529 lines
19 KiB
PHP
529 lines
19 KiB
PHP
<?php
|
|
|
|
class WP_Query {
|
|
var $query;
|
|
var $query_vars;
|
|
|
|
var $posts;
|
|
var $post_count = 0;
|
|
var $current_post = -1;
|
|
var $post;
|
|
|
|
var $is_single = false;
|
|
var $is_archive = false;
|
|
var $is_date = false;
|
|
var $is_author = false;
|
|
var $is_category = false;
|
|
var $is_search = false;
|
|
var $is_feed = false;
|
|
var $is_home = false;
|
|
|
|
function init () {
|
|
$this->is_single = false;
|
|
$this->is_archive = false;
|
|
$this->is_date = false;
|
|
$this->is_author = false;
|
|
$this->is_category = false;
|
|
$this->is_search = false;
|
|
$this->is_feed = false;
|
|
$this->is_home = false;
|
|
|
|
unset($this->posts);
|
|
unset($this->query);
|
|
unset($this->query_vars);
|
|
$this->post_count = 0;
|
|
$this->current_post = -1;
|
|
}
|
|
|
|
function parse_query ($query) {
|
|
$this->init();
|
|
parse_str($query, $qv);
|
|
$this->query = $query;
|
|
$this->query_vars = $qv;
|
|
|
|
if ('' != $qv['name']) {
|
|
$this->is_single = true;
|
|
}
|
|
|
|
if (($qv['p'] != '') && ($qv['p'] != 'all')) {
|
|
$this->is_single = true;
|
|
}
|
|
|
|
if ('' != $qv['m']) {
|
|
$this->is_date = true;
|
|
}
|
|
|
|
if ('' != $qv['hour']) {
|
|
$this->is_date = true;
|
|
}
|
|
|
|
if ('' != $qv['minute']) {
|
|
$this->is_date = true;
|
|
}
|
|
|
|
if ('' != $qv['second']) {
|
|
$this->is_date = true;
|
|
}
|
|
|
|
if ('' != $qv['year']) {
|
|
$this->is_date = true;
|
|
}
|
|
|
|
if ('' != $qv['monthnum']) {
|
|
$this->is_date = true;
|
|
}
|
|
|
|
if ('' != $qv['day']) {
|
|
$this->is_date = true;
|
|
}
|
|
|
|
if ('' != $qv['w']) {
|
|
$this->is_date = true;
|
|
}
|
|
|
|
// If year, month, day, hour, minute, and second are set, a single
|
|
// post is being queried.
|
|
if (('' != $qv['hour']) && ('' != $qv['minute']) &&('' != $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day'])) {
|
|
$this->is_single = true;
|
|
}
|
|
|
|
if (!empty($qv['s'])) {
|
|
$this->is_search = true;
|
|
}
|
|
|
|
if (empty($qv['cat']) || ($qv['cat'] == 'all') || ($qv['cat'] == '0')) {
|
|
$this->is_category = false;
|
|
} else {
|
|
if (stristr($qv['cat'],'-')) {
|
|
$this->is_category = false;
|
|
} else {
|
|
$this->is_category = true;
|
|
}
|
|
}
|
|
|
|
if ('' != $qv['category_name']) {
|
|
$this->is_category = true;
|
|
}
|
|
|
|
// single, date, and search override category.
|
|
if ($this->is_single || $this->is_date || $this->is_search) {
|
|
$this->is_category = false;
|
|
}
|
|
|
|
if ((empty($qv['author'])) || ($qv['author'] == 'all') || ($qv['author'] == '0')) {
|
|
$this->is_author = false;
|
|
} else {
|
|
$this->is_author = true;
|
|
}
|
|
|
|
if ('' != $qv['author_name']) {
|
|
$this->is_author = true;
|
|
}
|
|
|
|
if ('' != $qv['feed']) {
|
|
$this->is_feed = true;
|
|
$this->feed = $qv['feed'];
|
|
}
|
|
|
|
if ( ($this->is_date || $this->is_author || $this->is_category)
|
|
&& (! $this->is_single)) {
|
|
$this->is_archive = true;
|
|
}
|
|
|
|
if ( ! ($this->is_archive || $this->is_single || $this->is_search || $this->is_feed)) {
|
|
$this->is_home = true;
|
|
}
|
|
}
|
|
|
|
function get($query_var) {
|
|
if (isset($this->query_vars[$query_var])) {
|
|
return $this->query_vars[$query_var];
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
function get_posts() {
|
|
global $wpdb, $pagenow, $request, $user_ID;
|
|
|
|
// Shorthand.
