validate_email() WordPress Function

The validate_email() function is used to check whether an email address is valid. It returns true if the email address is valid, and false if it is not. This function is useful for making sure that a user's email address is valid before allowing them to register for a website or sign up for a newsletter.

validate_email( string $email, bool $check_domain = true ) #

function validate_email( $email, $check_domain = true) {
	_deprecated_function( __FUNCTION__, '3.0.0', 'is_email()' );
	return is_email( $email, $check_domain );
}