hphp/test/slow/ext_array/range.php

   1 <?hh
   2
   3
   4 <<__EntryPoint>>
   5 function main_range() {
   6 $ret = range(0, 12);
   7 var_dump(count($ret));
   8 var_dump($ret[0]);
   9 var_dump($ret[12]);
  10
  11 // The step parameter was introduced in 5.0.0
  12 $ret = range(0, 100, 10);
  13 var_dump(count($ret));
  14 var_dump($ret[0]);
  15 var_dump($ret[5]);
  16 var_dump($ret[10]);
  17
  18 // Use of character sequences introduced in 4.1.0
  19 // array("a", "b", "c", "d", "e", "f", "g", "h", "i");
  20 $ret = range("a", "i");
  21 var_dump(count($ret));
  22 var_dump($ret[0]);
  23 var_dump($ret[4]);
  24 var_dump($ret[8]);
  25
  26 var_dump(range("c", "a"));
  27
  28 var_dump(range(1.0, 3.0));
  29 var_dump(range(3.0, 1.0));
  30
  31 // test large range boundaries. Old versions of php and HHVM internally
  32 // converted range boundaries to floating point numbers, which could couse
  33 // precision loss.
  34 var_dump(range(-9223372036854775298, -9223372036854775294));
  35 var_dump(range('-9223372036854775298', '-9223372036854775294'));
  36 var_dump(range(1<<55, (1<<55) + 20, 10));
  37
  38 // verify, floating point boundaries do not need to infinite loop
  39 $ret = range(-9223372036854775298.0, -9223372036854775294.0);
  40 var_dump(gettype($ret));
  41 var_dump(count($ret) >= 1024);
  42 $ret = range('-9223372036854775298.0', '-9223372036854775294.0');
  43 var_dump(gettype($ret));
  44 var_dump(count($ret) >= 1024);
  45 }