Changeset 3714

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Timestamp:
04/19/06 02:32:12 (2 years ago)
Author:
ryan
Message:

Reorg comment functions. #2525

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  • trunk/wp-includes/comment.php

    r3713 r3714  
    11<?php 
    2  
    3 // Template functions 
    4  
    5 function comments_template( $file = '/comments.php' ) { 
    6     global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $user_identity; 
    7  
    8     if ( is_single() || is_page() || $withcomments ) : 
    9         $req = get_settings('require_name_email'); 
    10         $comment_author = ''; 
    11         if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) ) { 
    12             $comment_author = apply_filters('pre_comment_author_name', $_COOKIE['comment_author_'.COOKIEHASH]); 
    13             $comment_author = stripslashes($comment_author); 
    14             $comment_author = wp_specialchars($comment_author, true); 
    15         } 
    16         $comment_author_email = ''; 
    17         if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) ) { 
    18             $comment_author_email = apply_filters('pre_comment_author_email', $_COOKIE['comment_author_email_'.COOKIEHASH]); 
    19             $comment_author_email = stripslashes($comment_author_email); 
    20             $comment_author_email = wp_specialchars($comment_author_email, true);        
    21         } 
    22         $comment_author_url = ''; 
    23         if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) ) { 
    24             $comment_author_url = apply_filters('pre_comment_author_url', $_COOKIE['comment_author_url_'.COOKIEHASH]); 
    25             $comment_author_url = stripslashes($comment_author_url); 
    26             $comment_author_url = wp_specialchars($comment_author_url, true);        
    27         } 
    28  
    29     if ( empty($comment_author) ) { 
    30         $comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post->ID' AND comment_approved = '1' ORDER BY comment_date"); 
    31     } else { 
    32         $author_db = $wpdb->escape($comment_author); 
    33         $email_db  = $wpdb->escape($comment_author_email); 
    34         $comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post->ID' AND ( comment_approved = '1' OR ( comment_author = '$author_db' AND comment_author_email = '$email_db' AND comment_approved = '0' ) ) ORDER BY comment_date"); 
    35     } 
    36  
    37     define('COMMENTS_TEMPLATE', true); 
    38     $include = apply_filters('comments_template', TEMPLATEPATH . $file ); 
    39     if ( file_exists( $include ) ) 
    40         require( $include ); 
    41     else 
    42         require( ABSPATH . 'wp-content/themes/default/comments.php'); 
    43  
    44     endif; 
    45 } 
    46  
    47 function wp_new_comment( $commentdata ) { 
    48     $commentdata = apply_filters('preprocess_comment', $commentdata); 
    49  
    50     $commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID']; 
    51     $commentdata['user_ID']         = (int) $commentdata['user_ID']; 
    52  
    53     $commentdata['comment_author_IP'] = $_SERVER['REMOTE_ADDR']; 
    54     $commentdata['comment_agent']     = $_SERVER['HTTP_USER_AGENT']; 
    55  
    56     $commentdata['comment_date']     = current_time('mysql'); 
    57     $commentdata['comment_date_gmt'] = current_time('mysql', 1); 
    58  
    59  
    60     $commentdata = wp_filter_comment($commentdata); 
    61  
    62     $commentdata['comment_approved'] = wp_allow_comment($commentdata); 
    63  
    64     $comment_ID = wp_insert_comment($commentdata); 
    65  
    66     do_action('comment_post', $comment_ID, $commentdata['comment_approved']); 
    67  
    68     if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching 
    69         if ( '0' == $commentdata['comment_approved'] ) 
    70             wp_notify_moderator($comment_ID); 
    71  
    72         $post = &get_post($commentdata['comment_post_ID']); // Don't notify if it's your own comment 
    73  
    74         if ( get_settings('comments_notify') && $commentdata['comment_approved'] && $post->post_author != $commentdata['user_ID'] ) 
    75             wp_notify_postauthor($comment_ID, $commentdata['comment_type']); 
    76     } 
    77  
    78     return $comment_ID; 
    79 } 
    80  
    81 function wp_insert_comment($commentdata) { 
    82     global $wpdb; 
    83     extract($commentdata); 
    84  
    85     if ( ! isset($comment_author_IP) ) 
    86         $comment_author_IP = $_SERVER['REMOTE_ADDR']; 
    87     if ( ! isset($comment_date) ) 
    88         $comment_date = current_time('mysql'); 
    89     if ( ! isset($comment_date_gmt) ) 
    90         $comment_date_gmt = gmdate('Y-m-d H:i:s', strtotime($comment_date) ); 
    91     if ( ! isset($comment_parent) ) 
    92         $comment_parent = 0; 
    93     if ( ! isset($comment_approved) ) 
    94         $comment_approved = 1; 
