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get_term_children() and category query fixes.

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git-svn-id: http://svn.automattic.com/wordpress/trunk@5593 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2007-05-29 21:27:49 +00:00
parent 6a314d85d8
commit 3176f1acd2
2 changed files with 36 additions and 22 deletions
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42
wp-includes/query.php
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@ -844,36 +844,34 @@ class WP_Query {
$q['cat'] = addslashes_gpc($q['cat']);
$join = " LEFT JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) LEFT JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) ";
$cat_array = preg_split('/[,\s]+/', $q['cat']);
$in_cats = $out_cats = $out_posts = '';
$in_cats = $out_cats = array();
$include_cats = $exclude_cats = '';
foreach ( $cat_array as $cat ) {
$cat = intval($cat);
$in = (strpos($cat, '-') !== false) ? false : true;
$cat = trim($cat, '-');
// TODO make an array, not a string, for out_cats. use get_term_children()
if ( $in )
$in_cats .= "$cat, " . get_category_children($cat, '', ', ');
else
$out_cats .= "$cat, " . get_category_children($cat, '', ', ');
$in = ($cat > 0);
$cat = abs($cat);
if ( $in ) {
$in_cats[] = $cat;
$in_cats = array_merge($in_cats, get_term_children($cat, 'category'));
} else {
$out_cats[] = $cat;
$out_cats = arry_merge($out_cats, get_term_children($cat, 'category'));
}
}
$in_cats = substr($in_cats, 0, -2);
$out_cats = substr($out_cats, 0, -2);
if ( strlen($in_cats) > 0 )
$in_cats = " AND $wpdb->term_taxonomy.term_id IN ({$q['cat']}) ";
if ( strlen($out_cats) > 0 ) {
// TODO use get_objects_in_term
if ( ! empty($in_cats) ) {
$include_cats = "'" . implode("', '", $in_cats) . "'";
$include_cats = " AND $wpdb->term_taxonomy.term_id IN ($include_cats) ";
}
if ( !empty($out_cats) ) {
$ids = get_objects_in_terms($out_cats, 'category');
if ( is_array($ids) && count($ids > 0) ) {
foreach ( $ids as $id )
$out_posts .= "$id, ";
$out_posts = substr($out_posts, 0, -2);
$out_posts = "'" . implode("', '", $ids) . "'";
$exclude_cats = " AND $wpdb->posts.ID NOT IN ($out_posts)";
}
if ( strlen($out_posts) > 0 )
$out_cats = " AND $wpdb->posts.ID NOT IN ($out_posts)";
else
$out_cats = '';
}
$whichcat = " AND $wpdb->term_taxonomy.taxonomy = 'category' ";
$whichcat .= $in_cats . $out_cats;
$whichcat .= $include_cats . $exclude_cats;
$groupby = "{$wpdb->posts}.ID";
}

16
wp-includes/taxonomy.php
View File

@ -656,6 +656,22 @@ function get_term_by($field, $value, $taxonomy, $output = OBJECT) {
}
}
function get_term_children( $term, $taxonomy ) {
$terms = _get_term_hierarchy($taxonomy);
if ( ! isset($terms[$term]) )
return array();
$children = $terms[$term];
foreach ( $terms[$term] as $child ) {
if ( isset($terms[$child]) )
$children = array_merge($children, get_term_children($child, $taxonomy));
}
return $children;
}
function clean_term_cache($ids, $taxonomy) {
if ( !is_array($ids) )
$ids = array($ids);