WordPress-C
/
WordPress
mirror of https://github.com/WordPress/WordPress.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
WordPress/wp-blog-header.php

385 lines
14 KiB
PHP
Raw Blame History

<?php
$use_cache = 1; // No reason not to
/* Including config and functions files */
$curpath = dirname(__FILE__).'/';
if (!file_exists($curpath . '/wp-config.php'))
die("There doesn't seem to be a <code>wp-config.php</code> file. I need this before we can get started. Need more help? <a href='http://wordpress.org/docs/faq/#wp-config'>We got it</a>. You can <a href='wp-admin/install-config.php'>create a <code>wp-config.php</code> file through a web interface</a>, but this doesn't work for all server setups. The safest way is to manually create the file.");
require($curpath.'/wp-config.php');
$wpvarstoreset = array('m','p','posts','w', 'cat','withcomments','s','search','exact', 'sentence','poststart','postend','preview','debug', 'calendar','page','paged','more','tb', 'pb','author','order','orderby', 'year', 'monthnum', 'day', 'name', 'category_name');
for ($i=0; $i<count($wpvarstoreset); $i += 1) {
$wpvar = $wpvarstoreset[$i];
if (!isset($$wpvar)) {
if (empty($HTTP_POST_VARS[$wpvar])) {
if (empty($HTTP_GET_VARS[$wpvar])) {
$$wpvar = '';
} else {
$$wpvar = $HTTP_GET_VARS[$wpvar];
}
} else {
$$wpvar = $HTTP_POST_VARS[$wpvar];
}
}
}
/* Sending HTTP headers */
// It is presumptious to think that WP is the only thing that might change on the page.
@header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
@header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
@header("Cache-Control: no-store, no-cache, must-revalidate"); // HTTP/1.1
@header("Cache-Control: post-check=0, pre-check=0", false);
@header("Pragma: no-cache"); // HTTP/1.0
@header ("X-Pingback: $siteurl/xmlrpc.php");
/* Getting settings from db */
if (isset($doing_rss) && $doing_rss == 1)
$posts_per_page=get_settings('posts_per_rss');
if (!isset($posts_per_page) || $posts_per_page == 0)
$posts_per_page = get_settings('posts_per_page');
$what_to_show = get_settings('what_to_show');
$archive_mode = get_settings('archive_mode');
$dateformat = stripslashes(get_settings('date_format'));
$timeformat = stripslashes(get_settings('time_format'));
$time_difference = get_settings('time_difference');
$use_gzipcompression = get_settings('gzipcompression');
/* First let's clear some variables */
$whichcat = '';
$whichauthor = '';
$result = '';
$where = '';
$limits = '';
$distinct = '';
$join = '';
if ($pagenow != 'post.php') { timer_start(); }
if (isset($showposts) && $showposts) {
$showposts = (int)$showposts;
$posts_per_page = $showposts;
}
// if a month is specified in the querystring, load that month
if ($m != '') {
$m = ''.intval($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 ($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 (';
// puts spaces instead of commas
$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
$dogs = $wpdb->get_results("SELECT * FROM $tablecategories WHERE 1=1");
foreach ($dogs as $catt) {
$cache_categories[$catt->cat_ID] = $catt;
}
if ((empty($cat)) || ($cat == 'all') || ($cat == '0')) {
$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-]|', '', $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 = ");
$whichcat .= ")";
}
// author stuff
if ((empty($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 .= ')';
}
$where .= $search.$whichcat.$whichauthor;
if ((empty($order)) || ((strtoupper($order) != 'ASC') && (strtoupper($order) != 'DESC'))) {
$order='DESC';
}
// order by stuff
if (empty($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 = '';
}
$now = date('Y-m-d H:i:s',(time() + ($time_difference * 3600)));
if ($pagenow != 'post.php' && $pagenow != 'edit.php') {
if ((empty($poststart)) || (empty($postend)) || !($postend > $poststart)) {
$where .= ' AND post_date <= \''.$now.'\'';
}
$distinct = 'DISTINCT';
if ($use_gzipcompression) {
// gzipping the output of the script
gzip_compression();
}
}
$where .= ' AND (post_status = "publish"';
// Get private posts
if (isset($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;
$posts = $wpdb->get_results($request);
// No point in doing all this work if we didn't match any posts.
if ($posts) {
// Get the categories for all the posts
foreach ($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");
foreach ($comment_counts as $comment_count) {
$comment_count_cache["$comment_count->ID"] = $comment_count->ccount;
}
if (1 == count($posts)) {
if ($p || $name) {
$more = 1;
$single = 1;
}
if ($s && empty($paged)) { // If they were doing a search and got one result
header('Location: ' . get_permalink($posts[0]->ID));
}
}
} // end if posts.
?>
Reference in New Issue View Git Blame Copy Permalink