In PHP, $$b would not work as expected because it's used for variable

Suppose if the variable $a is equal to 5 and variable $b is equal to character a, what's the value of $$b?

Question Posted / Digvijay Bisht

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Answer Posted / Digvijay Bisht

In PHP, $$b would not work as expected because it's used for variable variables, not for interpolating characters. Instead, you can use the concatenation operator (.) or heredoc syntax to achieve your desired result.

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