--TEST--
Test krsort() function : usage variations - sort array with/without key values
--FILE--
<?php
/* Prototype : bool krsort ( array &$array [, int $sort_flags] )
* Description: Sort an array by key in reverse order, maintaining key to data correlation.
* Source code: ext/standard/array.c
*/
/*
* Testing krsort() by providing arrays with/without key values for $array argument
* with following flag values:
* 1.flag value as defualt
* 2.SORT_REGULAR - compare items normally
*/
echo "*** Testing krsort() : usage variations ***\n";
// list of arrays with/without key values
$various_arrays = array (
array(5 => 55, 66, 22, 33, 11),
array ("a" => "orange", "banana", "c" => "apple"),
array(1, 2, 3, 4, 5, 6),
array("first", 5 => "second", 1 => "third"),
array(1, 1, 8 => 1, 4 => 1, 19, 3 => 13),
array('bar' => 'baz', "foo" => 1),
array('a' => 1,'b' => array('e' => 2,'f' => 3),'c' => array('g' => 4),'d' => 5),
);
$count = 1;
echo "\n-- Testing krsort() by supplying various arrays with/without key values --\n";
// loop through to test krsort() with different arrays,
foreach ($various_arrays as $array) {
echo "\n-- Iteration $count --\n";
echo "- With defualt sort flag -\n";
$temp_array = $array;
var_dump( krsort($temp_array) );
var_dump($temp_array);
echo "- Sort flag = SORT_REGULAR -\n";
$temp_array = $array;
var_dump( krsort($temp_array, SORT_REGULAR) );
var_dump($temp_array);
$count++;
}
echo "Done\n";
?>
--EXPECTF--
*** Testing krsort() : usage variations ***
-- Testing krsort() by supplying various arrays with/without key values --
-- Iteration 1 --
- With defualt sort flag -
bool(true)
array(5) {
[9]=>
int(11)
[8]=>
int(33)
[7]=>
int(22)
[6]=>
int(66)
[5]=>
int(55)
}
- Sort flag = SORT_REGULAR -
bool(true)
array(5) {
[9]=>
int(11)
[8]=>
int(33)
[7]=>
int(22)
[6]=>
int(66)
[5]=>
int(55)
}
-- Iteration 2 --
- With defualt sort flag -
bool(true)
array(3) {
["c"]=>
string(5) "apple"
[0]=>
string(6) "banana"
["a"]=>
string(6) "orange"
}
- Sort flag = SORT_REGULAR -
bool(true)
array(3) {
["c"]=>
string(5) "apple"
[0]=>
string(6) "banana"
["a"]=>
string(6) "orange"
}
-- Iteration 3 --
- With defualt sort flag -
bool(true)
array(6) {
[5]=>
int(6)
[4]=>
int(5)
[3]=>
int(4)
[2]=>
int(3)
[1]=>
int(2)
[0]=>
int(1)
}
- Sort flag = SORT_REGULAR -
bool(true)
array(6) {
[5]=>
int(6)
[4]=>
int(5)
[3]=>
int(4)
[2]=>
int(3)
[1]=>
int(2)
[0]=>
int(1)
}
-- Iteration 4 --
- With defualt sort flag -
bool(true)
array(3) {
[5]=>
string(6) "second"
[1]=>
string(5) "third"
[0]=>
string(5) "first"
}
- Sort flag = SORT_REGULAR -
bool(true)
array(3) {
[5]=>
string(6) "second"
[1]=>
string(5) "third"
[0]=>
string(5) "first"
}
-- Iteration 5 --
- With defualt sort flag -
bool(true)
array(6) {
[9]=>
int(19)
[8]=>
int(1)
[4]=>
int(1)
[3]=>
int(13)
[1]=>
int(1)
[0]=>
int(1)
}
- Sort flag = SORT_REGULAR -
bool(true)
array(6) {
[9]=>
int(19)
[8]=>
int(1)
[4]=>
int(1)
[3]=>
int(13)
[1]=>
int(1)
[0]=>
int(1)
}
-- Iteration 6 --
- With defualt sort flag -
bool(true)
array(2) {
["foo"]=>
int(1)
["bar"]=>
string(3) "baz"
}
- Sort flag = SORT_REGULAR -
bool(true)
array(2) {
["foo"]=>
int(1)
["bar"]=>
string(3) "baz"
}
-- Iteration 7 --
- With defualt sort flag -
bool(true)
array(4) {
["d"]=>
int(5)
["c"]=>
array(1) {
["g"]=>
int(4)
}
["b"]=>
array(2) {
["e"]=>
int(2)
["f"]=>
int(3)
}
["a"]=>
int(1)
}
- Sort flag = SORT_REGULAR -
bool(true)
array(4) {
["d"]=>
int(5)
["c"]=>
array(1) {
["g"]=>
int(4)
}
["b"]=>
array(2) {
["e"]=>
int(2)
["f"]=>
int(3)
}
["a"]=>
int(1)
}
Done
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