RE: [PHP] PHP 4 to PHP 5 Migration shortcut
| From: | Rob Agar | Date: | Thu, 14 Apr 2005 07:06:51 +0000 |
| Subject: | RE: [PHP] PHP 4 to PHP 5 Migration shortcut | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-213053@lists.php.net to get a copy of this message | ||
> From: Rasmus Lerdorf
> Chances are pretty good that you won't have to change
> anything. Step 1
> would be to simply try running your existing code under PHP5 and see
> what breaks. Unless you have complicated OO code or you are
> using the
> domxml extension, you likely won't need to change anything.
FWIW, in my experience the thing most likely to trip you up is this:
$a = new C();
$b = $a;
...in php4 $b is a copy of $a, but in php5 it's a reference to the same
object. You can use clone() to get the same result.
hth
Rob