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archived-php-src/ext/standard/tests/array/array_change_key_case.phpt

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--TEST--
Test array_change_key_case() function
--FILE--
<?php
/* Prototype: array array_change_key_case ( array $input [, int $case] )
Description: Changes the keys in the input array to be all lowercase
or uppercase. The change depends on the last optional case parameter.
You can pass two constants there, CASE_UPPER and CASE_LOWER(default).
The function will leave number indices as is.
*/
$arrays = array (
array (),
array (0),
array (1),
array (-1),
array (0, 2, 3, 4, 5),
array (1, 2, 3, 4, 5),
array ("" => 1),
array ("a" => 1),
array ("Z" => 1),
array ("one" => 1),
array ("ONE" => 1),
array ("OnE" => 1),
array ("oNe" => 1),
array ("one" => 1, "two" => 2),
array ("ONE" => 1, "two" => 2),
array ("OnE" => 1, "two" => 2),
array ("oNe" => 1, "two" => 2),
array ("one" => 1, "TWO" => 2),
array ("ONE" => 1, "TWO" => 2),
array ("OnE" => 1, "TWO" => 2),
array ("oNe" => 1, "TWO" => 2),
array ("one" => 1, "TwO" => 2),
array ("ONE" => 1, "TwO" => 2),
array ("OnE" => 1, "TwO" => 2),
array ("oNe" => 1, "TwO" => 2),
array ("one" => 1, "tWo" => 2),
array ("ONE" => 1, "tWo" => 2),
array ("OnE" => 1, "tWo" => 2),
array ("oNe" => 1, "tWo" => 2),
array ("one" => 1, 2),
array ("ONE" => 1, 2),
array ("OnE" => 1, 2),
array ("oNe" => 1, 2),
array ("ONE" => 1, "TWO" => 2, "THREE" => 3, "FOUR" => "four"),
array ("one" => 1, "two" => 2, "three" => 3, "four" => "FOUR"),
array ("ONE" => 1, "TWO" => 2, "three" => 3, "four" => "FOUR"),
array ("one" => 1, "two" => 2, "THREE" => 3, "FOUR" => "four")
);
echo "*** Testing basic operations ***\n";
$loop_counter = 1;
foreach ($arrays as $item) {
echo "** Iteration $loop_counter **\n"; $loop_counter++;
var_dump(array_change_key_case($item));
var_dump(array_change_key_case($item, CASE_UPPER));
var_dump(array_change_key_case($item, CASE_LOWER));
echo "\n";
}
echo "\n*** Testing possible variations ***\n";
$int_var = -19;
$item = array ("one" => 1, "two" => 2, "THREE" => 3, "FOUR" => "four");
/* use 'case' argument other than CASE_LOWER & CASE_UPPER */
var_dump(array_change_key_case($item, "CASE_UPPER"));
var_dump(array_change_key_case($item, 5));
/* when keys are different in terms of only case */
/* should return one value key pair with key being in lowercase */
var_dump( array_change_key_case( array("ONE" => 1, "one" => 3, "One" => 4) ) );
var_dump( array_change_key_case( array("ONE" => 1, "one" => 6, "One" => 5), "CASE_UPPER" ) );
/* should return one value key pair with key being in uppercase */
var_dump( array_change_key_case( array("ONE" => 1, "one" => 2, "One" => 3), CASE_UPPER ) );
var_dump( array_change_key_case( array("ONE" => 1, "one" => 1, "One" => 2), 5 ) );
echo "\n*** Testing error conditions ***\n";
/* generate different failure conditions */
var_dump( array_change_key_case($int_var) ); // args less than expected
var_dump( array_change_key_case($int_var, CASE_UPPER) ); // invalid first argument
var_dump( array_change_key_case() ); // Zero argument
var_dump( array_change_key_case($item, $item["one"], "CASE_UPPER") ); // more than expected numbers
echo "end\n";
?>
--EXPECTF--
*** Testing basic operations ***
** Iteration 1 **
array(0) {
}
array(0) {
}
array(0) {
}
** Iteration 2 **
array(1) {
[0]=>
int(0)
}
array(1) {
[0]=>
int(0)
}
array(1) {
[0]=>
int(0)
}
** Iteration 3 **
array(1) {
[0]=>
int(1)
}
array(1) {
[0]=>
int(1)
}
array(1) {
[0]=>
int(1)
}
** Iteration 4 **
array(1) {
[0]=>
int(-1)
}
array(1) {
[0]=>
int(-1)
}
array(1) {
[0]=>
int(-1)
}
** Iteration 5 **
array(5) {
[0]=>
int(0)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
[4]=>
int(5)
}
array(5) {
[0]=>
int(0)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
[4]=>
int(5)
}
array(5) {
[0]=>
int(0)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
[4]=>
int(5)
}
** Iteration 6 **
array(5) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
[4]=>
int(5)
}
array(5) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
[4]=>
int(5)
}
array(5) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
[4]=>
int(5)
}
** Iteration 7 **
array(1) {
[""]=>
int(1)
}
array(1) {
[""]=>
int(1)
}
array(1) {
[""]=>
int(1)
}
