[wp-cvs] wordpress/wp-includes functions.php,1.102,1.103

Ryan Boren rboren at users.sourceforge.net
Sun May 23 21:55:42 CDT 2004


Update of /cvsroot/cafelog/wordpress/wp-includes
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv26293/wp-includes

Modified Files:
	functions.php 
Log Message:
Introducing query_posts(), update_post_caches(), update_user_cache(), and update_category_cache().

Index: functions.php
===================================================================
RCS file: /cvsroot/cafelog/wordpress/wp-includes/functions.php,v
retrieving revision 1.102
retrieving revision 1.103
diff -C2 -d -r1.102 -r1.103
*** functions.php	23 May 2004 02:55:10 -0000	1.102
--- functions.php	24 May 2004 02:55:39 -0000	1.103
***************
*** 1354,1357 ****
--- 1354,1766 ----
  }
  
+ function query_posts($query) {
+     global $wpdb, $tablepost2cat, $tableposts, $tablecategories, $tableusers,
+         $pagenow;
+ 
+     parse_str($query);
+ 
+     // First let's clear some variables
+     $whichcat = '';
+     $whichauthor = '';
+     $result = '';
+     $where = '';
+     $limits = '';
+     $distinct = '';
+     $join = '';
+ 
+     $add_hours = intval(get_settings('gmt_offset'));
+     $add_minutes = intval(60 * (get_settings('gmt_offset') - $add_hours));
+     $wp_posts_post_date_field = "post_date"; // "DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)";
+ 
+     // If a month is specified in the querystring, load that month
+     if ('' != $m) {
+         $m = '' . preg_replace('|[^0-9]|', '', $m);
+         $where .= ' AND YEAR(post_date)=' . substr($m, 0, 4);
+         if (strlen($m)>5)
+             $where .= ' AND MONTH(post_date)=' . substr($m, 4, 2);
+         if (strlen($m)>7)
+             $where .= ' AND DAYOFMONTH(post_date)=' . substr($m, 6, 2);
+         if (strlen($m)>9)
+             $where .= ' AND HOUR(post_date)=' . substr($m, 8, 2);
+         if (strlen($m)>11)
+             $where .= ' AND MINUTE(post_date)=' . substr($m, 10, 2);
+         if (strlen($m)>13)
+             $where .= ' AND SECOND(post_date)=' . substr($m, 12, 2);
+     }
+ 
+     if ('' != $hour) {
+         $hour = '' . intval($hour);
+         $where .= " AND HOUR(post_date)='$hour'";
+     }
+ 
+     if ('' != $minute) {
+         $minute = '' . intval($minute);
+         $where .= " AND MINUTE(post_date)='$minute'";
+     }
+ 
+     if ('' != $second) {
+         $second = '' . intval($second);
+         $where .= " AND SECOND(post_date)='$second'";
+     }
+ 
+     if ('' != $year) {
+         $year = '' . intval($year);
+         $where .= " AND YEAR(post_date)='$year'";
+     }
+ 
+     if ('' != $monthnum) {
+         $monthnum = '' . intval($monthnum);
+         $where .= " AND MONTH(post_date)='$monthnum'";
+     }
+ 
+     if ('' != $day) {
+         $day = '' . intval($day);
+         $where .= " AND DAYOFMONTH(post_date)='$day'";
+     }
+ 
+     if ('' != $name) {
+         $name = preg_replace('/[^a-z0-9-_]/', '', $name);
+         $where .= " AND post_name = '$name'";
+     }
+ 
+     if ('' != $w) {
+         $w = ''.intval($w);
+         $where .= " AND WEEK(post_date, 1)='$w'";
+     }
+ 
+     // If a post number is specified, load that post
+     if (($p != '') && ($p != 'all')) {
+         $p = intval($p);
+         $where = ' AND ID = '.$p;
+     }
+ 
+     // If a search pattern is specified, load the posts that match
+     if (!empty($s)) {
+         $s = addslashes_gpc($s);
+         $search = ' AND (';
+         $s = preg_replace('/, +/', ' ', $s);
+         $s = str_replace(',', ' ', $s);
+         $s = str_replace('"', ' ', $s);
+         $s = trim($s);
+         if ($exact) {
+             $n = '';
+         } else {
+             $n = '%';
+         }
+         if (!$sentence) {
+             $s_array = explode(' ',$s);
+             $search .= '((post_title LIKE \''.$n.$s_array[0].$n.'\') OR (post_content LIKE \''.$n.$s_array[0].$n.'\'))';
+             for ( $i = 1; $i < count($s_array); $i = $i + 1) {
+                 $search .= ' AND ((post_title LIKE \''.$n.$s_array[$i].$n.'\') OR (post_content LIKE \''.$n.$s_array[$i].$n.'\'))';
+             }
+             $search .= ' OR (post_title LIKE \''.$n.$s.$n.'\') OR (post_content LIKE \''.$n.$s.$n.'\')';
