What is the meaning of this one line code in php?

Hello;

I am trying to reconstruct a website,now i see this code below regarding the isset() function in php ,please let me know its meaning,i have read the php.net manual for isset() function.

$code = (isset($_GET["artistfamilye"]) ? $_GET['artistfamilye'] : null );

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Thanks
MOSTAGHASSIAsked:
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Mukesh YadavConnect With a Mentor Full Stack DeveloperCommented:
In this code we are checking for query string "artistfamilye" if it exists then assigning value to a variable else assigning null to that variable and we are using ternary operator to assign different value based on isset function result.

isset function returns true is variable is defined and false if variable is not defined;
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Kim WalkerConnect With a Mentor Web Programmer/TechnicianCommented:
This statement is called a ternary conditional statement. It is equivalent to:
if (isset($_GET["artistfamilye"]) ) {
    $code = $_GET['artistfamilye'];
} else {
    $code = null;
}

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MOSTAGHASSIAuthor Commented:
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