1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62
|
--TEST--
Test rsort() function : usage variations - referenced variables
--FILE--
<?php
/* Prototype : bool rsort(array &$array_arg [, int $sort_flags])
* Description: Sort an array in reverse order
* Source code: ext/standard/array.c
*/
/*
* Test behaviour of rsort() when:
* 1. passed an array of referenced variables
* 2. $array_arg is a reference to another array
* 3. $array_arg is passed by reference
*/
echo "*** Testing rsort() : variation ***\n";
$value1 = 100;
$value2 = 33;
$value3 = 555;
// an array containing integer references
$unsorted_numerics = array( &$value1 , &$value2, &$value3);
echo "\n-- 'flag' value is defualt --\n";
$temp_array = $unsorted_numerics;
var_dump( rsort($temp_array) );
var_dump( $temp_array);
echo "\n-- 'flag' = SORT_REGULAR --\n";
$temp_array = &$unsorted_numerics;
var_dump( rsort($temp_array, SORT_REGULAR) );
var_dump( $temp_array);
echo "Done";
?>
--EXPECTF--
*** Testing rsort() : variation ***
-- 'flag' value is defualt --
bool(true)
array(3) {
[0]=>
&int(555)
[1]=>
&int(100)
[2]=>
&int(33)
}
-- 'flag' = SORT_REGULAR --
bool(true)
array(3) {
[0]=>
&int(555)
[1]=>
&int(100)
[2]=>
&int(33)
}
Done
|