PHP 7/7.1 Compatibility

Hi, i tried your plugin and it’s working very well.
Running a PHP compatibility test (PHP Compatibility Checker by WPEngine) seems there are some thing that can be improved, so we can switch to php7 in yours servers.

Here the report:
FILE: /home/…/plugins/woo-product-download-from-amazon-s3/includes/S3.php

FOUND 0 ERRORS AND 13 WARNINGS AFFECTING 13 LINES

368 | WARNING | Method name “S3::__triggerError” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
1609 | WARNING | Method name “S3::__getCloudFrontInvalidationBatchXML” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
1690 | WARNING | Method name “S3::__getCloudFrontDistributionConfigXML” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
1730 | WARNING | Method name “S3::__parseCloudFrontDistributionConfig” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
1790 | WARNING | Method name “S3::__getCloudFrontResponse” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
1823 | WARNING | Method name “S3::__getMIMEType” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
1872 | WARNING | Method name “S3::__getTime” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
1885 | WARNING | Method name “S3::__getSignature” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
1900 | WARNING | Method name “S3::__getHash” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
2285 | WARNING | Method name “S3Request::__sortMetaHeadersCmp” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
2303 | WARNING | Method name “S3Request::__responseWriteCallback” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
2319 | WARNING | Method name “S3Request::__dnsBucketName” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
2338 | WARNING | Method name “S3Request::__responseHeaderCallback” is discouraged; PHP has reserved all method names with a double underscore prefix for future use

FILE: /home/ricca052/public_html/wp-content/plugins/woo-product-download-from-amazon-s3/woo-product-download-from-amazon-s3.php

FOUND 1 ERROR AND 1 WARNING AFFECTING 2 LINES

549 | WARNING | INI directive ‘safe_mode’ is deprecated since PHP 5.3 and removed since PHP 5.4.
553 | ERROR | Function set_magic_quotes_runtime() is deprecated since PHP 5.3 and removed since PHP 7.0