+             $search .= ')';
+         } else {
+             $search = ' AND ((post_title LIKE \''.$n.$s.$n.'\') OR (post_content LIKE \''.$n.$s.$n.'\'))';
+         }
+     }
+ 
+     // Category stuff
+ 
+     if ((empty($cat)) || ($cat == 'all') || ($cat == '0') || 
+         // Bypass cat checks if fetching specific posts
+         (
+          intval($year) || intval($monthnum) || intval($day) || intval($w) ||
+          intval($p) || !empty($name) || !empty($s)
+          )
+ 		) {
+         $whichcat='';
+     } else {
+         $cat = ''.urldecode($cat).'';
+         $cat = addslashes_gpc($cat);
+         if (stristr($cat,'-')) {
+             // Note: if we have a negative, we ignore all the positives. It must
+             // always mean 'everything /except/ this one'. We should be able to do
+             // multiple negatives but we don't :-(
+             $eq = '!=';
+             $andor = 'AND';
+             $cat = explode('-',$cat);
+             $cat = intval($cat[1]);
+         } else {
+             $eq = '=';
+             $andor = 'OR';
+         }
+         $join = " LEFT JOIN $tablepost2cat ON ($tableposts.ID = $tablepost2cat.post_id) ";
+         $cat_array = explode(' ',$cat);
+         $whichcat .= ' AND (category_id '.$eq.' '.intval($cat_array[0]);
+         $whichcat .= get_category_children($cat_array[0], ' '.$andor.' category_id '.$eq.' ');
+         for ($i = 1; $i < (count($cat_array)); $i = $i + 1) {
+             $whichcat .= ' '.$andor.' category_id '.$eq.' '.intval($cat_array[$i]);
+             $whichcat .= get_category_children($cat_array[$i], ' '.$andor.' category_id '.$eq.' ');
+         }
+         $whichcat .= ')';
+         if ($eq == '!=') {
+             $cat = '-'.$cat; // Put back the knowledge that we are excluding a category.
+         }
+     }
+ 
+     // Category stuff for nice URIs
+ 
+     if ('' != $category_name) {
+         if (stristr($category_name,'/')) {
+             $category_name = explode('/',$category_name);
+             if ($category_name[count($category_name)-1]) {
+                 $category_name = $category_name[count($category_name)-1]; // no trailing slash
+             } else {
+                 $category_name = $category_name[count($category_name)-2]; // there was a trailling slash
+             }
+         }
+         $category_name = preg_replace('|[^a-z0-9-_]|i', '', $category_name);
+         $tables = ", $tablepost2cat, $tablecategories";
+         $join = " LEFT JOIN $tablepost2cat ON ($tableposts.ID = $tablepost2cat.post_id) LEFT JOIN $tablecategories ON ($tablepost2cat.category_id = $tablecategories.cat_ID) ";
+         $whichcat = " AND (category_nicename = '$category_name'";
+         $cat = $wpdb->get_var("SELECT cat_ID FROM $tablecategories WHERE category_nicename = '$category_name'");
+         $whichcat .= get_category_children($cat, " OR category_id = ");
+         $whichcat .= ")";
+     }
+ 
+     // Author/user stuff
+ 
+     if ((empty($author)) || ($author == 'all') || ($author == '0')) {
+         $whichauthor='';
+     } else {
+         $author = ''.urldecode($author).'';
+         $author = addslashes_gpc($author);
+         if (stristr($author, '-')) {
+             $eq = '!=';
+             $andor = 'AND';
+             $author = explode('-', $author);
+             $author = ''.intval($author[1]);
+         } else {
+             $eq = '=';
+             $andor = 'OR';
+         }
+         $author_array = explode(' ', $author);
+         $whichauthor .= ' AND (post_author '.$eq.' '.intval($author_array[0]);
+         for ($i = 1; $i < (count($author_array)); $i = $i + 1) {
+             $whichauthor .= ' '.$andor.' post_author '.$eq.' '.intval($author_array[$i]);
+         }
+         $whichauthor .= ')';
+     }
+ 
+     // Author stuff for nice URIs
+ 
+     if ('' != $author_name) {
+         if (stristr($author_name,'/')) {
+             $author_name = explode('/',$author_name);
+             if ($author_name[count($author_name)-1]) {
+                 $author_name = $author_name[count($author_name)-1];#no trailing slash
+             } else {
+                 $author_name = $author_name[count($author_name)-2];#there was a trailling slash
+             }
+         }
