Re: Dynamically assigning var namesi
| From: | Richard Lynch | Date: | Wed, 02 Aug 2006 23:41:21 +0000 |
| Subject: | Re: Dynamically assigning var namesi | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-240031@lists.php.net to get a copy of this message | ||
On Tue, August 1, 2006 12:49 pm, bob pilly wrote:
> Does anyone know if you can assign a new variable name based on the
> contents of another variable in PHP? If so whats the syntax to do
> this?
You can and it's called Variable Variables in the documentation...
99% of the time, it's better to use an array.
> I am parsing a text file that has tens of preset attributes and some
> of these have hundreds of sub attributes. For example the text file
> contains flight details, on every flight there can be up to 500
> passengers but there are generally only 50 so i dont want to have
> declare 500 vars when i hardly ever use them. What i am trying to do
> is count the amount of pasengers present and dynamically create the
> variables based on this.$surname1,$surname2 etc...
>
> Im not sure whether this is a sane way to approach this problem or
> not. Any advice or pointing to relevant documentation about either
> syntax for this or ways of tackling this sort of problem (im sure it
> must be a regular occurance in the coding world??) would be greatly
> appreciated!!
In this case, it's DEFINITELY better to use an array, as it is almost
guaranteed that sooner or later you will have a flight with two people
named "John Smith" on it.
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