var_dump is your friend! Forget about print_r! We'll see in a bit, why! Pros Easy to add to your code Fast way to check simple issues Gives detailed information on dumped variable Can also view complete objects/arrays Also provides type information Cons No environment information Complex issues need lots of debugging code Dumping lots of variables gives lots of code "; print_r( new Foo() ); var_dump(new Foo() ); var_dump( array( 1, 2, "foo" => "bar" ) ); echo ""; ?>]]>