mirror of
https://github.com/WordPress/WordPress.git
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ea16450f63
git-svn-id: http://svn.automattic.com/wordpress/trunk@1527 1a063a9b-81f0-0310-95a4-ce76da25c4cd
529 lines
19 KiB
PHP
529 lines
19 KiB
PHP
<?php
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class WP_Query {
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var $query;
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var $query_vars;
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var $posts;
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var $post_count = 0;
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var $current_post = -1;
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var $post;
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var $is_single = false;
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var $is_archive = false;
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var $is_date = false;
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var $is_author = false;
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var $is_category = false;
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var $is_search = false;
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var $is_feed = false;
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var $is_home = false;
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function init () {
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$this->is_single = false;
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$this->is_archive = false;
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$this->is_date = false;
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$this->is_author = false;
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$this->is_category = false;
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$this->is_search = false;
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$this->is_feed = false;
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$this->is_home = false;
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unset($this->posts);
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unset($this->query);
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unset($this->query_vars);
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$this->post_count = 0;
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$this->current_post = -1;
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}
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function parse_query ($query) {
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$this->init();
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parse_str($query, $qv);
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$this->query = $query;
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$this->query_vars = $qv;
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if ('' != $qv['name']) {
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$this->is_single = true;
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}
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if (($qv['p'] != '') && ($qv['p'] != 'all')) {
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$this->is_single = true;
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}
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if ('' != $qv['m']) {
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$this->is_date = true;
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}
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if ('' != $qv['hour']) {
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$this->is_date = true;
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}
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if ('' != $qv['minute']) {
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$this->is_date = true;
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}
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if ('' != $qv['second']) {
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$this->is_date = true;
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}
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if ('' != $qv['year']) {
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$this->is_date = true;
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}
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if ('' != $qv['monthnum']) {
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$this->is_date = true;
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}
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if ('' != $qv['day']) {
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$this->is_date = true;
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}
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if ('' != $qv['w']) {
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$this->is_date = true;
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}
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// If year, month, day, hour, minute, and second are set, a single
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// post is being queried.
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if (('' != $qv['hour']) && ('' != $qv['minute']) &&('' != $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day'])) {
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$this->is_single = true;
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}
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if (!empty($qv['s'])) {
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$this->is_search = true;
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}
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if (empty($qv['cat']) || ($qv['cat'] == 'all') || ($qv['cat'] == '0')) {
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$this->is_category = false;
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} else {
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if (stristr($qv['cat'],'-')) {
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$this->is_category = false;
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} else {
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$this->is_category = true;
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}
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}
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if ('' != $qv['category_name']) {
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$this->is_category = true;
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}
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// single, date, and search override category.
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if ($this->is_single || $this->is_date || $this->is_search) {
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$this->is_category = false;
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}
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if ((empty($qv['author'])) || ($qv['author'] == 'all') || ($qv['author'] == '0')) {
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$this->is_author = false;
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} else {
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$this->is_author = true;
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}
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if ('' != $qv['author_name']) {
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$this->is_author = true;
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}
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if ('' != $qv['feed']) {
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$this->is_feed = true;
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$this->feed = $qv['feed'];
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}
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if ( ($this->is_date || $this->is_author || $this->is_category)
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&& (! $this->is_single)) {
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$this->is_archive = true;
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}
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if ( ! ($this->is_archive || $this->is_single || $this->is_search || $this->is_feed)) {
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$this->is_home = true;
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}
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}
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function get($query_var) {
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if (isset($this->query_vars[$query_var])) {
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return $this->query_vars[$query_var];
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}
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return '';
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}
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function get_posts() {
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global $wpdb, $pagenow, $request, $user_ID;
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// Shorthand.
