WordPress at a glance
filter is not described

wp_comment_reply filter-hook . WP 2.7.0

Filters the in-line comment reply-to form output in the Comments list table.

Returning a non-empty value here will short-circuit display of the in-line comment-reply form in the Comments list table, echoing the returned value instead.

Usage

add_filter( 'wp_comment_reply', 'filter_function_name_1429', 10, 2 );
function filter_function_name_1429( $content, $args ){
	// filter...

	return $content;
}
$content(string)
The reply-to form content.
$args(array)
An array of default args.

Where the hook is called

wp_comment_reply()
wp-admin/includes/template.php 382
$content = apply_filters( 'wp_comment_reply', '', array( 'position' => $position, 'checkbox' => $checkbox, 'mode' => $mode ) );

Where the hook is used (in WP core)

Does not used.