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--TEST--
Test asort() function : usage variations - sort array with diff. sub arrays, 'sort_flags' as default/SORT_REGULAR
--FILE--
<?php
/* Prototype : bool asort ( array &$array [, int $sort_flags] )
* Description: Sort an array and maintain index association.
Elements will be arranged from lowest to highest when this function has completed.
* Source code: ext/standard/array.c
*/
/*
* testing asort() by providing arrays contains sub arrays for $array argument with flowing flag values
* flag value as default
* SORT_REGULAR - compare items normally
* Note: arrays are sorted based on total count of elements inside it, when all the elements are arrays
*/
echo "*** Testing asort() : usage variations ***\n";
// array of arrays
$various_arrays = array (
// null array
"array[0]" => array(),
// array contains null sub array
"array[1]" => array( "sub_array[1][0]" => array() ),
// array of arrays along with some values
"array[2]" => array("data[2,0]" => 44, "data[2,1]" => 11, "sub_array[2][0] " => array(64,61) ),
// array contains sub arrays
"array[3]" => array ( "sub_array[3][0]" => array(33,-5,6), "sub_array[3][1]" => array(11),
"sub_array[3][2]" => array(22,-55), "sub_array[3][3]" => array() )
);
$count = 1;
echo "\n-- Testing asort() by supplying various arrays containing sub arrays --\n";
// loop through to test asort() with different arrays
foreach ($various_arrays as $array) {
echo "\n-- Iteration $count --\n";
// testing asort() function by supplying different arrays, flag value is default
echo "- With default sort_flag -\n";
$temp_array = $array;
var_dump(asort($temp_array) );
var_dump($temp_array);
// testing asort() function by supplying different arrays, flag value = SORT_REGULAR
echo "- Sort_flag = SORT_REGULAR -\n";
$temp_array = $array;
var_dump(asort($temp_array, SORT_REGULAR) );
var_dump($temp_array);
$count++;
}
echo "Done\n";
?>
--EXPECTF--
*** Testing asort() : usage variations ***
-- Testing asort() by supplying various arrays containing sub arrays --
-- Iteration 1 --
- With default sort_flag -
bool(true)
array(0) {
}
- Sort_flag = SORT_REGULAR -
bool(true)
array(0) {
}
-- Iteration 2 --
- With default sort_flag -
bool(true)
array(1) {
["sub_array[1][0]"]=>
array(0) {
}
}
- Sort_flag = SORT_REGULAR -
bool(true)
array(1) {
["sub_array[1][0]"]=>
array(0) {
}
}
-- Iteration 3 --
- With default sort_flag -
bool(true)
array(3) {
["data[2,1]"]=>
int(11)
["data[2,0]"]=>
int(44)
["sub_array[2][0] "]=>
array(2) {
[0]=>
int(64)
[1]=>
int(61)
}
}
- Sort_flag = SORT_REGULAR -
bool(true)
array(3) {
["data[2,1]"]=>
int(11)
["data[2,0]"]=>
int(44)
["sub_array[2][0] "]=>
array(2) {
[0]=>
int(64)
[1]=>
int(61)
}
}
-- Iteration 4 --
- With default sort_flag -
bool(true)
array(4) {
["sub_array[3][3]"]=>
array(0) {
}
["sub_array[3][1]"]=>
array(1) {
[0]=>
int(11)
}
["sub_array[3][2]"]=>
array(2) {
[0]=>
int(22)
[1]=>
int(-55)
}
["sub_array[3][0]"]=>
array(3) {
[0]=>
int(33)
[1]=>
int(-5)
[2]=>
int(6)
}
}
- Sort_flag = SORT_REGULAR -
bool(true)
array(4) {
["sub_array[3][3]"]=>
array(0) {
}
["sub_array[3][1]"]=>
array(1) {
[0]=>
int(11)
}
["sub_array[3][2]"]=>
array(2) {
[0]=>
int(22)
[1]=>
int(-55)
}
["sub_array[3][0]"]=>
array(3) {
[0]=>
int(33)
[1]=>
int(-5)
[2]=>
int(6)
}
}
Done
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