Bug fixes

Fixes typos in variable name

Switch to Vanilla JS and various fixes.

Contributors (6)

mably, vermario, edmund.dunn, kolesnikoff, erikbrgn, crtlf

Changelog

Issues: 4 issues resolved.

- Fixes the warning caused by incorrect usage of implode for complex arrays: 3532009

Fixed runtime deprecation error in json_decode() to not pass null as parameter.

* currency exchange public page
* improved conversion
* bugfix
* code cleanup