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run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = array(1,1,2); $foo = array_filter($foo); print_r($foo);
Output for 4.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 1 [1] => 1 [2] => 2 )