3v4l.org

run code in 300+ PHP versions simultaneously
<?php $source = mb_convert_encoding('test', "UTF-16BE", "utf-8"); $source = unpack('C*', $source); var_dump($source);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(8) { [1]=> int(0) [2]=> int(116) [3]=> int(0) [4]=> int(101) [5]=> int(0) [6]=> int(115) [7]=> int(0) [8]=> int(116) }

preferences:
265.44 ms | 406 KiB | 459 Q