$x is a simple variable where $$x means value of $x becomes other variable.

What is difference between $x and $$x

Question Posted / psharma05

Answer Posted / psharma05

$x is a simple variable where $$x means value of $x becomes other variable.
eg.
$x="hello";
$$x="hi";
echo $hello;

output will be:
hi

Is This Answer Correct ?

11 Yes

5 No

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