hphp/test/zend/good/ext-standard-array/sort_variation4.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 reference variable array with following flag values
  10  *  flag value as defualt
  11  *  SORT_REGULAR - compare items normally
  12  *  SORT_NUMERIC - compare items numerically
  13 */
  14
  15 echo "*** Testing sort() :usage variations  ***\n";
  16
  17 $value1 = 100;
  18 $value2 = 33;
  19 $value3 = 555;
  20
  21 // an array containing integer references
  22 $unsorted_numerics =  array( &$value1 , &$value2, &$value3);
  23
  24 echo "\n-- Testing sort() by supplying reference variable array, 'flag' value is defualt --\n";
  25 $temp_array = $unsorted_numerics;
  26 var_dump( sort($temp_array) ); // expecting : bool(true)
  27 var_dump( $temp_array);
  28
  29 echo "\n-- Testing sort() by supplying reference variable array, 'flag' = SORT_REGULAR --\n";
  30 $temp_array = &$unsorted_numerics;
  31 var_dump( sort($temp_array, SORT_REGULAR) ); // expecting : bool(true)
  32 var_dump( $temp_array);
  33
  34 echo "\n-- Testing sort() by supplying reference variable array, 'flag' = SORT_NUMERIC --\n";
  35 $temp_array = &$unsorted_numerics;
  36 var_dump( sort($temp_array, SORT_NUMERIC) ); // expecting : bool(true)
  37 var_dump( $temp_array);
  38
  39 echo "Done\n";
  40 ?>