
| 752 | /** |
| 753 | * The status of a comment by ID. |
| 754 | * |
| 755 | * @since 1.0.0 |
| 756 | * |
| 757 | * @param int $comment_id Comment ID |
| 758 | * @return string|bool Status might be 'deleted', 'approved', 'unapproved', 'spam'. False on failure. |
| 759 | */ |
| 760 | function wp_get_comment_status($comment_id) { |
| 761 | $comment = get_comment($comment_id); |
| 762 | if ( !$comment ) |
| 763 | return false; |
| 764 | |
| 765 | $approved = $comment->comment_approved; |
| 766 | |
| 767 | if ( $approved == NULL ) |
| 768 | return 'deleted'; |
| 769 | elseif ( $approved == '1' ) |
| 770 | return 'approved'; |
| 771 | elseif ( $approved == '0' ) |
| 772 | return 'unapproved'; |
| 773 | elseif ( $approved == 'spam' ) |
| 774 | return 'spam'; |
| 775 | else |
| 776 | return false; |
| 777 | } |
| 778 | |
| 779 | /** |
| 780 | * Call hooks for when a comment status transition occurs. |
| 781 | * |
| 782 | * Calls hooks for comment status transitions. If the new comment status is not the same |
| 783 | * as the previous comment status, then two hooks will be ran, the first is |
| 784 | * 'transition_comment_status' with new status, old status, and comment data. The |
| 785 | * next action called is 'comment_OLDSTATUS_to_NEWSTATUS' the NEWSTATUS is the |
| 786 | * $new_status parameter and the OLDSTATUS is $old_status parameter; it has the |
| 787 | * comment data. |
| 788 | * |
| 789 | * The final action will run whether or not the comment statuses are the same. The |
| 790 | * action is named 'comment_NEWSTATUS_COMMENTTYPE', NEWSTATUS is from the $new_status |
| 791 | * parameter and COMMENTTYPE is comment_type comment data. |
| 792 | * |
| 793 | * @since 2.7.0 |
| 794 | * |
| 795 | * @param string $new_status New comment status. |
| 796 | * @param string $old_status Previous comment status. |
| 797 | * @param object $comment Comment data. |
| 798 | */ |
| 799 | function wp_transition_comment_status($new_status, $old_status, $comment) { |
| 800 | // Translate raw statuses to human readable formats for the hooks |
| 801 | // This is not a complete list of comment status, it's only the ones that need to be renamed |
| 802 | $comment_statuses = array( |
| 803 | 0 => 'unapproved', |
| 804 | 'hold' => 'unapproved', // wp_set_comment_status() uses "hold" |
| 805 | 1 => 'approved', |
| 806 | 'approve' => 'approved', // wp_set_comment_status() uses "approve" |
| 807 | ); |
| 808 | if ( isset($comment_statuses[$new_status]) ) $new_status = $comment_statuses[$new_status]; |
| 809 | if ( isset($comment_statuses[$old_status]) ) $old_status = $comment_statuses[$old_status]; |
| 810 | |
| 811 | // Call the hooks |
| 812 | if ( $new_status != $old_status ) { |
| 813 | do_action('transition_comment_status', $new_status, $old_status, $comment); |
| 814 | do_action("comment_${old_status}_to_$new_status", $comment); |
| 815 | } |
| 816 | do_action("comment_${new_status}_$comment->comment_type", $comment->comment_ID, $comment); |
| 817 | } |
| 818 | |
| 819 | /** |
| 820 | * Get current commenter's name, email, and URL. |
| 821 | * |
| 822 | * Expects cookies content to already be sanitized. User of this function might |
| 823 | * wish to recheck the returned array for validity. |
| 824 | * |
| 825 | * @see sanitize_comment_cookies() Use to sanitize cookies |
| 826 | * |
| 827 | * @since 2.0.4 |
| 828 | * |
| 829 | * @return array Comment author, email, url respectively. |
| 830 | */ |
| 831 | function wp_get_current_commenter() { |
| 832 | // Cookies should already be sanitized. |
| 833 | |
| 834 | $comment_author = ''; |
| 835 | if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) ) |
| 836 | $comment_author = $_COOKIE['comment_author_'.COOKIEHASH]; |
| 837 | |
| 838 | $comment_author_email = ''; |
| 839 | if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ) |
| 840 | $comment_author_email = $_COOKIE['comment_author_email_'.COOKIEHASH]; |
| 841 | |
| 842 | $comment_author_url = ''; |
| 843 | if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ) |
| 844 | $comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH]; |
| 845 | |
| 846 | return compact('comment_author', 'comment_author_email', 'comment_author_url'); |
| 847 | } |
| 848 | |
| 849 | /** |
| 850 | * Inserts a comment to the database. |
| 851 | * |
| 852 | * The available comment data key names are 'comment_author_IP', 'comment_date', |
| 853 | * 'comment_date_gmt', 'comment_parent', 'comment_approved', and 'user_id'. |
| 854 | * |
| 855 | * @since 2.0.0 |
| 856 | * @uses $wpdb |
| 857 | * |
