RE: [PHP-WIN] finding out if a key exists in an associative array
| From: | Ross Fleming | Date: | Thu, 22 Aug 2002 13:01:20 +0000 |
| Subject: | RE: [PHP-WIN] finding out if a key exists in an associative array | ||
| References: | 1 | Groups: | php.windows |
| Request: | Send a blank email to php-windows+get-15443@lists.php.net to get a copy of this message | ||
isset won't work if the array value is set to NULL...
> -----Original Message-----
> From: Steel [mailto:asergey@inbox.ru]
> Sent: 22 August 2002 13:58
> To: php-windows@lists.php.net
> Subject: Re: [PHP-WIN] finding out if a key exists in an associative
> array
>
>
> Hi R.S.,
>
> Thursday, August 22, 2002, 4:47:22 PM, I've read:
>
> RSH> it? Kind of like the "isset" to check if a variable exists
> before you
> RSH> call it, and it doesn't error out on you.
>
> I think You still can use isset ;)
> ex:
> if (isset($array[$key]))
> {
> do something;
> }
>
> Also, if You want to suppres Warning messages, you can use:
>
> @isset($array[$key])
>
> That's all. ;) Hope it'll help.
> --
> The same,
> Steel mailto:asergey@inbox.ru
> http://www.none.ru
>
>
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