--TEST--
Test shuffle() function : basic functionality - with associative array
--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 when an associative array is
* passed to the 'array_arg' argument and check for the
* changes in the input array by printing the input array
* before and after shuffle() function is applied on it
*/
echo "*** Testing shuffle() : with associative array ***\n";
// Initialise the associative array
$array_arg = array(
'one' => 1, 2 => 02, 'three' => 3,
4 => 4, '#5' => 5, 'SIX' => 6,
"seven" => 0x7, "#8" => 012, "nine" => 9
);
// printing the input array before the shuffle operation
echo "\n-- input array before shuffle() function is applied --\n";
var_dump( $array_arg );
// applying shuffle() function on the input array
echo "\n-- return value from shuffle() function --\n";
var_dump( shuffle($array_arg) ); // prints the return value from shuffle() function
echo "\n-- resultant array after shuffle() function is applied --\n";
var_dump( $array_arg );
echo "Done";
?>
--EXPECTF--
*** Testing shuffle() : with associative array ***
-- input array before shuffle() function is applied --
array(9) {
["one"]=>
int(1)
[2]=>
int(2)
["three"]=>
int(3)
[4]=>
int(4)
["#5"]=>
int(5)
["SIX"]=>
int(6)
["seven"]=>
int(7)
["#8"]=>
int(10)
["nine"]=>
int(9)
}
-- return value from shuffle() function --
bool(true)
-- resultant array after shuffle() function is applied --
array(9) {
[0]=>
int(%d)
[1]=>
int(%d)
[2]=>
int(%d)
[3]=>
int(%d)
[4]=>
int(%d)
[5]=>
int(%d)
[6]=>
int(%d)
[7]=>
int(%d)
[8]=>
int(%d)
}
Done
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