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Check that $user_id is set. For non-logged in users it is not set so we get a notice. 

git-svn-id: https://develop.svn.wordpress.org/trunk@12389 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Peter Westwood 2009-12-13 11:43:19 +00:00
parent 010138e0df
commit 952cfa477f
1 changed files with 1 additions and 1 deletions
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2
wp-includes/comment.php
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@ -506,7 +506,7 @@ function wp_allow_comment($commentdata) {
do_action( 'check_comment_flood', $comment_author_IP, $comment_author_email, $comment_date_gmt );
if ( $user_id ) {
if ( isset($user_id) ) {
$userdata = get_userdata($user_id);
$user = new WP_User($user_id);
$post_author = $wpdb->get_var($wpdb->prepare("SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1", $comment_post_ID));