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|
--TEST--
Test rsort() function : usage variations - multi-dimensional arrays
--FILE--
<?php
/* Prototype : bool rsort(array &$array_arg [, int $sort_flags])
* Description: Sort an array in reverse order
* Source code: ext/standard/array.c
*/
/*
* Pass rsort() multi-dimensional arrays to test behaviour
*/
echo "*** Testing rsort() : variation ***\n";
// array of arrays
$various_arrays = array (
// null array
array(),
// array contains null sub array
array( array() ),
// array of arrays along with some values
array(44, 11, array(64, 61) ),
// array containing sub arrays
array(array(33, -5, 6), array(11), array(22, -55), array() )
);
$count = 1;
// loop through to test rsort() with different arrays
foreach ($various_arrays as $array) {
echo "\n-- Iteration $count --\n";
echo "\n-- 'flag' value is default --\n";
$temp_array = $array;
var_dump(rsort($temp_array) );
var_dump($temp_array);
echo "\n-- 'flag' value is SORT_REGULAR --\n";
$temp_array = $array;
var_dump(rsort($temp_array, SORT_REGULAR) );
var_dump($temp_array);
$count++;
}
echo "Done";
?>
--EXPECTF--
*** Testing rsort() : variation ***
-- Iteration 1 --
-- 'flag' value is default --
bool(true)
array(0) {
}
-- 'flag' value is SORT_REGULAR --
bool(true)
array(0) {
}
-- Iteration 2 --
-- 'flag' value is default --
bool(true)
array(1) {
[0]=>
array(0) {
}
}
-- 'flag' value is SORT_REGULAR --
bool(true)
array(1) {
[0]=>
array(0) {
}
}
-- Iteration 3 --
-- 'flag' value is default --
bool(true)
array(3) {
[0]=>
array(2) {
[0]=>
int(64)
[1]=>
int(61)
}
[1]=>
int(44)
[2]=>
int(11)
}
-- 'flag' value is SORT_REGULAR --
bool(true)
array(3) {
[0]=>
array(2) {
[0]=>
int(64)
[1]=>
int(61)
}
[1]=>
int(44)
[2]=>
int(11)
}
-- Iteration 4 --
-- 'flag' value is default --
bool(true)
array(4) {
[0]=>
array(3) {
[0]=>
int(33)
[1]=>
int(-5)
[2]=>
int(6)
}
[1]=>
array(2) {
[0]=>
int(22)
[1]=>
int(-55)
}
[2]=>
array(1) {
[0]=>
int(11)
}
[3]=>
array(0) {
}
}
-- 'flag' value is SORT_REGULAR --
bool(true)
array(4) {
[0]=>
array(3) {
[0]=>
int(33)
[1]=>
int(-5)
[2]=>
int(6)
}
[1]=>
array(2) {
[0]=>
int(22)
[1]=>
int(-55)
}
[2]=>
array(1) {
[0]=>
int(11)
}
[3]=>
array(0) {
}
}
Done
|
