wp-includes/classes.php

   1 <?php
   2
   3 class WP_Query {
   4         var $query;
   5         var $query_vars;
   6         var $queried_object;
   7         var $queried_object_id;
   8         var $request;
   9
  10         var $posts;
  11         var $post_count = 0;
  12         var $current_post = -1;
  13         var $in_the_loop = false;
  14         var $post;
  15
  16         var $is_single = false;
  17         var $is_preview = false;
  18         var $is_page = false;
  19         var $is_archive = false;
  20         var $is_date = false;
  21         var $is_year = false;
  22         var $is_month = false;
  23         var $is_day = false;
  24         var $is_time = false;
  25         var $is_author = false;
  26         var $is_category = false;
  27         var $is_search = false;
  28         var $is_feed = false;
  29         var $is_trackback = false;
  30         var $is_home = false;
  31         var $is_404 = false;
  32         var $is_comments_popup = false;
  33         var $is_admin = false;
  34         var $is_attachment = false;
  35
  36         function init_query_flags() {
  37                 $this->is_single = false;
  38                 $this->is_page = false;
  39                 $this->is_archive = false;
  40                 $this->is_date = false;
  41                 $this->is_year = false;
  42                 $this->is_month = false;
  43                 $this->is_day = false;
  44                 $this->is_time = false;
  45                 $this->is_author = false;
  46                 $this->is_category = false;
  47                 $this->is_search = false;
  48                 $this->is_feed = false;
  49                 $this->is_trackback = false;
  50                 $this->is_home = false;
  51                 $this->is_404 = false;
  52                 $this->is_paged = false;
  53                 $this->is_admin = false;
  54                 $this->is_attachment = false;
  55         }
  56
  57         function init () {
  58                 unset($this->posts);
  59                 unset($this->query);
  60                 unset($this->query_vars);
  61                 unset($this->queried_object);
  62                 unset($this->queried_object_id);
  63                 $this->post_count = 0;
  64                 $this->current_post = -1;
  65                 $this->in_the_loop = false;
  66
  67                 $this->init_query_flags();
  68         }
  69
  70         // Reparse the query vars.
  71         function parse_query_vars() {
  72                 $this->parse_query('');
  73         }
  74
  75         // Parse a query string and set query type booleans.
  76         function parse_query ($query) {
  77                 if ( !empty($query) || !isset($this->query) ) {
  78                         $this->init();
  79                         parse_str($query, $qv);
  80                         $this->query = $query;
  81                         $this->query_vars = $qv;
  82                 }
  83
  84                 if ('404' == $qv['error']) {
  85                         $this->is_404 = true;
  86                         if ( !empty($query) ) {
  87                                 do_action('parse_query', array(&$this));
  88                         }
  89                         return;
  90                 }
  91
  92                 $qv['m'] =  (int) $qv['m'];
  93                 $qv['p'] =  (int) $qv['p'];
  94
  95                 // Compat.  Map subpost to attachment.
  96                 if ( '' != $qv['subpost'] )
  97                         $qv['attachment'] = $qv['subpost'];
  98                 if ( '' != $qv['subpost_id'] )
  99                         $qv['attachment_id'] = $qv['subpost_id'];
 100
 101                 if ( ('' != $qv['attachment']) || (int) $qv['attachment_id'] ) {
 102                         $this->is_single = true;
 103                         $this->is_attachment = true;
 104                 } elseif ('' != $qv['name']) {
 105                         $this->is_single = true;
 106                 } elseif ( $qv['p'] ) {
 107                         $this->is_single = true;
 108                 } elseif (('' != $qv['hour']) && ('' != $qv['minute']) &&('' != $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day'])) {
 109                         // If year, month, day, hour, minute, and second are set, a single
 110                         // post is being queried.
 111                         $this->is_single = true;
 112                 } elseif ('' != $qv['static'] || '' != $qv['pagename'] || (int) $qv['page_id']) {
 113                         $this->is_page = true;
 114                         $this->is_single = false;
 115                 } elseif (!empty($qv['s'])) {
 116                         $this->is_search = true;
 117                         switch ($qv['show_post_type']) {
 118                         case 'page' :
 119                                 $this->is_page = true;
 120                                 break;
 121                         case 'attachment' :
 122                                 $this->is_attachment = true;
 123                                 break;
 124                         }
 125                 } else {
 126                 // Look for archive queries.  Dates, categories, authors.
 127
 128                         if ( (int) $qv['second']) {
 129                                 $this->is_time = true;
 130                                 $this->is_date = true;
 131                         }
 132
 133                         if ( (int) $qv['minute']) {
 134                                 $this->is_time = true;
 135                                 $this->is_date = true;
 136                         }
 137
 138                         if ( (int) $qv['hour']) {
 139                                 $this->is_time = true;
 140                                 $this->is_date = true;
 141                         }
 142
 143                         if ( (int) $qv['day']) {
 144                                 if (! $this->is_date) {
 145                                         $this->is_day = true;
 146                                         $this->is_date = true;
 147                                 }
 148                         }
 149
 150                         if ( (int)  $qv['monthnum']) {
 151                                 if (! $this->is_date) {
 152                                         $this->is_month = true;
 153                                         $this->is_date = true;
 154                                 }
 155                         }
 156
 157                         if ( (int)  $qv['year']) {
 158                                 if (! $this->is_date) {
 159                                         $this->is_year = true;
 160                                         $this->is_date = true;
 161                                 }
 162                         }
 163
 164                         if ( (int)  $qv['m']) {
 165                                 $this->is_date = true;
 166                                 if (strlen($qv['m']) > 9) {
 167                                         $this->is_time = true;
 168                                 } else if (strlen($qv['m']) > 7) {
 169                                         $this->is_day = true;
 170                                 } else if (strlen($qv['m']) > 5) {
 171                                         $this->is_month = true;
 172                                 } else {
 173                                         $this->is_year = true;
 174                                 }
 175                         }
 176
 177                         if ('' != $qv['w']) {
 178                                 $this->is_date = true;
 179                         }
 180
 181                         if (empty($qv['cat']) || ($qv['cat'] == '0')) {
 182                                 $this->is_category = false;
 183                         } else {
 184                                 if (stristr($qv['cat'],'-')) {
 185                                         $this->is_category = false;
 186                                 } else {
 187                                         $this->is_category = true;
 188                                 }
 189                         }
 190
 191                         if ('' != $qv['category_name']) {
 192                                 $this->is_category = true;
 193                         }
 194
 195                         if ((empty($qv['author'])) || ($qv['author'] == '0')) {
 196                                 $this->is_author = false;
 197                         } else {
 198                                 $this->is_author = true;
 199                         }
 200
 201                         if ('' != $qv['author_name']) {
 202                                 $this->is_author = true;
 203                         }
 204
 205                         if ( ($this->is_date || $this->is_author || $this->is_category)) {
 206                                 $this->is_archive = true;
 207                         }
 208
 209                         if ( 'attachment' == $qv['show_post_type'] ) {
 210                                 $this->is_attachment = true;
 211                         }
 212                 }
 213
 214                 if ('' != $qv['feed']) {
 215                         $this->is_feed = true;
 216                 }
 217
 218                 if ('' != $qv['tb']) {
 219                         $this->is_trackback = true;
 220                 }
 221
 222                 if ('' != $qv['paged']) {
 223                         $this->is_paged = true;
 224                 }
 225
 226                 if ('' != $qv['comments_popup']) {
 227                         $this->is_comments_popup = true;
 228                 }
 229
 230                 //if we're previewing inside the write screen
 231                 if ('' != $qv['preview']) {
 232                         $this->is_preview = true;
 233                 }
 234
 235                 if (strstr($_SERVER['PHP_SELF'], 'wp-admin/')) {
 236                         $this->is_admin = true;
 237                 }
 238
 239                 if ( ! ($this->is_attachment || $this->is_archive || $this->is_single || $this->is_page || $this->is_search || $this->is_feed || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_comments_popup)) {
 240                         $this->is_home = true;
 241                 }
 242
 243                 if ( !empty($query) ) {
 244                         do_action('parse_query', array(&$this));
 245                 }
 246         }
 247
 248         function set_404() {
 249                 $is_feed = $this->is_feed;
 250
 251                 $this->init_query_flags();
 252                 $this->is_404 = true;
 253
 254                 $this->is_feed = $is_feed;
 255         }
 256
 257         function get($query_var) {
 258                 if (isset($this->query_vars[$query_var])) {
 259                         return $this->query_vars[$query_var];
 260                 }
 261
 262                 return '';
 263         }
 264
 265         function set($query_var, $value) {
 266                 $this->query_vars[$query_var] = $value;
 267         }
 268
 269         function &get_posts() {
 270                 global $wpdb, $pagenow, $user_ID;
 271
 272                 do_action('pre_get_posts', array(&$this));
 273
 274                 // Shorthand.
