--TEST--
Test array_rand() function : basic functionality - with associative array for 'input' argument 
--FILE--
<?php
/* Prototype  : mixed array_rand(array $input [, int $num_req])
 * Description: Return key/keys for random entry/entries in the array 
 * Source code: ext/standard/array.c
*/

/*
 * Test array_rand() when associative array is passed to 'input' argument
*/

echo "*** Testing array_rand() : with associative array ***\n";


// Initialise the 'input' and 'num_req' variables
$input = array(
  'one' => 1, 'two' => 2, 'three' => 3, 
  'FoUr' => 'four', '#5' => 5, 'SIX' => 'six',
  "seven" => 7, "#8" => "eight", "nine" => "NINE"
);

$num_req = 6;

// Calling array_rand() with optional argument
echo"\n-- with all default and optional arguments --\n";
var_dump( array_rand($input,$num_req) );

// Calling array_rand() with default arguments
echo"\n-- with default argument --\n";
var_dump( array_rand($input) );

echo "Done";
?>
--EXPECTF--
*** Testing array_rand() : with associative array ***

-- with all default and optional arguments --
array(6) {
  [0]=>
  string(%d) "%s"
  [1]=>
  string(%d) "%s"
  [2]=>
  string(%d) "%s"
  [3]=>
  string(%d) "%s"
  [4]=>
  string(%d) "%s"
  [5]=>
  string(%d) "%s"
}

-- with default argument --
string(%d) "%s"
Done