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run code in 150+ php & hhvm versions
Bugs & Features
<?php $packed = pack('h*', dechex(15)); // $packed = str_pad($packed, 64, "\x00", STR_PAD_RIGHT); $v = unpack('h*', $packed); $v = hexdec($v[1]); var_dump($packed); var_dump($v); var_dump(15);
Output for 4.3.5 - 4.3.9, 4.3.11 - 4.4.1, 4.4.3 - 5.0.2, 5.0.5 - 5.1.1, 5.1.3 - 7.1.0
string(1) "" int(240) int(15)
Output for 4.4.2, 5.1.2
string(1) "" int(3840) int(15)
Output for 4.3.10, 5.0.3 - 5.0.4
Warning: unpack(): Type h: outside of string in /in/OCGIt on line 4 string(1) "" int(240) int(15)
Output for 4.3.0 - 4.3.4
Notice: Undefined offset: 1 in /in/OCGIt on line 5 string(1) "" int(0) int(15)