 275                 $q = $this->query_vars;
 276
 277                 // First let's clear some variables
 278                 $whichcat = '';
 279                 $whichauthor = '';
 280                 $whichpage = '';
 281                 $result = '';
 282                 $where = '';
 283                 $limits = '';
 284                 $distinct = '';
 285                 $join = '';
 286
 287                 if ( !isset($q['posts_per_page']) || $q['posts_per_page'] == 0 )
 288                         $q['posts_per_page'] = get_settings('posts_per_page');
 289                 if ( !isset($q['what_to_show']) )
 290                         $q['what_to_show'] = get_settings('what_to_show');
 291                 if ( isset($q['showposts']) && $q['showposts'] ) {
 292                         $q['showposts'] = (int) $q['showposts'];
 293                         $q['posts_per_page'] = $q['showposts'];
 294                 }
 295                 if ( (isset($q['posts_per_archive_page']) && $q['posts_per_archive_page'] != 0) && ($this->is_archive || $this->is_search) )
 296                         $q['posts_per_page'] = $q['posts_per_archive_page'];
 297                 if ( !isset($q['nopaging']) ) {
 298                         if ($q['posts_per_page'] == -1) {
 299                                 $q['nopaging'] = true;
 300                         } else {
 301                                 $q['nopaging'] = false;
 302                         }
 303                 }
 304                 if ( $this->is_feed ) {
 305                         $q['posts_per_page'] = get_settings('posts_per_rss');
 306                         $q['what_to_show'] = 'posts';
 307                 }
 308
 309                 if (isset($q['page'])) {
 310                         $q['page'] = trim($q['page'], '/');
 311                         $q['page'] = (int) $q['page'];
 312                         $q['page'] = abs($q['page']);
 313                 }
 314
 315                 $add_hours = intval(get_settings('gmt_offset'));
 316                 $add_minutes = intval(60 * (get_settings('gmt_offset') - $add_hours));
 317                 $wp_posts_post_date_field = "post_date"; // "DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)";
 318
 319                 // If a month is specified in the querystring, load that month
 320                 if ( (int) $q['m'] ) {
 321                         $q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']);
 322                         $where .= ' AND YEAR(post_date)=' . substr($q['m'], 0, 4);
 323                         if (strlen($q['m'])>5)
 324                                 $where .= ' AND MONTH(post_date)=' . substr($q['m'], 4, 2);
 325                         if (strlen($q['m'])>7)
 326                                 $where .= ' AND DAYOFMONTH(post_date)=' . substr($q['m'], 6, 2);
 327                         if (strlen($q['m'])>9)
 328                                 $where .= ' AND HOUR(post_date)=' . substr($q['m'], 8, 2);
 329                         if (strlen($q['m'])>11)
 330                                 $where .= ' AND MINUTE(post_date)=' . substr($q['m'], 10, 2);
 331                         if (strlen($q['m'])>13)
 332                                 $where .= ' AND SECOND(post_date)=' . substr($q['m'], 12, 2);
 333                 }
 334
 335                 if ( (int) $q['hour'] ) {
 336                         $q['hour'] = '' . intval($q['hour']);
 337                         $where .= " AND HOUR(post_date)='" . $q['hour'] . "'";
 338                 }
 339
 340                 if ( (int) $q['minute'] ) {
 341                         $q['minute'] = '' . intval($q['minute']);
 342                         $where .= " AND MINUTE(post_date)='" . $q['minute'] . "'";
 343                 }
 344
 345                 if ( (int) $q['second'] ) {
 346                         $q['second'] = '' . intval($q['second']);
 347                         $where .= " AND SECOND(post_date)='" . $q['second'] . "'";
 348                 }
 349
 350                 if ( (int) $q['year'] ) {
 351                         $q['year'] = '' . intval($q['year']);
 352                         $where .= " AND YEAR(post_date)='" . $q['year'] . "'";
 353                 }
 354
 355                 if ( (int) $q['monthnum'] ) {
 356                         $q['monthnum'] = '' . intval($q['monthnum']);
 357                         $where .= " AND MONTH(post_date)='" . $q['monthnum'] . "'";
 358                 }
 359
 360                 if ( (int) $q['day'] ) {
 361                         $q['day'] = '' . intval($q['day']);
 362                         $where .= " AND DAYOFMONTH(post_date)='" . $q['day'] . "'";
 363                 }
 364
 365                 // Compat.  Map subpost to attachment.
 366                 if ( '' != $q['subpost'] )
 367                         $q['attachment'] = $q['subpost'];
 368                 if ( '' != $q['subpost_id'] )
 369                         $q['attachment_id'] = $q['subpost_id'];
 370
 371                 if ('' != $q['name']) {
 372                         $q['name'] = sanitize_title($q['name']);
 373                         $where .= " AND post_name = '" . $q['name'] . "'";
 374                 } else if ('' != $q['pagename']) {
 375                         $q['pagename'] = str_replace('%2F', '/', urlencode(urldecode($q['pagename'])));
 376                         $page_paths = '/' . trim($q['pagename'], '/');
 377                         $q['pagename'] = sanitize_title(basename($page_paths));
 378                         $q['name'] = $q['pagename'];
 379                         $page_paths = explode('/', $page_paths);
 380                         foreach($page_paths as $pathdir)
 381                                 $page_path .= ($pathdir!=''?'/':'') . sanitize_title($pathdir);
 382
 383                         $all_page_ids = get_all_page_ids();
 384                         $reqpage = 0;
 385                         if (is_array($all_page_ids)) { foreach ( $all_page_ids as $page_id ) {
 386                                 $page = get_page($page_id);
 387                                 if ( $page->fullpath == $page_path ) {
 388                                         $reqpage = $page_id;
 389                                         break;
 390                                 }
 391                         } }
 392
 393                         $where .= " AND (ID = '$reqpage')";
 394                 } elseif ('' != $q['attachment']) {
 395                         $q['attachment'] = str_replace('%2F', '/', urlencode(urldecode($q['attachment'])));
 396                         $attach_paths = '/' . trim($q['attachment'], '/');
 397                         $q['attachment'] = sanitize_title(basename($attach_paths));
 398                         $q['name'] = $q['attachment'];
 399                         $where .= " AND post_name = '" . $q['attachment'] . "'";
 400                 }
 401
 402                 if ( (int) $q['w'] ) {
 403                         $q['w'] = ''.intval($q['w']);
 404                         $where .= " AND WEEK(post_date, 1)='" . $q['w'] . "'";
 405                 }
 406
 407                 if ( intval($q['comments_popup']) )
 408                         $q['p'] = intval($q['comments_popup']);
 409
 410                 // If a attachment is requested by number, let it supercede any post number.
 411                 if ( ($q['attachment_id'] != '') && (intval($q['attachment_id']) != 0) )
 412                         $q['p'] = (int) $q['attachment_id'];
 413
 414                 // If a post number is specified, load that post
 415                 if (($q['p'] != '') && intval($q['p']) != 0) {
 416                         $q['p'] =  (int) $q['p'];
 417                         $where = ' AND ID = ' . $q['p'];
 418                 }
 419
 420                 if (($q['page_id'] != '') && (intval($q['page_id']) != 0)) {
 421                         $q['page_id'] = intval($q['page_id']);
 422                         $q['p'] = $q['page_id'];
 423                         $where = ' AND ID = '.$q['page_id'];
 424                 }
 425
 426                 // If a search pattern is specified, load the posts that match
 427                 if (!empty($q['s'])) {
 428                         $q['s'] = addslashes_gpc($q['s']);
 429                         $search = ' AND (';
 430                         $q['s'] = preg_replace('/, +/', ' ', $q['s']);
 431                         $q['s'] = str_replace(',', ' ', $q['s']);
 432                         $q['s'] = str_replace('"', ' ', $q['s']);
 433                         $q['s'] = trim($q['s']);
 434                         if ($q['exact']) {
 435                                 $n = '';
 436                         } else {
 437                                 $n = '%';
 438                         }
 439                         if (!$q['sentence']) {
 440                                 $s_array = explode(' ',$q['s']);
 441                                 $q['search_terms'] = $s_array;
 442                                 $search .= '((post_title LIKE \''.$n.$s_array[0].$n.'\') OR (post_content LIKE \''.$n.$s_array[0].$n.'\'))';
 443                                 for ( $i = 1; $i < count($s_array); $i = $i + 1) {
 444                                         $search .= ' AND ((post_title LIKE \''.$n.$s_array[$i].$n.'\') OR (post_content LIKE \''.$n.$s_array[$i].$n.'\'))';
 445                                 }
 446                                 $search .= ' OR (post_title LIKE \''.$n.$q['s'].$n.'\') OR (post_content LIKE \''.$n.$q['s'].$n.'\')';
 447                                 $search .= ')';
 448                         } else {
 449                                 $search = ' AND ((post_title LIKE \''.$n.$q['s'].$n.'\') OR (post_content LIKE \''.$n.$q['s'].$n.'\'))';
 450                         }
 451                 }
 452
 453                 // Category stuff
 454
 455                 if ((empty($q['cat'])) || ($q['cat'] == '0') ||
 456                                 // Bypass cat checks if fetching specific posts
 457                                 ( $this->is_single || $this->is_page )) {
 458                         $whichcat='';
 459                 } else {
 460                         $q['cat'] = ''.urldecode($q['cat']).'';
 461                         $q['cat'] = addslashes_gpc($q['cat']);
 462                         if (stristr($q['cat'],'-')) {
 463                                 // Note: if we have a negative, we ignore all the positives. It must
 464                                 // always mean 'everything /except/ this one'. We should be able to do
 465                                 // multiple negatives but we don't :-(
 466                                 $eq = '!=';
 467                                 $andor = 'AND';
 468                                 $q['cat'] = explode('-',$q['cat']);
 469                                 $q['cat'] = intval($q['cat'][1]);
 470                         } else {
 471                                 $eq = '=';
 472                                 $andor = 'OR';
 473                         }
 474                         $join = " LEFT JOIN $wpdb->post2cat ON ($wpdb->posts.ID = $wpdb->post2cat.post_id) ";
 475                         $cat_array = preg_split('/[,\s]+/', $q['cat']);
 476                         $whichcat .= ' AND (category_id '.$eq.' '.intval($cat_array[0]);
 477                         $whichcat .= get_category_children($cat_array[0], ' '.$andor.' category_id '.$eq.' ');
 478                         for ($i = 1; $i < (count($cat_array)); $i = $i + 1) {
 479                                 $whichcat .= ' '.$andor.' category_id '.$eq.' '.intval($cat_array[$i]);
 480                                 $whichcat .= get_category_children($cat_array[$i], ' '.$andor.' category_id '.$eq.' ');
 481                         }
 482                         $whichcat .= ')';
 483                         if ($eq == '!=') {
 484                                 $q['cat'] = '-'.$q['cat']; // Put back the knowledge that we are excluding a category.
