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

   1 <?hh
   2 /* Prototype  : bool ksort ( 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 ksort() by providing  array of integer/string values to check the basic functionality with following flag values :
   9  *  1.flag value as defualt
  10  *  2.SORT_REGULAR - compare items normally
  11  *  3.SORT_NUMERIC - compare items numerically
  12  *  4.SORT_STRING - compare items as strings
  13 */
  14 <<__EntryPoint>> function main(): void {
  15 echo "*** Testing ksort() : basic functionality ***\n";
  16
  17 // an array containing unsorted string values with indices
  18 $unsorted_strings =   array(
  19     "l" => "lemon", "o" => "orange",
  20     "O" => "Orange", "O1" => "Orange1", "o2" => "orange2", "O3" => "Orange3", "o20" => "orange20",
  21     "b" => "banana",
  22 );
  23 // an array containing unsorted numeric values with indices
  24 $unsorted_numerics =  array( 100 => 4, 33 => 3, 555 => 2, 22 => 1 );
  25
  26 echo "\n-- Testing ksort() by supplying string array, 'flag' value is defualt --\n";
  27 $temp_array = $unsorted_strings;
  28 var_dump( ksort(inout $temp_array) ); // expecting : bool(true)
  29 var_dump( $temp_array);
  30
  31 echo "\n-- Testing ksort() by supplying numeric array, 'flag' value is defualt --\n";
  32 $temp_array = $unsorted_numerics;
  33 var_dump( ksort(inout $temp_array) ); // expecting : bool(true)
  34 var_dump( $temp_array);
  35
  36 echo "\n-- Testing ksort() by supplying string array, 'flag' = SORT_REGULAR --\n";
  37 $temp_array = $unsorted_strings;
  38 var_dump( ksort(inout $temp_array, SORT_REGULAR) ); // expecting : bool(true)
  39 var_dump( $temp_array);
  40
  41 echo "\n-- Testing ksort() by supplying numeric array, 'flag' = SORT_REGULAR --\n";
  42 $temp_array = $unsorted_numerics;
  43 var_dump( ksort(inout $temp_array, SORT_REGULAR) ); // expecting : bool(true)
  44 var_dump( $temp_array);
  45
  46 echo "\n-- Testing ksort() by supplying string array, 'flag' = SORT_STRING --\n";
  47 $temp_array = $unsorted_strings;
  48 var_dump( ksort(inout $temp_array, SORT_STRING) ); // expecting : bool(true)
  49 var_dump( $temp_array);
  50
  51 echo "\n-- Testing ksort() by supplying string array (case insensitive), 'flag' = SORT_STRING|SORT_FLAG_CASE --\n";
  52 $temp_array = $unsorted_strings;
  53 var_dump( sort(inout $temp_array, SORT_STRING|SORT_FLAG_CASE) ); // expecting : bool(true)
  54 var_dump( $temp_array);
  55
  56 echo "\n-- Testing ksort() by supplying string array (natural), 'flag' = SORT_NATURAL --\n";
  57 $temp_array = $unsorted_strings;
  58 var_dump( sort(inout $temp_array, SORT_NATURAL) ); // expecting : bool(true)
  59 var_dump( $temp_array);
  60
  61 echo "\n-- Testing ksort() by supplying string array (natural, case insensitive), 'flag' = SORT_NATURAL|SORT_FLAG_CASE --\n";
  62 $temp_array = $unsorted_strings;
  63 var_dump( sort(inout $temp_array, SORT_NATURAL|SORT_FLAG_CASE) ); // expecting : bool(true)
  64 var_dump( $temp_array);
  65
  66 echo "\n-- Testing ksort() by supplying numeric array, 'flag' = SORT_NUMERIC --\n";
  67 $temp_array = $unsorted_numerics;
  68 var_dump( ksort(inout $temp_array, SORT_NUMERIC) ); // expecting : bool(true)
  69 var_dump( $temp_array);
  70
  71 echo "Done\n";
  72 }