var_dump

<pre>
<?php
$a = array (1, 2, array ("a", "b", "c"));
var_dump ($a);

/* output:
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  array(3) {
    [0]=>
    string(1) "a"
    [1]=>
    string(1) "b"
    [2]=>
    string(1) "c"
  }
}

*/

$b = 3.1; $c = TRUE;
var_dump($b,$c);

/* output:
float(3.1)
bool(true)

*/
?>;
</pre>