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|
--TEST--
Test asort() function : usage variations - sort integer/float values
--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 different integer/float value arrays for $array argument with following values
* 1. flag value as defualt
* 2. SORT_REGULAR - compare items normally
* 3. SORT_NUMERIC - compare items numerically
*/
echo "*** Testing asort() : usage variations ***\n";
// group of various arrays with indices
$various_arrays = array(
// negative/posative integer array
array(1 => 11, 2 => -11, 3 => 21, 4 => -21, 5 => 31, 6 => -31, 7 => 0, 8 => 41, 10 =>-41),
// float value array
array(1 => 10.5, 2 => -10.5, 3 => 10.5e2, 4 => 10.6E-2, 5 => .5, 6 => .0001, 7 => -.1),
// mixed value array
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),
// array values contains minimum and maximum ranges
array(1 => 2147483647, 2 => 2147483648, 3 => -2147483647, 4 => -2147483648, 5 => -0, 6 => 0, 7 => -2147483649)
);
// set of possible flag values
$flag_value = array("SORT_REGULAR" => SORT_REGULAR, "SORT_NUMERIC" => SORT_NUMERIC);
$count = 1;
echo "\n-- Testing asort() by supplying various integer/float arrays --\n";
// loop through to test asort() with different arrays
foreach ($various_arrays as $array) {
echo "\n-- Iteration $count --\n";
echo "- With default sort_flag -\n";
$temp_array = $array;
var_dump(asort($temp_array) );
var_dump($temp_array);
// loop through $flag_value array and setting all possible flag values
foreach($flag_value as $key => $flag){
echo "- Sort_flag = $key -\n";
$temp_array = $array;
var_dump(asort($temp_array, $flag) );
var_dump($temp_array);
}
$count++;
}
echo "Done\n";
?>
--EXPECTF--
*** Testing asort() : usage variations ***
-- Testing asort() by supplying various integer/float arrays --
-- Iteration 1 --
- With default sort_flag -
bool(true)
array(9) {
[10]=>
int(-41)
[6]=>
int(-31)
[4]=>
int(-21)
[2]=>
int(-11)
[7]=>
int(0)
[1]=>
int(11)
[3]=>
int(21)
[5]=>
int(31)
[8]=>
int(41)
}
- Sort_flag = SORT_REGULAR -
bool(true)
array(9) {
[10]=>
int(-41)
[6]=>
int(-31)
[4]=>
int(-21)
[2]=>
int(-11)
[7]=>
int(0)
[1]=>
int(11)
[3]=>
int(21)
[5]=>
int(31)
[8]=>
int(41)
}
- Sort_flag = SORT_NUMERIC -
bool(true)
array(9) {
[10]=>
int(-41)
[6]=>
int(-31)
[4]=>
int(-21)
[2]=>
int(-11)
[7]=>
int(0)
[1]=>
int(11)
[3]=>
int(21)
[5]=>
int(31)
[8]=>
int(41)
}
-- Iteration 2 --
- With default sort_flag -
bool(true)
array(7) {
[2]=>
float(-10.5)
[7]=>
float(-0.1)
[6]=>
float(0.0001)
[4]=>
float(0.106)
[5]=>
float(0.5)
[1]=>
float(10.5)
[3]=>
float(1050)
}
- Sort_flag = SORT_REGULAR -
bool(true)
array(7) {
[2]=>
float(-10.5)
[7]=>
float(-0.1)
[6]=>
float(0.0001)
[4]=>
float(0.106)
[5]=>
float(0.5)
[1]=>
float(10.5)
[3]=>
float(1050)
}
- Sort_flag = SORT_NUMERIC -
bool(true)
array(7) {
[2]=>
float(-10.5)
[7]=>
float(-0.1)
[6]=>
float(0.0001)
[4]=>
float(0.106)
[5]=>
float(0.5)
[1]=>
float(10.5)
[3]=>
float(1050)
}
-- Iteration 3 --
- With default sort_flag -
bool(true)
array(11) {
[4]=>
int(-1)
[8]=>
float(-0.9)
[10]=>
float(-0.106)
[3]=>
float(-0.01)
[5]=>
int(0)
[1]=>
float(0.0001)
[2]=>
float(0.0021)
[6]=>
float(0.09)
[9]=>
float(0.106)
[7]=>
int(2)
[11]=>
int(33)
}
- Sort_flag = SORT_REGULAR -
bool(true)
array(11) {
[4]=>
int(-1)
[8]=>
float(-0.9)
[10]=>
float(-0.106)
[3]=>
float(-0.01)
[5]=>
int(0)
[1]=>
float(0.0001)
[2]=>
float(0.0021)
[6]=>
float(0.09)
[9]=>
float(0.106)
[7]=>
int(2)
[11]=>
int(33)
}
- Sort_flag = SORT_NUMERIC -
bool(true)
array(11) {
[4]=>
int(-1)
[8]=>
float(-0.9)
[10]=>
float(-0.106)
[3]=>
float(-0.01)
[5]=>
int(0)
[1]=>
float(0.0001)
[2]=>
float(0.0021)
[6]=>
float(0.09)
[9]=>
float(0.106)
[7]=>
int(2)
[11]=>
int(33)
}
-- Iteration 4 --
- With default sort_flag -
bool(true)
array(7) {
[7]=>
%s(-2147483649)
[4]=>
%s(-2147483648)
[3]=>
int(-2147483647)
[5]=>
int(0)
[6]=>
int(0)
[1]=>
int(2147483647)
[2]=>
%s(2147483648)
}
- Sort_flag = SORT_REGULAR -
bool(true)
array(7) {
[7]=>
%s(-2147483649)
[4]=>
%s(-2147483648)
[3]=>
int(-2147483647)
[5]=>
int(0)
[6]=>
int(0)
[1]=>
int(2147483647)
[2]=>
%s(2147483648)
}
- Sort_flag = SORT_NUMERIC -
bool(true)
array(7) {
[7]=>
%s(-2147483649)
[4]=>
%s(-2147483648)
[3]=>
int(-2147483647)
[5]=>
int(0)
[6]=>
int(0)
[1]=>
int(2147483647)
[2]=>
%s(2147483648)
}
Done
|
