how to display an array value? in php?

[jum]

$a = array(
"one" => 1,
"two" => 2,
"three" => 3,
"seventeen" => 17
);


i have this array, i want to display the no.3...what would be my codes..please help, i'm new in php...

 

[DesignerEagleEye]

echo $a['three'];