debugging functions in php
<?php
/* a few functions for debugging in php */
$a = 100;
$b = 500;
$c = 3.333;
$r = var_dump($c);
$e = print_r($b);
$u = gettype($a);
$u2 = gettype($b);
$u3 = gettype($c);
echo $r;
echo $e;
echo $u;
echo $u2;
echo $u3;
?>