Show taxonomy ID in wordpress admin panel

show_tax_id.php

// show tax id's in admin panel:
// https://wordpress.stackexchange.com/a/77536
foreach ( get_taxonomies() as $taxonomy ) {
	add_action( "manage_edit-${taxonomy}_columns",          't5_add_col' );
	add_filter( "manage_edit-${taxonomy}_sortable_columns", 't5_add_col' );
	add_filter( "manage_${taxonomy}_custom_column",         't5_show_id', 10, 3 );
}
add_action( 'admin_print_styles-edit-tags.php', 't5_tax_id_style' );

function t5_add_col( $columns )
{
	return $columns + array ( 'tax_id' => 'ID' );
}
function t5_show_id( $v, $name, $id )
{
	return 'tax_id' === $name ? $id : $v;
}
function t5_tax_id_style()
{
	print '<style>#tax_id{width:3em;max-width:4em}</style>';
}