hphp/test/zend/good/ext/standard/tests/array/array_multisort_variation8.php

   1 <?hh
   2 /* Prototype  : bool array_multisort(array ar1 [, SORT_ASC|SORT_DESC [, SORT_REGULAR|SORT_NUMERIC|SORT_STRING|SORT_NATURAL|SORT_FLAG_CASE]] [, array ar2 [, SORT_ASC|SORT_DESC [, SORT_REGULAR|SORT_NUMERIC|SORT_STRING|SORT_NATURAL|SORT_FLAG_CASE]], ...])
   3  * Description: Sort multiple arrays at once similar to how ORDER BY clause works in SQL
   4  * Source code: ext/standard/array.c
   5  * Alias to functions:
   6  */
   7
   8 // define some classes
   9 class classWithToString {
  10     public function __toString() {
  11         return "Class A object";
  12     }
  13 }
  14
  15 class classWithoutToString { }
  16
  17 // Define error handler
  18 function test_error_handler($err_no, $err_msg, $filename, $linenum, $vars) {
  19     // We're testing sort order not errors so ignore.
  20 }
  21 <<__EntryPoint>> function main(): void {
  22 echo "*** Testing array_multisort() : usage variation  - test sort order of all types***\n";
  23
  24 set_error_handler(fun('test_error_handler'));
  25
  26 $inputs = array(
  27       'int 0' => 0,
  28       'float -10.5' => -10.5,
  29       array(),
  30       'uppercase NULL' => NULL,
  31       'lowercase true' => true,
  32       'empty string DQ' => "",
  33       'string DQ' => "string",
  34       'instance of classWithToString' => new classWithToString(),
  35       'instance of classWithoutToString' => new classWithoutToString(),
  36       'undefined var' => @$undefined_var,
  37 );
  38
  39 $string = SORT_STRING;
  40 var_dump(array_multisort2(inout $inputs, inout $string));
  41 var_dump($inputs);
  42
  43 echo "===DONE===\n";
  44 }