    95     if ( ! isset($user_id) ) 
    96         $user_id = 0; 
    97  
    98     $result = $wpdb->query("INSERT INTO $wpdb->comments  
    99     (comment_post_ID, comment_author, comment_author_email, comment_author_url, comment_author_IP, comment_date, comment_date_gmt, comment_content, comment_approved, comment_agent, comment_type, comment_parent, user_id) 
    100     VALUES  
    101     ('$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') 
    102     "); 
    103  
    104     $id = $wpdb->insert_id; 
    105  
    106     if ( $comment_approved == 1) { 
    107         $count = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND comment_approved = '1'"); 
    108         $wpdb->query( "UPDATE $wpdb->posts SET comment_count = $count WHERE ID = '$comment_post_ID'" ); 
    109     } 
    110     return $id; 
    111 } 
    112  
    113 function wp_filter_comment($commentdata) { 
    114     $commentdata['user_id']              = apply_filters('pre_user_id', $commentdata['user_ID']); 
    115     $commentdata['comment_agent']        = apply_filters('pre_comment_user_agent', $commentdata['comment_agent']); 
    116     $commentdata['comment_author']       = apply_filters('pre_comment_author_name', $commentdata['comment_author']); 
    117     $commentdata['comment_content']      = apply_filters('pre_comment_content', $commentdata['comment_content']); 
    118     $commentdata['comment_author_IP']    = apply_filters('pre_comment_user_ip', $commentdata['comment_author_IP']); 
    119     $commentdata['comment_author_url']   = apply_filters('pre_comment_author_url', $commentdata['comment_author_url']); 
    120     $commentdata['comment_author_email'] = apply_filters('pre_comment_author_email', $commentdata['comment_author_email']); 
    121     $commentdata['filtered'] = true; 
    122     return $commentdata; 
    123 } 
    124  
    125 function wp_allow_comment($commentdata) { 
    126     global $wpdb; 
    127     extract($commentdata); 
    128  
    129     $comment_user_domain = apply_filters('pre_comment_user_domain', gethostbyaddr($comment_author_IP) ); 
    130  
    131     // Simple duplicate check 
    132     $dupe = "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND ( comment_author = '$comment_author' "; 
    133     if ( $comment_author_email ) 
    134         $dupe .= "OR comment_author_email = '$comment_author_email' "; 
    135     $dupe .= ") AND comment_content = '$comment_content' LIMIT 1"; 
    136     if ( $wpdb->get_var($dupe) ) 
    137         die( __('Duplicate comment detected; it looks as though you\'ve already said that!') ); 
    138  
    139     // Simple flood-protection 
    140     if ( $lasttime = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_author_IP = '$comment_author_IP' OR comment_author_email = '$comment_author_email' ORDER BY comment_date DESC LIMIT 1") ) { 
    141         $time_lastcomment = mysql2date('U', $lasttime); 
    142         $time_newcomment  = mysql2date('U', $comment_date_gmt); 
    143         if ( ($time_newcomment - $time_lastcomment) < 15 ) { 
    144             do_action('comment_flood_trigger', $time_lastcomment, $time_newcomment); 
    145             die( __('Sorry, you can only post a new comment once every 15 seconds. Slow down cowboy.') ); 
    146         } 
    147     } 
    148  
    149     if ( $user_id ) { 
    150         $userdata = get_userdata($user_id); 
    151         $user = new WP_User($user_id); 
    152         $post_author = $wpdb->get_var("SELECT post_author FROM $wpdb->posts WHERE ID = '$comment_post_ID' LIMIT 1"); 
    153     } 
    154  
    155     // The author and the admins get respect. 
    156     if ( $userdata && ( $user_id == $post_author || $user->has_cap('level_9') ) ) { 
    157         $approved = 1; 
    158     } 
    159  
    160     // Everyone else's comments will be checked. 
    161     else { 
    162         if ( check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type) ) 
    163             $approved = 1; 
    164         else 
    165             $approved = 0; 
    166         if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) ) 
    167             $approved = 'spam'; 
    168     } 
    169  
    170     $approved = apply_filters('pre_comment_approved', $approved); 
    171     return $approved; 
    172 } 
    173  
    174  
    175 function wp_update_comment($commentarr) { 
    176     global $wpdb; 
    177  
    178     // First, get all of the original fields 
    179     $comment = get_comment($commentarr['comment_ID'], ARRAY_A); 
    180  
    181     // Escape data pulled from DB. 
    182     foreach ($comment as $key => $value) 
    183         $comment[$key] = $wpdb->escape($value); 
    184  
    185     // Merge old and new fields with new fields overwriting old ones. 
    186     $commentarr = array_merge($comment, $commentarr); 
    187  
    188     $commentarr = wp_filter_comment( $commentarr ); 
    189  
    190     // Now extract the merged array. 
