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run code in 150+ php & hhvm versions
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<?php $str= file_get_contents("/tmp/"); $str = explode("\n",$str); echo "<pre>".print_r($str)."</pre>"; ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Array ( [0] => ) <pre>1</pre>