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run code in 150+ php & hhvm versions
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<?php $options = array('test', ' ', 'test 2'); $options = array_filter($options); print_r($options);
Output for 4.3.0 - 5.6.22, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => test [1] => [2] => test 2 )