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< ? php
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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 $is_home = false ;
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function init () {
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$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 ;
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}
function parse_query ( $query ) {
$this -> init ();
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parse_str ( $query , $qv );
$this -> query = $query ;
$this -> query_vars = $qv ;
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if ( '' != $qv [ 'name' ]) {
$this -> is_single = true ;
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}
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if (( $qv [ 'p' ] != '' ) && ( $qv [ 'p' ] != 'all' )) {
$this -> is_single = true ;
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}
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if ( '' != $qv [ 'm' ]) {
$this -> is_date = true ;
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}
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if ( '' != $qv [ 'hour' ]) {
$this -> is_date = true ;
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}
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if ( '' != $qv [ 'minute' ]) {
$this -> is_date = true ;
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}
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if ( '' != $qv [ 'second' ]) {
$this -> is_date = true ;
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}
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if ( '' != $qv [ 'year' ]) {
$this -> is_date = true ;
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}
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if ( '' != $qv [ 'monthnum' ]) {
$this -> is_date = true ;
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}
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if ( '' != $qv [ 'day' ]) {
$this -> is_date = true ;
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}
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if ( '' != $qv [ 'w' ]) {
$this -> is_date = true ;
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}
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// If year, month, day, hour, minute, and second are set, a single
// post is being queried.
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if (( '' != $qv [ 'hour' ]) && ( '' != $qv [ 'minute' ]) && ( '' != $qv [ 'second' ]) && ( '' != $qv [ 'year' ]) && ( '' != $qv [ 'monthnum' ]) && ( '' != $qv [ 'day' ])) {
$this -> is_single = true ;
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}
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if ( ! empty ( $qv [ 's' ])) {
$this -> is_search = true ;
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}
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if ( empty ( $qv [ 'cat' ]) || ( $qv [ 'cat' ] == 'all' ) || ( $qv [ 'cat' ] == '0' )) {
$this -> is_category = false ;
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} else {
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if ( stristr ( $qv [ 'cat' ], '-' )) {
$this -> is_category = false ;
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} else {
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$this -> is_category = true ;
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}
}
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if ( '' != $qv [ 'category_name' ]) {
$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 ) {
$this -> is_category = false ;
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}
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if (( empty ( $qv [ 'author' ])) || ( $qv [ 'author' ] == 'all' ) || ( $qv [ 'author' ] == '0' )) {
$this -> is_author = false ;
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} else {
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$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' ] . " ' " ;
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}
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if ( '' != $q [ 'minute' ]) {
$q [ 'minute' ] = '' . intval ( $q [ 'minute' ]);
$where .= " AND MINUTE(post_date)=' " . $q [ 'minute' ] . " ' " ;
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}
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if ( '' != $q [ 'second' ]) {
$q [ 'second' ] = '' . intval ( $q [ 'second' ]);
$where .= " AND SECOND(post_date)=' " . $q [ 'second' ] . " ' " ;
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}
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if ( '' != $q [ 'year' ]) {
$q [ 'year' ] = '' . intval ( $q [ 'year' ]);
$where .= " AND YEAR(post_date)=' " . $q [ 'year' ] . " ' " ;
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}
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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 .= " ) " ;
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}
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// 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' ;
}
$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 = 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 ();
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}
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function WP_Query ( $query = '' ) {
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if ( ! empty ( $query )) {
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$this -> query ( $query );
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}
}
}
// Make a global instance.
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if ( ! isset ( $wp_query )) {
$wp_query = new WP_Query ();
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}
?>