Document null support in NumberToLocalizedStringTransformer

Author: mbabker

Extension/Core/DataTransformer/MoneyToLocalizedStringTransformer.php

@@ -45,7 +45,7 @@ public function __construct(?int $scale = 2, ?bool $grouping = true, ?int $round
     /**
      * Transforms a normalized format into a localized money string.
      *
-     * @param int|float $value Normalized number
+     * @param int|float|null $value Normalized number
      *
      * @return string Localized money string
      *
@@ -69,7 +69,7 @@ public function transform($value)
      *
      * @param string $value Localized money string
      *
-     * @return int|float Normalized number
+     * @return int|float|null Normalized number
      *
      * @throws TransformationFailedException if the given value is not a string
      *                                       or if the value can not be transformed

Extension/Core/DataTransformer/NumberToLocalizedStringTransformer.php

@@ -98,7 +98,7 @@ public function __construct(int $scale = null, ?bool $grouping = false, ?int $ro
     /**
      * Transforms a number type into localized number.
      *
-     * @param int|float $value Number value
+     * @param int|float|null $value Number value
      *
      * @return string Localized value
      *
@@ -133,7 +133,7 @@ public function transform($value)
      *
      * @param string $value The localized value
      *
-     * @return int|float The numeric value
+     * @return int|float|null The numeric value
      *
      * @throws TransformationFailedException if the given value is not a string
      *                                       or if the value can not be transformed