wp-includes/comment.php:2108Filters and sanitizes comment data.
$commentdataarrayarray8 hooks fire while wp_filter_comment() runs, in this order:
Filters the comment author's user ID before it is set.
Filters the comment author's user ID before it is set.
Filters the comment author's browser user agent before it is set.
Filters the comment author's name cookie before it is set.
Filters the comment content before it is set.
Filters the comment author's IP address before it is set.
Filters the comment author's URL cookie before it is set.
Filters the comment author's email cookie before it is set.
function wp_filter_comment( $commentdata ) { if ( isset( $commentdata['user_ID'] ) ) { /** * Filters the comment author's user ID before it is set. * * The first time this filter is evaluated, `user_ID` is checked * (for back-compat), followed by the standard `user_id` value. * * @since 1.5.0 * * @param int $user_id The comment author's user ID. */ $commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_ID'] ); } elseif ( isset( $commentdata['user_id'] ) ) { /** This filter is documented in wp-includes/comment.php */ $commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_id'] ); } /** * Filters the comment author's browser user agent before it is set. * * @since 1.5.0 * * @param string $comment_agent The comment author's browser user agent. */ $commentdata['comment_agent'] = apply_filters( 'pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) ); /** This filter is documented in wp-includes/comment.php */ $commentdata['comment_author'] = apply_filters( 'pre_comment_author_name', $commentdata['comment_author'] ); /** * Filters the comment content before it is set. * * @since 1.5.0 * * @param string $comment_content The comment content. */ $commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] ); /** * Filters the comment author's IP address before it is set. * * @since 1.5.0 * * @param string $comment_author_ip The comment author's IP address. */ $commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] ); /** This filter is documented in wp-includes/comment.php */ $commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] ); /** This filter is documented in wp-includes/comment.php */ $commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] ); $commentdata['filtered'] = true; return $commentdata;}Introduced in 2.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/comment.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.