hphp/test/quick/unpack.php

   1 <?hh
   2
   3 // 32-bit
   4 var_dump(unpack("V", "\xFF\xFF\xFF\xFF"));
   5 var_dump(unpack("N", "\xFF\xFF\xFF\xFF"));
   6 var_dump(unpack("l", pack("l", -1)));
   7 var_dump(unpack("V", pack("V", -1)));
   8
   9 // 64-bit
  10 var_dump(unpack("P", "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"));
  11 var_dump(unpack("J", "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"));
  12 var_dump(unpack("q", pack("q", -1)));
  13 var_dump(unpack("P", pack("P", -1)));
  14
  15 // Machine-Dependent
  16 var_dump(unpack("i", "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"));
  17 var_dump(unpack("I", "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"));
  18 var_dump(unpack("i", pack("i", -1)));
  19 var_dump(unpack("I", pack("I", -1)));