read this http://php.net/manual/en/function.func-get-args.php
dont pass any argument when decalare a function
like below
function myMin() {
$list = func_get_args();
$min = NULL;
if (count($list)>0) $min = $list[0];
for ($i=1; $i<count($list); $i++) {
if ($min > $list[$i]) $min = $list[$i];
}
return $min;
}
print("\n Calling a function that uses func_get_args():\n");
print(" ".myMin()."\n");
print(" ".myMin(5)."\n");
print(" ".myMin(5, 6, 2)."\n");
print(" ".myMin(5, 6, 2, 9, 5, 1, 4, 1, 3)."\n");
?>