Echo the Result of $test

Question

<?php

$j7=6;
$b=7;

$test= '$j'.$b;

echo $test;

?>

How to make the result of echo $test is 6 instead of $j7?

Check out [variable variables](http://php.net/manual/en/language.variables.variable.php) — Sunny Patel, Apr 23 '18 at 16:51
Possible duplicate of [Reference — What does this symbol mean in PHP?](https://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php) — Sunny Patel, Apr 23 '18 at 16:52
still i cant understand all of it sir.if you dont mind,can you explain it to me, sir @SunnyPatel? — Muhammad Afdhal Bin Hassan, Apr 23 '18 at 18:08

score 0 · Accepted Answer · answered Apr 23 '18 at 18:24

0

You're looking to do the following:

$test = "${'j'.$b}";
echo $test;      //Outputs 6

You're working with variable variables which essentially defines a variable based on another variable's contents.

answered Apr 23 '18 at 18:24

Sunny Patel

1 Answers1