|
|
$q = $this->query_vars;
|
|
|
|
// First let's clear some variables
|
|
$whichcat = '';
|
|
$whichauthor = '';
|
|
$result = '';
|
|
$where = '';
|
|
$limits = '';
|
|
$distinct = '';
|
|
$join = '';
|
|
|
|
if ( !isset($q['posts_per_page']) || $q['posts_per_page'] == 0 )
|
|
$q['posts_per_page'] = get_settings('posts_per_page');
|
|
if ( !isset($q['what_to_show']) )
|
|
$q['what_to_show'] = get_settings('what_to_show');
|
|
if ( isset($q['showposts']) && $q['showposts'] ) {
|
|
$q['showposts'] = (int) $q['showposts'];
|
|
$q['posts_per_page'] = $q['showposts'];
|
|
}
|
|
|
|
$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 ('' != $q['m']) {
|
|
$q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']);
|
|
$where .= ' AND YEAR(post_date)=' . substr($q['m'], 0, 4);
|
|
if (strlen($q['m'])>5)
|
|
$where .= ' AND MONTH(post_date)=' . substr($q['m'], 4, 2);
|
|
if (strlen($q['m'])>7)
|
|
$where .= ' AND DAYOFMONTH(post_date)=' . substr($q['m'], 6, 2);
|
|
if (strlen($q['m'])>9)
|
|
$where .= ' AND HOUR(post_date)=' . substr($q['m'], 8, 2);
|
|
if (strlen($q['m'])>11)
|
|
$where .= ' AND MINUTE(post_date)=' . substr($q['m'], 10, 2);
|
|
if (strlen($q['m'])>13)
|
|
$where .= ' AND SECOND(post_date)=' . substr($q['m'], 12, 2);
|
|
}
|
|
|
|
if ('' != $q['hour']) {
|
|
$q['hour'] = '' . intval($q['hour']);
|
|
$where .= " AND HOUR(post_date)='" . $q['hour'] . "'";
|
|
}
|
|
|
|
if ('' != $q['minute']) {
|
|
$q['minute'] = '' . intval($q['minute']);
|
|
$where .= " AND MINUTE(post_date)='" . $q['minute'] . "'";
|
|
}
|
|
|
|
if ('' != $q['second']) {
|
|
$q['second'] = '' . intval($q['second']);
|
|
$where .= " AND SECOND(post_date)='" . $q['second'] . "'";
|
|
}
|
|
|
|
if ('' != $q['year']) {
|
|
$q['year'] = '' . intval($q['year']);
|
|
$where .= " AND YEAR(post_date)='" . $q['year'] . "'";
|
|
}
|
|
|
|
if ('' != $q['monthnum']) {
|
|
$q['monthnum'] = '' . intval($q['monthnum']);
|
|
$where .= " AND MONTH(post_date)='" . $q['monthnum'] . "'";
|
|
}
|
|
|
|
if ('' != $q['day']) {
|
|
$q['day'] = '' . intval($q['day']);
|
|
$where .= " AND DAYOFMONTH(post_date)='" . $q['day'] . "'";
|
|