    191     extract($commentarr); 
    192  
    193     $comment_content = apply_filters('comment_save_pre', $comment_content); 
    194  
    195     $result = $wpdb->query( 
    196         "UPDATE $wpdb->comments SET 
    197             comment_content = '$comment_content', 
    198             comment_author = '$comment_author', 
    199             comment_author_email = '$comment_author_email', 
    200             comment_approved = '$comment_approved', 
    201             comment_author_url = '$comment_author_url', 
    202             comment_date = '$comment_date' 
    203         WHERE comment_ID = $comment_ID" ); 
    204  
    205     $rval = $wpdb->rows_affected; 
    206  
    207     $c = $wpdb->get_row( "SELECT count(*) as c FROM {$wpdb->comments} WHERE comment_post_ID = '$comment_post_ID' AND comment_approved = '1'" ); 
    208     if( is_object( $c ) ) 
    209         $wpdb->query( "UPDATE $wpdb->posts SET comment_count = '$c->c' WHERE ID = '$comment_post_ID'" ); 
    210  
    211     do_action('edit_comment', $comment_ID); 
    212  
    213     return $rval; 
    214 } 
    215  
    216 function wp_delete_comment($comment_id) { 
    217     global $wpdb; 
    218     do_action('delete_comment', $comment_id); 
    219  
    220     $comment = get_comment($comment_id); 
    221  
    222     if ( ! $wpdb->query("DELETE FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1") ) 
    223         return false; 
    224  
    225     $post_id = $comment->comment_post_ID; 
    226     if ( $post_id && $comment->comment_approved == 1 ) 
    227         $wpdb->query( "UPDATE $wpdb->posts SET comment_count = comment_count - 1 WHERE ID = '$post_id'" ); 
    228  
    229     do_action('wp_set_comment_status', $comment_id, 'delete'); 
    230     return true; 
    231 } 
    232  
    233 function get_comments_number( $post_id = 0 ) { 
    234     global $wpdb, $comment_count_cache, $id; 
    235     $post_id = (int) $post_id; 
    236  
    237     if ( !$post_id ) 
    238         $post_id = $id; 
    239  
    240     if ( !isset($comment_count_cache[$post_id]) ) 
    241         $comment_count_cache[$id] = $wpdb->get_var("SELECT comment_count FROM $wpdb->posts WHERE ID = '$post_id'"); 
    242  
    243     return apply_filters('get_comments_number', $comment_count_cache[$post_id]); 
    244 } 
    245  
    246 function comments_number( $zero = 'No Comments', $one = '1 Comment', $more = '% Comments', $number = '' ) { 
    247     global $id, $comment; 
    248     $number = get_comments_number( $id ); 
    249     if ($number == 0) { 
    250         $blah = $zero; 
    251     } elseif ($number == 1) { 
    252         $blah = $one; 
    253     } elseif ($number  > 1) { 
    254         $blah = str_replace('%', $number, $more); 
    255     } 
    256     echo apply_filters('comments_number', $blah); 
    257 } 
    258  
    259 function get_comments_link() { 
    260     return get_permalink() . '#comments'; 
    261 } 
    262  
    263 function get_comment_link() { 
    264     global $comment; 
    265     return get_permalink( $comment->comment_post_ID ) . '#comment-' . $comment->comment_ID; 
    266 } 
    267  
    268 function comments_link( $file = '', $echo = true ) { 
    269     echo get_comments_link(); 
    270 } 
    271  
    272 function comments_popup_script($width=400, $height=400, $file='') { 
    273     global $wpcommentspopupfile, $wptrackbackpopupfile, $wppingbackpopupfile, $wpcommentsjavascript; 
    274  
    275         if (empty ($file)) { 
    276             $wpcommentspopupfile = '';  // Use the index. 
    277         } else { 
    278             $wpcommentspopupfile = $file; 
    279         } 
    280  
    281     $wpcommentsjavascript = 1; 
    282     $javascript = "<script type='text/javascript'>\nfunction wpopen (macagna) {\n    window.open(macagna, '_blank', 'width=$width,height=$height,scrollbars=yes,status=yes');\n}\n</script>\n"; 
    283     echo $javascript; 
    284 } 
    285  
    286 function comments_popup_link($zero='No Comments', $one='1 Comment', $more='% Comments', $CSSclass='', $none='Comments Off') { 
    287     global $id, $wpcommentspopupfile, $wpcommentsjavascript, $post, $wpdb; 
    288     global $comment_count_cache; 
    289  
    290     if (! is_single() && ! is_page()) { 
    291     if ( !isset($comment_count_cache[$id]) ) 
    292         $comment_count_cache[$id] = $wpdb->get_var("SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_post_ID = $id AND comment_approved = '1';"); 
    293  
    294     $number = $comment_count_cache[$id]; 
    295  
    296     if (0 == $number && 'closed' == $post->comment_status && 'closed' == $post->ping_status) { 
    297         echo $none; 
    298         return; 
    299     } else { 
    300         if (!empty($post->post_password)) { // if there's a password 
    301             if ($_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password) {  // and it doesn't match the cookie 
    302                 echo(__('Enter your password to view comments')); 
    303                 return; 
    304             } 
    305         } 
    306         echo '<a href="'; 
    307         if ($wpcommentsjavascript) { 
    308             if ( empty($wpcommentspopupfile) ) 
    309                 $home = get_settings('home'); 
    310             else 
    311                 $home = get_settings('siteurl'); 
    312             echo $home . '/' . $wpcommentspopupfile.'?comments_popup='.$id; 
    313             echo '" onclick="wpopen(this.href); return false"'; 
    314         } else { // if comments_popup_script() is not in the template, display simple comment link 
    315             if ( 0 == $number ) 
    316                 echo get_permalink() . '#respond'; 
    317             else 
    318                 comments_link(); 
    319             echo '"'; 
    320         } 
    321         if (!empty($CSSclass)) { 
    322             echo ' class="'.$CSSclass.'"'; 
    323         } 
    324         echo ' title="' . sprintf( __('Comment on %s'), $post->post_title ) .'">'; 
    325         comments_number($zero, $one, $more, $number); 
    326         echo '</a>'; 
    327     } 
    328     } 
    329 } 
    330  