+         $author_name = preg_replace('|[^a-z0-9-_]|', '', strtolower($author_name));
+         $author = $wpdb->get_var("SELECT ID FROM $tableusers WHERE user_nicename='".$author_name."'");
+         $whichauthor .= ' AND (post_author = '.intval($author).')';
+     }
+ 
+     $where .= $search.$whichcat.$whichauthor;
+ 
+     if ((empty($order)) || ((strtoupper($order) != 'ASC') && (strtoupper($order) != 'DESC'))) {
+         $order='DESC';
+     }
+ 
+     // Order by
+     if (empty($orderby)) {
+         $orderby='date '.$order;
+     } else {
+         // Used to filter values
+         $allowed_keys = array('author','date','category','title');
+         $orderby = urldecode($orderby);
+         $orderby = addslashes_gpc($orderby);
+         $orderby_array = explode(' ',$orderby);
+         if (!in_array($orderby_array[0],$allowed_keys)) {
+             $orderby_array[0] = 'date';
+         }
+         $orderby = $orderby_array[0].' '.$order;
+         if (count($orderby_array)>1) {
+             for ($i = 1; $i < (count($orderby_array)); $i = $i + 1) {
+                 // Only allow certain values for safety
+                 if (in_array($orderby_array[$i],$allowed_keys)) {
+                     $orderby .= ',post_'.$orderby_array[$i].' '.$order;
+                 }
+             }
+         }
+     }
+ 
+     if ((!$whichcat) && (!$m) && (!$p) && (!$w) && (!$s) && empty($poststart) && empty($postend)) {
+         if ($what_to_show == 'posts') {
+             $limits = ' LIMIT '.$posts_per_page;
+         } elseif ($what_to_show == 'days' && empty($monthnum) && empty($year) && empty($day)) {
+             $lastpostdate = get_lastpostdate();
+             $lastpostdate = mysql2date('Y-m-d 00:00:00',$lastpostdate);
+             $lastpostdate = mysql2date('U',$lastpostdate);
+             $otherdate = date('Y-m-d H:i:s', ($lastpostdate - (($posts_per_page-1) * 86400)));
+             $where .= " AND post_date > '$otherdate'";
+         }
+     }
+ 
+     if ( !empty($postend) && ($postend > $poststart) && (!$m) && empty($monthnum) && empty($year) && empty($day) &&(!$w) && (!$whichcat) && (!$s) && (!$p)) {
+         if ($what_to_show == 'posts' || ($what_to_show == 'paged' && (!$paged))) {
+             $poststart = intval($poststart);
+             $postend = intval($postend);
+             $limposts = $postend - $poststart;
+             $limits = ' LIMIT '.$poststart.','.$limposts;
+         } elseif ($what_to_show == 'days') {
+             $poststart = intval($poststart);
+             $postend = intval($postend);
+             $limposts = $postend - $poststart;
+             $lastpostdate = get_lastpostdate();
+             $lastpostdate = mysql2date('Y-m-d 00:00:00',$lastpostdate);
+             $lastpostdate = mysql2date('U',$lastpostdate);
+             $startdate = date('Y-m-d H:i:s', ($lastpostdate - (($poststart -1) * 86400)));
+             $otherdate = date('Y-m-d H:i:s', ($lastpostdate - (($postend -1) * 86400)));
+             $where .= " AND post_date > '$otherdate' AND post_date < '$startdate'";
+         }
+     } else {
+         if (($what_to_show == 'paged') && (!$p) && (!$more)) {
+             if ($pagenow != 'post.php') {
+                 $pgstrt = '';
+                 if ($paged) {
+                     $pgstrt = (intval($paged) -1) * $posts_per_page . ', ';
+                 }
+                 $limits = 'LIMIT '.$pgstrt.$posts_per_page;
+             } else {
+                 if (($m) || ($p) || ($w) || ($s) || ($whichcat)) {
+                     $limits = '';
+                 } else {
+                     $pgstrt = '';
+                     if ($paged) {
+                         $pgstrt = (intval($paged) -1) * $posts_per_page . ', ';
+                     }
+                     $limits = 'LIMIT '.$pgstrt.$posts_per_page;
+                 }
+             }
+         }
+         elseif (($m) || ($p) || ($w) || ($s) || ($whichcat) || ($author) || $monthnum || $year || $day) {
+             $limits = '';
+         }
+     }
+ 
+     if ($p == 'all') {
+         $where = '';
+     }
+ 
+     $now = gmdate('Y-m-d H:i:59');
+ 
+     if ($pagenow != 'post.php' && $pagenow != 'edit.php') {
+         if ((empty($poststart)) || (empty($postend)) || !($postend > $poststart)) {