| 858 | * @param array $commentdata Contains information on the comment. |
| 859 | * @return int The new comment's ID. |
| 860 | */ |
| 861 | function wp_insert_comment($commentdata) { |
| 862 | global $wpdb; |
| 863 | extract(stripslashes_deep($commentdata), EXTR_SKIP); |
| 864 | |
| 865 | if ( ! isset($comment_author_IP) ) |
| 866 | $comment_author_IP = ''; |
| 867 | if ( ! isset($comment_date) ) |
| 868 | $comment_date = current_time('mysql'); |
| 869 | if ( ! isset($comment_date_gmt) ) |
| 870 | $comment_date_gmt = get_gmt_from_date($comment_date); |
| 871 | if ( ! isset($comment_parent) ) |
| 872 | $comment_parent = 0; |
| 873 | if ( ! isset($comment_approved) ) |
| 874 | $comment_approved = 1; |
| 875 | if ( ! isset($user_id) ) |
| 876 | $user_id = 0; |
| 877 | if ( ! isset($comment_type) ) |
| 878 | $comment_type = ''; |
| 879 | |
| 880 | $result = $wpdb->query( $wpdb->prepare("INSERT INTO $wpdb->comments |
| 881 | (comment_post_ID, comment_author, comment_author_email, comment_author_url, comment_author_IP, comment_date, comment_date_gmt, comment_content, comment_approved, comment_agent, comment_type, comment_parent, user_id) |
| 882 | VALUES (%d, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %d, %d)", |
| 883 | $comment_post_ID, $comment_author, $comment_author_email, $comment_author_url, $comment_author_IP, $comment_date, $comment_date_gmt, $comment_content, $comment_approved, $comment_agent, $comment_type, $comment_parent, $user_id) ); |
| 884 | |
| 885 | $id = (int) $wpdb->insert_id; |
| 886 | |
| 887 | if ( $comment_approved == 1) |
| 888 | wp_update_comment_count($comment_post_ID); |
| 889 | |
| 890 | return $id; |
| 891 | } |
| 892 | |
| 893 | /** |
| 894 | * Filters and sanitizes comment data. |
| 895 | * |
| 896 | * Sets the comment data 'filtered' field to true when finished. This can be |
| 897 | * checked as to whether the comment should be filtered and to keep from |
| 898 | * filtering the same comment more than once. |
| 899 | * |
| 900 | * @since 2.0.0 |
| 901 | * @uses apply_filters() Calls 'pre_user_id' hook on comment author's user ID |
| 902 | * @uses apply_filters() Calls 'pre_comment_user_agent' hook on comment author's user agent |
| 903 | * @uses apply_filters() Calls 'pre_comment_author_name' hook on comment author's name |
| 904 | * @uses apply_filters() Calls 'pre_comment_content' hook on the comment's content |
| 905 | * @uses apply_filters() Calls 'pre_comment_user_ip' hook on comment author's IP |
| 906 | * @uses apply_filters() Calls 'pre_comment_author_url' hook on comment author's URL |
| 907 | * @uses apply_filters() Calls 'pre_comment_author_email' hook on comment author's email address |
| 908 | * |
| 909 | * @param array $commentdata Contains information on the comment. |
| 910 | * @return array Parsed comment information. |
| 911 | */ |
| 912 | function wp_filter_comment($commentdata) { |
| 913 | $commentdata['user_id'] = apply_filters('pre_user_id', $commentdata['user_ID']); |
| 914 | $commentdata['comment_agent'] = apply_filters('pre_comment_user_agent', $commentdata['comment_agent']); |
| 915 | $commentdata['comment_author'] = apply_filters('pre_comment_author_name', $commentdata['comment_author']); |
| 916 | $commentdata['comment_content'] = apply_filters('pre_comment_content', $commentdata['comment_content']); |
| 917 | $commentdata['comment_author_IP'] = apply_filters('pre_comment_user_ip', $commentdata['comment_author_IP']); |
| 918 | $commentdata['comment_author_url'] = apply_filters('pre_comment_author_url', $commentdata['comment_author_url']); |
| 919 | $commentdata['comment_author_email'] = apply_filters('pre_comment_author_email', $commentdata['comment_author_email']); |
| 920 | $commentdata['filtered'] = true; |
| 921 | return $commentdata; |
| 922 | } |
| 923 | |
| 924 | /** |
| 925 | * Whether comment should be blocked because of comment flood. |
| 926 | * |
| 927 | * @since 2.1.0 |
| 928 | * |
| 929 | * @param bool $block Whether plugin has already blocked comment. |
| 930 | * @param int $time_lastcomment Timestamp for last comment. |
| 931 | * @param int $time_newcomment Timestamp for new comment. |
| 932 | * @return bool Whether comment should be blocked. |
| 933 | */ |
| 934 | function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment) { |
| 935 | if ( $block ) // a plugin has already blocked... we'll let that decision stand |
| 936 | return $block; |
| 937 | if ( ($time_newcomment - $time_lastcomment) < 15 ) |
| 938 | return true; |
| 939 | return false; |
| 940 | } |
| 941 | |
| 942 | /** |
| 943 | * Adds a new comment to the database. |
