1--TEST-- 2Test shuffle() function : basic functionality - with associative array 3--FILE-- 4<?php 5/* 6* Test behaviour of shuffle when an associative array is 7* passed to the 'array_arg' argument and check for the 8* changes in the input array by printing the input array 9* before and after shuffle() function is applied on it 10*/ 11 12echo "*** Testing shuffle() : with associative array ***\n"; 13 14// Initialise the associative array 15$array_arg = array( 16 'one' => 1, 2 => 02, 'three' => 3, 17 4 => 4, '#5' => 5, 'SIX' => 6, 18 "seven" => 0x7, "#8" => 012, "nine" => 9 19); 20 21// printing the input array before the shuffle operation 22echo "\n-- input array before shuffle() function is applied --\n"; 23var_dump( $array_arg ); 24 25// applying shuffle() function on the input array 26echo "\n-- return value from shuffle() function --\n"; 27var_dump( shuffle($array_arg) ); // prints the return value from shuffle() function 28 29echo "\n-- resultant array after shuffle() function is applied --\n"; 30var_dump( $array_arg ); 31 32echo "Done"; 33?> 34--EXPECTF-- 35*** Testing shuffle() : with associative array *** 36 37-- input array before shuffle() function is applied -- 38array(9) { 39 ["one"]=> 40 int(1) 41 [2]=> 42 int(2) 43 ["three"]=> 44 int(3) 45 [4]=> 46 int(4) 47 ["#5"]=> 48 int(5) 49 ["SIX"]=> 50 int(6) 51 ["seven"]=> 52 int(7) 53 ["#8"]=> 54 int(10) 55 ["nine"]=> 56 int(9) 57} 58 59-- return value from shuffle() function -- 60bool(true) 61 62-- resultant array after shuffle() function is applied -- 63array(9) { 64 [0]=> 65 int(%d) 66 [1]=> 67 int(%d) 68 [2]=> 69 int(%d) 70 [3]=> 71 int(%d) 72 [4]=> 73 int(%d) 74 [5]=> 75 int(%d) 76 [6]=> 77 int(%d) 78 [7]=> 79 int(%d) 80 [8]=> 81 int(%d) 82} 83Done 84