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--TEST--
Test ksort() function : usage variations - sort hexadecimal 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 hexa-decimal 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";
// an array containng unsorted hexadecimal values with keys
// There are multiple keys which are duplicate and the later should be picked
$unsorted_hex_array = array (
0x1AB => 0x1AB, 0xFFF => 0xFFF, 0xF => 0xF, 0xFF => 0xFF, 0x2AA => 0x2AA, 0xBB => 0xBB,
0x1ab => 0x1ab, 0xff => 0xff, -0xff => -0xFF, 0 => 0, -0x2aa => -0x2aa
);
echo "\n-- Testing ksort() by supplying hexadecimal value array, 'flag' value is defualt --\n";
$temp_array = $unsorted_hex_array;
var_dump(ksort( $temp_array) ); // expecting : bool(true)
var_dump($temp_array);
echo "\n-- Testing ksort() by supplying hexadecimal value array, 'flag' value is SORT_REGULAR --\n";
$temp_array = $unsorted_hex_array;
var_dump(ksort( $temp_array, SORT_REGULAR) ); // expecting : bool(true)
var_dump($temp_array);
echo "\n-- Testing ksort() by supplying hexadecimal value array, 'flag' value is SORT_NUMERIC --\n";
$temp_array = $unsorted_hex_array;
var_dump(ksort( $temp_array, SORT_NUMERIC) ); // expecting : bool(true)
var_dump($temp_array);
echo "Done\n";
?>
--EXPECT--
*** Testing ksort() : usage variations ***
-- Testing ksort() by supplying hexadecimal value array, 'flag' value is defualt --
bool(true)
array(9) {
[-682]=>
int(-682)
[-255]=>
int(-255)
[0]=>
int(0)
[15]=>
int(15)
[187]=>
int(187)
[255]=>
int(255)
[427]=>
int(427)
[682]=>
int(682)
[4095]=>
int(4095)
}
-- Testing ksort() by supplying hexadecimal value array, 'flag' value is SORT_REGULAR --
bool(true)
array(9) {
[-682]=>
int(-682)
[-255]=>
int(-255)
[0]=>
int(0)
[15]=>
int(15)
[187]=>
int(187)
[255]=>
int(255)
[427]=>
int(427)
[682]=>
int(682)
[4095]=>
int(4095)
}
-- Testing ksort() by supplying hexadecimal value array, 'flag' value is SORT_NUMERIC --
bool(true)
array(9) {
[-682]=>
int(-682)
[-255]=>
int(-255)
[0]=>
int(0)
[15]=>
int(15)
[187]=>
int(187)
[255]=>
int(255)
[427]=>
int(427)
[682]=>
int(682)
[4095]=>
int(4095)
}
Done
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