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run code in 150+ php & hhvm versions
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<?php var_dump(pack('H*', '0154D694E31595C96FCE6051B4F03AC20422C07B6C733CF8585BA00D3DF589E2'));
Output for 4.3.0 - 7.1.0
string(32) "T֔���o�`Q��:�"�{ls<�X[� =���"