How can I use a ternary operator in PHP? Example code: - Biz Tech

How can I use a ternary operator in PHP? Example code:

Listen 
$age = 30;

echo ($age >= 18) ? "You are an adult" : "You are not an adult";

How can I use the fopen and fwrite functions to write a string to a file in PHP? Example code:

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Get User IP Address using PHP – Source Code + Demo

How can I use a do-while loop in PHP? Example code:

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