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|
--TEST--
Test ksort() function : usage variations - sort array with diff. sub arrays
--FILE--
<?php
/* Prototype : bool ksort ( array &$array [, int $sort_flags] )
* Description: Sort an array by key, maintaining key to data correlation
* Source code: ext/standard/array.c
*/
/*
* testing ksort() by providing arrays containing sub arrays for $array argument
* with flowing flag values:
* 1. flag value as defualt
* 2. SORT_REGULAR - compare items normally
*/
echo "*** Testing ksort() : usage variations ***\n";
// array with diff sub arrays to be sorted
$various_arrays = array (
// null array
1 => array(),
// array contains null sub array
2 => array( 1 => array() ),
// array of arrays along with some values
3 => array(4 => 44, 1 => 11, 3 => array(64,61) ),
// array contains sub arrays
4 => array ( 3 => array(33,-5,6), 1 => array(11),
2 => array(22,-55), 0 => array() )
);
$count = 1;
echo "\n-- Testing ksort() by supplying various arrays containing sub arrays --\n";
// loop through to test ksort() with different arrays
foreach ($various_arrays as $array) {
echo "\n-- Iteration $count --\n";
echo "- With defualt sort flag -\n";
$temp_array = $array;
var_dump( ksort($temp_array) );
var_dump($temp_array);
echo "- Sort flag = SORT_REGULAR -\n";
$temp_array = $array;
var_dump( ksort($temp_array, SORT_REGULAR) );
var_dump($temp_array);
$count++;
}
echo "Done\n";
?>
--EXPECTF--
*** Testing ksort() : usage variations ***
-- Testing ksort() by supplying various arrays containing sub arrays --
-- Iteration 1 --
- With defualt sort flag -
bool(true)
array(0) {
}
- Sort flag = SORT_REGULAR -
bool(true)
array(0) {
}
-- Iteration 2 --
- With defualt sort flag -
bool(true)
array(1) {
[1]=>
array(0) {
}
}
- Sort flag = SORT_REGULAR -
bool(true)
array(1) {
[1]=>
array(0) {
}
}
-- Iteration 3 --
- With defualt sort flag -
bool(true)
array(3) {
[1]=>
int(11)
[3]=>
array(2) {
[0]=>
int(64)
[1]=>
int(61)
}
[4]=>
int(44)
}
- Sort flag = SORT_REGULAR -
bool(true)
array(3) {
[1]=>
int(11)
[3]=>
array(2) {
[0]=>
int(64)
[1]=>
int(61)
}
[4]=>
int(44)
}
-- Iteration 4 --
- With defualt sort flag -
bool(true)
array(4) {
[0]=>
array(0) {
}
[1]=>
array(1) {
[0]=>
int(11)
}
[2]=>
array(2) {
[0]=>
int(22)
[1]=>
int(-55)
}
[3]=>
array(3) {
[0]=>
int(33)
[1]=>
int(-5)
[2]=>
int(6)
}
}
- Sort flag = SORT_REGULAR -
bool(true)
array(4) {
[0]=>
array(0) {
}
[1]=>
array(1) {
[0]=>
int(11)
}
[2]=>
array(2) {
[0]=>
int(22)
[1]=>
int(-55)
}
[3]=>
array(3) {
[0]=>
int(33)
[1]=>
int(-5)
[2]=>
int(6)
}
}
Done
|