    331 function get_comment_ID() { 
    332     global $comment; 
    333     return apply_filters('get_comment_ID', $comment->comment_ID); 
    334 } 
    335  
    336 function comment_ID() { 
    337     echo get_comment_ID(); 
    338 } 
    339  
    340 function get_comment_author() { 
    341     global $comment; 
    342     if ( empty($comment->comment_author) ) 
    343         $author = __('Anonymous'); 
    344     else 
    345         $author = $comment->comment_author; 
    346     return apply_filters('get_comment_author', $author); 
    347 } 
    348  
    349 function comment_author() { 
    350     $author = apply_filters('comment_author', get_comment_author() ); 
    351     echo $author; 
    352 } 
    353  
    354 function get_comment_author_email() { 
    355     global $comment; 
    356     return apply_filters('get_comment_author_email', $comment->comment_author_email); 
    357 } 
    358  
    359 function comment_author_email() { 
    360     echo apply_filters('author_email', get_comment_author_email() ); 
    361 } 
    362  
    363 function get_comment_author_link() { 
    364     global $comment; 
    365     $url    = get_comment_author_url(); 
    366     $author = get_comment_author(); 
    367  
    368     if ( empty( $url ) || 'http://' == $url ) 
    369         $return = $author; 
    370     else 
    371         $return = "<a href='$url' rel='external nofollow'>$author</a>"; 
    372     return apply_filters('get_comment_author_link', $return); 
    373 } 
    374  
    375 function comment_author_link() { 
    376     echo get_comment_author_link(); 
    377 } 
    378  
    379 function get_comment_type() { 
    380     global $comment; 
    381  
    382     if ( '' == $comment->comment_type ) 
    383         $comment->comment_type = 'comment'; 
    384  
    385     return apply_filters('get_comment_type', $comment->comment_type); 
    386 } 
    387  
    388 function comment_type($commenttxt = 'Comment', $trackbacktxt = 'Trackback', $pingbacktxt = 'Pingback') { 
    389     $type = get_comment_type(); 
    390     switch( $type ) { 
    391         case 'trackback' : 
    392             echo $trackbacktxt; 
    393             break; 
    394         case 'pingback' : 
    395             echo $pingbacktxt; 
    396             break; 
    397         default : 
    398             echo $commenttxt; 
    399     } 
    400 } 
    401  
    402 function get_comment_author_url() { 
    403     global $comment; 
    404     return apply_filters('get_comment_author_url', $comment->comment_author_url); 
    405 } 
    406  
    407 function comment_author_url() { 
    408     echo apply_filters('comment_url', get_comment_author_url()); 
    409 } 
    410  
    411 function comment_author_email_link($linktext='', $before='', $after='') { 
    412     global $comment; 
    413     $email = apply_filters('comment_email', $comment->comment_author_email); 
    414     if ((!empty($email)) && ($email != '@')) { 
    415     $display = ($linktext != '') ? $linktext : $email; 
    416         echo $before; 
    417         echo "<a href='mailto:$email'>$display</a>"; 
    418         echo $after; 
    419     } 
    420 } 
    421  
    422 function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) { 
    423     global $comment; 
    424     $url = get_comment_author_url(); 
    425     $display = ($linktext != '') ? $linktext : $url; 
    426     $return = "$before<a href='$url' rel='external'>$display</a>$after"; 
    427     return apply_filters('get_comment_author_url_link', $return); 
    428 } 
    429  
    430 function comment_author_url_link( $linktext = '', $before = '', $after = '' ) { 
    431     echo get_comment_author_url_link( $linktext, $before, $after ); 
    432 } 
    433  
    434 function get_comment_author_IP() { 
    435     global $comment; 
    436     return apply_filters('get_comment_author_IP', $comment->comment_author_IP); 
    437 } 
    438  
    439 function comment_author_IP() { 
    440     echo get_comment_author_IP(); 
    441 } 
    442  
    443 function get_comment_text() { 
    444     global $comment; 
    445     return apply_filters('get_comment_text', $comment->comment_content); 
    446 } 
    447  
    448 function comment_text() { 
    449     echo apply_filters('comment_text', get_comment_text() ); 
    450 } 
    451  
    452 function get_comment_excerpt() { 
    453     global $comment; 
    454     $comment_text = strip_tags($comment->comment_content); 
    455     $blah = explode(' ', $comment_text); 
    456     if (count($blah) > 20) { 
    457         $k = 20; 
    458         $use_dotdotdot = 1; 
    459     } else { 
    460         $k = count($blah); 
    461         $use_dotdotdot = 0; 
    462     } 
    463     $excerpt = ''; 
    464     for ($i=0; $i<$k; $i++) { 
    465         $excerpt .= $blah[$i] . ' '; 
    466     } 
    467     $excerpt .= ($use_dotdotdot) ? '...' : ''; 
    468     return apply_filters('get_comment_excerpt', $excerpt); 
    469 } 
    470  
    471 function comment_excerpt() { 
    472     echo apply_filters('comment_excerpt', get_comment_excerpt() ); 
    473 } 
    474  
    475 function get_comment_date( $d = '' ) { 
    476     global $comment; 
    477     if ( '' == $d ) 
    478         $date = mysql2date( get_settings('date_format'), $comment->comment_date); 
    479     else 
    480         $date = mysql2date($d, $comment->comment_date); 
    481     return apply_filters('get_comment_date', $date); 
    482 } 
    483  
    484 function comment_date( $d = '' ) { 
    485     echo get_comment_date( $d ); 
    486 } 
    487  
    488 function get_comment_time( $d = '', $gmt = false ) { 
    489     global $comment; 
    490     $comment_date = $gmt? $comment->comment_date_gmt : $comment->comment_date; 
    491     if ( '' == $d ) 
    492         $date = mysql2date(get_settings('time_format'), $comment_date); 
    493     else 
    494         $date = mysql2date($d, $comment_date); 
    495     return apply_filters('get_comment_time', $date); 
    496 } 
    497  
    498 function comment_time( $d = '' ) { 
    499     echo get_comment_time($d); 
    500 } 
    501  
    502 function get_trackback_url() { 
    503     global $id; 
