How we differentiate between $message and $$message?,

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I m a quick learner , guide me , thanks
#programming #$$message #$message #differentiate
  • $message = 'james';
    $james = 'bob';

    echo $$message; // prints bob;

    $$var are called variable variables (huh?!).

    magical! IMHO, it's the fcuked up part of PHP ...

    WP4H
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