# Short conditions, I wouldn't align vertically:

if ($foo && $bar && $bat && $waffles) {
    statements();
}

# Long or complex conditions, I would align vertically
# (also personally prefer binary operators at the end 
# of the line rather than the beginning):

if (some_long_conditions_go_here() &&
    another_one_down_here($foo) &&
    ($foo || $bar) &&
    I_think_you_get_what_I_am_saying()) {

    statements();
}