    504     $tb_url = get_settings('siteurl') . '/wp-trackback.php?p=' . $id; 
    505  
    506     if ( '' != get_settings('permalink_structure') ) 
    507         $tb_url = trailingslashit(get_permalink()) . 'trackback/'; 
    508  
    509     return $tb_url; 
    510 } 
    511 function trackback_url( $display = true ) { 
    512     if ( $display) 
    513         echo get_trackback_url(); 
    514     else 
    515         return get_trackback_url(); 
    516 } 
    517  
    518 function trackback_rdf($timezone = 0) { 
    519     global $id; 
    520     if (!stristr($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator')) { 
    521     echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"  
    522         xmlns:dc="http://purl.org/dc/elements/1.1/" 
    523         xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/"> 
    524         <rdf:Description rdf:about="'; 
    525     the_permalink(); 
    526     echo '"'."\n"; 
    527     echo '    dc:identifier="'; 
    528     the_permalink(); 
    529     echo '"'."\n"; 
    530     echo '    dc:title="'.str_replace('--', '&#x2d;&#x2d;', wptexturize(strip_tags(get_the_title()))).'"'."\n"; 
    531     echo '    trackback:ping="'.trackback_url(0).'"'." />\n"; 
    532     echo '</rdf:RDF>'; 
    533     } 
    534 } 
    535  
    536 function comments_open() { 
    537     global $post; 
    538     if ( 'open' == $post->comment_status ) 
    539         return true; 
    540     else 
    541         return false; 
    542 } 
    543  
    544 function pings_open() { 
    545     global $post; 
    546     if ( 'open' == $post->ping_status )  
    547         return true; 
    548     else 
    549         return false; 
    550 } 
    551  
    552 // Non-template functions 
    553  
    554 function get_lastcommentmodified($timezone = 'server') { 
    555     global $cache_lastcommentmodified, $pagenow, $wpdb; 
    556     $add_seconds_blog = get_settings('gmt_offset') * 3600; 
    557     $add_seconds_server = date('Z'); 
    558     $now = current_time('mysql', 1); 
    559     if ( !isset($cache_lastcommentmodified[$timezone]) ) { 
    560         switch(strtolower($timezone)) { 
    561             case 'gmt': 
    562                 $lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1"); 
    563                 break; 
    564             case 'blog': 
    565                 $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1"); 
    566                 break; 
    567             case 'server': 
    568                 $lastcommentmodified = $wpdb->get_var("SELECT DATE_ADD(comment_date_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->comments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1"); 
    569                 break; 
    570         } 
    571         $cache_lastcommentmodified[$timezone] = $lastcommentmodified; 
    572     } else { 
    573         $lastcommentmodified = $cache_lastcommentmodified[$timezone]; 
    574     } 
    575     return $lastcommentmodified; 
    576 } 
    577  
    578 function get_commentdata( $comment_ID, $no_cache = 0, $include_unapproved = false ) { // less flexible, but saves DB queries 
    579     global $postc, $id, $commentdata, $wpdb; 
    580     if ($no_cache) { 
    581         $query = "SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment_ID'"; 
    582         if (false == $include_unapproved) { 
    583             $query .= " AND comment_approved = '1'"; 
    584         } 
    585             $myrow = $wpdb->get_row($query, ARRAY_A); 
    586     } else { 
    587         $myrow['comment_ID'] = $postc->comment_ID; 
    588         $myrow['comment_post_ID'] = $postc->comment_post_ID; 
    589         $myrow['comment_author'] = $postc->comment_author; 
    590         $myrow['comment_author_email'] = $postc->comment_author_email; 
    591         $myrow['comment_author_url'] = $postc->comment_author_url; 
    592         $myrow['comment_author_IP'] = $postc->comment_author_IP; 
    593         $myrow['comment_date'] = $postc->comment_date; 
    594         $myrow['comment_content'] = $postc->comment_content; 
    595         $myrow['comment_karma'] = $postc->comment_karma; 
    596         $myrow['comment_approved'] = $postc->comment_approved; 
    597         $myrow['comment_type'] = $postc->comment_type; 
    598     } 
    599     return $myrow; 
    600 } 
    601  
    602 function pingback($content, $post_ID) { 
    603     global $wp_version, $wpdb; 
    604     include_once (ABSPATH . WPINC . '/class-IXR.php'); 
    605  
    606     // original code by Mort (http://mort.mine.nu:8080) 
    607     $log = debug_fopen(ABSPATH . '/pingback.log', 'a'); 
    608     $post_links = array(); 
    609     debug_fwrite($log, 'BEGIN '.date('YmdHis', time())."\n"); 
    610  
    611     $pung = get_pung($post_ID); 
    612  
    613     // Variables 
    614     $ltrs = '\w'; 
    615     $gunk = '/#~:.?+=&%@!\-'; 
    616     $punc = '.:?\-'; 
    617     $any = $ltrs . $gunk . $punc; 
    618  
    619     // Step 1 
    620     // Parsing the post, external links (if any) are stored in the $post_links array 
    621     // This regexp comes straight from phpfreaks.com 
    622     // http://www.phpfreaks.com/quickcode/Extract_All_URLs_on_a_Page/15.php 
    623     preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp); 
    624  
    625     // Debug 
    626     debug_fwrite($log, 'Post contents:'); 
    627     debug_fwrite($log, $content."\n"); 
    628  
    629     // Step 2. 
    630     // Walking thru the links array 
    631     // first we get rid of links pointing to sites, not to specific files 
    632     // Example: 
    633     // http://dummy-weblog.org 
    634     // http://dummy-weblog.org/ 
    635     // http://dummy-weblog.org/post.php 
    636     // We don't wanna ping first and second types, even if they have a valid <link/> 
    637  
    638     foreach($post_links_temp[0] as $link_test) : 
    639         if ( !in_array($link_test, $pung) && (url_to_postid($link_test) != $post_ID) // If we haven't pung it already and it isn't a link to itself 
    640                 && !is_local_attachment($link_test) ) : // Also, let's never ping local attachments. 