** Iteration 8 **
array(1) {
["a"]=>
int(1)
}
array(1) {
["A"]=>
int(1)
}
array(1) {
["a"]=>
int(1)
}
** Iteration 9 **
array(1) {
["z"]=>
int(1)
}
array(1) {
["Z"]=>
int(1)
}
array(1) {
["z"]=>
int(1)
}
** Iteration 10 **
array(1) {
["one"]=>
int(1)
}
array(1) {
["ONE"]=>
int(1)
}
array(1) {
["one"]=>
int(1)
}
** Iteration 11 **
array(1) {
["one"]=>
int(1)
}
array(1) {
["ONE"]=>
int(1)
}
array(1) {
["one"]=>
int(1)
}
** Iteration 12 **
array(1) {
["one"]=>
int(1)
}
array(1) {
["ONE"]=>
int(1)
}
array(1) {
["one"]=>
int(1)
}
** Iteration 13 **
array(1) {
["one"]=>
int(1)
}
array(1) {
["ONE"]=>
int(1)
}
array(1) {
["one"]=>
int(1)
}
** Iteration 14 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 15 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 16 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 17 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 18 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 19 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 20 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 21 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 22 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 23 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 24 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 25 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 26 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 27 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 28 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 29 **
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
** Iteration 30 **
array(2) {
["one"]=>
int(1)
[0]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
[0]=>
int(2)
}
array(2) {
["one"]=>
int(1)
[0]=>
int(2)
}
** Iteration 31 **
array(2) {
["one"]=>
int(1)
[0]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
[0]=>
int(2)
}
array(2) {
["one"]=>
int(1)
[0]=>
int(2)
}
** Iteration 32 **
array(2) {
["one"]=>
int(1)
[0]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
[0]=>
int(2)
}
array(2) {
["one"]=>
int(1)
[0]=>
int(2)
}
** Iteration 33 **
array(2) {
["one"]=>
int(1)
[0]=>
int(2)
}
array(2) {
["ONE"]=>
int(1)
[0]=>
int(2)
}
array(2) {
["one"]=>
int(1)
[0]=>
int(2)
}
** Iteration 34 **
array(4) {
["one"]=>
int(1)
["two"]=>
int(2)
["three"]=>
int(3)
["four"]=>
string(4) "four"
}
array(4) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
["THREE"]=>
int(3)
["FOUR"]=>
string(4) "four"
}
array(4) {
["one"]=>
int(1)
["two"]=>
int(2)
["three"]=>
int(3)
["four"]=>
string(4) "four"
}
** Iteration 35 **
array(4) {
["one"]=>
int(1)
["two"]=>
int(2)
["three"]=>
int(3)
["four"]=>
string(4) "FOUR"
}
array(4) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
["THREE"]=>
int(3)
["FOUR"]=>
string(4) "FOUR"
}
array(4) {
["one"]=>
int(1)
["two"]=>
int(2)
["three"]=>
int(3)
["four"]=>
string(4) "FOUR"
}
** Iteration 36 **
array(4) {
["one"]=>
int(1)
["two"]=>
int(2)
["three"]=>
int(3)
["four"]=>
string(4) "FOUR"
}
array(4) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
["THREE"]=>
int(3)
["FOUR"]=>
string(4) "FOUR"
}
array(4) {
["one"]=>
int(1)
["two"]=>
int(2)
["three"]=>
int(3)
["four"]=>
string(4) "FOUR"
}
** Iteration 37 **
array(4) {
["one"]=>
int(1)
["two"]=>
int(2)
["three"]=>
int(3)
["four"]=>
string(4) "four"
}
array(4) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
["THREE"]=>
int(3)
["FOUR"]=>
string(4) "four"
}
array(4) {
["one"]=>
int(1)
["two"]=>
int(2)
["three"]=>
int(3)
["four"]=>
string(4) "four"
}
*** Testing possible variations ***
array(4) {
["one"]=>
int(1)
["two"]=>
int(2)
["three"]=>
int(3)
["four"]=>
string(4) "four"
}
array(4) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
["THREE"]=>
int(3)
["FOUR"]=>
string(4) "four"
}
array(1) {
["one"]=>
int(4)
}
array(1) {
["one"]=>
int(5)
}
array(1) {
["ONE"]=>
int(3)
}
array(1) {
["ONE"]=>
int(2)
}
*** Testing error conditions ***
Warning: array_change_key_case(): The argument should be an array in %s on line %d
bool(false)
Warning: array_change_key_case(): The argument should be an array in %s on line %d
bool(false)
Warning: Wrong parameter count for array_change_key_case() in %s on line %d
NULL
Warning: Wrong parameter count for array_change_key_case() in %s on line %d
NULL
end
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