| 944 | * |
| 945 | * Filters new comment to ensure that the fields are sanitized and valid before |
| 946 | * inserting comment into database. Calls 'comment_post' action with comment ID |
| 947 | * and whether comment is approved by WordPress. Also has 'preprocess_comment' |
| 948 | * filter for processing the comment data before the function handles it. |
| 949 | * |
| 950 | * @since 1.5.0 |
| 951 | * @uses apply_filters() Calls 'preprocess_comment' hook on $commentdata parameter array before processing |
| 952 | * @uses do_action() Calls 'comment_post' hook on $comment_ID returned from adding the comment and if the comment was approved. |
| 953 | * @uses wp_filter_comment() Used to filter comment before adding comment. |
| 954 | * @uses wp_allow_comment() checks to see if comment is approved. |
| 955 | * @uses wp_insert_comment() Does the actual comment insertion to the database. |
| 956 | * |
| 957 | * @param array $commentdata Contains information on the comment. |
| 958 | * @return int The ID of the comment after adding. |
| 959 | */ |
| 960 | function wp_new_comment( $commentdata ) { |
| 961 | $commentdata = apply_filters('preprocess_comment', $commentdata); |
| 962 | |
| 963 | $commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID']; |
| 964 | $commentdata['user_ID'] = (int) $commentdata['user_ID']; |
| 965 | |
| 966 | $commentdata['comment_parent'] = absint($commentdata['comment_parent']); |
| 967 | $parent_status = ( 0 < $commentdata['comment_parent'] ) ? wp_get_comment_status($commentdata['comment_parent']) : ''; |
| 968 | $commentdata['comment_parent'] = ( 'approved' == $parent_status || 'unapproved' == $parent_status ) ? $commentdata['comment_parent'] : 0; |
| 969 | |
| 970 | $commentdata['comment_author_IP'] = preg_replace( '/[^0-9a-fA-F:., ]/', '',$_SERVER['REMOTE_ADDR'] ); |
| 971 | $commentdata['comment_agent'] = $_SERVER['HTTP_USER_AGENT']; |
| 972 | |
| 973 | $commentdata['comment_date'] = current_time('mysql'); |
| 974 | $commentdata['comment_date_gmt'] = current_time('mysql', 1); |
| 975 | |
| 976 | $commentdata = wp_filter_comment($commentdata); |
| 977 | |
| 978 | $commentdata['comment_approved'] = wp_allow_comment($commentdata); |
| 979 | |
| 980 | $comment_ID = wp_insert_comment($commentdata); |
| 981 | |
| 982 | do_action('comment_post', $comment_ID, $commentdata['comment_approved']); |
| 983 | |
| 984 | if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching |
| 985 | if ( '0' == $commentdata['comment_approved'] ) |
| 986 | wp_notify_moderator($comment_ID); |
| 987 | |
| 988 | $post = &get_post($commentdata['comment_post_ID']); // Don't notify if it's your own comment |
| 989 | |
| 990 | if ( get_option('comments_notify') && $commentdata['comment_approved'] && $post->post_author != $commentdata['user_ID'] ) |
| 991 | wp_notify_postauthor($comment_ID, $commentdata['comment_type']); |
| 992 | } |
| 993 | |
| 994 | return $comment_ID; |
| 995 | } |
| 996 | |
| 997 | /** |
| 998 | * Sets the status of a comment. |
| 999 | * |
| 1000 | * The 'wp_set_comment_status' action is called after the comment is handled and |
| 1001 | * will only be called, if the comment status is either 'hold', 'approve', or |
| 1002 | * 'spam'. If the comment status is not in the list, then false is returned and |
| 1003 | * if the status is 'delete', then the comment is deleted without calling the |
| 1004 | * action. |
| 1005 | * |
| 1006 | * @since 1.0.0 |
| 1007 | * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object |
| 1008 | * |
| 1009 | * @param int $comment_id Comment ID. |
| 1010 | * @param string $comment_status New comment status, either 'hold', 'approve', 'spam', or 'delete'. |
| 1011 | * @return bool False on failure or deletion and true on success. |
| 1012 | */ |
| 1013 | function wp_set_comment_status($comment_id, $comment_status) { |
| 1014 | global $wpdb; |
| 1015 | |
| 1016 | switch ( $comment_status ) { |
| 1017 | case 'hold': |
| 1018 | $query = $wpdb->prepare("UPDATE $wpdb->comments SET comment_approved='0' WHERE comment_ID = %d LIMIT 1", $comment_id); |
| 1019 | break; |
| 1020 | case 'approve': |
| 1021 | $query = $wpdb->prepare("UPDATE $wpdb->comments SET comment_approved='1' WHERE comment_ID = %d LIMIT 1", $comment_id); |
| 1022 | if ( get_option('comments_notify') ) { |
| 1023 | $comment = get_comment($comment_id); |
| 1024 | wp_notify_postauthor($comment_id, $comment->comment_type); |
| 1025 | } |
| 1026 | break; |
| 1027 | case 'spam': |
| 1028 | $query = $wpdb->prepare("UPDATE $wpdb->comments SET comment_approved='spam' WHERE comment_ID = %d LIMIT 1", $comment_id); |