 485                         }
 486                 }
 487
 488                 // Category stuff for nice URIs
 489
 490                 global $cache_categories;
 491                 if ('' != $q['category_name']) {
 492                         $cat_paths = '/' . trim(urldecode($q['category_name']), '/');
 493                         $q['category_name'] = sanitize_title(basename($cat_paths));
 494                         $cat_paths = explode('/', $cat_paths);
 495                         foreach($cat_paths as $pathdir)
 496                                 $cat_path .= ($pathdir!=''?'/':'') . sanitize_title($pathdir);
 497
 498                         $all_cat_ids = get_all_category_ids();
 499                         $q['cat'] = 0; $partial_match = 0;
 500                         foreach ( $all_cat_ids as $cat_id ) {
 501                                 $cat = get_category($cat_id);
 502                                 if ( $cat->fullpath == $cat_path ) {
 503                                         $q['cat'] = $cat_id;
 504                                         break;
 505                                 } elseif ( $cat->category_nicename == $q['category_name'] ) {
 506                                         $partial_match = $cat_id;
 507                                 }
 508                         }
 509
 510                         //if we don't match the entire hierarchy fallback on just matching the nicename
 511                         if (!$q['cat'] && $partial_match) {
 512                                 $q['cat'] = $partial_match;
 513                         }
 514
 515                         $tables = ", $wpdb->post2cat, $wpdb->categories";
 516                         $join = " LEFT JOIN $wpdb->post2cat ON ($wpdb->posts.ID = $wpdb->post2cat.post_id) LEFT JOIN $wpdb->categories ON ($wpdb->post2cat.category_id = $wpdb->categories.cat_ID) ";
 517                         $whichcat = " AND (category_id = '" . $q['cat'] . "'";
 518                         $whichcat .= get_category_children($q['cat'], " OR category_id = ");
 519                         $whichcat .= ")";
 520                 }
 521
 522                 // Author/user stuff
 523
 524                 if ((empty($q['author'])) || ($q['author'] == '0')) {
 525                         $whichauthor='';
 526                 } else {
 527                         $q['author'] = ''.urldecode($q['author']).'';
 528                         $q['author'] = addslashes_gpc($q['author']);
 529                         if (stristr($q['author'], '-')) {
 530                                 $eq = '!=';
 531                                 $andor = 'AND';
 532                                 $q['author'] = explode('-', $q['author']);
 533                                 $q['author'] = ''.intval($q['author'][1]);
 534                         } else {
 535                                 $eq = '=';
 536                                 $andor = 'OR';
 537                         }
 538                         $author_array = preg_split('/[,\s]+/', $q['author']);
 539                         $whichauthor .= ' AND (post_author '.$eq.' '.intval($author_array[0]);
 540                         for ($i = 1; $i < (count($author_array)); $i = $i + 1) {
 541                                 $whichauthor .= ' '.$andor.' post_author '.$eq.' '.intval($author_array[$i]);
 542                         }
 543                         $whichauthor .= ')';
 544                 }
 545
 546                 // Author stuff for nice URIs
 547
 548                 if ('' != $q['author_name']) {
 549                         if (stristr($q['author_name'],'/')) {
 550                                 $q['author_name'] = explode('/',$q['author_name']);
 551                                 if ($q['author_name'][count($q['author_name'])-1]) {
 552                                         $q['author_name'] = $q['author_name'][count($q['author_name'])-1];#no trailing slash
 553                                 } else {
 554                                         $q['author_name'] = $q['author_name'][count($q['author_name'])-2];#there was a trailling slash
 555                                 }
 556                         }
 557                         $q['author_name'] = sanitize_title($q['author_name']);
 558                         $q['author'] = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_nicename='".$q['author_name']."'");
 559                         $whichauthor .= ' AND (post_author = '.intval($q['author']).')';
 560                 }
 561
 562                 $where .= $search.$whichcat.$whichauthor;
 563
 564                 if ((empty($q['order'])) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC'))) {
 565                         $q['order']='DESC';
 566                 }
 567
 568                 // Order by
 569                 if (empty($q['orderby'])) {
 570                         $q['orderby']='date '.$q['order'];
 571                 } else {
 572                         // Used to filter values
 573                         $allowed_keys = array('author', 'date', 'category', 'title', 'modified');
 574                         $q['orderby'] = urldecode($q['orderby']);
 575                         $q['orderby'] = addslashes_gpc($q['orderby']);
 576                         $orderby_array = explode(' ',$q['orderby']);
 577                         if (!in_array($orderby_array[0],$allowed_keys)) {
 578                                 $orderby_array[0] = 'date';
 579                         }
 580                         $q['orderby'] = $orderby_array[0].' '.$q['order'];
 581                         if (count($orderby_array)>1) {
 582                                 for ($i = 1; $i < (count($orderby_array)); $i = $i + 1) {
 583                                         // Only allow certain values for safety
 584                                         if (in_array($orderby_array[$i],$allowed_keys)) {
 585                                                 $q['orderby'] .= ',post_'.$orderby_array[$i].' '.$q['order'];
 586                                         }
 587                                 }
 588                         }
 589                 }
 590
 591                 $now = gmdate('Y-m-d H:i:59');
 592
 593                 //only select past-dated posts, except if a logged in user is viewing a single: then, if they
 594                 //can edit the post, we let them through
 595                 if ($pagenow != 'post.php' && $pagenow != 'edit.php' && !($this->is_single && $user_ID)) {
 596                         $where .= " AND post_date_gmt <= '$now'";
 597                         $distinct = 'DISTINCT';
 598                 }
 599
 600                 if ( $this->is_attachment ) {
 601                         $where .= " AND (post_status = 'attachment')";
 602                 } elseif ($this->is_page) {
 603                         $where .= " AND (post_status = 'static')";
 604                 } elseif ($this->is_single) {
 605                         $where .= " AND (post_status != 'static')";
 606                 } else {
 607                         $where .= " AND (post_status = 'publish'";
 608
 609                         if (isset($user_ID) && ('' != intval($user_ID)))
 610                                 $where .= " OR post_author = $user_ID AND post_status != 'draft' AND post_status != 'static')";
 611                         else
 612                                 $where .= ')';
 613                 }
 614
 615                 if (! $this->is_attachment )
 616                         $where .= " AND post_status != 'attachment'";
 617
 618                 // Apply filters on where and join prior to paging so that any
 619                 // manipulations to them are reflected in the paging by day queries.
