Use type-safe function in example (#66)

Author: Greg Bowler

README.md

@@ -52,8 +52,9 @@ $http->fetch("http://example.com/api/something.json")
     	. count($json->results)
     	. PHP_EOL;
 
+// Notice that type-safe getters are available on all Json objects:
     echo "Name of first result: "
-    	. $json->results[0]->name
+    	. $json->results[0]->getString("name")
     	. PHP_EOL;
 });
 

example/01-basic-fetch.php

@@ -26,7 +26,7 @@
 	echo "PHP.Gt repository list:" . PHP_EOL;
 
 	foreach($json as $repo) {
-		echo $repo->name . PHP_EOL;
+		echo $repo->getString("name") . PHP_EOL;
 	}
 });
 

src/Response/Json.php

@@ -66,10 +66,18 @@ public function offsetUnset($offset):void {
 		throw new ImmutableObjectModificationException();
 	}
 
-	/** @link https://php.net/manual/en/iterator.current.php */
+	/**
+	 * @return int|float|bool|string|null|Json
+	 * @link https://php.net/manual/en/iterator.current.php
+	 */
 	public function current() {
 		if(is_array($this->jsonObject)) {
-			return $this->jsonObject[$this->iteratorKey];
+			$obj = $this->jsonObject[$this->iteratorKey];
+			if($obj instanceof StdClass) {
+				return new self($obj);
+			}
+
+			return $obj;
 		}
 
 		$property = $this->iteratorPropertyNames[$this->iteratorKey];