hphp/test/zend/good/ext-standard-array/array_unique_variation1.php

   1 <?php
   2 /* Prototype  : array array_unique(array $input)
   3  * Description: Removes duplicate values from array
   4  * Source code: ext/standard/array.c
   5 */
   6
   7 /*
   8  * Passing non array values to 'input' argument of array_unique() and see
   9  * that the function outputs proper warning messages wherever expected.
  10 */
  11
  12 echo "*** Testing array_unique() : Passing non array values to \$input argument ***\n";
  13
  14 //get an unset variable
  15 $unset_var = 10;
  16 unset($unset_var);
  17
  18 // get a class
  19 class classA
  20 {
  21   public function __toString() {
  22     return "Class A object";
  23   }
  24 }
  25
  26 // heredoc string
  27 $heredoc = <<<EOT
  28 hello world
  29 EOT;
  30
  31 // get a resource variable
  32 $fp = fopen(__FILE__, "r");
  33
  34 // unexpected values to be passed to $input argument
  35 $inputs = array (
  36
  37        // int data
  38 /*1*/  0,
  39        1,
  40        12345,
  41        -2345,
  42
  43        // float data
  44 /*5*/  10.5,
  45        -10.5,
  46        12.3456789000e10,
  47        12.3456789000E-10,
  48        .5,
  49
  50        // null data
  51 /*10*/ NULL,
  52        null,
  53
  54        // boolean data
  55 /*12*/ true,
  56        false,
  57        TRUE,
  58        FALSE,
  59
  60        // empty data
  61 /*16*/ "",
  62        '',
  63
  64        // string data
  65 /*18*/ "string",
  66        'string',
  67        $heredoc,
  68
  69        // object data
  70 /*21*/ new classA(),
  71
  72        // undefined data
  73 /*22*/ @$undefined_var,
  74
  75        // unset data
  76 /*23*/ @$unset_var,
  77
  78        // resource variable
  79 /*24*/ $fp
  80 );
  81
  82 // loop through each element of $inputs and check the behavior of array_unique()
  83 $iterator = 1;
  84 foreach($inputs as $input) {
  85   echo "-- Iteration $iterator --\n";
  86   var_dump( array_unique($input) );
  87   $iterator++;
  88 }
  89
  90 fclose($fp);
  91
  92 echo "Done";
  93 ?>