3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function getFormattedData() { $data = '@@'; return call_user_func_array( 'sprintf', array_merge( array(str_repeat('%08b', strlen($data))), array_values(unpack('C*', $data)) ) ); } echo getFormattedData();
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0100000001000000