<?php
global $words;
class A {
function say()
{
global $words;
$words = 'man';
A::hello();
A::bye();
echo $words;
}
function hello(){
global $words;
$words .= 'hello';
}
function bye(){
global $words;
$words .= 'bye';
}
}
A::say();
?>
i think it is stupid, Can you pointed me a good way ?