Various code cleanup.

app/Support/Twig/AmountFormat.php

@@ -132,6 +132,7 @@ class AmountFormat extends Twig_Extension
     {
         return new Twig_SimpleFunction(
             'formatAmountBySymbol',
+            /** @noinspection MoreThanThreeArgumentsInspection */
             function (string $amount, string $symbol, int $decimalPlaces = null, bool $coloured = null): string {
                 $decimalPlaces            = $decimalPlaces ?? 2;
                 $coloured                 = $coloured ?? true;