Functions

PRACTICE ! PRACTICE ! PRACTICE !

function add {1 + 3}
add

function paramshow {$args}
paramshow "hi"

function paramadd {$args[0] + $args[1]}
paramadd 4 6

function multiple ($num1, $num2) {$num1 * $num2}
multiple 4 5

function posfunc ($num1, $num2) {$num1}
posfunc -num1 3 -num2 4
3