Re: why use {} around vraiable?
| From: | Nathan Nobbe | Date: | Thu, 20 Mar 2008 16:35:42 +0000 |
| Subject: | Re: why use {} around vraiable? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-271906@lists.php.net to get a copy of this message | ||
On Thu, Mar 20, 2008 at 12:22 PM, Lamp Lists <lamp.lists@yahoo.com> wrote:
> hi,
> I saw several times that some people use this
>
> $parameters = array(
> 'param1' => "{$_POST["param1"]}",
> 'param2' => "{$_POST["param2"]}"
> );
>
> or
>
> $query = mysql_query("SELECT * FROM table1 WHERE id='{$session_id}'");
>
> I would use:
>
> $parameters = array(
> 'param1' => $_POST["param1"],
> 'param2' => $_POST["param2"]
> );
>
> and
>
> $query = mysql_query("SELECT * FROM table1 WHERE id=' ".$session_id."
> '
> ");
>
>
> does it really matter? is there really difference or these are just two
> "styles"?
the short answer is yes.
i think you can find a sufficient explanation here,
http://us.php.net/manual/en/language.types.string.php#language.types.string.parsing.simple
and here
http://us.php.net/manual/en/language.types.string.php#language.types.string.parsing.complex
-nathan