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$q = $this->query_vars;
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// First let's clear some variables
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$whichcat = '';
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$whichauthor = '';
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$result = '';
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$where = '';
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$limits = '';
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$distinct = '';
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$join = '';
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if ( !isset($q['posts_per_page']) || $q['posts_per_page'] == 0 )
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$q['posts_per_page'] = get_settings('posts_per_page');
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if ( !isset($q['what_to_show']) )
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$q['what_to_show'] = get_settings('what_to_show');
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if ( isset($q['showposts']) && $q['showposts'] ) {
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$q['showposts'] = (int) $q['showposts'];
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$q['posts_per_page'] = $q['showposts'];
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}
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$add_hours = intval(get_settings('gmt_offset'));
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$add_minutes = intval(60 * (get_settings('gmt_offset') - $add_hours));
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$wp_posts_post_date_field = "post_date"; // "DATE_ADD(post_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)";
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// If a month is specified in the querystring, load that month
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if ('' != $q['m']) {
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$q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']);
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$where .= ' AND YEAR(post_date)=' . substr($q['m'], 0, 4);
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if (strlen($q['m'])>5)
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$where .= ' AND MONTH(post_date)=' . substr($q['m'], 4, 2);
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if (strlen($q['m'])>7)
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$where .= ' AND DAYOFMONTH(post_date)=' . substr($q['m'], 6, 2);
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if (strlen($q['m'])>9)
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$where .= ' AND HOUR(post_date)=' . substr($q['m'], 8, 2);
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if (strlen($q['m'])>11)
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$where .= ' AND MINUTE(post_date)=' . substr($q['m'], 10, 2);
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if (strlen($q['m'])>13)
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$where .= ' AND SECOND(post_date)=' . substr($q['m'], 12, 2);
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}
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if ('' != $q['hour']) {
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$q['hour'] = '' . intval($q['hour']);
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$where .= " AND HOUR(post_date)='" . $q['hour'] . "'";
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}
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if ('' != $q['minute']) {
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$q['minute'] = '' . intval($q['minute']);
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$where .= " AND MINUTE(post_date)='" . $q['minute'] . "'";
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}
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if ('' != $q['second']) {
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$q['second'] = '' . intval($q['second']);
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$where .= " AND SECOND(post_date)='" . $q['second'] . "'";
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}
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if ('' != $q['year']) {
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$q['year'] = '' . intval($q['year']);
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$where .= " AND YEAR(post_date)='" . $q['year'] . "'";
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}
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if ('' != $q['monthnum']) {
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$q['monthnum'] = '' . intval($q['monthnum']);
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$where .= " AND MONTH(post_date)='" . $q['monthnum'] . "'";
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}
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if ('' != $q['day']) {
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$q['day'] = '' . intval($q['day']);
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$where .= " AND DAYOFMONTH(post_date)='" . $q['day'] . "'";
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}
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if ('' != $q['name']) {
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$q['name'] = preg_replace('/[^a-z0-9-_]/', '', $q['name']);
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$where .= " AND post_name = '" . $q['name'] . "'";
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}
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if ('' != $q['w']) {
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$q['w'] = ''.intval($q['w']);
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$where .= " AND WEEK(post_date, 1)='" . $q['w'] . "'";
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}
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// If a post number is specified, load that post
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if (($q['p'] != '') && ($q['p'] != 'all')) {
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$q['p'] = intval($q['p']);
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$where = ' AND ID = '.$q['p'];
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}
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// If a search pattern is specified, load the posts that match
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if (!empty($q['s'])) {
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$q['s'] = addslashes_gpc($q['s']);
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$search = ' AND (';
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$q['s'] = preg_replace('/, +/', ' ', $q['s']);
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$q['s'] = str_replace(',', ' ', $q['s']);
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$q['s'] = str_replace('"', ' ', $q['s']);
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$q['s'] = trim($q['s']);
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if ($q['exact']) {
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$n = '';
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} else {
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$n = '%';
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}
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if (!$q['sentence']) {
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$s_array = explode(' ',$q['s']);
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$search .= '((post_title LIKE \''.$n.$s_array[0].$n.'\') OR (post_content LIKE \''.$n.$s_array[0].$n.'\'))';
