Making a variable out of another variables' value in php (php basics)

Question

I need to make a dynamic variable based on a loop, what i am looking for is a variable something like

$var = "foo";

$$var = "bar";

echo $foo; // bar

but for me it should be more like a fixed parameter attached to the dynamic part like

$var='123';

$'current_'.$$var=some value; // not correct syntax

echo $current_123 should give 'some value';

Jacob Relkin · Accepted Answer · 2010-12-23 06:45:26Z

3

Use curly braces:

$${'current_' . $var} = $some_value;

answered Dec 23, 2010 at 6:45

Jacob Relkin

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1 Comment

CaseySoftware Over a year ago

That is the recommended way.. but variable variables are nasty if you're not careful. They're harder to read, trace, and debug. If you must use them, please document it for the next guy.

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