hphp/test/zend/good/ext-standard-array/sort_variation3.php

   1 <?php
   2 /* Prototype  : bool sort ( array &$array [, int $sort_flags] )
   3  * Description: This function sorts an array.
   4                 Elements will be arranged from lowest to highest when this function has completed.
   5  * Source code: ext/standard/array.c
   6 */
   7
   8 /*
   9  * Testing sort() by providing different integer/float value arrays for $array argument
  10  * with following flag values
  11  * 1. flag  value as defualt
  12  * 2. SORT_REGULAR - compare items normally
  13  * 3. SORT_NUMERIC - compare items numerically
  14  * 4. SORT_STRING - compare items as strings
  15 */
  16
  17 echo "*** Testing sort() : usage variations ***\n";
  18
  19 // group of various arrays
  20 $various_arrays = array (
  21   // negative/posative integers array
  22   array(11, -11, 21, -21, 31, -31, 0, 41, -41),
  23
  24   // float value array
  25   array(10.5, -10.5, 10.5e2, 10.6E-2, .5, .01, -.1),
  26
  27   // mixed value array
  28   array(.0001, .0021, -.01, -1, 0, .09, 2, -.9, 10.6E-2, -10.6E-2, 33),
  29
  30   // array values contains minimum and maximum ranges
  31   array(2147483647, 2147483648, -2147483647, -2147483648, -0, 0, -2147483649)
  32 );
  33
  34 // set of possible flag values
  35 $flag_value = array("SORT_REGULAR" => SORT_REGULAR, "SORT_NUMERIC" => SORT_NUMERIC);
  36
  37 $count = 1;
  38 echo "\n-- Testing sort() by supplying various integer/float arrays --\n";
  39
  40 // loop through to test sort() with different arrays
  41 foreach ($various_arrays as $array) {
  42   echo "\n-- Iteration $count --\n";
  43
  44   echo "- With Defualt sort flag -\n";
  45   $temp_array = $array;
  46   var_dump(sort($temp_array) );
  47   var_dump($temp_array);
  48
  49   // loop through $flag_value array and setting all possible flag values
  50   foreach($flag_value as $key => $flag){
  51     echo "- Sort flag = $key -\n";
  52     $temp_array = $array;
  53     var_dump(sort($temp_array, $flag) );
  54     var_dump($temp_array);
  55   }
  56   $count++;
  57 }
  58
  59 echo "Done\n";
  60 ?>