hphp/test/zend/good/ext/standard/tests/array/array_intersect_variation1.php

   1 <?hh
   2 /* Prototype  : array array_intersect(array $arr1, array $arr2 [, array $...])
   3  * Description: Returns the entries of arr1 that have values which are present in all the other arguments
   4  * Source code: ext/standard/array.c
   5 */
   6
   7 /*
   8 * Testing array_intersect() function by passing values to $arr1 argument other than arrays
   9 * and see that function emits proper warning messages wherever expected.
  10 * The $arr2 argument is a fixed array.
  11 */
  12
  13 // get a class
  14 class classA
  15 {
  16   public function __toString() {
  17     return "Class A object";
  18   }
  19 }
  20 <<__EntryPoint>> function main(): void {
  21 echo "*** Testing array_intersect() : Passing non-array values to \$arr1 argument ***\n";
  22
  23 // array to be passsed to $arr2 as default argument
  24 $arr2 = varray[1, 2];
  25
  26 // array to be passed to optional argument
  27 $arr3 = darray[0 => 1, 1 => 2, "one" => 1, "two" => 2];
  28
  29 // get an unset variable
  30 $unset_var = 10;
  31 unset ($unset_var);
  32
  33 // heredoc string
  34 $heredoc = <<<EOT
  35 hello world
  36 EOT;
  37
  38 // get a resource variable
  39 $fp = fopen(__FILE__, "r");
  40
  41 // unexpected values to be passed to $arr1 argument
  42 $arrays = varray[
  43
  44        // int data
  45 /*1*/  0,
  46        1,
  47        12345,
  48        -2345,
  49
  50        // float data
  51 /*5*/  10.5,
  52        -10.5,
  53        12.3456789000e10,
  54        12.3456789000E-10,
  55        .5,
  56
  57        // null data
  58 /*10*/ NULL,
  59        null,
  60
  61        // boolean data
  62 /*12*/ true,
  63        false,
  64        TRUE,
  65        FALSE,
  66
  67        // empty data
  68 /*16*/ "",
  69        '',
  70
  71        // string data
  72 /*18*/ "string",
  73        'string',
  74        $heredoc,
  75
  76        // object data
  77 /*21*/ new classA(),
  78
  79        // undefined data
  80 /*22*/ @$undefined_var,
  81
  82        // unset data
  83 /*23*/ @$unset_var,
  84
  85        // resource variable
  86 /*24*/ $fp
  87 ];
  88
  89 // loop through each sub-array within $arrrays to check the behavior of array_intersect()
  90 $iterator = 1;
  91 foreach($arrays as $unexpected_value) {
  92   echo "\n-- Iterator $iterator --";
  93
  94   // Calling array_intersect() with default arguments
  95   var_dump( array_intersect($unexpected_value,$arr2) );
  96
  97   // Calling array_intersect() with more arguments
  98   var_dump( array_intersect($unexpected_value, $arr2, $arr3) );
  99   $iterator++;
 100 }
 101
 102 // close the file resource used
 103 fclose($fp);
 104
 105 echo "Done";
 106 }