| 1029 | break; |
| 1030 | case 'delete': |
| 1031 | return wp_delete_comment($comment_id); |
| 1032 | break; |
| 1033 | default: |
| 1034 | return false; |
| 1035 | } |
| 1036 | |
| 1037 | if ( !$wpdb->query($query) ) |
| 1038 | return false; |
| 1039 | |
| 1040 | clean_comment_cache($comment_id); |
| 1041 | |
| 1042 | $comment = get_comment($comment_id); |
| 1043 | |
| 1044 | do_action('wp_set_comment_status', $comment_id, $comment_status); |
| 1045 | wp_transition_comment_status($comment_status, $comment->comment_approved, $comment); |
| 1046 | |
| 1047 | wp_update_comment_count($comment->comment_post_ID); |
| 1048 | |
| 1049 | return true; |
| 1050 | } |
| 1051 | |
| 1052 | /** |
| 1053 | * Updates an existing comment in the database. |
| 1054 | * |
| 1055 | * Filters the comment and makes sure certain fields are valid before updating. |
| 1056 | * |
| 1057 | * @since 2.0.0 |
| 1058 | * @uses $wpdb |
| 1059 | * @uses wp_transition_comment_status() Passes new and old comment status along with $comment object |
| 1060 | * |
| 1061 | * @param array $commentarr Contains information on the comment. |
| 1062 | * @return int Comment was updated if value is 1, or was not updated if value is 0. |
| 1063 | */ |
| 1064 | function wp_update_comment($commentarr) { |
| 1065 | global $wpdb; |
| 1066 | |
| 1067 | // First, get all of the original fields |
| 1068 | $comment = get_comment($commentarr['comment_ID'], ARRAY_A); |
| 1069 | |
| 1070 | // Escape data pulled from DB. |
| 1071 | foreach ( (array) $comment as $key => $value ) |
| 1072 | $comment[$key] = $wpdb->escape($value); |
| 1073 | |
| 1074 | // Merge old and new fields with new fields overwriting old ones. |
| 1075 | $commentarr = array_merge($comment, $commentarr); |
| 1076 | |
| 1077 | $commentarr = wp_filter_comment( $commentarr ); |
| 1078 | |
| 1079 | // Now extract the merged array. |
| 1080 | extract(stripslashes_deep($commentarr), EXTR_SKIP); |
| 1081 | |
| 1082 | $comment_content = apply_filters('comment_save_pre', $comment_content); |
| 1083 | |
| 1084 | $comment_date_gmt = get_gmt_from_date($comment_date); |
| 1085 | |
| 1086 | if ( !isset($comment_approved) ) |
| 1087 | $comment_approved = 1; |
| 1088 | else if ( 'hold' == $comment_approved ) |
| 1089 | $comment_approved = 0; |
| 1090 | else if ( 'approve' == $comment_approved ) |
| 1091 | $comment_approved = 1; |
| 1092 | |
| 1093 | $wpdb->query( $wpdb->prepare("UPDATE $wpdb->comments SET |
| 1094 | comment_content = %s, |
| 1095 | comment_author = %s, |
| 1096 | comment_author_email = %s, |
| 1097 | comment_approved = %s, |
| 1098 | comment_author_url = %s, |
| 1099 | comment_date = %s, |
| 1100 | comment_date_gmt = %s |
| 1101 | WHERE comment_ID = %d", |
| 1102 | $comment_content, |
| 1103 | $comment_author, |
| 1104 | $comment_author_email, |
| 1105 | $comment_approved, |
| 1106 | $comment_author_url, |
| 1107 | $comment_date, |
| 1108 | $comment_date_gmt, |
| 1109 | $comment_ID) ); |
| 1110 | |
| 1111 | $rval = $wpdb->rows_affected; |
| 1112 | |
| 1113 | clean_comment_cache($comment_ID); |
| 1114 | wp_update_comment_count($comment_post_ID); |
| 1115 | do_action('edit_comment', $comment_ID); |
| 1116 | $comment = get_comment($comment_ID); |
| 1117 | wp_transition_comment_status($comment_approved, $comment->comment_approved, $comment); |
| 1118 | return $rval; |
| 1119 | } |
| 1120 | |
| 1121 | /** |
| 1122 | * Whether to defer comment counting. |
| 1123 | * |
| 1124 | * When setting $defer to true, all post comment counts will not be updated |
| 1125 | * until $defer is set to false. When $defer is set to false, then all |
| 1126 | * previously deferred updated post comment counts will then be automatically |
| 1127 | * updated without having to call wp_update_comment_count() after. |
| 1128 | * |
| 1129 | * @since 2.5.0 |
| 1130 | * @staticvar bool $_defer |
| 1131 | * |
| 1132 | * @param bool $defer |
| 1133 | * @return unknown |
| 1134 | */ |
| 1135 | function wp_defer_comment_counting($defer=null) { |
| 1136 | static $_defer = false; |
| 1137 | |
| 1138 | if ( is_bool($defer) ) { |
| 1139 | $_defer = $defer; |
| 1140 | // flush any deferred counts |
| 1141 | if ( !$defer ) |
| 1142 | wp_update_comment_count( null, true ); |
| 1143 | } |
| 1144 | |
| 1145 | return $_defer; |
| 1146 | } |
| 1147 | |
| 1148 | /** |
| 1149 | * Updates the comment count for post(s). |
| 1150 | * |
| 1151 | * When $do_deferred is false (is by default) and the comments have been set to |
| 1152 | * be deferred, the post_id will be added to a queue, which will be updated at a |
