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|
--TEST--
Test ksort() function : usage variations - sort integer/float values
--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 array of integer/float/mixed values for $array argument
* with following flag values:
* 1. flag value as defualt
* 2. SORT_REGULAR - compare items normally
* 3. SORT_NUMERIC - compare items numerically
*/
echo "*** Testing ksort() : usage variations ***\n";
// diff. associative arrays to sort
$various_arrays = array(
// negative/posative integer key value array
array(1 => 11, -2 => -11, 3 => 21, -4 => -21, 5 => 31, -6 => -31, 7 => 0, 8 => 41, -10 =>-41),
// float key values
array(1.0 => 10.5, 0.2 => -10.5, 3.1 => 10.5e2, 4 => 10.6E-2, .5 => .5, 6 => .0001, -7 => -.1),
// mixed value array with different types of keys
array(1 => .0001, 2 => .0021, -3 => -.01, 4 => -1, 5 => 0, 6 => .09, 7 => 2, -8 => -.9,
9 => 10.6E-2, -10 => -10.6E-2, 11 => 33)
);
// set of possible flag values
$flags = array("SORT_REGULAR" => SORT_REGULAR, "SORT_NUMERIC" => SORT_NUMERIC);
$count = 1;
echo "\n-- Testing ksort() by supplying various integer/float arrays --\n";
// loop through to test ksort() with different arrays
foreach ($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);
// loop through $flags array and call ksort() with all possible sort flag values
foreach($flags as $key => $flag){
echo "- Sort flag = $key -\n";
$temp_array = $array;
var_dump(ksort($temp_array, $flag) );
var_dump($temp_array);
}
$count++;
}
echo "Done\n";
?>
--EXPECTF--
*** Testing ksort() : usage variations ***
-- Testing ksort() by supplying various integer/float arrays --
-- Iteration 1 --
- With defualt sort flag -
bool(true)
array(9) {
[-10]=>
int(-41)
[-6]=>
int(-31)
[-4]=>
int(-21)
[-2]=>
int(-11)
[1]=>
int(11)
[3]=>
int(21)
[5]=>
int(31)
[7]=>
int(0)
[8]=>
int(41)
}
- Sort flag = SORT_REGULAR -
bool(true)
array(9) {
[-10]=>
int(-41)
[-6]=>
int(-31)
[-4]=>
int(-21)
[-2]=>
int(-11)
[1]=>
int(11)
[3]=>
int(21)
[5]=>
int(31)
[7]=>
int(0)
[8]=>
int(41)
}
- Sort flag = SORT_NUMERIC -
bool(true)
array(9) {
[-10]=>
int(-41)
[-6]=>
int(-31)
[-4]=>
int(-21)
[-2]=>
int(-11)
[1]=>
int(11)
[3]=>
int(21)
[5]=>
int(31)
[7]=>
int(0)
[8]=>
int(41)
}
-- Iteration 2 --
- With defualt sort flag -
bool(true)
array(6) {
[-7]=>
float(-0.1)
[0]=>
float(0.5)
[1]=>
float(10.5)
[3]=>
float(1050)
[4]=>
float(0.106)
[6]=>
float(0.0001)
}
- Sort flag = SORT_REGULAR -
bool(true)
array(6) {
[-7]=>
float(-0.1)
[0]=>
float(0.5)
[1]=>
float(10.5)
[3]=>
float(1050)
[4]=>
float(0.106)
[6]=>
float(0.0001)
}
- Sort flag = SORT_NUMERIC -
bool(true)
array(6) {
[-7]=>
float(-0.1)
[0]=>
float(0.5)
[1]=>
float(10.5)
[3]=>
float(1050)
[4]=>
float(0.106)
[6]=>
float(0.0001)
}
-- Iteration 3 --
- With defualt sort flag -
bool(true)
array(11) {
[-10]=>
float(-0.106)
[-8]=>
float(-0.9)
[-3]=>
float(-0.01)
[1]=>
float(0.0001)
[2]=>
float(0.0021)
[4]=>
int(-1)
[5]=>
int(0)
[6]=>
float(0.09)
[7]=>
int(2)
[9]=>
float(0.106)
[11]=>
int(33)
}
- Sort flag = SORT_REGULAR -
bool(true)
array(11) {
[-10]=>
float(-0.106)
[-8]=>
float(-0.9)
[-3]=>
float(-0.01)
[1]=>
float(0.0001)
[2]=>
float(0.0021)
[4]=>
int(-1)
[5]=>
int(0)
[6]=>
float(0.09)
[7]=>
int(2)
[9]=>
float(0.106)
[11]=>
int(33)
}
- Sort flag = SORT_NUMERIC -
bool(true)
array(11) {
[-10]=>
float(-0.106)
[-8]=>
float(-0.9)
[-3]=>
float(-0.01)
[1]=>
float(0.0001)
[2]=>
float(0.0021)
[4]=>
int(-1)
[5]=>
int(0)
[6]=>
float(0.09)
[7]=>
int(2)
[9]=>
float(0.106)
[11]=>
int(33)
}
Done
|
