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run code in 150+ php & hhvm versions
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<?php function atLeastTwoNotNull() { return (count(array_filter(func_get_args(), 'is_null' )) < 2); } $a = null; $b = true; $c = false; $d = null; $e = null; var_dump(atLeastTwoNotNull($a, $b, $c, $d, $e));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(false)