| 1153 | * later date and only updated once per post ID. |
| 1154 | * |
| 1155 | * If the comments have not be set up to be deferred, then the post will be |
| 1156 | * updated. When $do_deferred is set to true, then all previous deferred post |
| 1157 | * IDs will be updated along with the current $post_id. |
| 1158 | * |
| 1159 | * @since 2.1.0 |
| 1160 | * @see wp_update_comment_count_now() For what could cause a false return value |
| 1161 | * |
| 1162 | * @param int $post_id Post ID |
| 1163 | * @param bool $do_deferred Whether to process previously deferred post comment counts |
| 1164 | * @return bool True on success, false on failure |
| 1165 | */ |
| 1166 | function wp_update_comment_count($post_id, $do_deferred=false) { |
| 1167 | static $_deferred = array(); |
| 1168 | |
| 1169 | if ( $do_deferred ) { |
| 1170 | $_deferred = array_unique($_deferred); |
| 1171 | foreach ( $_deferred as $i => $_post_id ) { |
| 1172 | wp_update_comment_count_now($_post_id); |
| 1173 | unset( $_deferred[$i] ); /** @todo Move this outside of the foreach and reset $_deferred to an array instead */ |
| 1174 | } |
| 1175 | } |
| 1176 | |
| 1177 | if ( wp_defer_comment_counting() ) { |
| 1178 | $_deferred[] = $post_id; |
| 1179 | return true; |
| 1180 | } |
| 1181 | elseif ( $post_id ) { |
| 1182 | return wp_update_comment_count_now($post_id); |
| 1183 | } |
| 1184 | |
| 1185 | } |
| 1186 | |
| 1187 | /** |
| 1188 | * Updates the comment count for the post. |
| 1189 | * |
| 1190 | * @since 2.5.0 |
| 1191 | * @uses $wpdb |
| 1192 | * @uses do_action() Calls 'wp_update_comment_count' hook on $post_id, $new, and $old |
| 1193 | * @uses do_action() Calls 'edit_posts' hook on $post_id and $post |
| 1194 | * |
| 1195 | * @param int $post_id Post ID |
| 1196 | * @return bool False on '0' $post_id or if post with ID does not exist. True on success. |
| 1197 | */ |
| 1198 | function wp_update_comment_count_now($post_id) { |
| 1199 | global $wpdb; |
| 1200 | $post_id = (int) $post_id; |
| 1201 | if ( !$post_id ) |
| 1202 | return false; |
| 1203 | if ( !$post = get_post($post_id) ) |
| 1204 | return false; |
| 1205 | |
| 1206 | $old = (int) $post->comment_count; |
| 1207 | $new = (int) $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id) ); |
| 1208 | $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET comment_count = %d WHERE ID = %d", $new, $post_id) ); |
| 1209 | |
| 1210 | if ( 'page' == $post->post_type ) |
| 1211 | clean_page_cache( $post_id ); |
| 1212 | else |
| 1213 | clean_post_cache( $post_id ); |
| 1214 | |
| 1215 | do_action('wp_update_comment_count', $post_id, $new, $old); |
| 1216 | do_action('edit_post', $post_id, $post); |
| 1217 | |
| 1218 | return true; |
| 1219 | } |
| 1220 | |
| 1221 | // |
| 1222 | // Ping and trackback functions. |
| 1223 | // |
| 1224 | |
| 1225 | /** |
| 1226 | * Finds a pingback server URI based on the given URL. |
| 1227 | * |
| 1228 | * Checks the HTML for the rel="pingback" link and x-pingback headers. It does |
| 1229 | * a check for the x-pingback headers first and returns that, if available. The |
| 1230 | * check for the rel="pingback" has more overhead than just the header. |
| 1231 | * |
| 1232 | * @since 1.5.0 |
| 1233 | * |
| 1234 | * @param string $url URL to ping. |
| 1235 | * @param int $deprecated Not Used. |
| 1236 | * @return bool|string False on failure, string containing URI on success. |
| 1237 | */ |
| 1238 | function discover_pingback_server_uri($url, $deprecated = 2048) { |
| 1239 | |
| 1240 | $pingback_str_dquote = 'rel="pingback"'; |
| 1241 | $pingback_str_squote = 'rel=\'pingback\''; |
| 1242 | |
| 1243 | /** @todo Should use Filter Extension or custom preg_match instead. */ |
| 1244 | $parsed_url = parse_url($url); |
| 1245 | |
| 1246 | if ( ! isset( $parsed_url['host'] ) ) // Not an URL. This should never happen. |
| 1247 | return false; |
| 1248 | |
| 1249 | $response = wp_remote_get( $url, array( 'timeout' => 2, 'httpversion' => '1.1' ) ); |
| 1250 | |
| 1251 | if ( is_wp_error( $response ) ) |
| 1252 | return false; |
| 1253 | |
| 1254 | if ( isset( $response['headers']['x-pingback'] ) ) |
| 1255 | return $response['headers']['x-pingback']; |
| 1256 | |
| 1257 | // Not an (x)html, sgml, or xml page, no use going further. |
| 1258 | if ( isset( $response['headers']['content-type'] ) && preg_match('#(image|audio|video|model)/#is', $response['headers']['content-type']) ) |
| 1259 | return false; |
| 1260 | |
| 1261 | $contents = $response['body']; |
| 1262 | |
| 1263 | $pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote); |