    641             $test = parse_url($link_test); 
    642             if (isset($test['query'])) 
    643                 $post_links[] = $link_test; 
    644             elseif(($test['path'] != '/') && ($test['path'] != '')) 
    645                 $post_links[] = $link_test; 
    646         endif; 
    647     endforeach; 
    648  
    649     do_action('pre_ping',  array(&$post_links, &$pung)); 
    650  
    651     foreach ($post_links as $pagelinkedto){ 
    652         debug_fwrite($log, "Processing -- $pagelinkedto\n"); 
    653         $pingback_server_url = discover_pingback_server_uri($pagelinkedto, 2048); 
    654  
    655         if ($pingback_server_url) { 
    656             @ set_time_limit( 60 );  
    657              // Now, the RPC call 
    658             debug_fwrite($log, "Page Linked To: $pagelinkedto \n"); 
    659             debug_fwrite($log, 'Page Linked From: '); 
    660             $pagelinkedfrom = get_permalink($post_ID); 
    661             debug_fwrite($log, $pagelinkedfrom."\n"); 
    662  
    663             // using a timeout of 3 seconds should be enough to cover slow servers 
    664             $client = new IXR_Client($pingback_server_url); 
    665             $client->timeout = 3; 
    666             $client->useragent .= ' -- WordPress/' . $wp_version; 
    667  
    668             // when set to true, this outputs debug messages by itself 
    669             $client->debug = false; 
    670  
    671             if ( $client->query('pingback.ping', $pagelinkedfrom, $pagelinkedto ) ) 
    672                 add_ping( $post_ID, $pagelinkedto ); 
    673             else 
    674                 debug_fwrite($log, "Error.\n Fault code: ".$client->getErrorCode()." : ".$client->getErrorMessage()."\n"); 
    675         } 
    676     } 
    677  
    678     debug_fwrite($log, "\nEND: ".time()."\n****************************\n"); 
    679     debug_fclose($log); 
    680 } 
    681  
    682 function discover_pingback_server_uri($url, $timeout_bytes = 2048) { 
    683     global $wp_version; 
    684  
    685     $byte_count = 0; 
    686     $contents = ''; 
    687     $headers = ''; 
    688     $pingback_str_dquote = 'rel="pingback"'; 
    689     $pingback_str_squote = 'rel=\'pingback\''; 
    690     $x_pingback_str = 'x-pingback: '; 
    691     $pingback_href_original_pos = 27; 
    692  
    693     extract(parse_url($url)); 
    694  
    695     if (!isset($host)) { 
    696         // Not an URL. This should never happen. 
    697         return false; 
    698     } 
    699  
    700     $path  = (!isset($path)) ? '/'        : $path; 
    701     $path .= (isset($query)) ? '?'.$query : ''; 
    702     $port  = (isset($port))  ? $port      : 80; 
    703  
    704     // Try to connect to the server at $host 
    705     $fp = @fsockopen($host, $port, $errno, $errstr, 2); 
    706     if (!$fp) { 
    707         // Couldn't open a connection to $host; 
    708         return false; 
    709     } 
    710  
    711     // Send the GET request 
    712     $request = "GET $path HTTP/1.1\r\nHost: $host\r\nUser-Agent: WordPress/$wp_version \r\n\r\n"; 
    713 //  ob_end_flush(); 
    714     fputs($fp, $request); 
    715  
    716     // Let's check for an X-Pingback header first 
    717     while (!feof($fp)) { 
    718         $line = fgets($fp, 512); 
    719         if (trim($line) == '') { 
    720             break; 
    721         } 
    722         $headers .= trim($line)."\n"; 
    723         $x_pingback_header_offset = strpos(strtolower($headers), $x_pingback_str); 
    724         if ($x_pingback_header_offset) { 
    725             // We got it! 
    726             preg_match('#x-pingback: (.+)#is', $headers, $matches); 
    727             $pingback_server_url = trim($matches[1]); 
    728             return $pingback_server_url; 
    729         } 
    730         if(strpos(strtolower($headers), 'content-type: ')) { 
    731             preg_match('#content-type: (.+)#is', $headers, $matches); 
    732             $content_type = trim($matches[1]); 
    733         } 
    734     } 
    735  
    736     if (preg_match('#(image|audio|video|model)/#is', $content_type)) { 
    737         // Not an (x)html, sgml, or xml page, no use going further 
    738         return false; 
    739     } 
    740  
    741     while (!feof($fp)) { 
    742         $line = fgets($fp, 1024); 
    743         $contents .= trim($line); 
    744         $pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote); 
    745         $pingback_link_offset_squote = strpos($contents, $pingback_str_squote); 
    746         if ($pingback_link_offset_dquote || $pingback_link_offset_squote) { 
    747             $quote = ($pingback_link_offset_dquote) ? '"' : '\''; 
    748             $pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote; 
    749             $pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset); 
    750             $pingback_href_start = $pingback_href_pos+6; 
    751             $pingback_href_end = @strpos($contents, $quote, $pingback_href_start); 
    752             $pingback_server_url_len = $pingback_href_end - $pingback_href_start; 
    753             $pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len); 
    754             // We may find rel="pingback" but an incomplete pingback URI 
    755             if ($pingback_server_url_len > 0) { 
    756                 // We got it! 
