\n";
}
function test2()
{
global $var; /* extern */
$var = 2; /* now we actually change the global */
echo $var . "
\n";
}
function test3()
{
/* local var with ability to retain value in multiple calls */
static $var = 0;
echo "test3 var: {$var}
\n";
$var++;
}
test1();
echo $var . "
\n";
test2();
echo $var . "
\n";
test3();
test3();
test3();
test3();
test3();
echo $var;
?>