- print_r: documentation ( source)
<?php
$person = array(
'height' => 100,
'build' => "average",
'waist' => 38,
);
$hobbies = array(
'climbing' => true,
'skiing' => false,
'waist' => 38,
);
$total = array("person" => $person, "hobbies" => $hobbies);
print_r($total);