<?php
do_action( "wpe_setup_theme" );

function [attach_theme_prefix]_header_hook ()
{
	$id = get_the_ID();
	if ( is_page( $id ) ) {
		$type = 'page';
	} else {
		$type = 'article';
	}
	?>
	<?php
}

add_action( 'wp_head', '[attach_theme_prefix]_header_hook' );
?>