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run code in 150+ php & hhvm versions
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<?php $arr = array('1,24, 5', 4, '88, 12, 19, 6'); $data = preg_split('/,\s*/', implode(',', $arr)); var_dump($data);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(8) { [0]=> string(1) "1" [1]=> string(2) "24" [2]=> string(1) "5" [3]=> string(1) "4" [4]=> string(2) "88" [5]=> string(2) "12" [6]=> string(2) "19" [7]=> string(1) "6" }