| 1264 | $pingback_link_offset_squote = strpos($contents, $pingback_str_squote); |
| 1265 | if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) { |
| 1266 | $quote = ($pingback_link_offset_dquote) ? '"' : '\''; |
| 1267 | $pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote; |
| 1268 | $pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset); |
| 1269 | $pingback_href_start = $pingback_href_pos+6; |
| 1270 | $pingback_href_end = @strpos($contents, $quote, $pingback_href_start); |
| 1271 | $pingback_server_url_len = $pingback_href_end - $pingback_href_start; |
| 1272 | $pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len); |
| 1273 | |
| 1274 | // We may find rel="pingback" but an incomplete pingback URL |
| 1275 | if ( $pingback_server_url_len > 0 ) { // We got it! |
| 1276 | return $pingback_server_url; |
| 1277 | } |
| 1278 | } |
| 1279 | |
| 1280 | return false; |
| 1281 | } |
| 1282 | |
| 1283 | /** |
| 1284 | * Perform all pingbacks, enclosures, trackbacks, and send to pingback services. |
| 1285 | * |
| 1286 | * @since 2.1.0 |
| 1287 | * @uses $wpdb |
| 1288 | */ |
| 1289 | function do_all_pings() { |
| 1290 | global $wpdb; |
| 1291 | |
| 1292 | // Do pingbacks |
| 1293 | while ($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")) { |
| 1294 | $wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id = {$ping->ID} AND meta_key = '_pingme';"); |
| 1295 | pingback($ping->post_content, $ping->ID); |
| 1296 | } |
| 1297 | |
| 1298 | // Do Enclosures |
| 1299 | while ($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")) { |
| 1300 | $wpdb->query( $wpdb->prepare("DELETE FROM {$wpdb->postmeta} WHERE post_id = %d AND meta_key = '_encloseme';", $enclosure->ID) ); |
| 1301 | do_enclose($enclosure->post_content, $enclosure->ID); |
| 1302 | } |
| 1303 | |
| 1304 | // Do Trackbacks |
| 1305 | $trackbacks = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE to_ping <> '' AND post_status = 'publish'"); |
| 1306 | if ( is_array($trackbacks) ) |
| 1307 | foreach ( $trackbacks as $trackback ) |
| 1308 | do_trackbacks($trackback); |
| 1309 | |
| 1310 | //Do Update Services/Generic Pings |
| 1311 | generic_ping(); |
| 1312 | } |
| 1313 | |
| 1314 | /** |
| 1315 | * Perform trackbacks. |
| 1316 | * |
| 1317 | * @since 1.5.0 |
| 1318 | * @uses $wpdb |
| 1319 | * |
| 1320 | * @param int $post_id Post ID to do trackbacks on. |
| 1321 | */ |
| 1322 | function do_trackbacks($post_id) { |
| 1323 | global $wpdb; |
| 1324 | |
| 1325 | $post = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id) ); |
| 1326 | $to_ping = get_to_ping($post_id); |
| 1327 | $pinged = get_pung($post_id); |
| 1328 | if ( empty($to_ping) ) { |
| 1329 | $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = '' WHERE ID = %d", $post_id) ); |
| 1330 | return; |
| 1331 | } |
| 1332 | |
| 1333 | if ( empty($post->post_excerpt) ) |
| 1334 | $excerpt = apply_filters('the_content', $post->post_content); |
| 1335 | else |
| 1336 | $excerpt = apply_filters('the_excerpt', $post->post_excerpt); |
| 1337 | $excerpt = str_replace(']]>', ']]>', $excerpt); |
| 1338 | $excerpt = wp_html_excerpt($excerpt, 252) . '...'; |
| 1339 | |
| 1340 | $post_title = apply_filters('the_title', $post->post_title); |
| 1341 | $post_title = strip_tags($post_title); |
| 1342 | |
| 1343 | if ( $to_ping ) { |
| 1344 | foreach ( (array) $to_ping as $tb_ping ) { |
| 1345 | $tb_ping = trim($tb_ping); |
| 1346 | if ( !in_array($tb_ping, $pinged) ) { |
| 1347 | trackback($tb_ping, $post_title, $excerpt, $post_id); |
| 1348 | $pinged[] = $tb_ping; |
| 1349 | } else { |
| 1350 | $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_ping', '')) WHERE ID = %d", $post_id) ); |
| 1351 | } |
| 1352 | } |
| 1353 | } |
| 1354 | } |
| 1355 | |
| 1356 | /** |
| 1357 | * Sends pings to all of the ping site services. |
| 1358 | * |
| 1359 | * @since 1.2.0 |
| 1360 | * |
| 1361 | * @param int $post_id Post ID. Not actually used. |
| 1362 | * @return int Same as Post ID from parameter |
| 1363 | */ |
| 1364 | function generic_ping($post_id = 0) { |
| 1365 | $services = get_option('ping_sites'); |
| 1366 | |
| 1367 | $services = explode("\n", $services); |
| 1368 | foreach ( (array) $services as $service ) { |
| 1369 | $service = trim($service); |
| 1370 | if ( '' != $service ) |
| 1371 | weblog_ping($service); |
| 1372 | } |
| 1373 | |
| 1374 | return $post_id; |
| 1375 | } |
| 1376 | |
| 1377 | /** |
| 1378 | * Pings back the links found in a post. |
| 1379 | * |
| 1380 | * @since 0.71 |
| 1381 | * @uses $wp_version |
| 1382 | * @uses IXR_Client |
