WordPress/wp-admin/admin-db.php

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<?php
function get_users_drafts( $user_id ) {
global $wpdb;
$user_id = (int) $user_id;
$query = "SELECT ID, post_title FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'draft' AND post_author = $user_id ORDER BY ID DESC";
$query = apply_filters('get_users_drafts', $query);
return $wpdb->get_results( $query );
}
function get_others_drafts( $user_id ) {
global $wpdb;
$user = get_userdata( $user_id );
$level_key = $wpdb->prefix . 'user_level';
$editable = get_editable_user_ids( $user_id );
if( !$editable ) {
$other_drafts = '';
} else {
$editable = join(',', $editable);
$other_drafts = $wpdb->get_results("SELECT ID, post_title FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'draft' AND post_author IN ($editable) AND post_author != '$user_id' ");
}
return apply_filters('get_others_drafts', $other_drafts);
}
function get_editable_authors( $user_id ) {
global $wpdb;
$editable = get_editable_user_ids( $user_id );
if( !$editable ) {
return false;
} else {
$editable = join(',', $editable);
$authors = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($editable) ORDER BY display_name" );
}
return apply_filters('get_editable_authors', $authors);
}
function get_editable_user_ids( $user_id, $exclude_zeros = true ) {
global $wpdb;
$user = new WP_User( $user_id );
if ( ! $user->has_cap('edit_others_posts') ) {
if ( $user->has_cap('edit_posts') || $exclude_zeros == false )
return array($user->id);
else
return false;
}
$level_key = $wpdb->prefix . 'user_level';
$query = "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$level_key'";
if ( $exclude_zeros )
$query .= " AND meta_value != '0'";
return $wpdb->get_col( $query );
}
function get_author_user_ids() {
global $wpdb;
$level_key = $wpdb->prefix . 'user_level';
$query = "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$level_key' AND meta_value != '0'";
return $wpdb->get_col( $query );
}
function get_nonauthor_user_ids() {
global $wpdb;
$level_key = $wpdb->prefix . 'user_level';
$query = "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$level_key' AND meta_value = '0'";
return $wpdb->get_col( $query );
}
function wp_insert_category($catarr) {
global $wpdb;
extract($catarr);
if( trim( $cat_name ) == '' )
return 0;
$cat_ID = (int) $cat_ID;
// Are we updating or creating?
if (!empty ($cat_ID))
$update = true;
else
$update = false;
$cat_name = apply_filters('pre_category_name', $cat_name);
if (empty ($category_nicename))
$category_nicename = sanitize_title($cat_name);
else
$category_nicename = sanitize_title($category_nicename);
$category_nicename = apply_filters('pre_category_nicename', $category_nicename);
if (empty ($category_description))
$category_description = '';
$category_description = apply_filters('pre_category_description', $category_description);
$category_parent = (int) $category_parent;
if ( empty($category_parent) || !get_category( $category_parent ) || ($cat_ID && cat_is_ancestor_of($cat_ID, $category_parent) ) )
$category_parent = 0;
if ( isset($posts_private) )
$posts_private = (int) $posts_private;
else
$posts_private = 0;
if ( isset($links_private) )
$links_private = (int) $links_private;
else
$links_private = 0;
if (!$update) {
$wpdb->query("INSERT INTO $wpdb->categories (cat_ID, cat_name, category_nicename, category_description, category_parent, links_private, posts_private) VALUES ('0', '$cat_name', '$category_nicename', '$category_description', '$category_parent', '$links_private', '$posts_private')");
$cat_ID = $wpdb->insert_id;
} else {
$wpdb->query ("UPDATE $wpdb->categories SET cat_name = '$cat_name', category_nicename = '$category_nicename', category_description = '$category_description', category_parent = '$category_parent', links_private = '$links_private', posts_private = '$posts_private' WHERE cat_ID = '$cat_ID'");
}
if ( $category_nicename == '' ) {
$category_nicename = sanitize_title($cat_name, $cat_ID );
$wpdb->query( "UPDATE $wpdb->categories SET category_nicename = '$category_nicename' WHERE cat_ID = '$cat_ID'" );
}
// Keep in mind when using this filter and altering the cat_ID that the two queries above
// have already taken place with the OLD cat_ID
// Also note that you may have post2cat entries with the old cat_ID if this is an update
$cat_ID = apply_filters('cat_id_filter', $cat_ID, $update);
clean_category_cache($cat_ID);
if ($update) {
do_action('edit_category', $cat_ID);
} else {
do_action('create_category', $cat_ID);
do_action('add_category', $cat_ID);
}
return $cat_ID;
}
function wp_update_category($catarr) {
global $wpdb;
$cat_ID = (int) $catarr['cat_ID'];
if( $cat_ID == $catarr['category_parent'] )
return false;
// First, get all of the original fields
$category = get_category($cat_ID, ARRAY_A);
// Escape data pulled from DB.
$category = add_magic_quotes($category);
// Merge old and new fields with new fields overwriting old ones.
