Re: filter function vs regular expression
| From: | Robert Cummings | Date: | Sat, 20 Dec 2008 17:50:16 +0000 |
| Subject: | Re: filter function vs regular expression | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-284888@lists.php.net to get a copy of this message | ||
On Sat, 2008-12-20 at 16:22 +0100, Alain Roger wrote:
> Hi,
>
> i'm reading a book about PHP and i was wondering why regular expressions are
> so often used to check format of variables or emails while the function
> filter exists since version 5.2.
> What are the plus of regular expression while checking variable format ?
> thx.
Because then your app would lose all compatibility with versions below
5.2.
Cheers,
Rob.
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