 620                 $where = apply_filters('posts_where', $where);
 621                 $join = apply_filters('posts_join', $join);
 622
 623                 // Paging
 624                 if (empty($q['nopaging']) && ! $this->is_single && ! $this->is_page) {
 625                         $page = abs(intval($q['paged']));
 626                         if (empty($page)) {
 627                                 $page = 1;
 628                         }
 629
 630                         if (($q['what_to_show'] == 'posts')) {
 631                                 $q['offset'] = abs(intval($q['offset']));
 632                                 if ( empty($q['offset']) ) {
 633                                         $pgstrt = '';
 634                                         $pgstrt = (intval($page) -1) * $q['posts_per_page'] . ', ';
 635                                         $limits = 'LIMIT '.$pgstrt.$q['posts_per_page'];
 636                                 } else { // we're ignoring $page and using 'offset'
 637                                         $pgstrt = $q['offset'] . ', ';
 638                                         $limits = 'LIMIT ' . $pgstrt . $q['posts_per_page'];
 639                                 }
 640                         } elseif ($q['what_to_show'] == 'days') {
 641                                 $startrow = $q['posts_per_page'] * (intval($page)-1);
 642                                 $start_date = $wpdb->get_var("SELECT max(post_date) FROM $wpdb->posts $join WHERE (1=1) $where GROUP BY year(post_date), month(post_date), dayofmonth(post_date) ORDER BY post_date DESC LIMIT $startrow,1");
 643                                 $endrow = $startrow + $q['posts_per_page'] - 1;
 644                                 $end_date = $wpdb->get_var("SELECT min(post_date) FROM $wpdb->posts $join WHERE (1=1) $where GROUP BY year(post_date), month(post_date), dayofmonth(post_date) ORDER BY post_date DESC LIMIT $endrow,1");
 645
 646                                 if ($page > 1) {
 647                                         $where .= " AND post_date >= '$end_date' AND post_date <= '$start_date'";
 648                                 } else {
 649                                         $where .= " AND post_date >= '$end_date'";
 650                                 }
 651                         }
 652                 }
 653
 654                 // Apply post-paging filters on where and join.  Only plugins that
 655                 // manipulate paging queries should use these hooks.
 656                 $where = apply_filters('posts_where_paged', $where);
 657                 $groupby = " $wpdb->posts.ID ";
 658                 $groupby = apply_filters('posts_groupby', $groupby);
 659                 $join = apply_filters('posts_join_paged', $join);
 660                 $orderby = "post_" . $q['orderby'];
 661                 $orderby = apply_filters('posts_orderby', $orderby);
 662                 $request = " SELECT $distinct * FROM $wpdb->posts $join WHERE 1=1" . $where . " GROUP BY " . $groupby . " ORDER BY " . $orderby . " $limits";
 663                 $this->request = apply_filters('posts_request', $request);
 664
 665                 $this->posts = $wpdb->get_results($this->request);
 666
 667                 // Check post status to determine if post should be displayed.
 668                 if ( !empty($this->posts) && $this->is_single ) {
 669                         $status = get_post_status($this->posts[0]);
 670                         if ( ('publish' != $status) && ('static' != $status) ) {
 671                                 if ( ! (isset($user_ID) && ('' != intval($user_ID))) ) {
 672                                         // User must be logged in to view unpublished posts.
 673                                         $this->posts = array();
 674                                 } else {
 675                                         if ('draft' == $status) {
 676                                                 // User must have edit permissions on the draft to preview.
 677                                                 if (! current_user_can('edit_post', $this->posts[0]->ID)) {
 678                                                         $this->posts = array();
 679                                                 } else {
 680                                                         $this->is_preview = true;
 681                                                         $this->posts[0]->post_date = current_time('mysql');
 682                                                 }
 683                                         } else {
 684                                                 if (! current_user_can('read_post', $this->posts[0]->ID))
 685                                                         $this->posts = array();
 686                                         }
 687                                 }
 688                         } else {
 689                                 if (mysql2date('U', $this->posts[0]->post_date_gmt) > mysql2date('U', $now)) { //it's future dated
 690                                         $this->is_preview = true;
 691                                         if (!current_user_can('edit_post', $this->posts[0]->ID)) {
 692                                                 $this->posts = array ( );
 693                                         }
 694                                 }
 695                         }
 696                 }
 697
 698                 update_post_caches($this->posts);
 699
 700                 $this->posts = apply_filters('the_posts', $this->posts);
 701                 $this->post_count = count($this->posts);
 702                 if ($this->post_count > 0) {
 703                         $this->post = $this->posts[0];
 704                 }
 705
 706                 // Save any changes made to the query vars.
 707                 $this->query_vars = $q;
 708                 return $this->posts;
 709         }
 710
 711         function next_post() {
 712
 713                 $this->current_post++;
 714
 715                 $this->post = $this->posts[$this->current_post];
 716                 return $this->post;
 717         }
 718
 719         function the_post() {
 720                 global $post;
 721                 $this->in_the_loop = true;
 722                 $post = $this->next_post();
 723                 setup_postdata($post);
 724
 725                 if ( $this->current_post == 0 ) // loop has just started
 726                         do_action('loop_start');
 727         }
 728
 729         function have_posts() {
 730                 if ($this->current_post + 1 < $this->post_count) {
 731                         return true;
 732                 } elseif ($this->current_post + 1 == $this->post_count) {
 733                         do_action('loop_end');
 734                         // Do some cleaning up after the loop
 735                         $this->rewind_posts();
 736                 }
 737
 738                 $this->in_the_loop = false;
 739                 return false;
 740         }
 741
 742         function rewind_posts() {
 743                 $this->current_post = -1;
 744                 if ($this->post_count > 0) {
 745                         $this->post = $this->posts[0];
 746                 }
 747         }
 748
 749         function &query($query) {
 750                 $this->parse_query($query);
 751                 return $this->get_posts();
 752         }
 753
 754         function get_queried_object() {
 755                 if (isset($this->queried_object)) {
 756                         return $this->queried_object;
 757                 }
 758
 759                 $this->queried_object = NULL;
 760                 $this->queried_object_id = 0;
 761
 762                 if ($this->is_category) {
 763                         $cat = $this->get('cat');
 764                         $category = &get_category($cat);
 765                         $this->queried_object = &$category;
 766                         $this->queried_object_id = $cat;
 767                 } else if ($this->is_single) {
 768                         $this->queried_object = $this->post;
 769                         $this->queried_object_id = $this->post->ID;
 770                 } else if ($this->is_page) {
 771                         $this->queried_object = $this->post;
 772                         $this->queried_object_id = $this->post->ID;
 773                 } else if ($this->is_author) {
 774                         $author_id = $this->get('author');
 775                         $author = get_userdata($author_id);
 776                         $this->queried_object = $author;
 777                         $this->queried_object_id = $author_id;
 778                 }
 779
 780                 return $this->queried_object;
 781         }
 782
 783         function get_queried_object_id() {
 784                 $this->get_queried_object();
 785
 786                 if (isset($this->queried_object_id)) {
 787                         return $this->queried_object_id;
 788                 }
 789
 790                 return 0;
 791         }
 792
 793         function WP_Query ($query = '') {
 794                 if (! empty($query)) {
 795                         $this->query($query);
 796                 }
 797         }
 798 }
 799
 800 class retrospam_mgr {
 801         var $spam_words;
 802         var $comments_list;
 803         var $found_comments;
 804
 805         function retrospam_mgr() {
 806                 global $wpdb;
 807
 808                 $list = explode("\n", get_settings('moderation_keys') );
 809                 $list = array_unique( $list );
 810                 $this->spam_words = $list;
 811
 812                 $this->comment_list = (array) $wpdb->get_results("SELECT comment_ID AS ID, comment_content AS text, comment_approved AS approved, comment_author_url AS url, comment_author_ip AS ip, comment_author_email AS email FROM $wpdb->comments ORDER BY comment_ID ASC");
 813         }       // End of class constructor
 814
 815         function move_spam( $id_list ) {
 816                 global $wpdb;
 817                 $cnt = 0;
 818                 $id_list = explode( ',', $id_list );
 819
 820                 foreach ( $id_list as $comment ) {
 821                         if ( $wpdb->query("update $wpdb->comments set comment_approved = '0' where comment_ID = '$comment'") ) {
 822                                 $cnt++;
 823                         }
 824                 }
 825                 echo "<div class='updated'><p> ";
 826                 printf(__('%d comment(s) moved to the moderation queue.'), $cnt);
 827                 echo "</p></div>\n";
 828         }       // End function move_spam
 829
 830         function find_spam() {
 831                 $in_queue = 0;
 832
 833                 foreach( $this->comment_list as $comment ) {
 834                         if( $comment->approved == 1 ) {
 835                                 foreach( $this->spam_words as $word ) {
 836                                         $word = trim($word);
 837                                         if ( empty( $word ) )
 838                                                 continue;
 839                                         $fulltext = strtolower($comment->email.' '.$comment->url.' '.$comment->ip.' '.$comment->text);
 840                                         if( false !== strpos( $fulltext, strtolower($word) ) ) {
 841                                                 $this->found_comments[] = $comment->ID;
 842                                                 break;
 843                                         }
 844                                 }
 845                         } else {
 846                                 $in_queue++;
 847                         }
 848                 }
 849                 return array( 'found' => $this->found_comments, 'in_queue' => $in_queue );
 850         }       // End function find_spam
 851
 852         function display_edit_form( $counters ) {
 853                 $numfound = count($counters[found]);
 854                 $numqueue = $counters[in_queue];
 855
 856                 $body = '<p>' . sprintf(__('Suspected spam comments: %s'), "<strong>$numfound</strong>") . '</p>';
 857
 858                 if ( count($counters[found]) > 0 ) {
 859                         $id_list = implode( ',', $counters[found] );
 860                         $body .= '<p><a href="options-discussion.php?action=retrospam&amp;move=true&amp;ids='.$id_list.'">'. __('Move suspect comments to moderation queue &raquo;') . '</a></p>';
 861
 862                 }
 863                 $head = '<div class="wrap"><h2>' . __('Check Comments Results:') . '</h2>';
 864
 865                 $foot .= '<p><a href="options-discussion.php">' . __('&laquo; Return to Discussion Options page.') . '</a></p></div>';
