Update objects.php

php-concepts/objects.php

@@ -1,12 +1,17 @@
 <?php
 
+// mainly about the default stdclass objects
+// more object examples also covered in classes.php file
+
+echo '<pre/>';
+
+
 $o = new stdclass();
 $o->a = 1;
 $o->b = 2;
 
-echo '<pre/>';
-//print_r($o);
-
+print_r($o);
+echo '<br/>';
 
 $a = [1, 2];
 $acasttoObject = (object)$a;
@@ -17,3 +22,8 @@
 // below command disabled on online testing sites
 // echo get_class($acasttoObject);
 
+unset($o->a); // removes one of the members of the class, not possible in c language
+
+print_r($o);
+echo '<br/>';
+