Empty argument no longer throw Exception while calling set or add

Author: juliengeneanet

library/PhpGedcom/Record.php

@@ -7,7 +7,7 @@
  *
  * @author          Kristopher Wilson <kristopherwilson@gmail.com>
  * @copyright       Copyright (c) 2010-2013, Kristopher Wilson
- * @package         php-gedcom 
+ * @package         php-gedcom
  * @license         GPL-3.0
  * @link            http://github.com/mrkrstphr/php-gedcom
  */
@@ -26,43 +26,53 @@ public function __call($method, $args)
     {
         if (substr($method, 0, 3) == 'add') {
             $arr = strtolower(substr($method, 3));
-            
+
             if (!property_exists($this, '_' . $arr) || !is_array($this->{'_' . $arr})) {
                 throw new \Exception('Unknown ' . get_class($this) . '::' . $arr);
             }
-            
-            if (!is_array($args) || !isset($args[0])) {
+
+            if (!is_array($args)) {
                 throw new \Exception('Incorrect arguments to ' . $method);
             }
 
+            if (!isset($args[0])) {
+                // Argument can be empty since we trim it's value
+                return;
+            }
+
             if (is_object($args[0])) {
                 // Type safety?
             }
-            
+
             $this->{'_' . $arr}[] = $args[0];
 
             return $this;
         } elseif (substr($method, 0, 3) == 'set') {
             $arr = strtolower(substr($method, 3));
-            
+
             if (!property_exists($this, '_' . $arr)) {
                 throw new \Exception('Unknown ' . get_class($this) . '::' . $arr);
             }
 
-            if (!is_array($args) || !isset($args[0])) {
+            if (!is_array($args)) {
                 throw new \Exception('Incorrect arguments to ' . $method);
             }
 
+            if (!isset($args[0])) {
+                // Argument can be empty since we trim it's value
+                return;
+            }
+
             if (is_object($args[0])) {
                 // Type safety?
             }
-            
+
             $this->{'_' . $arr} = $args[0];
 
             return $this;
         } elseif (substr($method, 0, 3) == 'get') {
             $arr = strtolower(substr($method, 3));
-            
+
             if (!property_exists($this, '_' . $arr)) {
                 throw new \Exception('Unknown ' . get_class($this) . '::' . $arr);
             }
@@ -72,7 +82,7 @@ public function __call($method, $args)
             throw new \Exception('Unknown method called: ' . $method);
         }
     }
-    
+
     /**
      *
      */
@@ -81,13 +91,13 @@ public function __set($var, $val)
         // this class does not have any public vars
         throw new \Exception('Undefined property ' . get_class() . '::' . $var);
     }
-    
+
     /**
      * Checks if this GEDCOM object has the provided attribute (ie, if the provided
      * attribute exists below the current object in its tree).
-     * 
-     * @param string $var The name of the attribute
-     * @return bool True if this object has the provided attribute
+     *
+     * @param  string $var The name of the attribute
+     * @return bool   True if this object has the provided attribute
      */
     public function hasAttribute($var)
     {