hphp/test/zend/bad/ext/standard/tests/array/array_intersect_key.php

   1 <?php
   2 $a = array(1, 6, 2, -20, 15, 1200, -2500);
   3 $b = array(0, 7, 2, -20, 11, 1100, -2500);
   4 $c = array(0, 6, 2, -20, 19, 1000, -2500);
   5 $d = array(3, 8,-2, -20, 14,  900, -2600);
   6
   7 $a_f = array_flip($a);
   8 $b_f = array_flip($b);
   9 $c_f = array_flip($c);
  10 $d_f = array_flip($d);
  11
  12 /* give nicer values */
  13 foreach ($a_f as $k=> &$a_f_el) { $a_f_el =$k*2;}
  14 foreach ($b_f as $k=> &$b_f_el) { $b_f_el =$k*2;}
  15 foreach ($c_f as $k=> &$c_f_el) { $c_f_el =$k*2;}
  16 foreach ($d_f as $k=> &$d_f_el) { $d_f_el =$k*2;}
  17
  18 var_dump(array_intersect_key($a_f, $b_f));// keys -> 2, -20, -2500
  19 var_dump(array_intersect_ukey($a_f, $b_f, "comp_func"));// 2, 20, -2500
  20 var_dump(array_intersect_key($a_f, $c_f));// keys -> 6, 2, -20, -2500
  21 var_dump(array_intersect_ukey($a_f, $c_f, "comp_func"));// 6, 2, -20, -2500
  22 var_dump(array_intersect_key($a_f, $d_f));// -20
  23 var_dump(array_intersect_ukey($a_f, $d_f, "comp_func"));// -20
  24
  25 var_dump(array_intersect_key($a_f, $b_f, $c_f));// 2, -20, -2500
  26 var_dump(array_intersect_ukey($a_f, $b_f, $c_f, "comp_func"));// 2, -20, -2500
  27 var_dump(array_intersect_key($a_f, $b_f, $d_f));// -20
  28 var_dump(array_intersect_ukey($a_f, $b_f, $d_f, "comp_func"));// -20
  29
  30 var_dump(array_intersect_key($a_f, $b_f, $c_f, $d_f));// -20
  31 var_dump(array_intersect_ukey($a_f, $b_f, $c_f, $d_f, "comp_func"));//-20
  32
  33
  34 var_dump(array_intersect_key($b_f, $c_f));// 0, 2, -20, -2500
  35 var_dump(array_intersect_ukey($b_f, $c_f, "comp_func"));//0, 2, -20, 2500
  36
  37 var_dump(array_intersect_key($b_f, $d_f));// -20
  38 var_dump(array_intersect_ukey($b_f, $d_f, "comp_func"));// -20
  39
  40 var_dump(array_intersect_key($b_f, $c_f, $d_f));// -20
  41 var_dump(array_intersect_ukey($b_f, $c_f,  $d_f, "comp_func"));// -20
  42
  43
  44 echo "----- Now testing array_intersect() ------- \n";
  45 var_dump(array_intersect($a, $b_f));
  46 var_dump(array_uintersect($a, $b, "comp_func"));
  47 var_dump(array_intersect($a, $b, $c));
  48 var_dump(array_uintersect($a, $b, $c, "comp_func"));
  49 var_dump(array_intersect($a, $b, $c, $d));
  50 var_dump(array_uintersect($a, $b, $c, $d, "comp_func"));
  51
  52 ///////////////////////////////////////////////////////////////////////
  53 function comp_func($a, $b) {
  54         if ($a === $b) return 0;
  55         return ($a > $b)? 1:-1;
  56
  57 }
  58 ?>