hphp/test/zend/bad/ext/standard/tests/array/sort_variation2.php

   1 <?php
   2 /* Prototype  : bool sort(array &array_arg [, int $sort_flags])
   3  * Description: Sort an array
   4  * Source code: ext/standard/array.c
   5 */
   6
   7 /*
   8  * Testing sort() by providing different unexpected values for flag argument
   9 */
  10
  11 echo "*** Testing sort() : usage variations ***\n";
  12
  13 //get an unset variable
  14 $unset_var = 10;
  15 unset ($unset_var);
  16
  17 // resource variable
  18 $fp = fopen(__FILE__, "r");
  19
  20 // temperory array for checking unexpected behavior
  21 $unsorted_values = array(10, 2, 45);
  22
  23 //array of values to iterate over
  24 $unexpected_values = array(
  25
  26        // int data
  27 /*1*/  -2345,
  28
  29        // float data
  30 /*2*/  10.5,
  31        -10.5,
  32        10.5e2,
  33        10.6E-2,
  34        .5,
  35
  36        // null data
  37 /*7*/  NULL,
  38        null,
  39
  40        // boolean data
  41 /*9*/  true,
  42        false,
  43        TRUE,
  44        FALSE,
  45
  46        // empty data
  47 /*13*/ "",
  48        '',
  49
  50        // string data
  51 /*15*/ "string",
  52        'string',
  53
  54        // object data
  55 /*16*/ new stdclass(),
  56
  57        // undefined data
  58 /*17*/ @undefined_var,
  59
  60        // unset data
  61 /*18*/ @unset_var,
  62
  63        // resource variable
  64 /*19*/ $fp
  65
  66 );
  67
  68 // loop though each element of the array and check the working of sort()
  69 // when $flag argument is supplied with different values
  70 echo "\n-- Testing sort() by supplying different unexpected values for 'flag' argument --\n";
  71
  72 $counter = 1;
  73 for($index = 0; $index < count($unexpected_values); $index ++) {
  74   echo "-- Iteration $counter --\n";
  75
  76   // sort the array, retain a temp. copy of input array for next iteration
  77   $value = $unexpected_values [$index];
  78   $temp_array = $unsorted_values;
  79   var_dump( sort($temp_array, $value) );
  80
  81   //dump the sorted array
  82   var_dump($temp_array);
  83   $counter++;
  84 }
  85
  86 echo "Done";
  87 ?>