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run code in 300+ PHP versions simultaneously
<?php $test = array(5.01,5.4,5.1,5.2,5.3,5.5,4.2,4.05,6.9); usort($test, function ($a, $b) { return ceil($a - $b); }); print_r($test);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 4.05 [1] => 5.01 [2] => 4.2 [3] => 5.1 [4] => 5.2 [5] => 5.3 [6] => 5.4 [7] => 5.5 [8] => 6.9 )

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