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run code in 150+ php & hhvm versions
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<?php function test($a, $b='bbb', $c='ccc') { echo "$a = " . $a; echo "\n$b = " . $b; echo "\n$c = " . $c; } test('aaa', $c='xxx');
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
aaa = aaa xxx = xxx ccc = ccc