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Posted by Oli Filth on 05/15/06 21:39
howachen@gmail.com said the following on 14/05/2006 19:10:
> Ryan Lange wrote:
>> howachen@gmail.com wrote:
>>> if this instance use a lot of memory, would it be better if i use
>>> reference?
>>>
>>> e.g.
>>>
>>> //*********************
>>> public static function &singleton()
>>> {
>>> if (!isset(self::$instance)) {
>>> $c = __CLASS__;
>>> self::$instance = new $c;
>>> }
>>>
>>> return self::$instance;
>>> }
>>> //*********************
>> By default, objects in PHP5 are passed/returned by reference, so
>> this is unnecessary.
>>
> how about PHP4? need explictly use reference?
>
Somewhat irrelevant, as PHP 4 doesn't implement static class members.
--
Oli
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