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|
--TEST--
Test array_change_key_case() function : usage variations - referenced variables
--INI--
allow_call_time_pass_reference=on
--FILE--
<?php
/* Prototype : array array_change_key_case(array $input [, int $case])
* Description: Retuns an array with all string keys lowercased [or uppercased]
* Source code: ext/standard/array.c
*/
/*
* Test array_change_key_case() when:
* 1. Passed a referenced variable
* 2. Passed an argument by reference
*/
echo "*** Testing array_change_key_case() : usage variations ***\n";
$input = array('one' => 1, 'two' => 2, 'ABC' => 'xyz');
echo "\n-- \$input argument is a reference to array --\n";
$new_input = &$input;
echo "Result:\n";
var_dump(array_change_key_case($new_input, CASE_UPPER));
echo "Original:\n";
var_dump($input);
echo "Referenced:\n";
var_dump($new_input);
echo "\n-- \$input is an array passed by reference --\n";
echo "Result:\n";
var_dump(array_change_key_case(&$input, CASE_UPPER));
echo "Original:\n";
var_dump($input);
echo "Done";
?>
--EXPECTF--
*** Testing array_change_key_case() : usage variations ***
-- $input argument is a reference to array --
Result:
array(3) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
["ABC"]=>
string(3) "xyz"
}
Original:
array(3) {
["one"]=>
int(1)
["two"]=>
int(2)
["ABC"]=>
string(3) "xyz"
}
Referenced:
array(3) {
["one"]=>
int(1)
["two"]=>
int(2)
["ABC"]=>
string(3) "xyz"
}
-- $input is an array passed by reference --
Result:
array(3) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
["ABC"]=>
string(3) "xyz"
}
Original:
array(3) {
["one"]=>
int(1)
["two"]=>
int(2)
["ABC"]=>
string(3) "xyz"
}
Done
|