}
|
|
|
|
if ('' != $q['name']) {
|
|
$q['name'] = preg_replace('/[^a-z0-9-_]/', '', $q['name']);
|
|
$where .= " AND post_name = '" . $q['name'] . "'";
|
|
}
|
|
|
|
if ('' != $q['w']) {
|
|
$q['w'] = ''.intval($q['w']);
|
|
$where .= " AND WEEK(post_date, 1)='" . $q['w'] . "'";
|
|
}
|
|
|
|
// If a post number is specified, load that post
|
|
if (($q['p'] != '') && ($q['p'] != 'all')) {
|
|
$q['p'] = intval($q['p']);
|
|
$where = ' AND ID = '.$q['p'];
|
|
}
|
|
|
|
// If a search pattern is specified, load the posts that match
|
|
if (!empty($q['s'])) {
|
|
$q['s'] = addslashes_gpc($q['s']);
|
|
$search = ' AND (';
|
|
$q['s'] = preg_replace('/, +/', ' ', $q['s']);
|
|
$q['s'] = str_replace(',', ' ', $q['s']);
|
|
$q['s'] = str_replace('"', ' ', $q['s']);
|
|
$q['s'] = trim($q['s']);
|
|
if ($q['exact']) {
|
|
$n = '';
|
|
} else {
|
|
$n = '%';
|
|
}
|
|
if (!$q['sentence']) {
|
|
$s_array = explode(' ',$q['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.$q['s'].$n.'\') OR (post_content LIKE \''.$n.$q['s'].$n.'\')';
|
|
$search .= ')';
|
|
} else {
|
|
$search = ' AND ((post_title LIKE \''.$n.$q['s'].$n.'\') OR (post_content LIKE \''.$n.$q['s'].$n.'\'))';
|
|
}
|
|
}
|
|
|
|
// Category stuff
|
|
|
|
if ((empty($q['cat'])) || ($q['cat'] == 'all') || ($q['cat'] == '0') ||
|
|
// Bypass cat checks if fetching specific posts
|
|
(
|
|
intval($q['year']) || intval($q['monthnum']) || intval($q['day']) || intval($q['w']) ||
|
|
intval($q['p']) || !empty($q['name']) || !empty($q['s'])
|
|
)
|
|
) {
|
|
$whichcat='';
|
|
} else {
|
|
$q['cat'] = ''.urldecode($q['cat']).'';
|
|
$q['cat'] = addslashes_gpc($q['cat']);
|
|
if (stristr($q['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';
|
|
$q['cat'] = explode('-',$q['cat']);
|
|
$q['cat'] = intval($q['cat'][1]);
|
|
} else {
|
|
$eq = '=';
|
|
$andor = 'OR';
|
|
}
|
|
$join = " LEFT JOIN $wpdb->post2cat ON ($wpdb->posts.ID = $wpdb->post2cat.post_id) ";
|
|
$cat_array = explode(' ',$q['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 == '!=') {
|
|
$q['cat'] = '-'.$q['cat']; // Put back the knowledge that we are excluding a category.