| 1383 | * |
| 1384 | * @param string $content Post content to check for links. |
| 1385 | * @param int $post_ID Post ID. |
| 1386 | */ |
| 1387 | function pingback($content, $post_ID) { |
| 1388 | global $wp_version; |
| 1389 | include_once(ABSPATH . WPINC . '/class-IXR.php'); |
| 1390 | |
| 1391 | // original code by Mort (http://mort.mine.nu:8080) |
| 1392 | $post_links = array(); |
| 1393 | |
| 1394 | $pung = get_pung($post_ID); |
| 1395 | |
| 1396 | // Variables |
| 1397 | $ltrs = '\w'; |
| 1398 | $gunk = '/#~:.?+=&%@!\-'; |
| 1399 | $punc = '.:?\-'; |
| 1400 | $any = $ltrs . $gunk . $punc; |
| 1401 | |
| 1402 | // Step 1 |
| 1403 | // Parsing the post, external links (if any) are stored in the $post_links array |
| 1404 | // This regexp comes straight from phpfreaks.com |
| 1405 | // http://www.phpfreaks.com/quickcode/Extract_All_URLs_on_a_Page/15.php |
| 1406 | preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp); |
| 1407 | |
| 1408 | // Step 2. |
| 1409 | // Walking thru the links array |
| 1410 | // first we get rid of links pointing to sites, not to specific files |
| 1411 | // Example: |
| 1412 | // http://dummy-weblog.org |
| 1413 | // http://dummy-weblog.org/ |
| 1414 | // http://dummy-weblog.org/post.php |
| 1415 | // We don't wanna ping first and second types, even if they have a valid <link/> |
| 1416 | |
| 1417 | foreach ( (array) $post_links_temp[0] as $link_test ) : |
| 1418 | if ( !in_array($link_test, $pung) && (url_to_postid($link_test) != $post_ID) // If we haven't pung it already and it isn't a link to itself |
| 1419 | && !is_local_attachment($link_test) ) : // Also, let's never ping local attachments. |
| 1420 | if ( $test = @parse_url($link_test) ) { |
| 1421 | if ( isset($test['query']) ) |
| 1422 | $post_links[] = $link_test; |
| 1423 | elseif ( ($test['path'] != '/') && ($test['path'] != '') ) |
| 1424 | $post_links[] = $link_test; |
| 1425 | } |
| 1426 | endif; |
| 1427 | endforeach; |
| 1428 | |
| 1429 | do_action_ref_array('pre_ping', array(&$post_links, &$pung)); |
| 1430 | |
| 1431 | foreach ( (array) $post_links as $pagelinkedto ) { |
| 1432 | $pingback_server_url = discover_pingback_server_uri($pagelinkedto, 2048); |
| 1433 | |
| 1434 | if ( $pingback_server_url ) { |
| 1435 | @ set_time_limit( 60 ); |
| 1436 | // Now, the RPC call |
| 1437 | $pagelinkedfrom = get_permalink($post_ID); |
| 1438 | |
| 1439 | // using a timeout of 3 seconds should be enough to cover slow servers |
| 1440 | $client = new IXR_Client($pingback_server_url); |
| 1441 | $client->timeout = 3; |
| 1442 | $client->useragent .= ' -- WordPress/' . $wp_version; |
| 1443 | |
| 1444 | // when set to true, this outputs debug messages by itself |
| 1445 | $client->debug = false; |
| 1446 | |
| 1447 | if ( $client->query('pingback.ping', $pagelinkedfrom, $pagelinkedto) || ( isset($client->error->code) && 48 == $client->error->code ) ) // Already registered |
| 1448 | add_ping( $post_ID, $pagelinkedto ); |
| 1449 | } |
| 1450 | } |
| 1451 | } |
| 1452 | |
| 1453 | /** |
| 1454 | * Check whether blog is public before returning sites. |
| 1455 | * |
| 1456 | * @since 2.1.0 |
| 1457 | * |
| 1458 | * @param mixed $sites Will return if blog is public, will not return if not public. |
| 1459 | * @return mixed Empty string if blog is not public, returns $sites, if site is public. |
| 1460 | */ |
| 1461 | function privacy_ping_filter($sites) { |
| 1462 | if ( '0' != get_option('blog_public') ) |
| 1463 | return $sites; |
| 1464 | else |
| 1465 | return ''; |
| 1466 | } |
| 1467 | |
| 1468 | /** |
| 1469 | * Send a Trackback. |
| 1470 | * |
| 1471 | * Updates database when sending trackback to prevent duplicates. |
| 1472 | * |
| 1473 | * @since 0.71 |
| 1474 | * @uses $wpdb |
| 1475 | * |
| 1476 | * @param string $trackback_url URL to send trackbacks. |
| 1477 | * @param string $title Title of post. |
| 1478 | * @param string $excerpt Excerpt of post. |
| 1479 | * @param int $ID Post ID. |
| 1480 | * @return mixed Database query from update. |
| 1481 | */ |
| 1482 | function trackback($trackback_url, $title, $excerpt, $ID) { |
| 1483 | global $wpdb; |
| 1484 | |
| 1485 | if ( empty($trackback_url) ) |
| 1486 | return; |
| 1487 | |
| 1488 | $options = array(); |
| 1489 | $options['timeout'] = 4; |
| 1490 | $options['body'] = array( |
| 1491 | 'title' => $title, |
| 1492 | 'url' => get_permalink($ID), |
| 1493 | 'blog_name' => get_option('blogname'), |
| 1494 | 'excerpt' => $excerpt |
| 1495 | ); |
| 1496 | |
| 1497 | $response = wp_remote_post($trackback_url, $options); |
