apply_filters( 'sanitize_email', string $sanitized_email, string $email, string|null $message )

3771		 * @since 2.8.03772		 *3773		 * @param string $sanitized_email The sanitized email address.3774		 * @param string $email           The email address, as provided to sanitize_email().3775		 * @param string|null $message    A message to pass to the user. null if email is sanitized.3776		 */3777		return apply_filters( 'sanitize_email', '', $email, 'email_too_short' );3778	}3779 3780	// Test for an @ character after the first position.3781	if ( strpos( $email, '@', 1 ) === false ) {3782		/** This filter is documented in wp-includes/formatting.php */3783		return apply_filters( 'sanitize_email', '', $email, 'email_no_at' );