foreach ($item as $key => $value) {
$retval[$key] = self::from($value);
}
return $retval;
}
// same as our first example
private static function trimFromTraversable(Traversable $item) : array
{
$retval = [];
foreach ($item as $key => $value) {
$retval[$key] = self::from($value);
}
return $retval;
}
// same as our first example
public static function trimFromString(string $item) : string
{
// PHP will coerce into a string for us
return trim($item);
}
// same as our first example
private static function nothingMatchesTheInputType($item)
{
// we don't know how to process $item, so let's just
// send back exactly what we received
return $item;
}
}
// only happens when we're first loaded
TrimWhitespace::initDispatchTable();
