PHP use dynamic variables from function in script?

Question

I have a function that reads a config file and then makes variables from the values in the file.

$arr is an array of values read from a text file and then this is turned into variables.

foreach ($arr as $k => $v) {
  ${$k} = trim($v);
}

This is all done within a function. However I'd like to use the variables created elsewhere in the page. As they are dynamically created I don't know what they will all be called.

Is there any way to do this ?

Thanks

The as is in my code, I missed it when I typed it in on here.. — Tom
– Tom, Commented Jun 28, 2016 at 15:14
The goal is to have the variables created in the function available to the rest of the script. — Tom
– Tom, Commented Jun 28, 2016 at 15:15

b0ne · Accepted Answer · 2016-06-28 14:20:06Z

1

You could create an array where you would keep all your options and make it global in your function and then all the options will accessible inside and outside of the function. Check this out.

answered Jun 28, 2016 at 14:20

b0ne

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4 Comments

Tom Over a year ago

I had thought about that - but as it's dynamic I won't know what values are in the array or what order they are in.

b0ne Over a year ago

Give every option a key and a value and when you save them in an array you save them like $options[$option_name] = $option_value;

Tom Over a year ago

How do I make the array available to the rest of the page ?

Tom Over a year ago

OK I've sorted it... and it looks like this will work for me :) thanks

ʰᵈˑ · Accepted Answer · 2016-06-28 15:06:21Z

0

EDIT : Push them all in an array in your function and get the array elsewhere.

edited Jun 28, 2016 at 15:06

ʰᵈˑ

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answered Jun 28, 2016 at 14:32

Buck

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