PHP: Pretty Print function (for debugging)

pp.php

<?php
/**
 * Pretty Print (for debugging)
 * @param mixed value to print
 */
function pp($val = null) {

  if ( $val === false ) {
		echo '<pre>(boolean) 0</pre>';
	}
	elseif ( empty($val) ) {
		echo '<pre>null</pre>';
	}
	elseif ( is_array($val) || is_object($val) ) {
		echo '<pre>';
		print_r($val);
		echo '</pre>';
	}
	else {
		echo '<pre>('.gettype($val).') '.$val.'</pre>';
	}
	
}
?>