wp-includes/comment.php:1252Compares the lengths of comment data against the maximum character limits.
$comment_dataarrayWP_Error|truefunction wp_check_comment_data_max_lengths( $comment_data ) { $max_lengths = wp_get_comment_fields_max_lengths(); if ( isset( $comment_data['comment_author'] ) && mb_strlen( $comment_data['comment_author'], '8bit' ) > $max_lengths['comment_author'] ) { return new WP_Error( 'comment_author_column_length', __( '<strong>Error:</strong> Your name is too long.' ), 200 ); } if ( isset( $comment_data['comment_author_email'] ) && strlen( $comment_data['comment_author_email'] ) > $max_lengths['comment_author_email'] ) { return new WP_Error( 'comment_author_email_column_length', __( '<strong>Error:</strong> Your email address is too long.' ), 200 ); } if ( isset( $comment_data['comment_author_url'] ) && strlen( $comment_data['comment_author_url'] ) > $max_lengths['comment_author_url'] ) { return new WP_Error( 'comment_author_url_column_length', __( '<strong>Error:</strong> Your URL is too long.' ), 200 ); } if ( isset( $comment_data['comment_content'] ) && mb_strlen( $comment_data['comment_content'], '8bit' ) > $max_lengths['comment_content'] ) { return new WP_Error( 'comment_content_column_length', __( '<strong>Error:</strong> Your comment is too long.' ), 200 ); } return true;}Introduced in 4.7.0. 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.