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--TEST--
Argument unpacking does not work with string keys (forward compatibility for named args)
--FILE--
<?php
set_error_handler(function($errno, $errstr) {
var_dump($errstr);
});
try {
var_dump(...[1, 2, "foo" => 3, 4]);
} catch (Error $ex) {
var_dump($ex->getMessage());
}
try {
var_dump(...new ArrayIterator([1, 2, "foo" => 3, 4]));
} catch (Error $ex) {
var_dump($ex->getMessage());
}
?>
--EXPECTF--
string(36) "Cannot unpack array with string keys"
string(42) "Cannot unpack Traversable with string keys"
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