hphp/test/zend/good/ext/standard/tests/array/array_diff_variation4.php

   1 <?hh
   2 /* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
   3  * Description: Returns the entries of $arr1 that have values which are not
   4  * present in any of the others arguments.
   5  * Source code: ext/standard/array.c
   6  */
   7
   8 /*
   9  * Test how array_diff() compares indexed arrays containing different
  10  * data types as values in place of $arr2
  11  */
  12 <<__EntryPoint>> function main(): void {
  13 echo "*** Testing array_diff() : usage variations ***\n";
  14
  15 // Initialise function arguments not being substituted (if any)
  16 $array = array(1, 2);
  17
  18 //get an unset variable
  19 $unset_var = 10;
  20 unset ($unset_var);
  21
  22 //get heredoc
  23 $heredoc = <<<END
  24 This is a heredoc
  25 END;
  26
  27 //array of values to iterate over
  28 $values = array(
  29
  30 /*1*/"empty array" => array(),
  31
  32 /*2*/
  33 "int" => array(
  34       // int data
  35       0,
  36       1,
  37       12345,
  38       -2345),
  39
  40 /*3*/
  41 "float" => array(
  42       // float data
  43        10.5,
  44        -10.5,
  45        12.3456789000e10,
  46        12.3456789000E-10,
  47        .5),
  48
  49 /*4*/
  50 "null" => array(
  51       // null data
  52       NULL,
  53       null),
  54
  55 /*5*/
  56 "boolean" => array(
  57       // boolean data
  58       true,
  59       false,
  60       TRUE,
  61       FALSE),
  62
  63 /*6*/
  64 "empty" => array(
  65       // empty data
  66       "",
  67       ''),
  68
  69 /*7*/
  70 "string" => array(
  71       // string data
  72       "string",
  73       'string',
  74       $heredoc),
  75
  76 /*8*/
  77 "binary" => array(
  78        // binary data
  79        b"binary",
  80        (binary)"binary"),
  81
  82 /*9*/
  83 "undefined" => array(
  84       // undefined data
  85       @$undefined_var),
  86
  87 /*10*/
  88 "unset" => array(
  89       // unset data
  90       @$unset_var)
  91 );
  92
  93 // loop through each element of the array for $arr2
  94 $iterator = 1;
  95 foreach($values as $value) {
  96       echo "\n Iteration: $iterator \n";
  97       var_dump( array_diff($array, $value) );
  98       $iterator++;
  99 };
 100
 101 echo "Done";
 102 }