 866
 867                 return $head . $body . $foot;
 868         }       // End function display_edit_form
 869
 870 }
 871
 872 class WP_Rewrite {
 873         var $permalink_structure;
 874         var $category_base;
 875         var $category_structure;
 876         var $author_base = 'author';
 877         var $author_structure;
 878         var $date_structure;
 879         var $page_structure;
 880         var $search_base = 'search';
 881         var $search_structure;
 882         var $comments_base = 'comments';
 883         var $feed_base = 'feed';
 884         var $comments_feed_structure;
 885         var $feed_structure;
 886         var $front;
 887         var $root = '';
 888         var $index = 'index.php';
 889         var $matches = '';
 890         var $rules;
 891         var $use_verbose_rules = false;
 892         var $rewritecode =
 893                 array(
 894                                         '%year%',
 895                                         '%monthnum%',
 896                                         '%day%',
 897                                         '%hour%',
 898                                         '%minute%',
 899                                         '%second%',
 900                                         '%postname%',
 901                                         '%post_id%',
 902                                         '%category%',
 903                                         '%author%',
 904                                         '%pagename%',
 905                                         '%search%'
 906                                         );
 907
 908         var $rewritereplace =
 909                 array(
 910                                         '([0-9]{4})',
 911                                         '([0-9]{1,2})',
 912                                         '([0-9]{1,2})',
 913                                         '([0-9]{1,2})',
 914                                         '([0-9]{1,2})',
 915                                         '([0-9]{1,2})',
 916                                         '([^/]+)',
 917                                         '([0-9]+)',
 918                                         '(.+?)',
 919                                         '([^/]+)',
 920                                         '([^/]+)',
 921                                         '(.+)'
 922                                         );
 923
 924         var $queryreplace =
 925                 array (
 926                                         'year=',
 927                                         'monthnum=',
 928                                         'day=',
 929                                         'hour=',
 930                                         'minute=',
 931                                         'second=',
 932                                         'name=',
 933                                         'p=',
 934                                         'category_name=',
 935                                         'author_name=',
 936                                         'pagename=',
 937                                         's='
 938                                         );
 939
 940         var $feeds = array ('feed', 'rdf', 'rss', 'rss2', 'atom');
 941
 942         function using_permalinks() {
 943                 if (empty($this->permalink_structure))
 944                         return false;
 945                 else
 946                         return true;
 947         }
 948
 949         function using_index_permalinks() {
 950                 if (empty($this->permalink_structure)) {
 951                         return false;
 952                 }
 953
 954                 // If the index is not in the permalink, we're using mod_rewrite.
 955                 if (preg_match('#^/*' . $this->index . '#', $this->permalink_structure)) {
 956                         return true;
 957                 }
 958
 959                 return false;
 960         }
 961
 962         function using_mod_rewrite_permalinks() {
 963                 if ( $this->using_permalinks() && ! $this->using_index_permalinks())
 964                         return true;
 965                 else
 966                         return false;
 967         }
 968
 969         function preg_index($number) {
 970                 $match_prefix = '$';
 971                 $match_suffix = '';
 972
 973                 if (! empty($this->matches)) {
 974                         $match_prefix = '$' . $this->matches . '[';
 975                         $match_suffix = ']';
 976                 }
 977
 978                 return "$match_prefix$number$match_suffix";
 979         }
 980
 981         function page_rewrite_rules() {
 982                 $uris = get_settings('page_uris');
 983                 $attachment_uris = get_settings('page_attachment_uris');
 984
 985                 $rewrite_rules = array();
 986                 $page_structure = $this->get_page_permastruct();
 987                 if( is_array( $attachment_uris ) ) {
 988                         foreach ($attachment_uris as $uri => $pagename) {
 989                                 $this->add_rewrite_tag('%pagename%', "($uri)", 'attachment=');
 990                                 $rewrite_rules = array_merge($rewrite_rules, $this->generate_rewrite_rules($page_structure));
 991                         }
 992                 }
 993                 if( is_array( $uris ) ) {
 994                         foreach ($uris as $uri => $pagename) {
 995                                 $this->add_rewrite_tag('%pagename%', "($uri)", 'pagename=');
 996                                 $rewrite_rules = array_merge($rewrite_rules, $this->generate_rewrite_rules($page_structure));
 997                         }
 998                 }
 999
1000                 return $rewrite_rules;
1001         }
1002
1003         function get_date_permastruct() {
1004                 if (isset($this->date_structure)) {
1005                         return $this->date_structure;
1006                 }
1007
1008                 if (empty($this->permalink_structure)) {
1009                         $this->date_structure = '';
1010                         return false;
1011                 }
1012
1013                 // The date permalink must have year, month, and day separated by slashes.
1014                 $endians = array('%year%/%monthnum%/%day%', '%day%/%monthnum%/%year%', '%monthnum%/%day%/%year%');
1015
1016                 $this->date_structure = '';
1017                 $date_endian = '';
1018
1019                 foreach ($endians as $endian) {
1020                         if (false !== strpos($this->permalink_structure, $endian)) {
1021                                 $date_endian= $endian;
1022                                 break;
1023                         }
1024                 }
1025
1026                 if ( empty($date_endian) )
1027                         $date_endian = '%year%/%monthnum%/%day%';
1028
1029                 // Do not allow the date tags and %post_id% to overlap in the permalink
1030                 // structure. If they do, move the date tags to $front/date/.
1031                 $front = $this->front;
1032                 preg_match_all('/%.+?%/', $this->permalink_structure, $tokens);
1033                 $tok_index = 1;
1034                 foreach ($tokens[0] as $token) {
1035                         if ( ($token == '%post_id%') && ($tok_index <= 3) ) {
1036                                 $front = $front . 'date/';
1037                                 break;
1038                         }
1039                         $tok_index++;
1040                 }
1041
1042                 $this->date_structure = $front . $date_endian;
1043
1044                 return $this->date_structure;
1045         }
1046
1047         function get_year_permastruct() {
1048                 $structure = $this->get_date_permastruct($this->permalink_structure);
1049
1050                 if (empty($structure)) {
1051                         return false;
1052                 }
1053
1054                 $structure = str_replace('%monthnum%', '', $structure);
1055                 $structure = str_replace('%day%', '', $structure);
1056
1057                 $structure = preg_replace('#/+#', '/', $structure);
1058
1059                 return $structure;
1060         }
1061
1062         function get_month_permastruct() {
1063                 $structure = $this->get_date_permastruct($this->permalink_structure);
1064
1065                 if (empty($structure)) {
1066                         return false;
1067                 }
1068
1069                 $structure = str_replace('%day%', '', $structure);
1070
1071                 $structure = preg_replace('#/+#', '/', $structure);
1072
1073                 return $structure;
1074         }
1075
1076         function get_day_permastruct() {
1077                 return $this->get_date_permastruct($this->permalink_structure);
1078         }
1079
1080         function get_category_permastruct() {
1081                 if (isset($this->category_structure)) {
1082                         return $this->category_structure;
1083                 }
1084
1085                 if (empty($this->permalink_structure)) {
1086                         $this->category_structure = '';
1087                         return false;
1088                 }
1089
1090                 if (empty($this->category_base))
1091                         $this->category_structure = $this->front . 'category/';
1092                 else
1093                         $this->category_structure = $this->category_base . '/';
1094
1095                 $this->category_structure .= '%category%';
1096
1097                 return $this->category_structure;
1098         }
1099
1100         function get_author_permastruct() {
1101                 if (isset($this->author_structure)) {
1102                         return $this->author_structure;
1103                 }
1104
1105                 if (empty($this->permalink_structure)) {
1106                         $this->author_structure = '';
1107                         return false;
1108                 }
1109
1110                 $this->author_structure = $this->front . $this->author_base . '/%author%';
1111
1112                 return $this->author_structure;
1113         }
1114
1115         function get_search_permastruct() {
1116                 if (isset($this->search_structure)) {
1117                         return $this->search_structure;
1118                 }
1119
1120                 if (empty($this->permalink_structure)) {
1121                         $this->search_structure = '';
1122                         return false;
1123                 }
1124
1125                 $this->search_structure = $this->root . $this->search_base . '/%search%';
1126
1127                 return $this->search_structure;
1128         }
1129
1130         function get_page_permastruct() {
1131                 if (isset($this->page_structure)) {
1132                         return $this->page_structure;
1133                 }
1134
1135                 if (empty($this->permalink_structure)) {
1136                         $this->page_structure = '';
1137                         return false;
1138                 }
1139
1140                 $this->page_structure = $this->root . '%pagename%';
1141
1142                 return $this->page_structure;
1143         }
1144
1145         function get_feed_permastruct() {
1146                 if (isset($this->feed_structure)) {
1147                         return $this->feed_structure;
1148                 }
1149
1150                 if (empty($this->permalink_structure)) {
1151                         $this->feed_structure = '';
1152                         return false;
1153                 }
1154
1155                 $this->feed_structure = $this->root . $this->feed_base . '/%feed%';
1156
1157                 return $this->feed_structure;
1158         }
1159
1160         function get_comment_feed_permastruct() {
1161                 if (isset($this->comment_feed_structure)) {
1162                         return $this->comment_feed_structure;
1163                 }
1164
1165                 if (empty($this->permalink_structure)) {
1166                         $this->comment_feed_structure = '';
1167                         return false;
1168                 }
1169
1170                 $this->comment_feed_structure = $this->root . $this->comments_base . '/' . $this->feed_base . '/%feed%';
1171
1172                 return $this->comment_feed_structure;
1173         }
1174
1175         function add_rewrite_tag($tag, $pattern, $query) {
1176                 // If the tag already exists, replace the existing pattern and query for
1177                 // that tag, otherwise add the new tag, pattern, and query to the end of
1178                 // the arrays.