| 1498 | |
| 1499 | if ( is_wp_error( $response ) ) |
| 1500 | return; |
| 1501 | |
| 1502 | $tb_url = addslashes( $trackback_url ); |
| 1503 | $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', '$tb_url') WHERE ID = %d", $ID) ); |
| 1504 | return $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_url', '')) WHERE ID = %d", $ID) ); |
| 1505 | } |
| 1506 | |
| 1507 | /** |
| 1508 | * Send a pingback. |
| 1509 | * |
| 1510 | * @since 1.2.0 |
| 1511 | * @uses $wp_version |
| 1512 | * @uses IXR_Client |
| 1513 | * |
| 1514 | * @param string $server Host of blog to connect to. |
| 1515 | * @param string $path Path to send the ping. |
| 1516 | */ |
| 1517 | function weblog_ping($server = '', $path = '') { |
| 1518 | global $wp_version; |
| 1519 | include_once(ABSPATH . WPINC . '/class-IXR.php'); |
| 1520 | |
| 1521 | // using a timeout of 3 seconds should be enough to cover slow servers |
| 1522 | $client = new IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path)); |
| 1523 | $client->timeout = 3; |
| 1524 | $client->useragent .= ' -- WordPress/'.$wp_version; |
| 1525 | |
| 1526 | // when set to true, this outputs debug messages by itself |
| 1527 | $client->debug = false; |
| 1528 | $home = trailingslashit( get_option('home') ); |
| 1529 | if ( !$client->query('weblogUpdates.extendedPing', get_option('blogname'), $home, get_bloginfo('rss2_url') ) ) // then try a normal ping |
| 1530 | $client->query('weblogUpdates.ping', get_option('blogname'), $home); |
| 1531 | } |
| 1532 | |
| 1533 | // |
| 1534 | // Cache |
| 1535 | // |
| 1536 | |
| 1537 | /** |
| 1538 | * Removes comment ID from the comment cache. |
| 1539 | * |
| 1540 | * @since 2.3.0 |
| 1541 | * @package WordPress |
| 1542 | * @subpackage Cache |
| 1543 | * |
| 1544 | * @param int $id Comment ID to remove from cache |
| 1545 | */ |
| 1546 | function clean_comment_cache($id) { |
| 1547 | wp_cache_delete($id, 'comment'); |
| 1548 | } |
| 1549 | |
| 1550 | /** |
| 1551 | * Updates the comment cache of given comments. |
| 1552 | * |
| 1553 | * Will add the comments in $comments to the cache. If comment ID already exists |
| 1554 | * in the comment cache then it will not be updated. The comment is added to the |
| 1555 | * cache using the comment group with the key using the ID of the comments. |
| 1556 | * |
| 1557 | * @since 2.3.0 |
| 1558 | * @package WordPress |
| 1559 | * @subpackage Cache |
| 1560 | * |
| 1561 | * @param array $comments Array of comment row objects |
| 1562 | */ |
| 1563 | function update_comment_cache($comments) { |
| 1564 | foreach ( (array) $comments as $comment ) |
| 1565 | wp_cache_add($comment->comment_ID, $comment, 'comment'); |
| 1566 | } |
| 1567 | |
| 1568 | // |
| 1569 | // Internal |
| 1570 | // |
| 1571 | |
| 1572 | /** |
| 1573 | * Close comments on old posts on the fly, without any extra DB queries. Hooked to the_posts. |
| 1574 | * |
| 1575 | * @access private |
| 1576 | * @since 2.7.0 |
| 1577 | * |
| 1578 | * @param object $posts Post data object. |
| 1579 | * @return object |
| 1580 | */ |
| 1581 | function _close_comments_for_old_posts( $posts ) { |
| 1582 | if ( empty($posts) || !is_single() || !get_option('close_comments_for_old_posts') ) |
| 1583 | return $posts; |
| 1584 | |
| 1585 | $days_old = (int) get_option('close_comments_days_old'); |
| 1586 | if ( !$days_old ) |
| 1587 | return $posts; |
| 1588 | |
| 1589 | if ( time() - strtotime( $posts[0]->post_date_gmt ) > ( $days_old * 24 * 60 * 60 ) ) { |
| 1590 | $posts[0]->comment_status = 'closed'; |
| 1591 | $posts[0]->ping_status = 'closed'; |
| 1592 | } |
| 1593 | |
| 1594 | return $posts; |
| 1595 | } |
| 1596 | |
| 1597 | /** |
| 1598 | * Close comments on an old post. Hooked to comments_open and pings_open. |
| 1599 | * |
| 1600 | * @access private |
| 1601 | * @since 2.7.0 |
| 1602 | * |
| 1603 | * @param bool $open Comments open or closed |
| 1604 | * @param int $post_id Post ID |
| 1605 | * @return bool $open |
| 1606 | */ |
| 1607 | function _close_comments_for_old_post( $open, $post_id ) { |
| 1608 | if ( ! $open ) |
| 1609 | return $open; |
| 1610 | |
| 1611 | if ( !get_option('close_comments_for_old_posts') ) |
| 1612 | return $open; |
| 1613 | |
| 1614 | $days_old = (int) get_option('close_comments_days_old'); |
| 1615 | if ( !$days_old ) |
| 1616 | return $open; |
| 1617 | |
| 1618 | $post = get_post($post_id); |
| 1619 | |
| 1620 | if ( time() - strtotime( $post->post_date_gmt ) > ( $days_old * 24 * 60 * 60 ) ) |
| 1621 | return false; |
| 1622 | |
| 1623 | return $open; |
| 1624 | } |
| 1625 | |
| 1626 | ?> |