--TEST--
Test shuffle() function : usage variation - arrays with diff types of values
--FILE--
<?php
/* Prototype  : bool shuffle(array $array_arg)
 * Description: Randomly shuffle the contents of an array 
 * Source code: ext/standard/array.c
*/

/*
* Test behaviour of shuffle() function when arrays having different
* types of values, are passed to 'array_arg' argument
*/

echo "*** Testing shuffle() : arrays with diff types of values ***\n";

// initialise different arrays
$array_arg = array(
       // array with positive int values
/*1*/  array(0, 1, 2, 2147483647 ),

       // array with negative int values
       array(-1, -2, -2147483647 ),

       // array with positive float values
/*3*/  array(0.23, 1.34, 0e2, 200e-2, 30e2, 10e0, 2147473648.90),

       // array with negative float values
       array(-0.23, -1.34, -200e-2, -30e2, -10e0, -2147473649.80),

       // array with single quoted and double quoted strings
/*5*/  array('one', "123numbers", 'hello\tworld', "hello world\0", '12.34floatnum'),

       // array with bool values
       array(true, TRUE, FALSE, false),

       // array with positive hexa values
/*7*/  array(0x123, 0xabc, 0xABC, 0xac, 0xAb1, 0x9fa),

       // array with negative hexa values
       array(-0x123, -0xabc, -0xABC, -0xAb1, -0x9fa),

       // array with positive octal values
/*9*/  array(0123, 02348, 034, 00),

       // array with negative octal values
/*10*/ array(-0123, -02348, -034),

);

// looping to test shuffle() with each sub-array in the $array_arg array
echo "\n*** Testing shuffle() with arrays having different types of values ***\n";
$counter = 1;
foreach($array_arg as $arr) {
  echo "\n-- Iteration $counter --\n";
  var_dump( shuffle($arr) );  
  echo "\nThe output array is:\n";
  var_dump( $arr ); 
  $counter++;
}

echo "Done";
?>
--EXPECTF--
*** Testing shuffle() : arrays with diff types of values ***

*** Testing shuffle() with arrays having different types of values ***

-- Iteration 1 --
bool(true)

The output array is:
array(4) {
  [0]=>
  int(%d)
  [1]=>
  int(%d)
  [2]=>
  int(%d)
  [3]=>
  int(%d)
}

-- Iteration 2 --
bool(true)

The output array is:
array(3) {
  [0]=>
  int(-%d)
  [1]=>
  int(-%d)
  [2]=>
  int(-%d)
}

-- Iteration 3 --
bool(true)

The output array is:
array(7) {
  [0]=>
  float(%f)
  [1]=>
  float(%f)
  [2]=>
  float(%f)
  [3]=>
  float(%f)
  [4]=>
  float(%f)
  [5]=>
  float(%f)
  [6]=>
  float(%f)
}

-- Iteration 4 --
bool(true)

The output array is:
array(6) {
  [0]=>
  float(-%f)
  [1]=>
  float(-%f)
  [2]=>
  float(-%f)
  [3]=>
  float(-%f)
  [4]=>
  float(-%f)
  [5]=>
  float(-%f)
}

-- Iteration 5 --
bool(true)

The output array is:
array(5) {
  [0]=>
  string(%d) "%s"
  [1]=>
  string(%d) "%s"
  [2]=>
  string(%d) "%s"
  [3]=>
  string(%d) "%s"
  [4]=>
  string(%d) "%s"
}

-- Iteration 6 --
bool(true)

The output array is:
array(4) {
  [0]=>
  bool(%s)
  [1]=>
  bool(%s)
  [2]=>
  bool(%s)
  [3]=>
  bool(%s)
}

-- Iteration 7 --
bool(true)

The output array is:
array(6) {
  [0]=>
  int(%d)
  [1]=>
  int(%d)
  [2]=>
  int(%d)
  [3]=>
  int(%d)
  [4]=>
  int(%d)
  [5]=>
  int(%d)
}

-- Iteration 8 --
bool(true)

The output array is:
array(5) {
  [0]=>
  int(-%d)
  [1]=>
  int(-%d)
  [2]=>
  int(-%d)
  [3]=>
  int(-%d)
  [4]=>
  int(-%d)
}

-- Iteration 9 --
bool(true)

The output array is:
array(4) {
  [0]=>
  int(%d)
  [1]=>
  int(%d)
  [2]=>
  int(%d)
  [3]=>
  int(%d)
}

-- Iteration 10 --
bool(true)

The output array is:
array(3) {
  [0]=>
  int(-%d)
  [1]=>
  int(-%d)
  [2]=>
  int(-%d)
}
Done