php-src/tests/lang/func_get_arg.002.phpt

--TEST--
func_get_arg with variable number of args
--FILE--
<?php

function foo($a)
{
    $b = func_get_arg(1);
    var_dump($b);
    $b++;
    var_dump(func_get_arg(1));

}
foo(2, 3);
echo "\n";
?>
--EXPECT--
int(3)
int(3)