hphp/test/zend/good/ext/standard/tests/array/krsort_variation7.php

   1 <?hh
   2 /* Prototype  : bool krsort ( array &$array [, int $sort_flags] )
   3  * Description: Sort an array by key, maintaining key to data correlation
   4  * Source code: ext/standard/array.c
   5 */
   6
   7 /*
   8  * testing krsort() by providing arrays contains sub arrays for $array argument
   9  * with flowing flag values
  10  *  1.flag  value as defualt
  11  *  2.SORT_REGULAR - compare items normally
  12 */
  13 <<__EntryPoint>> function main(): void {
  14 echo "*** Testing krsort() : usage variations ***\n";
  15
  16 // array with diff sub arrays to be sorted
  17 $various_arrays = array (
  18   // null array
  19   1  => array(),
  20
  21   // array contains null sub array
  22   2 => array( 1 => array() ),
  23
  24   // array of arrays along with some values
  25   3 => array(4 => 44, 1 => 11, 3 => array(64,61) ),
  26
  27   // array contains sub arrays
  28   4 => array ( 3 => array(33,-5,6), 1 => array(11),
  29                2 => array(22,-55), 0  => array() )
  30 );
  31
  32
  33 $count = 1;
  34 echo "\n-- Testing krsort() by supplying various arrays containing sub arrays --\n";
  35
  36 // loop through to test krsort() with different arrays
  37 foreach ($various_arrays as $array) {
  38
  39   echo "\n-- Iteration $count --\n";
  40   echo "- With defualt sort flag -\n";
  41   $temp_array = $array;
  42   var_dump( krsort(&$temp_array) );
  43   var_dump($temp_array);
  44
  45   echo "- Sort flag = SORT_REGULAR -\n";
  46   $temp_array = $array;
  47   var_dump( krsort(&$temp_array, SORT_REGULAR) );
  48   var_dump($temp_array);
  49   $count++;
  50 }
  51
  52 echo "Done\n";
  53 }