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--TEST--
Test ksort() function : basic functionality
--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 integer/string values to check the basic functionality with following flag values :
* 1.flag value as defualt
* 2.SORT_REGULAR - compare items normally
* 3.SORT_NUMERIC - compare items numerically
* 4.SORT_STRING - compare items as strings
*/
echo "*** Testing ksort() : basic functionality ***\n";
// an array containing unsorted string values with indices
$unsorted_strings = array( "lemon" => "l", "orange" => "o", "banana" => "b" );
// an array containing unsorted numeric values with indices
$unsorted_numerics = array( 100 => 4, 33 => 3, 555 => 2, 22 => 1 );
echo "\n-- Testing ksort() by supplying string array, 'flag' value is defualt --\n";
$temp_array = $unsorted_strings;
var_dump( ksort($temp_array) ); // expecting : bool(true)
var_dump( $temp_array);
echo "\n-- Testing ksort() by supplying numeric array, 'flag' value is defualt --\n";
$temp_array = $unsorted_numerics;
var_dump( ksort($temp_array) ); // expecting : bool(true)
var_dump( $temp_array);
echo "\n-- Testing ksort() by supplying string array, 'flag' = SORT_REGULAR --\n";
$temp_array = $unsorted_strings;
var_dump( ksort($temp_array, SORT_REGULAR) ); // expecting : bool(true)
var_dump( $temp_array);
echo "\n-- Testing ksort() by supplying numeric array, 'flag' = SORT_REGULAR --\n";
$temp_array = $unsorted_numerics;
var_dump( ksort($temp_array, SORT_REGULAR) ); // expecting : bool(true)
var_dump( $temp_array);
echo "\n-- Testing ksort() by supplying string array, 'flag' = SORT_STRING --\n";
$temp_array = $unsorted_strings;
var_dump( ksort($temp_array, SORT_STRING) ); // expecting : bool(true)
var_dump( $temp_array);
echo "\n-- Testing ksort() by supplying numeric array, 'flag' = SORT_NUMERIC --\n";
$temp_array = $unsorted_numerics;
var_dump( ksort($temp_array, SORT_NUMERIC) ); // expecting : bool(true)
var_dump( $temp_array);
echo "Done\n";
?>
--EXPECTF--
*** Testing ksort() : basic functionality ***
-- Testing ksort() by supplying string array, 'flag' value is defualt --
bool(true)
array(3) {
["banana"]=>
string(1) "b"
["lemon"]=>
string(1) "l"
["orange"]=>
string(1) "o"
}
-- Testing ksort() by supplying numeric array, 'flag' value is defualt --
bool(true)
array(4) {
[22]=>
int(1)
[33]=>
int(3)
[100]=>
int(4)
[555]=>
int(2)
}
-- Testing ksort() by supplying string array, 'flag' = SORT_REGULAR --
bool(true)
array(3) {
["banana"]=>
string(1) "b"
["lemon"]=>
string(1) "l"
["orange"]=>
string(1) "o"
}
-- Testing ksort() by supplying numeric array, 'flag' = SORT_REGULAR --
bool(true)
array(4) {
[22]=>
int(1)
[33]=>
int(3)
[100]=>
int(4)
[555]=>
int(2)
}
-- Testing ksort() by supplying string array, 'flag' = SORT_STRING --
bool(true)
array(3) {
["banana"]=>
string(1) "b"
["lemon"]=>
string(1) "l"
["orange"]=>
string(1) "o"
}
-- Testing ksort() by supplying numeric array, 'flag' = SORT_NUMERIC --
bool(true)
array(4) {
[22]=>
int(1)
[33]=>
int(3)
[100]=>
int(4)
[555]=>
int(2)
}
Done
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