- Made view CI form helper function call format uniform.
- replaced calls to array() with []
- Placed { on its own line
- Removed empty lines where there shouldn't be any.
- Replaced text/javascript with application/javascript as the former is deprecated
- Removed XLSX export format due to errors.
- Upgraded Fakerphp to try to resolve datepicker issues.
- Attempted to fix datepicker language issues.
- Removed duplicate Sunday in the picker.
- Replaced TRUE/FALSE constants with true/false keywords
- Replaced NULL constant with null keyword
- Replaced `<?php echo` in views with shortened `<?=`
- Added missing variable declaration
- Added missing function return type in declaration
- replaced `== true`, `== false`, `=== true` and `=== false` in if statements with simplified forms
