How can PHP be used to track user referrals in a registration process?

To track user referrals in a registration process using PHP, you can pass a referral code as a parameter in the registration URL. Then, store this referral code in a session variable or database when the user registers. This way, you can attribute the referral to the user who referred them. 

// Assuming the referral code is passed as a parameter in the registration URL
$referralCode = $_GET['referral_code'];

// Store the referral code in a session variable or database when the user registers
$_SESSION['referral_code'] = $referralCode;

Keywords

PHP user referrals registration process tracking cookies

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