apply_filters( 'is_email', string|false $is_email, string $email, string $context )

3557		 * @since 2.8.03558		 *3559		 * @param string|false $is_email The email address if successfully passed the is_email() checks, false otherwise.3560		 * @param string       $email    The email address being checked.3561		 * @param string       $context  Context under which the email was tested.3562		 */3563		return apply_filters( 'is_email', false, $email, 'email_too_short' );3564	}3565 3566	// Test for an @ character after the first position.3567	if ( strpos( $email, '@', 1 ) === false ) {3568		/** This filter is documented in wp-includes/formatting.php */3569		return apply_filters( 'is_email', false, $email, 'email_no_at' );