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for ( $i = 1; $i < count($s_array); $i = $i + 1) {
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$search .= ' AND ((post_title LIKE \''.$n.$s_array[$i].$n.'\') OR (post_content LIKE \''.$n.$s_array[$i].$n.'\'))';
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}
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$search .= ' OR (post_title LIKE \''.$n.$q['s'].$n.'\') OR (post_content LIKE \''.$n.$q['s'].$n.'\')';
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$search .= ')';
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} else {
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$search = ' AND ((post_title LIKE \''.$n.$q['s'].$n.'\') OR (post_content LIKE \''.$n.$q['s'].$n.'\'))';
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}
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}
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// Category stuff
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if ((empty($q['cat'])) || ($q['cat'] == 'all') || ($q['cat'] == '0') ||
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// Bypass cat checks if fetching specific posts
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(
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intval($q['year']) || intval($q['monthnum']) || intval($q['day']) || intval($q['w']) ||
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intval($q['p']) || !empty($q['name']) || !empty($q['s'])
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)
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) {
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$whichcat='';
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} else {
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$q['cat'] = ''.urldecode($q['cat']).'';
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$q['cat'] = addslashes_gpc($q['cat']);
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if (stristr($q['cat'],'-')) {
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// Note: if we have a negative, we ignore all the positives. It must
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// always mean 'everything /except/ this one'. We should be able to do
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// multiple negatives but we don't :-(
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$eq = '!=';
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$andor = 'AND';
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$q['cat'] = explode('-',$q['cat']);
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$q['cat'] = intval($q['cat'][1]);
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} else {
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$eq = '=';
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$andor = 'OR';
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}
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$join = " LEFT JOIN $wpdb->post2cat ON ($wpdb->posts.ID = $wpdb->post2cat.post_id) ";
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$cat_array = explode(' ',$q['cat']);
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$whichcat .= ' AND (category_id '.$eq.' '.intval($cat_array[0]);
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$whichcat .= get_category_children($cat_array[0], ' '.$andor.' category_id '.$eq.' ');
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for ($i = 1; $i < (count($cat_array)); $i = $i + 1) {
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$whichcat .= ' '.$andor.' category_id '.$eq.' '.intval($cat_array[$i]);
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$whichcat .= get_category_children($cat_array[$i], ' '.$andor.' category_id '.$eq.' ');
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}
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$whichcat .= ')';
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if ($eq == '!=') {
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$q['cat'] = '-'.$q['cat']; // Put back the knowledge that we are excluding a category.
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}
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}
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// Category stuff for nice URIs
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if ('' != $q['category_name']) {
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if (stristr($q['category_name'],'/')) {
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$q['category_name'] = explode('/',$q['category_name']);
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if ($q['category_name'][count($q['category_name'])-1]) {
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$q['category_name'] = $q['category_name'][count($q['category_name'])-1]; // no trailing slash
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} else {
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$q['category_name'] = $q['category_name'][count($q['category_name'])-2]; // there was a trailling slash
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}
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}
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$q['category_name'] = preg_replace('|[^a-z0-9-_]|i', '', $q['category_name']);
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$tables = ", $wpdb->post2cat, $wpdb->categories";
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$join = " LEFT JOIN $wpdb->post2cat ON ($wpdb->posts.ID = $wpdb->post2cat.post_id) LEFT JOIN $wpdb->categories ON ($wpdb->post2cat.category_id = $wpdb->categories.cat_ID) ";
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$whichcat = " AND (category_nicename = '" . $q['category_name'] . "'";
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$q['cat'] = $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE category_nicename = '" . $q['category_name'] . "'");
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$whichcat .= get_category_children($q['cat'], " OR category_id = ");
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$whichcat .= ")";
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}
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// Author/user stuff
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if ((empty($q['author'])) || ($q['author'] == 'all') || ($q['author'] == '0')) {
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$whichauthor='';
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} else {
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$q['author'] = ''.urldecode($q['author']).'';
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$q['author'] = addslashes_gpc($q['author']);
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if (stristr($q['author'], '-')) {
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$eq = '!=';
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$andor = 'AND';
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$q['author'] = explode('-', $q['author']);
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$q['author'] = ''.intval($q['author'][1]);
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} else {
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$eq = '=';
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$andor = 'OR';
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}
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$author_array = explode(' ', $q['author']);
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$whichauthor .= ' AND (post_author '.$eq.' '.intval($author_array[0]);
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for ($i = 1; $i < (count($author_array)); $i = $i + 1) {
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$whichauthor .= ' '.$andor.' post_author '.$eq.' '.intval($author_array[$i]);
