refactor to php 7+

Author: nahid

src/Presenter.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types = 1);
 
 namespace Nahid\Presento;
 
@@ -9,23 +9,23 @@ abstract class Presenter
     protected $data = [];
     protected $generatedData = [];
 
-    public function __construct($data)
+    public function __construct(array $data)
     {
         $this->data = $data;
         $this->generatedData = $this->handle();
     }
 
-    public function __invoke()
+    public function __invoke() : array
     {
         return $this->generatedData;
     }
 
-    public function __toString()
+    public function __toString() : string
     {
         return json_encode($this->generatedData);
     }
 
-    abstract public function present();
+    abstract public function present() : array;
 
     public function transformer()
     {
@@ -46,7 +46,7 @@ public function handle()
         return $this->transform($this->process($this->data));
     }
 
-    public function process($data)
+    public function process(array $data) : array
     {
         $present = $this->present();
         $record = [];
@@ -72,7 +72,7 @@ public function process($data)
         return $record;
     }
 
-    protected function transform($data)
+    protected function transform(array $data) : array
     {
         $transformerClass = $this->transformer();
 
@@ -84,12 +84,12 @@ protected function transform($data)
         return $data;
     }
 
-    public function toJson()
+    public function toJson() : string
     {
         return json_encode($this->generatedData);
     }
 
-    public function get()
+    public function get() : array
     {
         return $this->generatedData;
     }
@@ -100,7 +100,7 @@ public function get()
      * @param array $arr
      * @return bool
      */
-    protected function isCollection($arr)
+    protected function isCollection(array $arr) : bool
     {
         if (!is_array($arr)) {
             return false;

src/Transformer.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types = 1);
 
 namespace Nahid\Presento;
 
@@ -8,13 +8,13 @@ abstract class Transformer
     protected $generatedData = [];
     private $data = [];
 
-    public function __construct($data)
+    public function __construct(array $data)
     {
         $this->data = $data;
         $this->transform();
     }
 
-    public function __invoke()
+    public function __invoke() : array 
     {
         return $this->getData();
     }
@@ -26,19 +26,19 @@ public function transform()
         }
     }
 
-    protected function isPropertyNeedProcess($property)
+    protected function isPropertyNeedProcess(string $property) : bool
     {
         $method = $this->getPropertyFunction($property);
 
         return method_exists($this, $method);
     }
 
-    protected function getPropertyFunction($property)
+    protected function getPropertyFunction(string $property) : string
     {
         return 'get'. to_camel_case($property) . 'Property';
     }
 
-    protected function callPropertyFunction($property, $value)
+    protected function callPropertyFunction(string $property, $value)
     {
         if ($this->isPropertyNeedProcess($property)) {
             return call_user_func_array([$this, $this->getPropertyFunction($property)], [$value]);
@@ -47,12 +47,12 @@ protected function callPropertyFunction($property, $value)
         return $value;
     }
 
-    public function getProperty($property)
+    public function getProperty(string $property)
     {
         return get_from_array($this->data, $property);
     }
 
-    public function getData()
+    public function getData() : array
     {
         return $this->generatedData;
     }