Description:
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You can create variables with the name entered in another variable. But if the name has space, how can you reference it?

Test script:
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$test = "testing test";
$$test = "5";
echo $$test; // result: 5
echo $testing test //this can not

/*Now with a variable with no space*/

$test = "testing";
$$test = "5";
echo $testing; //result:5
echo $$test; //result:5

/*How can I reference a variable as an example (testing test)?*/