What resources or libraries can be used to ensure proper validation of email addresses in PHP?

Validating email addresses in PHP can be done using regular expressions or by utilizing libraries specifically designed for email validation. One popular library for email validation in PHP is the `egulias/email-validator` library, which provides comprehensive validation of email addresses according to RFC standards. 

// Using the egulias/email-validator library for email validation
require 'vendor/autoload.php';

use Egulias\EmailValidator\EmailValidator;
use Egulias\EmailValidator\Validation\RFCValidation;

$email = "example@email.com";

$validator = new EmailValidator();
$isValid = $validator->isValid($email, new RFCValidation());

if ($isValid) {
    echo "Email address is valid.";
} else {
    echo "Email address is invalid.";
}

Keywords

PHP email validation filter_var regular expressions validation libraries

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