HelloWorld

PHP DATA TYPES

100, 3.141593
100, 3.14159265
100, 3.14159265

Strings

Hello Dorld
Incorrect Letter: D
Correct: Hello World

Associative Arrays

apple = good
banana = bad
orange = ok
Sorted by Key: Array ( [apple] => good [banana] => bad [orange] => ok )

0 = joe
1 = bob
2 = billy
Sorted by Value: Array ( [0] => billy [1] => bob [2] => joe )