    757                 return $pingback_server_url; 
    758             } 
    759         } 
    760         $byte_count += strlen($line); 
    761         if ($byte_count > $timeout_bytes) { 
    762             // It's no use going further, there probably isn't any pingback 
    763             // server to find in this file. (Prevents loading large files.) 
    764             return false; 
    765         } 
    766     } 
    767  
    768     // We didn't find anything. 
    769     return false; 
    770 } 
    771  
    772 function is_local_attachment($url) { 
    773     if ( !strstr($url, get_bloginfo('home') ) ) 
    774         return false; 
    775     if ( strstr($url, get_bloginfo('home') . '/?attachment_id=') ) 
    776         return true; 
    777     if ( $id = url_to_postid($url) ) { 
    778         $post = & get_post($id); 
    779         if ( 'attachment' == $post->post_type ) 
    780             return true; 
    781     } 
    782     return false; 
    783 } 
    784  
    785 function wp_set_comment_status($comment_id, $comment_status) { 
    786     global $wpdb; 
    787  
    788     switch($comment_status) { 
    789         case 'hold': 
    790             $query = "UPDATE $wpdb->comments SET comment_approved='0' WHERE comment_ID='$comment_id' LIMIT 1"; 
    791         break; 
    792         case 'approve': 
    793             $query = "UPDATE $wpdb->comments SET comment_approved='1' WHERE comment_ID='$comment_id' LIMIT 1"; 
    794         break; 
    795         case 'spam': 
    796             $query = "UPDATE $wpdb->comments SET comment_approved='spam' WHERE comment_ID='$comment_id' LIMIT 1"; 
    797         break; 
    798         case 'delete': 
    799             return wp_delete_comment($comment_id); 
    800         break; 
    801         default: 
    802             return false; 
    803     } 
    804      
    805     if ($wpdb->query($query)) { 
    806         do_action('wp_set_comment_status', $comment_id, $comment_status); 
    807  
    808         $comment = get_comment($comment_id); 
    809         $comment_post_ID = $comment->comment_post_ID; 
    810         $c = $wpdb->get_row( "SELECT count(*) as c FROM {$wpdb->comments} WHERE comment_post_ID = '$comment_post_ID' AND comment_approved = '1'" ); 
    811         if( is_object( $c ) ) 
    812             $wpdb->query( "UPDATE $wpdb->posts SET comment_count = '$c->c' WHERE ID = '$comment_post_ID'" ); 
    813         return true; 
    814     } else { 
    815         return false; 
    816     } 
    817 } 
    818  
    819 function wp_get_comment_status($comment_id) { 
    820     global $wpdb; 
    821  
    822     $result = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1"); 
    823     if ($result == NULL) { 
    824         return 'deleted'; 
    825     } else if ($result == '1') { 
    826         return 'approved'; 
    827     } else if ($result == '0') { 
    828         return 'unapproved'; 
    829     } else if ($result == 'spam') { 
    830         return 'spam'; 
    831     } else { 
    832         return false; 
    833     } 
    834 } 
    8352 
    8363function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) { 
    …… 
    89764} 
    89865 
     66// Retrieves comment data given a comment ID or comment object. 
     67// Handles comment caching. 
     68function &get_comment(&$comment, $output = OBJECT) { 
     69    global $comment_cache, $wpdb; 
     70 
     71    if ( empty($comment) ) 
     72        return null; 
     73 
     74    if ( is_object($comment) ) { 
     75        if ( !isset($comment_cache[$comment->comment_ID]) ) 
     76            $comment_cache[$comment->comment_ID] = &$comment; 
     77        $_comment = & $comment_cache[$comment->comment_ID]; 
     78    } else { 
     79        if ( !isset($comment_cache[$comment]) ) { 
     80            $_comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment' LIMIT 1"); 
     81            $comment_cache[$comment->comment_ID] = & $_comment; 
     82        } else { 
     83            $_comment = & $comment_cache[$comment]; 
     84        } 
     85    } 
     86 
     87    if ( $output == OBJECT ) { 
     88        return $_comment; 
     89    } elseif ( $output == ARRAY_A ) { 
     90        return get_object_vars($_comment); 
     91    } elseif ( $output == ARRAY_N ) { 
     92        return array_values(get_object_vars($_comment)); 
     93    } else { 
     94        return $_comment; 
     95    } 
     96} 
     97 
     98// Deprecate in favor of get_comment()? 
