Test with () and changed string with ucwords()

_includes/Mic.class.php

@@ -11,7 +11,21 @@ class Mic
 
     // Creating methods..
     public function setLight($light){
-        print($light);
-        print($this -> light);
+        print($light);//Returns parameter's value
+
+        // $this keyword is used to specify the variable inside class.
+        print($this -> light);//Returns Object variable value.
+    }
+
+    // Call and change model name to first word as uppercase
+    public function setModel($model){
+        // Store $model values to model with $this.
+        $this -> model = ucwords($model); //ucwords() converts 1st letter string as uppercase.
+
+        return $this-> model;
+    }
+
+    public function getModel(){
+        print($this-> model);
     }
 }

test.php

@@ -25,13 +25,19 @@
     $mic1 = new Mic();
     $mic2 = new Mic();
 
-    $mic1->brand = "Toyota";
+    $mic1->brand = "Switf";
     $mic2 -> brand = "Hyundai";
+
+    // Adding values to $light with $this keyword
     $mic1 -> light = "RGB";
     $mic1 -> setLight("yellow");
     
+    $mic1 -> setModel("toyata innova");
+    
+    $mic1-> getModel();
 
     printf("mic1 = %s\n", $mic1 -> brand);
     printf("mic2 = %s", $mic2 -> brand);
+
     ?>
 </pre>
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