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--TEST--
Test array_change_key_case() function - 2
--FILE--
<?php
$item = array ("one" => 1, "two" => 2, "THREE" => 3, "FOUR" => "four");
/* use 'case' argument other than CASE_LOWER & CASE_UPPER */
try {
var_dump(array_change_key_case($item, "CASE_UPPER"));
} catch (TypeError $e) {
echo $e->getMessage(), "\n";
}
var_dump(array_change_key_case($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) ) );
/* 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 "end\n";
?>
--EXPECT--
array_change_key_case(): Argument #2 ($case) must be of type int, string given
array(4) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
["THREE"]=>
int(3)
["FOUR"]=>
string(4) "four"
}
array(1) {
["one"]=>
int(4)
}
array(1) {
["ONE"]=>
int(3)
}
array(1) {
["ONE"]=>
int(2)
}
end
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