hphp/test/zend/bad/ext/standard/tests/array/array_change_key_case_variation2.php

   1 <?php
   2 /* Prototype  : array array_change_key_case(array $input [, int $case])
   3  * Description: Retuns an array with all string keys lowercased [or uppercased]
   4  * Source code: ext/standard/array.c
   5  */
   6
   7 /*
   8  * Pass different data types as $case argument to array_change_key_case() to test behaviour
   9  * Where possible, CASE_UPPER has been entered as a string value
  10  */
  11
  12 echo "*** Testing array_change_key_case() : usage variations ***\n";
  13
  14 // Initialise function arguments not being substituted
  15 $array = array ('one' => 1, 'TWO' => 2, 'Three' => 3);
  16
  17 //get an unset variable
  18 $unset_var = 10;
  19 unset ($unset_var);
  20
  21 // heredoc string
  22 $heredoc = <<<EOT
  23 CASE_UPPER
  24 EOT;
  25
  26 // get a resource variable
  27 $fp = fopen(__FILE__, "r");
  28
  29 // unexpected values to be passed to $case argument
  30 $inputs = array(
  31
  32        // int data
  33 /*1*/  0,
  34        1,
  35        12345,
  36        -2345,
  37
  38        // float data
  39 /*5*/  10.5,
  40        -10.5,
  41        12.3456789000e10,
  42        12.3456789000E-10,
  43        .5,
  44
  45        // null data
  46 /*10*/ NULL,
  47        null,
  48
  49        // boolean data
  50 /*12*/ true,
  51        false,
  52        TRUE,
  53        FALSE,
  54
  55        // empty data
  56 /*16*/ "",
  57        '',
  58        array(),
  59
  60        // string data
  61 /*19*/ "CASE_UPPER",
  62        'CASE_UPPER',
  63        $heredoc,
  64
  65        // undefined data
  66 /*22*/ @$undefined_var,
  67
  68        // unset data
  69 /*23*/ @$unset_var,
  70 );
  71
  72 // loop through each element of $inputs to check the behavior of array_change_key_case()
  73 $iterator = 1;
  74 foreach($inputs as $input) {
  75   echo "\n-- Iteration $iterator --\n";
  76   var_dump( array_change_key_case($array, $input) );
  77   $iterator++;
  78 };
  79
  80 echo "Done";
  81 ?>