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--TEST--
Test sort() function : usage variations - sort array with diff. sub arrays, 'sort_flags' as defualt/SORT_REGULAR
--FILE--
<?php
/* Prototype : bool sort ( array &$array [, int $sort_flags] )
* Description: This function sorts an array.
Elements will be arranged from lowest to highest when this function has completed.
* Source code: ext/standard/array.c
*/
/*
* testing sort() by providing arrays contains sub arrays for $array argument with flowing flag values
* flag value as defualt
* SORT_REGULAR - compare items normally
*/
echo "*** Testing sort() : usage variations ***\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() )
);
$count = 1;
echo "\n-- Testing sort() by supplying various arrays containing sub arrays --\n";
// loop through to test sort() with different arrays
foreach ($various_arrays as $array) {
echo "\n-- Iteration $count --\n";
// testing sort() function by supplying different arrays, flag value is defualt
echo "- With Defualt sort flag -\n";
$temp_array = $array;
var_dump(sort($temp_array) );
var_dump($temp_array);
// testing sort() function by supplying different arrays, flag value = SORT_REGULAR
echo "- Sort flag = SORT_REGULAR -\n";
$temp_array = $array;
var_dump(sort($temp_array, SORT_REGULAR) );
var_dump($temp_array);
$count++;
}
echo "Done\n";
?>
--EXPECTF--
*** Testing sort() : usage variations ***
-- Testing sort() 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) {
[0]=>
array(0) {
}
}
- Sort flag = SORT_REGULAR -
bool(true)
array(1) {
[0]=>
array(0) {
}
}
-- Iteration 3 --
- With Defualt sort flag -
bool(true)
array(3) {
[0]=>
int(11)
[1]=>
int(44)
[2]=>
array(2) {
[0]=>
int(64)
[1]=>
int(61)
}
}
- Sort flag = SORT_REGULAR -
bool(true)
array(3) {
[0]=>
int(11)
[1]=>
int(44)
[2]=>
array(2) {
[0]=>
int(64)
[1]=>
int(61)
}
}
-- 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