1179                 $position = array_search($tag, $this->rewritecode);
1180                 if (FALSE !== $position && NULL !== $position) {
1181                         $this->rewritereplace[$position] = $pattern;
1182                         $this->queryreplace[$position] = $query;
1183                 } else {
1184                         $this->rewritecode[] = $tag;
1185                         $this->rewritereplace[] = $pattern;
1186                         $this->queryreplace[] = $query;
1187                 }
1188         }
1189
1190         function generate_rewrite_rules($permalink_structure, $paged = true, $feed = true, $forcomments = false, $walk_dirs = true) {
1191                 $feedregex2 = '';
1192                 foreach ($this->feeds as $feed_name) {
1193                         $feedregex2 .= $feed_name . '|';
1194                 }
1195                 $feedregex2 = '(' . trim($feedregex2, '|') .  ')/?$';
1196                 $feedregex = $this->feed_base  . '/' . $feedregex2;
1197
1198                 $trackbackregex = 'trackback/?$';
1199                 $pageregex = 'page/?([0-9]{1,})/?$';
1200
1201                 $front = substr($permalink_structure, 0, strpos($permalink_structure, '%'));
1202                 preg_match_all('/%.+?%/', $permalink_structure, $tokens);
1203
1204                 $num_tokens = count($tokens[0]);
1205
1206                 $index = $this->index;
1207                 $feedindex = $index;
1208                 $trackbackindex = $index;
1209                 for ($i = 0; $i < $num_tokens; ++$i) {
1210                         if (0 < $i) {
1211                                 $queries[$i] = $queries[$i - 1] . '&';
1212                         }
1213
1214                         $query_token = str_replace($this->rewritecode, $this->queryreplace, $tokens[0][$i]) . $this->preg_index($i+1);
1215                         $queries[$i] .= $query_token;
1216                 }
1217
1218                 $structure = $permalink_structure;
1219                 if ($front != '/') {
1220                         $structure = str_replace($front, '', $structure);
1221                 }
1222                 $structure = trim($structure, '/');
1223                 if ($walk_dirs) {
1224                         $dirs = explode('/', $structure);
1225                 } else {
1226                         $dirs[] = $structure;
1227                 }
1228                 $num_dirs = count($dirs);
1229
1230                 $front = preg_replace('|^/+|', '', $front);
1231
1232                 $post_rewrite = array();
1233                 $struct = $front;
1234                 for ($j = 0; $j < $num_dirs; ++$j) {
1235                         $struct .= $dirs[$j] . '/';
1236                         $struct = ltrim($struct, '/');
1237                         $match = str_replace($this->rewritecode, $this->rewritereplace, $struct);
1238                         $num_toks = preg_match_all('/%.+?%/', $struct, $toks);
1239                         $query = $queries[$num_toks - 1];
1240
1241                         $pagematch = $match . $pageregex;
1242                         $pagequery = $index . '?' . $query . '&paged=' . $this->preg_index($num_toks + 1);
1243
1244                         $feedmatch = $match . $feedregex;
1245                         $feedquery = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1);
1246
1247                         $feedmatch2 = $match . $feedregex2;
1248                         $feedquery2 = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1);
1249
1250                         if ($forcomments) {
1251                                 $feedquery .= '&withcomments=1';
1252                                 $feedquery2 .= '&withcomments=1';
1253                         }
1254
1255                         $rewrite = array();
1256                         if ($feed)
1257                                 $rewrite = array($feedmatch => $feedquery, $feedmatch2 => $feedquery2);
1258                         if ($paged)
1259                                 $rewrite = array_merge($rewrite, array($pagematch => $pagequery));
1260
1261                         if ($num_toks) {
1262                                 $post = false;
1263                                 $page = false;
1264                                 if (strstr($struct, '%postname%') || strstr($struct, '%post_id%')
1265                                                 || strstr($struct, '%pagename%')
1266                                                 || (strstr($struct, '%year%') &&  strstr($struct, '%monthnum%') && strstr($struct, '%day%') && strstr($struct, '%hour%') && strstr($struct, '%minute') && strstr($struct, '%second%'))) {
1267                                         $post = true;
1268                                         if  ( strstr($struct, '%pagename%') )
1269                                                 $page = true;
1270                                         $trackbackmatch = $match . $trackbackregex;
1271                                         $trackbackquery = $trackbackindex . '?' . $query . '&tb=1';
1272                                         $match = rtrim($match, '/');
1273                                         $submatchbase = str_replace(array('(',')'),'',$match);
1274                                         $sub1 = $submatchbase . '/([^/]+)/';
1275                                         $sub1tb = $sub1 . $trackbackregex;
1276                                         $sub1feed = $sub1 . $feedregex;
1277                                         $sub1feed2 = $sub1 . $feedregex2;
1278                                         $sub1 .= '?$';
1279                                         $sub2 = $submatchbase . '/attachment/([^/]+)/';
1280                                         $sub2tb = $sub2 . $trackbackregex;
1281                                         $sub2feed = $sub2 . $feedregex;
1282                                         $sub2feed2 = $sub2 . $feedregex2;
1283                                         $sub2 .= '?$';
1284                                         $subquery = $index . '?attachment=' . $this->preg_index(1);
1285                                         $subtbquery = $subquery . '&tb=1';
1286                                         $subfeedquery = $subquery . '&feed=' . $this->preg_index(2);
1287                                         $match = $match . '(/[0-9]+)?/?$';
1288                                         $query = $index . '?' . $query . '&page=' . $this->preg_index($num_toks + 1);
1289                                 } else {
1290                                         $match .= '?$';
1291                                         $query = $index . '?' . $query;
1292                                 }
1293
1294                                 $rewrite = array_merge($rewrite, array($match => $query));
1295
1296                                 if ($post) {
1297                                         $rewrite = array_merge(array($trackbackmatch => $trackbackquery), $rewrite);
1298                                         if ( ! $page )
1299                                                 $rewrite = array_merge($rewrite, array($sub1 => $subquery, $sub1tb => $subtbquery, $sub1feed => $subfeedquery, $sub1feed2 => $subfeedquery));
1300                                         $rewrite = array_merge($rewrite, array($sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery));
1301                                 }
1302                         }
1303                         $post_rewrite = array_merge($rewrite, $post_rewrite);
1304                 }
1305                 return $post_rewrite;
1306         }
1307
1308         function generate_rewrite_rule($permalink_structure, $walk_dirs = false) {
1309                 return $this->generate_rewrite_rules($permalink_structure, false, false, false, $walk_dirs);
1310         }
1311
1312         /* rewrite_rules
1313          * Construct rewrite matches and queries from permalink structure.
1314          * Returns an associate array of matches and queries.