$catarr = array_merge($category, $catarr);
return wp_insert_category($catarr);
}
function wp_delete_category($cat_ID) {
global $wpdb;
$cat_ID = (int) $cat_ID;
// Don't delete the default cat.
if ( $cat_ID == get_option('default_category') )
return 0;
if ( $cat_ID == get_option('default_link_category') )
return 0;
$category = get_category($cat_ID);
$parent = $category->category_parent;
// Delete the category.
if ( !$wpdb->query("DELETE FROM $wpdb->categories WHERE cat_ID = '$cat_ID'") )
return 0;
// Update children to point to new parent.
$wpdb->query("UPDATE $wpdb->categories SET category_parent = '$parent' WHERE category_parent = '$cat_ID'");
// Only set posts and links to the default category if they're not in another category already.
$default_cat = get_option('default_category');
$posts = $wpdb->get_col("SELECT post_id FROM $wpdb->post2cat WHERE category_id='$cat_ID'");
if ( is_array($posts) ) foreach ($posts as $post_id) {
$cats = wp_get_post_categories($post_id);
if ( 1 == count($cats) )
$cats = array($default_cat);
else
$cats = array_diff($cats, array($cat_ID));
wp_set_post_categories($post_id, $cats);
}
$default_link_cat = get_option('default_link_category');
$links = $wpdb->get_col("SELECT link_id FROM $wpdb->link2cat WHERE category_id='$cat_ID'");
if ( is_array($links) ) foreach ($links as $link_id) {
$cats = wp_get_link_cats($link_id);
if ( 1 == count($cats) )
$cats = array($default_link_cat);
else
$cats = array_diff($cats, array($cat_ID));
wp_set_link_cats($link_id, $cats);
}
clean_category_cache($cat_ID);
do_action('delete_category', $cat_ID);
return 1;
}
function wp_create_category($cat_name) {
$cat_array = compact('cat_name');
return wp_insert_category($cat_array);
}
function wp_create_categories($categories, $post_id = '') {
$cat_ids = array ();
foreach ($categories as $category) {
if ($id = category_exists($category))
$cat_ids[] = $id;
else
if ($id = wp_create_category($category))
$cat_ids[] = $id;
}
if ($post_id)
wp_set_post_categories($post_id, $cat_ids);
return $cat_ids;
}
function category_exists($cat_name) {
global $wpdb;
if (!$category_nicename = sanitize_title($cat_name))
return 0;
return $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE category_nicename = '$category_nicename'");
}
function wp_delete_user($id, $reassign = 'novalue') {
global $wpdb;
$id = (int) $id;
$user = get_userdata($id);
if ($reassign == 'novalue') {
$post_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_author = $id");
if ($post_ids) {
foreach ($post_ids as $post_id)
wp_delete_post($post_id);
}
// Clean links
$wpdb->query("DELETE FROM $wpdb->links WHERE link_owner = $id");
} else {
$reassign = (int) $reassign;
$wpdb->query("UPDATE $wpdb->posts SET post_author = {$reassign} WHERE post_author = {$id}");
$wpdb->query("UPDATE $wpdb->links SET link_owner = {$reassign} WHERE link_owner = {$id}");
}
// FINALLY, delete user
do_action('delete_user', $id);
$wpdb->query("DELETE FROM $wpdb->users WHERE ID = $id");
$wpdb->query("DELETE FROM $wpdb->usermeta WHERE user_id = '$id'");
wp_cache_delete($id, 'users');
wp_cache_delete($user->user_login, 'userlogins');
return true;
}
function wp_revoke_user($id) {
$id = (int) $id;
$user = new WP_User($id);
$user->remove_all_caps();
}
function wp_insert_link($linkdata) {
global $wpdb, $current_user;
extract($linkdata);
$update = false;
if ( !empty($link_id) )
$update = true;
if( trim( $link_name ) == '' )
return 0;
$link_name = apply_filters('pre_link_name', $link_name);
if( trim( $link_url ) == '' )
return 0;
$link_url = apply_filters('pre_link_url', $link_url);
if ( empty($link_rating) )
$link_rating = 0;
else
$link_rating = (int) $link_rating;
if ( empty($link_image) )
$link_image = '';
$link_image = apply_filters('pre_link_image', $link_image);
if ( empty($link_target) )
$link_target = '';
$link_target = apply_filters('pre_link_target', $link_target);
if ( empty($link_visible) )
$link_visible = 'Y';
$link_visibile = preg_replace('/[^YNyn]/', '', $link_visible);
if ( empty($link_owner) )
$link_owner = $current_user->id;
else
$link_owner = (int) $link_owner;
if ( empty($link_notes) )
$link_notes = '';
$link_notes = apply_filters('pre_link_notes', $link_notes);
if ( empty($link_description) )
$link_description = '';
$link_description = apply_filters('pre_link_description', $link_description);
if ( empty($link_rss) )
$link_rss = '';
$link_rss = apply_filters('pre_link_rss', $link_rss);
if ( empty($link_rel) )
$link_rel = '';
$link_rel = apply_filters('pre_link_rel', $link_rel);
// Make sure we set a valid category
if (0 == count($link_category) || !is_array($link_category)) {
$link_category = array(get_option('default_link_category'));
}
if ( $update ) {
$wpdb->query("UPDATE $wpdb->links SET link_url='$link_url',
link_name='$link_name', link_image='$link_image',
link_target='$link_target',
link_visible='$link_visible', link_description='$link_description',
link_rating='$link_rating', link_rel='$link_rel',
link_notes='$link_notes', link_rss = '$link_rss'
WHERE link_id='$link_id'");
} else {
$wpdb->query("INSERT INTO $wpdb->links (link_url, link_name, link_image, link_target, link_description, link_visible, link_owner, link_rating, link_rel, link_notes, link_rss) VALUES('$link_url','$link_name', '$link_image', '$link_target', '$link_description', '$link_visible', '$link_owner', '$link_rating', '$link_rel', '$link_notes', '$link_rss')");
$link_id = $wpdb->insert_id;
}
wp_set_link_cats($link_id, $link_category);
if ( $update )
do_action('edit_link', $link_id);
else
do_action('add_link', $link_id);
return $link_id;
}
function wp_update_link($linkdata) {
global $wpdb;
$link_id = (int) $linkdata['link_id'];
$link = get_link($link_id, ARRAY_A);
// Escape data pulled from DB.
