Add blueprints and fake content

kirby/src/Data/Data.php

@@ -3,7 +3,7 @@
 namespace Kirby\Data;
 
 use Kirby\Exception\Exception;
-use Kirby\Toolkit\F;
+use Kirby\Filesystem\F;
 
 /**
  * The `Data` class provides readers and

kirby/src/Data/Handler.php

@@ -3,7 +3,7 @@
 namespace Kirby\Data;
 
 use Kirby\Exception\Exception;
-use Kirby\Toolkit\F;
+use Kirby\Filesystem\F;
 
 /**
  * Base handler abstract,

kirby/src/Data/Json.php

@@ -34,7 +34,7 @@ class Json extends Handler
      */
     public static function decode($string): array
     {
-        if ($string === null) {
+        if ($string === null || $string === '') {
             return [];
         }
 

kirby/src/Data/PHP.php

@@ -4,7 +4,7 @@ namespace Kirby\Data;
 
 use Kirby\Exception\BadMethodCallException;
 use Kirby\Exception\Exception;
-use Kirby\Toolkit\F;
+use Kirby\Filesystem\F;
 
 /**
  * Reader and write of PHP files with data in a returned array
@@ -49,10 +49,10 @@ class PHP extends Handler
     /**
      * PHP strings shouldn't be decoded manually
      *
-     * @param mixed $array
+     * @param mixed $string
      * @return array
      */
-    public static function decode($array): array
+    public static function decode($string): array
     {
         throw new BadMethodCallException('The PHP::decode() method is not implemented');
     }

kirby/src/Data/Txt.php

@@ -93,7 +93,7 @@ class Txt extends Handler
      */
     public static function decode($string): array
     {
-        if ($string === null) {
+        if ($string === null || $string === '') {
             return [];
         }
 

kirby/src/Data/Xml.php

@@ -35,7 +35,7 @@ class Xml extends Handler
      */
     public static function decode($string): array
     {
-        if ($string === null) {
+        if ($string === null || $string === '') {
             return [];
         }
 

kirby/src/Data/Yaml.php

@@ -50,7 +50,7 @@ class Yaml extends Handler
      */
     public static function decode($string): array
     {
-        if ($string === null) {
+        if ($string === null || $string === '') {
             return [];
         }