comments_per_page filter-hook . WP 1.0

This filter is documented in wp-admin/includes/class-wp-comments-list-table.php

Usage

add_filter( 'comments_per_page', 'filter_function_name_4901', 10, 2 );
function filter_function_name_4901( $per_page, $comment_status ){
	// filter...

	return $per_page;
}

$per_page

-

$comment_status

-

Where the hook is called

$per_page = apply_filters( 'comments_per_page', $per_page, $comment_status );

return apply_filters( 'comments_per_page', $comments_per_page, $comment_status );

Where in WP core the hook is used WordPress