$link = add_magic_quotes($link);
// Passed link category list overwrites existing category list if not empty.
if ( isset($linkdata['link_category']) && is_array($linkdata['link_category'])
&& 0 != count($linkdata['link_category']) )
$link_cats = $linkdata['link_category'];
else
$link_cats = $link['link_category'];
// Merge old and new fields with new fields overwriting old ones.
$linkdata = array_merge($link, $linkdata);
$linkdata['link_category'] = $link_cats;
return wp_insert_link($linkdata);
}
function wp_delete_link($link_id) {
global $wpdb;
do_action('delete_link', $link_id);
$categories = wp_get_link_cats($link_id);
if( is_array( $categories ) ) {
foreach ( $categories as $category ) {
$wpdb->query("UPDATE $wpdb->categories SET link_count = link_count - 1 WHERE cat_ID = '$category'");
wp_cache_delete($category, 'category');
do_action('edit_category', $cat_id);
}
}
$wpdb->query("DELETE FROM $wpdb->link2cat WHERE link_id = '$link_id'");
return $wpdb->query("DELETE FROM $wpdb->links WHERE link_id = '$link_id'");
}
function wp_get_link_cats($link_ID = 0) {
global $wpdb;
$sql = "SELECT category_id
FROM $wpdb->link2cat
WHERE link_id = $link_ID
ORDER BY category_id";
$result = $wpdb->get_col($sql);
if ( !$result )
$result = array();
return array_unique($result);
}
function wp_set_link_cats($link_ID = 0, $link_categories = array()) {
global $wpdb;
// If $link_categories isn't already an array, make it one:
if (!is_array($link_categories) || 0 == count($link_categories))
$link_categories = array(get_option('default_link_category'));
$link_categories = array_unique($link_categories);
// First the old categories
$old_categories = $wpdb->get_col("
SELECT category_id
FROM $wpdb->link2cat
WHERE link_id = $link_ID");
if (!$old_categories) {
$old_categories = array();
} else {
$old_categories = array_unique($old_categories);
}
// Delete any?
$delete_cats = array_diff($old_categories,$link_categories);
if ($delete_cats) {
foreach ($delete_cats as $del) {
$wpdb->query("
DELETE FROM $wpdb->link2cat
WHERE category_id = $del
AND link_id = $link_ID
");
}
}
// Add any?
$add_cats = array_diff($link_categories, $old_categories);
if ($add_cats) {
foreach ($add_cats as $new_cat) {
$wpdb->query("
INSERT INTO $wpdb->link2cat (link_id, category_id)
VALUES ($link_ID, $new_cat)");
}
}
// Update category counts.
$all_affected_cats = array_unique(array_merge($link_categories, $old_categories));
foreach ( $all_affected_cats as $cat_id ) {
$count = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->link2cat, $wpdb->links WHERE $wpdb->links.link_id = $wpdb->link2cat.link_id AND category_id = '$cat_id'");
$wpdb->query("UPDATE $wpdb->categories SET link_count = '$count' WHERE cat_ID = '$cat_id'");
wp_cache_delete($cat_id, 'category');
do_action('edit_category', $cat_id);
}
} // wp_set_link_cats()
function post_exists($title, $content = '', $post_date = '') {
global $wpdb;
if (!empty ($post_date))
$post_date = "AND post_date = '$post_date'";
if (!empty ($title))
return $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_title = '$title' $post_date");
else
if (!empty ($content))
return $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_content = '$content' $post_date");
return 0;
}
function comment_exists($comment_author, $comment_date) {
global $wpdb;
return $wpdb->get_var("SELECT comment_post_ID FROM $wpdb->comments
WHERE comment_author = '$comment_author' AND comment_date = '$comment_date'");
}
?>