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--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