Deprecated: array and string offset

While testing my site locally in PHP7.4 the plugin threw an error because of the use of braces in an array offset. I would have submitted a PR but wasn’t really sure where so this will have to do. It’s an easy fix to make it compatible iwth PHP7.4.

Image of the deprecation notice:
https://www.jafdip.com/wp-content/uploads/sites/3/2020/05/dprecated-array-offset.png

Offending code block:
https://www.jafdip.com/wp-content/uploads/sites/3/2020/05/deprecated-array-offset-code.png

Cheers,
Mikel

Corrected code:
https://www.jafdip.com/wp-content/uploads/sites/3/2020/05/corrected-array-offset-code.png.png