     99function get_commentdata( $comment_ID, $no_cache = 0, $include_unapproved = false ) { // less flexible, but saves DB queries 
     100    global $postc, $id, $commentdata, $wpdb; 
     101    if ($no_cache) { 
     102        $query = "SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment_ID'"; 
     103        if (false == $include_unapproved) { 
     104            $query .= " AND comment_approved = '1'"; 
     105        } 
     106            $myrow = $wpdb->get_row($query, ARRAY_A); 
     107    } else { 
     108        $myrow['comment_ID'] = $postc->comment_ID; 
     109        $myrow['comment_post_ID'] = $postc->comment_post_ID; 
     110        $myrow['comment_author'] = $postc->comment_author; 
     111        $myrow['comment_author_email'] = $postc->comment_author_email; 
     112        $myrow['comment_author_url'] = $postc->comment_author_url; 
     113        $myrow['comment_author_IP'] = $postc->comment_author_IP; 
     114        $myrow['comment_date'] = $postc->comment_date; 
     115        $myrow['comment_content'] = $postc->comment_content; 
     116        $myrow['comment_karma'] = $postc->comment_karma; 
     117        $myrow['comment_approved'] = $postc->comment_approved; 
     118        $myrow['comment_type'] = $postc->comment_type; 
     119    } 
     120    return $myrow; 
     121} 
     122 
     123function get_lastcommentmodified($timezone = 'server') { 
     124    global $cache_lastcommentmodified, $pagenow, $wpdb; 
     125    $add_seconds_blog = get_settings('gmt_offset') * 3600; 
     126    $add_seconds_server = date('Z'); 
     127    $now = current_time('mysql', 1); 
     128    if ( !isset($cache_lastcommentmodified[$timezone]) ) { 
     129        switch(strtolower($timezone)) { 
     130            case 'gmt': 
     131                $lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1"); 
     132                break; 
     133            case 'blog': 
     134                $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1"); 
     135                break; 
     136            case 'server': 
     137                $lastcommentmodified = $wpdb->get_var("SELECT DATE_ADD(comment_date_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->comments WHERE comment_date_gmt <= '$now' ORDER BY comment_date_gmt DESC LIMIT 1"); 
     138                break; 
     139        } 
     140        $cache_lastcommentmodified[$timezone] = $lastcommentmodified; 
     141    } else { 
     142        $lastcommentmodified = $cache_lastcommentmodified[$timezone]; 
     143    } 
     144    return $lastcommentmodified; 
     145} 
     146 
     147function wp_allow_comment($commentdata) { 
     148    global $wpdb; 
     149    extract($commentdata); 
     150 
     151    $comment_user_domain = apply_filters('pre_comment_user_domain', gethostbyaddr($comment_author_IP) ); 
     152 
     153    // Simple duplicate check 
     154    $dupe = "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND ( comment_author = '$comment_author' "; 
     155    if ( $comment_author_email ) 
     156        $dupe .= "OR comment_author_email = '$comment_author_email' "; 
     157    $dupe .= ") AND comment_content = '$comment_content' LIMIT 1"; 
     158    if ( $wpdb->get_var($dupe) ) 
     159        die( __('Duplicate comment detected; it looks as though you\'ve already said that!') ); 
     160 
     161    // Simple flood-protection 
     162    if ( $lasttime = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_author_IP = '$comment_author_IP' OR comment_author_email = '$comment_author_email' ORDER BY comment_date DESC LIMIT 1") ) { 
     163        $time_lastcomment = mysql2date('U', $lasttime); 
     164        $time_newcomment  = mysql2date('U', $comment_date_gmt); 
     165        if ( ($time_newcomment - $time_lastcomment) < 15 ) { 
     166            do_action('comment_flood_trigger', $time_lastcomment, $time_newcomment); 
     167            die( __('Sorry, you can only post a new comment once every 15 seconds. Slow down cowboy.') ); 
     168        } 
     169    } 
     170 
     171    if ( $user_id ) { 
     172        $userdata = get_userdata($user_id); 
     173        $user = new WP_User($user_id); 
     174        $post_author = $wpdb->get_var("SELECT post_author FROM $wpdb->posts WHERE ID = '$comment_post_ID' LIMIT 1"); 
     175    } 
     176 
     177    // The author and the admins get respect. 
     178    if ( $userdata && ( $user_id == $post_author || $user->has_cap('level_9') ) ) { 
     179        $approved = 1; 
     180    } 
     181 
     182    // Everyone else's comments will be checked. 
     183    else { 
     184        if ( check_comment($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent, $comment_type) ) 
     185            $approved = 1; 
     186        else 
     187            $approved = 0; 
     188        if ( wp_blacklist_check($comment_author, $comment_author_email, $comment_author_url, $comment_content, $comment_author_IP, $comment_agent) ) 
     189            $approved = 'spam'; 
     190    } 
     191 
     192    $approved = apply_filters('pre_comment_approved', $approved); 
     193    return $approved; 
     194} 
     195 
     196function wp_delete_comment($comment_id) { 
     197    global $wpdb; 
     198    do_action('delete_comment', $comment_id); 
     199 
     200    $comment = get_comment($comment_id); 
     201 
     202    if ( ! $wpdb->query("DELETE FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1") ) 
     203        return false; 
     204 
     205    $post_id = $comment->comment_post_ID; 
     206    if ( $post_id && $comment->comment_approved == 1 ) 
     207        $wpdb->query( "UPDATE $wpdb->posts SET comment_count = comment_count - 1 WHERE ID = '$post_id'" ); 
     208 
     209    do_action('wp_set_comment_status', $comment_id, 'delete'); 
     210    return true; 
     211} 
     212 
     213function wp_get_comment_status($comment_id) { 
     214    global $wpdb; 
     215 
     216    $result = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1"); 
     217    if ($result == NULL) { 
     218        return 'deleted'; 
     219    } else if ($result == '1') { 
     220        return 'approved'; 
     221    } else if ($result == '0') { 
     222        return 'unapproved'; 
     223    } else if ($result == 'spam') { 
     224        return 'spam'; 
     225    } else { 
     226        return false; 
     227    } 
     228} 
     229 
     230function wp_insert_comment($commentdata) { 
     231    global $wpdb; 
     232    extract($commentdata); 
     233 
     234    if ( ! isset($comment_author_IP) ) 
     235        $comment_author_IP = $_SERVER['REMOTE_ADDR']; 
     236    if ( ! isset($comment_date) ) 
     237        $comment_date = current_time('mysql'); 
     238    if ( ! isset($comment_date_gmt) ) 
     239        $comment_date_gmt = gmdate('Y-m-d H:i:s', strtotime($comment_date) ); 
     240&nbs