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}
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$whichauthor .= ')';
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}
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// Author stuff for nice URIs
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if ('' != $q['author_name']) {
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if (stristr($q['author_name'],'/')) {
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$q['author_name'] = explode('/',$q['author_name']);
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if ($q['author_name'][count($q['author_name'])-1]) {
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$q['author_name'] = $q['author_name'][count($q['author_name'])-1];#no trailing slash
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} else {
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$q['author_name'] = $q['author_name'][count($q['author_name'])-2];#there was a trailling slash
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}
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}
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$q['author_name'] = preg_replace('|[^a-z0-9-_]|', '', strtolower($q['author_name']));
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$q['author'] = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_nicename='".$q['author_name']."'");
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$whichauthor .= ' AND (post_author = '.intval($q['author']).')';
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}
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$where .= $search.$whichcat.$whichauthor;
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if ((empty($q['order'])) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC'))) {
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$q['order']='DESC';
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}
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// Order by
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if (empty($q['orderby'])) {
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$q['orderby']='date '.$q['order'];
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} else {
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// Used to filter values
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$allowed_keys = array('author','date','category','title');
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$q['orderby'] = urldecode($q['orderby']);
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$q['orderby'] = addslashes_gpc($q['orderby']);
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$orderby_array = explode(' ',$q['orderby']);
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if (!in_array($orderby_array[0],$allowed_keys)) {
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$orderby_array[0] = 'date';
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}
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$q['orderby'] = $orderby_array[0].' '.$q['order'];
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if (count($orderby_array)>1) {
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for ($i = 1; $i < (count($orderby_array)); $i = $i + 1) {
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// Only allow certain values for safety
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if (in_array($orderby_array[$i],$allowed_keys)) {
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$q['orderby'] .= ',post_'.$orderby_array[$i].' '.$q['order'];
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}
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}
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}
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}
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if ((!$whichcat) && (!$q['m']) && (!$q['p']) && (!$q['w']) && (!$q['s']) && empty($q['poststart']) && empty($q['postend'])) {
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if ($q['what_to_show'] == 'posts') {
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$limits = ' LIMIT '.$q['posts_per_page'];
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} elseif ($q['what_to_show'] == 'days' && empty($q['monthnum']) && empty($q['year']) && empty($q['day'])) {
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$lastpostdate = get_lastpostdate();
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$lastpostdate = mysql2date('Y-m-d 00:00:00',$lastpostdate);
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$lastpostdate = mysql2date('U',$lastpostdate);
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$otherdate = date('Y-m-d H:i:s', ($lastpostdate - (($q['posts_per_page']-1) * 86400)));
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$where .= " AND post_date > '$otherdate'";
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}
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}
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if ( !empty($q['postend']) && ($q['postend'] > $q['poststart']) && (!$q['m']) && empty($q['monthnum']) && empty($q['year']) && empty($q['day']) &&(!$q['w']) && (!$whichcat) && (!$q['s']) && (!$q['p'])) {
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if ($q['what_to_show'] == 'posts') {
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$q['poststart'] = intval($q['poststart']);
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$q['postend'] = intval($q['postend']);
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$limposts = $q['postend'] - $q['poststart'];
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$limits = ' LIMIT '.$q['poststart'].','.$limposts;
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} elseif ($q['what_to_show'] == 'days') {
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$q['poststart'] = intval($q['poststart']);
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$q['postend'] = intval($q['postend']);
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$limposts = $q['postend'] - $q['poststart'];
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$lastpostdate = get_lastpostdate();
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$lastpostdate = mysql2date('Y-m-d 00:00:00',$lastpostdate);
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$lastpostdate = mysql2date('U',$lastpostdate);
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$startdate = date('Y-m-d H:i:s', ($lastpostdate - (($q['poststart'] -1) * 86400)));
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$otherdate = date('Y-m-d H:i:s', ($lastpostdate - (($q['postend'] -1) * 86400)));
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$where .= " AND post_date > '$otherdate' AND post_date < '$startdate'";
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}
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} else {
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if (($q['what_to_show'] == 'posts') && (! is_single()) && (!$q['more'])) {
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if ($pagenow != 'post.php') {
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$pgstrt = '';
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if ($q['paged']) {
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$pgstrt = (intval($q['paged']) -1) * $q['posts_per_page'] . ', ';
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}
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$limits = 'LIMIT '.$pgstrt.$q['posts_per_page'];
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} else {
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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();
|
|
}
|
|
|
|
?>
|