Category: php

Variable Variables in PHP

Every so often when you are writing a php file, we all run into a situation where we would like for the name of the

string that is inside of your php variable to be converted into the actual name of another variable.

After a fair amount of hunting around the internet and getting sent off into PHP code hunting limbo for a few hours, I suddenly remembered that this was something that I had  found a solution to some time ago. Now, had I been prudent about my little discovery, I would have put it up here on mrarrowhead.com. Instead I forgot about it until I accidentally ran across variable variables agains in the php manual. Variable variables was exactly what I was looking for to get a string from one variable and change it to the name of another variable in my php scipt.

So here goes:

 

<php

$var = varIwannaMake;

$$var = Im in varIwannaMake;

echo $$var. //<--- this will output the above sentence;

echo $varIwannaMake; // this will output the same thing

 

?>

 

The scirpt above will output the following:

Im in varIwannaMake

Im in varIwannaMake

 

Short and sweet  - simple to use -- hope you like.

 

 

 

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