1315          */
1316         function rewrite_rules() {
1317                 $rewrite = array();
1318
1319                 if (empty($this->permalink_structure)) {
1320                         return $rewrite;
1321                 }
1322                 //Default Feed rules - These are require to allow for the direct access files to work with permalink structure starting with %category%
1323                 $default_feeds = array( 'wp-atom.php$'  =>      $this->index .'?feed=atom',
1324                                                                 'wp-rdf.php$'   =>      $this->index .'?feed=rdf',
1325                                                                 'wp-rss.php$'   =>      $this->index .'?feed=rss',
1326                                                                 'wp-rss2.php$'  =>      $this->index .'?feed=rss2',
1327                                                                 'wp-feed.php$'  =>      $this->index .'?feed=feed',
1328                                                                 'wp-commentsrss2.php$'  =>      $this->index . '?feed=rss2&withcomments=1');
1329
1330
1331                 // Post
1332                 $post_rewrite = $this->generate_rewrite_rules($this->permalink_structure);
1333                 $post_rewrite = apply_filters('post_rewrite_rules', $post_rewrite);
1334
1335                 // Date
1336                 $date_rewrite = $this->generate_rewrite_rules($this->get_date_permastruct());
1337                 $date_rewrite = apply_filters('date_rewrite_rules', $date_rewrite);
1338
1339                 // Root
1340                 $root_rewrite = $this->generate_rewrite_rules($this->root . '/');
1341                 $root_rewrite = apply_filters('root_rewrite_rules', $root_rewrite);
1342
1343                 // Comments
1344                 $comments_rewrite = $this->generate_rewrite_rules($this->root . $this->comments_base, true, true, true, false);
1345                 $comments_rewrite = apply_filters('comments_rewrite_rules', $comments_rewrite);
1346
1347                 // Search
1348                 $search_structure = $this->get_search_permastruct();
1349                 $search_rewrite = $this->generate_rewrite_rules($search_structure);
1350                 $search_rewrite = apply_filters('search_rewrite_rules', $search_rewrite);
1351
1352                 // Categories
1353                 $category_rewrite = $this->generate_rewrite_rules($this->get_category_permastruct());
1354                 $category_rewrite = apply_filters('category_rewrite_rules', $category_rewrite);
1355
1356                 // Authors
1357                 $author_rewrite = $this->generate_rewrite_rules($this->get_author_permastruct());
1358                 $author_rewrite = apply_filters('author_rewrite_rules', $author_rewrite);
1359
1360                 // Pages
1361                 $page_rewrite = $this->page_rewrite_rules();
1362                 $page_rewrite = apply_filters('page_rewrite_rules', $page_rewrite);
1363
1364                 // Put them together.
1365                 $this->rules = array_merge($default_feeds, $page_rewrite, $root_rewrite, $comments_rewrite, $search_rewrite, $category_rewrite, $author_rewrite, $date_rewrite, $post_rewrite);
1366
1367                 do_action('generate_rewrite_rules', array(&$this));
1368                 $this->rules = apply_filters('rewrite_rules_array', $this->rules);
1369
1370                 return $this->rules;
1371         }
1372
1373         function wp_rewrite_rules() {
1374                 $this->rules = get_option('rewrite_rules');
1375                 if ( empty($this->rules) ) {
1376                         $this->matches = 'matches';
1377                         $this->rewrite_rules();
1378                         update_option('rewrite_rules', $this->rules);
1379                 }
1380
1381                 return $this->rules;
1382         }
1383
1384         function mod_rewrite_rules() {
1385                 if ( ! $this->using_permalinks()) {
1386                         return '';
1387                 }
1388
1389                 $site_root = parse_url(get_settings('siteurl'));
1390                 $site_root = trailingslashit($site_root['path']);
1391
1392                 $home_root = parse_url(get_settings('home'));
1393                 $home_root = trailingslashit($home_root['path']);
1394
1395                 $rules = "<IfModule mod_rewrite.c>\n";
1396                 $rules .= "RewriteEngine On\n";
1397                 $rules .= "RewriteBase $home_root\n";
1398
1399                 if ($this->use_verbose_rules) {
1400                         $this->matches = '';
1401                         $rewrite = $this->rewrite_rules();
1402                         $num_rules = count($rewrite);
1403                         $rules .= "RewriteCond %{REQUEST_FILENAME} -f [OR]\n" .
1404                                 "RewriteCond %{REQUEST_FILENAME} -d\n" .
1405                                 "RewriteRule ^.*$ - [S=$num_rules]\n";
1406
1407                         foreach ($rewrite as $match => $query) {
1408                                 // Apache 1.3 does not support the reluctant (non-greedy) modifier.
1409                                 $match = str_replace('.+?', '.+', $match);
1410
1411                                 // If the match is unanchored and greedy, prepend rewrite conditions
1412                                 // to avoid infinite redirects and eclipsing of real files.
1413                                 if ($match == '(.+)/?$' || $match == '([^/]+)/?$' ) {
1414                                         //nada.
1415                                 }
1416
1417                                 if (strstr($query, $this->index)) {
1418                                         $rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n";
1419                                 } else {
1420                                         $rules .= 'RewriteRule ^' . $match . ' ' . $site_root . $query . " [QSA,L]\n";
1421                                 }
1422                         }
1423                 } else {
1424                         $rules .= "RewriteCond %{REQUEST_FILENAME} !-f\n" .
1425                                 "RewriteCond %{REQUEST_FILENAME} !-d\n" .
1426                                 "RewriteRule . {$home_root}{$this->index} [L]\n";
1427                 }
1428
1429                 $rules .= "</IfModule>\n";
1430
1431                 $rules = apply_filters('mod_rewrite_rules', $rules);
1432                 $rules = apply_filters('rewrite_rules', $rules);  // Deprecated
1433
1434                 return $rules;
1435         }
1436
1437         function flush_rules() {
1438                 generate_page_rewrite_rules();
1439                 delete_option('rewrite_rules');
1440                 $this->wp_rewrite_rules();
1441                 if ( function_exists('save_mod_rewrite_rules') )
1442                         save_mod_rewrite_rules();
1443         }
1444
1445         function init() {
1446                 $this->permalink_structure = get_settings('permalink_structure');
1447                 $this->front = substr($this->permalink_structure, 0, strpos($this->permalink_structure, '%'));
1448                 $this->root = '';
1449                 if ($this->using_index_permalinks()) {
1450                         $this->root = $this->index . '/';
1451                 }
1452                 $this->category_base = get_settings('category_base');
1453                 unset($this->category_structure);
1454                 unset($this->author_structure);
1455                 unset($this->date_structure);
1456                 unset($this->page_structure);
1457                 unset($this->search_structure);
1458                 unset($this->feed_structure);
1459                 unset($this->comment_feed_structure);
1460         }
1461
1462         function set_permalink_structure($permalink_structure) {
1463                 if ($permalink_structure != $this->permalink_structure) {
1464                         update_option('permalink_structure', $permalink_structure);
1465                         $this->init();
1466                 }
1467         }
1468
1469         function set_category_base($category_base) {
1470                 if ($category_base != $this->category_base) {
1471                         update_option('category_base', $category_base);
1472                         $this->init();
1473                 }
1474         }
1475
1476         function WP_Rewrite() {
1477                 $this->init();
1478         }
1479 }
1480
1481 class WP {
1482         var $public_query_vars = array('m', 'p', 'posts', 'w', 'cat', 'withcomments', 's', 'search', 'exact', 'sentence', 'debug', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview');
1483
1484         var $private_query_vars = array('posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging', 'show_post_type');
1485
1486         var $query_vars;
1487         var $query_string;
1488         var $request;
1489         var $matched_rule;
1490         var $matched_query;
1491         var $did_permalink = false;
1492
1493         function parse_request($extra_query_vars = '') {
1494                 global $wp_rewrite;
1495
1496                 $this->query_vars = array();
1497
1498                 if (! empty($extra_query_vars))
1499                         parse_str($extra_query_vars, $extra_query_vars);
1500                 else
1501                         $extra_query_vars = array();
1502
1503                 // Process PATH_INFO, REQUEST_URI, and 404 for permalinks.
1504
1505                 // Fetch the rewrite rules.
1506                 $rewrite = $wp_rewrite->wp_rewrite_rules();
1507
1508                 if (! empty($rewrite)) {
1509                         // If we match a rewrite rule, this will be cleared.
1510                         $error = '404';
1511                         $this->did_permalink = true;
1512
1513                         $pathinfo = $_SERVER['PATH_INFO'];
1514                         $pathinfo_array = explode('?', $pathinfo);
1515                         $pathinfo = str_replace("%", "%25", $pathinfo_array[0]);
1516                         $req_uri = $_SERVER['REQUEST_URI'];
1517                         $req_uri_array = explode('?', $req_uri);
1518                         $req_uri = $req_uri_array[0];
1519                         $self = $_SERVER['PHP_SELF'];
1520                         $home_path = parse_url(get_settings('home'));
1521                         $home_path = $home_path['path'];
1522                         $home_path = trim($home_path, '/');
1523
1524                         // Trim path info from the end and the leading home path from the
1525                         // front.  For path info requests, this leaves us with the requesting
1526                         // filename, if any.  For 404 requests, this leaves us with the
1527                         // requested permalink.