|
|
}
|
|
}
|
|
|
|
// Category stuff for nice URIs
|
|
|
|
if ('' != $q['category_name']) {
|
|
if (stristr($q['category_name'],'/')) {
|
|
$q['category_name'] = explode('/',$q['category_name']);
|
|
if ($q['category_name'][count($q['category_name'])-1]) {
|
|
$q['category_name'] = $q['category_name'][count($q['category_name'])-1]; // no trailing slash
|
|
} else {
|
|
$q['category_name'] = $q['category_name'][count($q['category_name'])-2]; // there was a trailling slash
|
|
}
|
|
}
|
|
$q['category_name'] = preg_replace('|[^a-z0-9-_]|i', '', $q['category_name']);
|
|
$tables = ", $wpdb->post2cat, $wpdb->categories";
|
|
$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) ";
|
|
$whichcat = " AND (category_nicename = '" . $q['category_name'] . "'";
|
|
$q['cat'] = $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE category_nicename = '" . $q['category_name'] . "'");
|
|
$whichcat .= get_category_children($q['cat'], " OR category_id = ");
|
|
$whichcat .= ")";
|
|
}
|
|
|
|
// Author/user stuff
|
|
|
|
if ((empty($q['author'])) || ($q['author'] == 'all') || ($q['author'] == '0')) {
|
|
$whichauthor='';
|
|
} else {
|
|
$q['author'] = ''.urldecode($q['author']).'';
|
|
$q['author'] = addslashes_gpc($q['author']);
|
|
if (stristr($q['author'], '-')) {
|
|
$eq = '!=';
|
|
$andor = 'AND';
|
|
$q['author'] = explode('-', $q['author']);
|
|
$q['author'] = ''.intval($q['author'][1]);
|
|
} else {
|
|
$eq = '=';
|
|
$andor = 'OR';
|
|
}
|
|
$author_array = explode(' ', $q['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 ('' != $q['author_name']) {
|
|
if (stristr($q['author_name'],'/')) {
|
|
$q['author_name'] = explode('/',$q['author_name']);
|
|
if ($q['author_name'][count($q['author_name'])-1]) {
|
|
$q['author_name'] = $q['author_name'][count($q['author_name'])-1];#no trailing slash
|
|
} else {
|
|
$q['author_name'] = $q['author_name'][count($q['author_name'])-2];#there was a trailling slash
|
|
}
|
|
}
|
|
$q['author_name'] = preg_replace('|[^a-z0-9-_]|', '', strtolower($q['author_name']));
|
|
$q['author'] = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_nicename='".$q['author_name']."'");
|
|
$whichauthor .= ' AND (post_author = '.intval($q['author']).')';
|
|
}
|
|
|
|
$where .= $search.$whichcat.$whichauthor;
|
|
|
|
if ((empty($q['order'])) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC'))) {
|
|
$q['order']='DESC';
|
|
}
|
|
|
|
// Order by
|
|
if (empty($q['orderby'])) {
|
|
$q['orderby']='date '.$q['order'];
|
|
} else {
|
|
// Used to filter values
|
|
$allowed_keys = array('author','date','category','title');
|
|
$q['orderby'] = urldecode($q['orderby']);
|
|
$q['orderby'] = addslashes_gpc($q['orderby']);
|
|
$orderby_array = explode(' ',$q['orderby']);
|
|
if (!in_array($orderby_array[0],$allowed_keys)) {
|
|
$orderby_array[0] = 'date';
|
|
}
|
|
$q['orderby'] = $orderby_array[0].' '.$q['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)) {
|
|
$q['orderby'] .= ',post_'.$orderby_array[$i].' '.$q['order'];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((!$whichcat) && (!$q['m']) && (!$q['p']) && (!$q['w']) && (!$q['s']) && empty($q['poststart']) && empty($q['postend'])) {
|
|
if ($q['what_to_show'] == 'posts') {
|
|
$limits = ' LIMIT '.$q['posts_per_page'];
|
|
} elseif ($q['what_to_show'] == 'days' && empty($q['monthnum']) && empty($q['year']) && empty($q['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 - (($q['posts_per_page']-1) * 86400)));
|
|
$where .= " AND post_date > '$otherdate'";
|
|
}
|
|
}
|
|
|
|
