Fixed warnings & deprecated issues

[dehlirious]

Solution: Turn ${var} to {$var} , instead of using $json use false.

PHP message: PHP Deprecated:  Using ${var} in strings is deprecated, use {$var} instead in index.php on line 102; 
PHP message: PHP Deprecated:  Using ${var} in strings is deprecated, use {$var} instead in index.php on line 112; 
PHP message: PHP Deprecated:  Using ${var} in strings is deprecated, use {$var} instead in index.php on line 113; 
PHP message: PHP Warning:  Undefined variable $json in index.php on line 27"

[AndrewPaglusch]

@dehlirious Thanks for the PR! I'll reply back here after we've had a chance to review it.

[dehlirious]

@dehlirious Thanks for the PR! I'll reply back here after we've had a chance to review it.

Awesome. Any chance you'd open a discussions section on this repo?

[AndrewPaglusch]

Tested locally. Working good

[AndrewPaglusch]

@dehlirious I forgot to mention: I opened discussions! Thanks for the suggestion