1528                         $req_uri = str_replace($pathinfo, '', $req_uri);
1529                         $req_uri = trim($req_uri, '/');
1530                         $req_uri = preg_replace("|^$home_path|", '', $req_uri);
1531                         $req_uri = trim($req_uri, '/');
1532                         $pathinfo = trim($pathinfo, '/');
1533                         $pathinfo = preg_replace("|^$home_path|", '', $pathinfo);
1534                         $pathinfo = trim($pathinfo, '/');
1535                         $self = trim($self, '/');
1536                         $self = preg_replace("|^$home_path|", '', $self);
1537                         $self = str_replace($home_path, '', $self);
1538                         $self = trim($self, '/');
1539
1540                         // The requested permalink is in $pathinfo for path info requests and
1541                         //  $req_uri for other requests.
1542                         if ( ! empty($pathinfo) && !preg_match('|^.*' . $wp_rewrite->index . '$|', $pathinfo) ) {
1543                                 $request = $pathinfo;
1544                         } else {
1545                                 // If the request uri is the index, blank it out so that we don't try to match it against a rule.
1546                                 if ( $req_uri == $wp_rewrite->index )
1547                                         $req_uri = '';
1548                                 $request = $req_uri;
1549                         }
1550
1551                         $this->request = $request;
1552
1553                         // Look for matches.
1554                         $request_match = $request;
1555                         foreach ($rewrite as $match => $query) {
1556                                 // If the requesting file is the anchor of the match, prepend it
1557                                 // to the path info.
1558                                 if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0) && ($req_uri != $request)) {
1559                                         $request_match = $req_uri . '/' . $request;
1560                                 }
1561
1562                                 if (preg_match("!^$match!", $request_match, $matches) ||
1563                                         preg_match("!^$match!", urldecode($request_match), $matches)) {
1564                                         // Got a match.
1565                                         $this->matched_rule = $match;
1566
1567                                         // Trim the query of everything up to the '?'.
1568                                         $query = preg_replace("!^.+\?!", '', $query);
1569
1570                                         // Substitute the substring matches into the query.
1571                                         eval("\$query = \"$query\";");
1572                                         $this->matched_query = $query;
1573
1574                                         // Parse the query.
1575                                         parse_str($query, $query_vars);
1576
1577                                         // If we're processing a 404 request, clear the error var
1578                                         // since we found something.
1579                                         if (isset($_GET['error']))
1580                                                 unset($_GET['error']);
1581
1582                                         if (isset($error))
1583                                                 unset($error);
1584
1585                                         break;
1586                                 }
1587                         }
1588
1589                         // If req_uri is empty or if it is a request for ourself, unset error.
1590                         if ( empty($request) || $req_uri == $self || strstr($_SERVER['PHP_SELF'], 'wp-admin/') ) {
1591                                 if (isset($_GET['error']))
1592                                         unset($_GET['error']);
1593
1594                                 if (isset($error))
1595                                         unset($error);
1596
1597                                 if ( isset($query_vars) && strstr($_SERVER['PHP_SELF'], 'wp-admin/') )
1598                                         unset($query_vars);
1599
1600                                 $this->did_permalink = false;
1601                         }
1602                 }
1603
1604                 $this->public_query_vars = apply_filters('query_vars', $this->public_query_vars);
1605
1606                 for ($i=0; $i<count($this->public_query_vars); $i += 1) {
1607                         $wpvar = $this->public_query_vars[$i];
1608                         if (isset($extra_query_vars[$wpvar]))
1609                                 $this->query_vars[$wpvar] = $extra_query_vars[$wpvar];
1610                         elseif (isset($GLOBALS[$wpvar]))
1611                                 $this->query_vars[$wpvar] = $GLOBALS[$wpvar];
1612                         elseif (!empty($_POST[$wpvar]))
1613                                 $this->query_vars[$wpvar] = $_POST[$wpvar];
1614                         elseif (!empty($_GET[$wpvar]))
1615                                 $this->query_vars[$wpvar] = $_GET[$wpvar];
1616                         elseif (!empty($query_vars[$wpvar]))
1617                                 $this->query_vars[$wpvar] = $query_vars[$wpvar];
1618                         else
1619                                 $this->query_vars[$wpvar] = '';
1620
1621                         if ( !empty( $this->query_vars[$wpvar] ) )
1622                                 $this->query_vars[$wpvar] = (string) $this->query_vars[$wpvar];
1623                 }
1624
1625                 if ( isset($error) )
1626                         $this->query_vars['error'] = $error;
1627         }
1628
1629         function send_headers() {
1630                 @header('X-Pingback: '. get_bloginfo('pingback_url'));
1631                 if ( is_user_logged_in() )
1632                         nocache_headers();
1633                 if ( !empty($this->query_vars['error']) && '404' == $this->query_vars['error'] ) {
1634                         status_header( 404 );
1635                         if ( !is_user_logged_in() )
1636                                 nocache_headers();
1637                         @header('Content-type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
1638                 } else if ( empty($this->query_vars['feed']) ) {
1639                         @header('Content-type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
1640                 } else {
1641                         // We're showing a feed, so WP is indeed the only thing that last changed
1642                         if ( $this->query_vars['withcomments'] )
1643                                 $wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastcommentmodified('GMT'), 0).' GMT';
1644                         else
1645                                 $wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
1646                         $wp_etag = '"' . md5($wp_last_modified) . '"';
1647                         @header("Last-Modified: $wp_last_modified");
1648                         @header("ETag: $wp_etag");
1649
1650                         // Support for Conditional GET
1651                         if (isset($_SERVER['HTTP_IF_NONE_MATCH']))
1652                                 $client_etag = stripslashes(stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
1653                         else $client_etag = false;
1654
1655                         $client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE']);
1656                         // If string is empty, return 0. If not, attempt to parse into a timestamp
1657                         $client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;
1658
1659                         // Make a timestamp for our most recent modification...
1660                         $wp_modified_timestamp = strtotime($wp_last_modified);
1661
1662                         if ( ($client_last_modified && $client_etag) ?
1663                                          (($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :
1664                                          (($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) {
1665                                 status_header( 304 );
1666                                 exit;
1667                         }
1668                 }
1669         }
1670
1671         function build_query_string() {
1672                 $this->query_string = '';
1673
1674                 foreach ($this->public_query_vars as $wpvar) {
1675                         if (isset($this->query_vars[$wpvar]) && '' != $this->query_vars[$wpvar]) {
1676                                 $this->query_string .= (strlen($this->query_string) < 1) ? '' : '&';
1677                                 if ( !is_scalar($this->query_vars[$wpvar]) ) // Discard non-scalars.
1678                                         continue;
1679                                 $this->query_string .= $wpvar . '=' . rawurlencode($this->query_vars[$wpvar]);
1680                         }
1681                 }
1682
1683                 foreach ($this->private_query_vars as $wpvar) {
1684                         if (isset($GLOBALS[$wpvar]) && '' != $GLOBALS[$wpvar]) {
1685                                 $this->query_string .= (strlen($this->query_string) < 1) ? '' : '&';
1686                                 $this->query_string .= $wpvar . '=' . rawurlencode($GLOBALS[$wpvar]);
1687                         }
1688                 }
1689
1690                 $this->query_string = apply_filters('query_string', $this->query_string);
1691         }
1692
1693         function register_globals() {
1694                 global $wp_query;
1695                 // Extract updated query vars back into global namespace.
1696                 foreach ($wp_query->query_vars as $key => $value) {
1697                         $GLOBALS[$key] = $value;
1698                 }
1699
1700                 $GLOBALS['query_string'] = & $this->query_string;
1701                 $GLOBALS['posts'] = & $wp_query->posts;
1702                 $GLOBALS['post'] = & $wp_query->post;
1703                 $GLOBALS['request'] = & $wp_query->request;
1704
1705                 if ( is_single() || is_page() ) {
1706                         $GLOBALS['more'] = 1;
1707                         $GLOBALS['single'] = 1;
1708                 }
1709         }
1710
1711         function init() {
1712                 wp_get_current_user();
1713         }
1714
1715         function query_posts() {
1716                 $this->build_query_string();
1717                 query_posts($this->query_string);
1718         }
1719
1720         function handle_404() {
1721                 global $wp_query;
1722                 // Issue a 404 if a permalink request doesn't match any posts.  Don't
1723                 // issue a 404 if one was already issued, if the request was a search,
1724                 // or if the request was a regular query string request rather than a
1725                 // permalink request.
1726                 if ( (0 == count($wp_query->posts)) && !is_404() && !is_search() && ( $this->did_permalink || (!empty($_SERVER['QUERY_STRING']) && (false === strpos($_SERVER['REQUEST_URI'], '?'))) ) ) {
1727                         $wp_query->set_404();
1728                         status_header( 404 );
1729                         nocache_headers();
1730                 }       elseif( is_404() != true ) {
1731                         status_header( 200 );
1732                 }
1733         }
1734
1735         function main($query_args = '') {
1736                 $this->init();
1737                 $this->parse_request($query_args);
1738                 $this->send_headers();
1739                 $this->query_posts();
1740                 $this->handle_404();
1741                 $this->register_globals();
1742         }
1743
1744         function WP() {
1745                 // Empty.
1746         }
1747 }
1748
1749 ?>