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run code in 300+ PHP versions simultaneously
<?php $emails = [ "john.doe@example.com", "john.doe@example.com", "john.doe@example.com", "john.doe@example.com", "john.doe@example.com", "john.doe@example.com", ]; if (filter_var($email, FILTER_VALIDATE_EMAIL)) { echo("$email is a valid email address"); } else { echo("$email is not a valid email address"); }

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