<?php

$var1 = 123;

print "\n print_r:  "; print_r($var1); 
print "\n var_dump: "; var_dump($var1);


$var2 = "test";

print "\n print_r:  "; print_r($var2);
print "\n var_dump: "; var_dump($var2);


$var3 = array('aaa', 'bbb', 'ccc');

print "\n print_r:  "; print_r($var3);
print "\n var_dump: "; var_dump($var3);

?>