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run code in 200+ 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');
Output for 4.3.0 - 7.1.7
aaa = aaa bbb = bbb ccc = ccc