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run code in 150+ php & hhvm versions
Bugs & Features
<?php $packed = pack('V',PHP_INT_MAX); var_dump(PHP_INT_MAX,$packed); //echo unpack('i', $packed)[1];
Output for 4.4.0 - 4.4.9, 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(9223372036854775807) string(4) "����"
Output for 5.1.0
<br /> <b>Fatal error</b>: fatal flex scanner internal error--end of buffer missed in <b>/in/vsttC</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
string(11) "PHP_INT_MAX" string(4) ""