If no user ID for whatever reason, bail early.

git-svn-id: https://develop.svn.wordpress.org/trunk@5847 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Matt Mullenweg 2007-08-04 03:58:42 +00:00
parent e86bf7e19f
commit 2ca236c045
1 changed files with 3 additions and 0 deletions

View File

@ -91,6 +91,9 @@ function get_usermeta( $user_id, $meta_key = '') {
global $wpdb;
$user_id = (int) $user_id;
if ( !$user_id )
return false;
if ( !empty($meta_key) ) {
$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
$metas = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key'");