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run code in 200+ php & hhvm versions
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<?php var_export(Array ( 0=>1 ,1=>2 ,2=>3));
Output for 4.3.0 - 7.1.7, 7.2.0
array ( 0 => 1, 1 => 2, 2 => 3, )
Output for 7.1.10

Process exited with code 137.