+             $where .= " AND post_date_gmt <= '$now'";
+         }
+ 
+         $distinct = 'DISTINCT';
+     }
+     $where .= ' AND (post_status = "publish"';
+ 
+     // Get private posts
+     if (isset($user_ID) && ('' != intval($user_ID)))
+         $where .= " OR post_author = $user_ID AND post_status != 'draft')";
+     else
+         $where .= ')';
+     $where .= " GROUP BY $tableposts.ID";
+     $request = " SELECT $distinct * FROM $tableposts $join WHERE 1=1".$where." ORDER BY post_$orderby $limits";
+ 
+ 
+     if ($preview) {
+         $request = 'SELECT 1-1'; // dummy mysql query for the preview
+         // little funky fix for IEwin, rawk on that code
+         $is_winIE = ((preg_match('/MSIE/',$HTTP_USER_AGENT)) && (preg_match('/Win/',$HTTP_USER_AGENT)));
+         if (($is_winIE) && (!isset($IEWin_bookmarklet_fix))) {
+             $preview_content =  preg_replace('/\%u([0-9A-F]{4,4})/e',  "'&#'.base_convert('\\1',16,10).';'", $preview_content);
+         }
+     }
+ 
+     // error_log("$request");
+     // echo $request;
+     return $wpdb->get_results($request);
+ }
+ 
+ function update_post_caches($posts) {
+     global $category_cache, $comment_count_cache, $post_meta_cache;
+     global $tablecategories, $tablepost2cat, $tableposts, $tablecomments,
+         $tablepostmeta, $wpdb;
+ 
+     // No point in doing all this work if we didn't match any posts.
+     if (! $posts) {
+         return;
+     }
+ 
+     // Get the categories for all the posts
+     foreach ($posts as $post) {
+         $post_id_list[] = $post->ID;
+     }
+     $post_id_list = implode(',', $post_id_list);
+ 
+     $dogs = $wpdb->get_results("SELECT DISTINCT
+         ID, category_id, cat_name, category_nicename, category_description, category_parent
+         FROM $tablecategories, $tablepost2cat, $tableposts
+         WHERE category_id = cat_ID AND post_id = ID AND post_id IN ($post_id_list)");
+         
+     foreach ($dogs as $catt) {
+         $category_cache[$catt->ID][] = $catt;
+     }
+ 
+     // Do the same for comment numbers
+     $comment_counts = $wpdb->get_results("SELECT ID, COUNT( comment_ID ) AS ccount
+         FROM $tableposts
+         LEFT JOIN $tablecomments ON ( comment_post_ID = ID  AND comment_approved =  '1')
+         WHERE post_status =  'publish' AND ID IN ($post_id_list)
+         GROUP BY ID");
+     
+     if ($comment_counts) {
+         foreach ($comment_counts as $comment_count) {
+             $comment_count_cache["$comment_count->ID"] = $comment_count->ccount;
+         }
+     }
+ 
+     // Get post-meta info
+     if ( $meta_list = $wpdb->get_results("
+ 			SELECT post_id,meta_key,meta_value 
+ 			FROM $tablepostmeta 
+ 			WHERE post_id IN($post_id_list)
+ 			ORDER BY post_id,meta_key
+ 		", ARRAY_A) ) {
+ 		
+         // Change from flat structure to hierarchical:
+         $post_meta_cache = array();
+         foreach ($meta_list as $metarow) {
+             $mpid = $metarow['post_id'];
+             $mkey = $metarow['meta_key'];
+             $mval = $metarow['meta_value'];
+ 			
+             // Force subkeys to be array type:
+             if (!isset($post_meta_cache[$mpid]) || !is_array($post_meta_cache[$mpid]))
+                 $post_meta_cache[$mpid] = array();
+             if (!isset($post_meta_cache[$mpid]["$mkey"]) || !is_array($post_meta_cache[$mpid]["$mkey"]))
+                 $post_meta_cache[$mpid]["$mkey"] = array();
+ 			
+             // Add a value to the current pid/key:
+             $post_meta_cache[$mpid][$mkey][] = $mval;
+         }
+     }
+ }
+ 
+ function update_category_cache() {
+     global $cache_categories, $tablecategories, $wpdb;
+     $dogs = $wpdb->get_results("SELECT * FROM $tablecategories WHERE 1=1");
+     foreach ($dogs as $catt) {
+         $cache_categories[$catt->cat_ID] = $catt;
+     }
+ }
+ 
+ function update_user_cache() {
+     global $cache_userdata, $tableusers, $wpdb;
+ 
+     $users = $wpdb->get_results("SELECT * FROM $tableusers WHERE user_level > 0");
+     foreach ($users as $user) {
+         $cache_userdata[$user->ID] = $user;
+     }
+ }
+ 
  function wp_head() {
  	do_action('wp_head', '');




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