hphp/test/zend/good/ext/standard/tests/array/array_rand_basic2.php

   1 <?hh
   2 /* Prototype  : mixed array_rand(array $input [, int $num_req])
   3  * Description: Return key/keys for random entry/entries in the array
   4  * Source code: ext/standard/array.c
   5 */
   6
   7 /*
   8  * Test array_rand() when associative array is passed to 'input' argument
   9 */
  10 <<__EntryPoint>> function main(): void {
  11 echo "*** Testing array_rand() : with associative array ***\n";
  12
  13
  14 // Initialise the 'input' and 'num_req' variables
  15 $input = array(
  16   'one' => 1, 'two' => 2, 'three' => 3,
  17   'FoUr' => 'four', '#5' => 5, 'SIX' => 'six',
  18   "seven" => 7, "#8" => "eight", "nine" => "NINE"
  19 );
  20
  21 $num_req = 6;
  22
  23 // Calling array_rand() with optional argument
  24 echo"\n-- with all default and optional arguments --\n";
  25 var_dump( array_rand($input,$num_req) );
  26
  27 // Calling array_rand() with default arguments
  28 echo"\n-- with default argument --\n";
  29 var_dump( array_rand($input) );
  30
  31 echo "Done";
  32 }