Update Request.php

Author: usernane

src/Request.php

@@ -30,7 +30,7 @@
  * request. Note that it does not comply with PSR-7 in all aspects.
  * @author Ibrahim
  * 
- * @version 1.0
+ * @version 1.0.1
  */
 class Request {
     /**
@@ -90,6 +90,35 @@ private function __construct() {
         $this->requestedUri = null;
         $this->requestHeaders = null;
     }
+    /**
+     * Returns the value of a GET or POST parameter.
+     * 
+     * This method will apply basic filtering to the value of the parameter before returning 
+     * it.
+     * 
+     * @param string $paramName The name of the parameter. Note that if the value has extra 
+     * spaces, they will be trimmed.
+     * 
+     * @return string|null The method will return the value of the parameter if 
+     * set. Other than that, the method will return null.
+     * 
+     * @since 1.0.1
+     */
+    public static function getParam($paramName) {
+        $requMethod = self::getMethod();
+        $trimmed = trim($paramName);
+        $val = null;
+        
+        if ($requMethod == 'POST' || $requMethod == 'PUT') {
+            $val = filter_input(INPUT_POST, $trimmed);
+        } else if ($requMethod == 'DELETE' || $requMethod == 'GET') {
+            $val = filter_input(INPUT_GET, $trimmed);
+        }
+        
+        if ($val === false) {
+            return null;
+        }
+    }
     /**
      * Returns the IP address of the user who is connected to the server.
      *