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PHP
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Question:
what is difference between $message and $$message
Answer:
$message is a variable whereas $message is a variable variable. The value for $message becomes a variable in itself when you add $ to $message and so on. e.g
$message ""come"";
$come ""sit"";
$sit ""eat"";
echo $message;
echo $message;
echo $$message;
it will print: comesiteat


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