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--TEST--
Test krsort() function : usage variations - sort strings
--SKIPIF--
<?php
if (substr(PHP_OS, 0, 3) == 'WIN') {
die("skip Output tested contains chars that are not shown the same on windows concole (ESC and co)");
}
--FILE--
<?php
/* Prototype : bool krsort ( array &$array [, int $sort_flags] )
* Description: Sort an array by key in reverse order, maintaining key to data correlation
* Source code: ext/standard/array.c
*/
/*
* testing krsort() by providing array of string values for $array argument with
* following flag values:
* 1.flag value as defualt
* 2.SORT_REGULAR - compare items normally
* 3.SORT_STRING - compare items as strings
*/
echo "*** Testing krsort() : usage variations ***\n";
$various_arrays = array (
// diff. escape sequence chars with key values
array ( null => null, NULL => NULL, "\a" => "\a", "\cx" => "\cx", "\e" => "\e",
"\f" => "\f", "\n" =>"\n", "\r" => "\r", "\t" => "\t", "\xhh" => "\xhh",
"\ddd" => "\ddd", "\v" => "\v"
),
// array containing different strings with key values
array ( 'Lemon' => "lemoN", 'o' => "Orange", 'B' => "banana", 'Apple' => "apple", 'te' => "Test",
't' => "TTTT", 'T' => "ttt", 'W' => "ww", 'X' => "x", 'x' => "X", 'O' => "oraNGe",
'B' => "BANANA"
)
);
$flags = array("SORT_REGULAR" => SORT_REGULAR, "SORT_STRING" => SORT_STRING);
$count = 1;
echo "\n-- Testing krsort() by supplying various string arrays --\n";
// loop through to test krsort() with different arrays
foreach ($various_arrays as $array) {
echo "\n-- Iteration $count --\n";
echo "- With defualt sort flag -\n";
$temp_array = $array;
var_dump(krsort($temp_array) ); // expecting : bool(true)
var_dump($temp_array);
// loop through $flags array and call krsort() with all possible sort flag values
foreach($flags as $key => $flag){
echo "- Sort flag = $key -\n";
$temp_array = $array;
var_dump(krsort($temp_array, $flag) ); // expecting : bool(true)
var_dump($temp_array);
}
$count++;
}
echo "Done\n";
?>
--EXPECTF--
*** Testing krsort() : usage variations ***
-- Testing krsort() by supplying various string arrays --
-- Iteration 1 --
- With defualt sort flag -
bool(true)
array(11) {
["\xhh"]=>
string(4) "\xhh"
["\ddd"]=>
string(4) "\ddd"
["\cx"]=>
string(3) "\cx"
["\a"]=>
string(2) "\a"
[""]=>
string(1) ""
["
"]=>
string(1) "
"
[""]=>
string(1) ""
[""]=>
string(1) ""
["
"]=>
string(1) "
"
[" "]=>
string(1) " "
[""]=>
NULL
}
- Sort flag = SORT_REGULAR -
bool(true)
array(11) {
["\xhh"]=>
string(4) "\xhh"
["\ddd"]=>
string(4) "\ddd"
["\cx"]=>
string(3) "\cx"
["\a"]=>
string(2) "\a"
[""]=>
string(1) ""
["
"]=>
string(1) "
"
[""]=>
string(1) ""
[""]=>
string(1) ""
["
"]=>
string(1) "
"
[" "]=>
string(1) " "
[""]=>
NULL
}
- Sort flag = SORT_STRING -
bool(true)
array(11) {
["\xhh"]=>
string(4) "\xhh"
["\ddd"]=>
string(4) "\ddd"
["\cx"]=>
string(3) "\cx"
["\a"]=>
string(2) "\a"
[""]=>
string(1) ""
["
"]=>
string(1) "
"
[""]=>
string(1) ""
[""]=>
string(1) ""
["
"]=>
string(1) "
"
[" "]=>
string(1) " "
[""]=>
NULL
}
-- Iteration 2 --
- With defualt sort flag -
bool(true)
array(11) {
["x"]=>
string(1) "X"
["te"]=>
string(4) "Test"
["t"]=>
string(4) "TTTT"
["o"]=>
string(6) "Orange"
["X"]=>
string(1) "x"
["W"]=>
string(2) "ww"
["T"]=>
string(3) "ttt"
["O"]=>
string(6) "oraNGe"
["Lemon"]=>
string(5) "lemoN"
["B"]=>
string(6) "BANANA"
["Apple"]=>
string(5) "apple"
}
- Sort flag = SORT_REGULAR -
bool(true)
array(11) {
["x"]=>
string(1) "X"
["te"]=>
string(4) "Test"
["t"]=>
string(4) "TTTT"
["o"]=>
string(6) "Orange"
["X"]=>
string(1) "x"
["W"]=>
string(2) "ww"
["T"]=>
string(3) "ttt"
["O"]=>
string(6) "oraNGe"
["Lemon"]=>
string(5) "lemoN"
["B"]=>
string(6) "BANANA"
["Apple"]=>
string(5) "apple"
}
- Sort flag = SORT_STRING -
bool(true)
array(11) {
["x"]=>
string(1) "X"
["te"]=>
string(4) "Test"
["t"]=>
string(4) "TTTT"
["o"]=>
string(6) "Orange"
["X"]=>
string(1) "x"
["W"]=>
string(2) "ww"
["T"]=>
string(3) "ttt"
["O"]=>
string(6) "oraNGe"
["Lemon"]=>
string(5) "lemoN"
["B"]=>
string(6) "BANANA"
["Apple"]=>
string(5) "apple"
}
Done