if ( !empty($q['postend']) && ($q['postend'] > $q['poststart']) && (!$q['m']) && empty($q['monthnum']) && empty($q['year']) && empty($q['day']) &&(!$q['w']) && (!$whichcat) && (!$q['s']) && (!$q['p'])) {
|
|
if ($q['what_to_show'] == 'posts') {
|
|
$q['poststart'] = intval($q['poststart']);
|
|
$q['postend'] = intval($q['postend']);
|
|
$limposts = $q['postend'] - $q['poststart'];
|
|
$limits = ' LIMIT '.$q['poststart'].','.$limposts;
|
|
} elseif ($q['what_to_show'] == 'days') {
|
|
$q['poststart'] = intval($q['poststart']);
|
|
$q['postend'] = intval($q['postend']);
|
|
$limposts = $q['postend'] - $q['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 - (($q['poststart'] -1) * 86400)));
|
|
$otherdate = date('Y-m-d H:i:s', ($lastpostdate - (($q['postend'] -1) * 86400)));
|
|
$where .= " AND post_date > '$otherdate' AND post_date < '$startdate'";
|
|
}
|
|
} else {
|
|
if (($q['what_to_show'] == 'posts') && (! is_single()) && (!$q['more'])) {
|
|
if ($pagenow != 'post.php') {
|
|
$pgstrt = '';
|
|
if ($q['paged']) {
|
|
$pgstrt = (intval($q['paged']) -1) * $q['posts_per_page'] . ', ';
|
|
}
|
|
$limits = 'LIMIT '.$pgstrt.$q['posts_per_page'];
|
|
} else {
|
|
if (($q['m']) || ($q['p']) || ($q['w']) || ($q['s']) || ($whichcat)) {
|
|
$limits = '';
|
|
} else {
|
|
$pgstrt = '';
|
|
if ($q['paged']) {
|
|
$pgstrt = (intval($q['paged']) -1) * $q['posts_per_page'] . ', ';
|
|
}
|
|
$limits = 'LIMIT '.$pgstrt.$q['posts_per_page'];
|
|
}
|
|
}
|
|
}
|
|
elseif (($q['m']) || ($q['p']) || ($q['w']) || ($q['s']) || ($whichcat) || ($q['author']) || $q['monthnum'] || $q['year'] || $q['day']) {
|
|
$limits = '';
|
|
}
|
|
}
|
|
|
|
if ($q['p'] == 'all') {
|
|
$where = '';
|
|
}
|
|
|
|
$now = gmdate('Y-m-d H:i:59');
|
|
|
|
if ($pagenow != 'post.php' && $pagenow != 'edit.php') {
|
|
if ((empty($q['poststart'])) || (empty($q['postend'])) || !($q['postend'] > $q['poststart'])) {
|
|
$where .= " AND post_date_gmt <= '$now'";
|
|
}
|
|
|
|
$distinct = 'DISTINCT';
|
|
}
|
|
|
|
if ('' != $q['static']) {
|
|
$where .= ' AND (post_status = "static"';
|
|
} else {
|
|
$where .= ' AND (post_status = "publish"';
|
|
}
|
|
|
|
// Get private posts
|
|
if (isset($user_ID) && ('' != intval($user_ID)))
|
|
$where .= " OR post_author = $user_ID AND post_status != 'draft' AND post_status != 'static')";
|
|
else
|
|
$where .= ')';
|
|
|
|
$where = apply_filters('posts_where', $where);
|
|
$where .= " GROUP BY $wpdb->posts.ID";
|
|
$request = " SELECT $distinct * FROM $wpdb->posts $join WHERE 1=1".$where." ORDER BY post_" . $q['orderby'] . " $limits";
|
|
|
|
|
|
if ($q['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);
|
|
}
|
|
}
|
|
|
|
$this->posts = $wpdb->get_results($request);
|
|
$this->posts = apply_filters('the_posts', $this->posts);
|
|
$this->post_count = count($this->posts);
|
|
if ($this->post_count > 0) {
|
|
$this->post = $posts[0];
|
|
}
|
|
|
|
update_post_caches($this->posts);
|
|
return $this->posts;
|
|
}
|
|
|
|
function next_post() {
|
|
|
|
$this->current_post++;
|
|
|
|
$this->post = $this->posts[$this->current_post];
|
|
return $this->post;
|
|
}
|
|
|
|
function have_posts() {
|
|
if ($this->current_post + 1 < $this->post_count) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function query($query) {
|
|
$this->parse_query($query);
|
|
return $this->get_posts();
|
|
}
|
|
|
|
function WP_Query ($query = '') {
|
|
if (! empty($query)) {
|
|
$this->query($query);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Make a global instance.
|
|
if (! isset($wp_query)) {
|
|
$wp_query = new WP_Query();
|
|
}
|
|
|
|
?>
|