hphp/test/slow/ext_array/array_filter_flag.php

   1 <?hh
   2
   3
   4 // --------------------------------
   5 // Arrays
   6 // --------------------------------
   7
   8 <<__EntryPoint>>
   9 function main_array_filter_flag() {
  10 $a = array('x' => 10, 'y' => 20);
  11
  12 array_filter($a, ($v, $k) ==> {
  13   var_dump($k);
  14   var_dump($v);
  15 }, ARRAY_FILTER_USE_BOTH);
  16
  17 array_filter($a, $k ==> {
  18   var_dump($k);
  19 }, ARRAY_FILTER_USE_KEY);
  20
  21 array_filter($a, $v ==> {
  22   var_dump($v);
  23 }); // default to value
  24
  25 array_filter($a, $v ==> {
  26   var_dump($v);
  27 }, 3); // unknown use is defaulted to value
  28
  29 // --------------------------------
  30 // KeyedTraversable
  31 // --------------------------------
  32
  33 $m = Map {'x' => 10, 'y' => 20};
  34 var_dump($m is KeyedTraversable);
  35
  36 array_filter($m, ($v, $k) ==> {
  37   var_dump($k);
  38   var_dump($v);
  39 }, ARRAY_FILTER_USE_BOTH);
  40
  41 array_filter($m, $k ==> {
  42   var_dump($k);
  43 }, ARRAY_FILTER_USE_KEY);
  44
  45 array_filter($m, $v ==> {
  46   var_dump($v);
  47 }); // default to value
  48
  49 array_filter($m, $v ==> {
  50   var_dump($v);
  51 }, 3); // unknown use is defaulted to value
  52 }