add reference

Author: novalramdhani

php-dasar/komentar.php php-dasar/comment.phpphp-dasar/komentar.php renamed to php-dasar/comment.php

@@ -0,0 +1,19 @@
+<?php 
+
+// Assign by reference
+$name = "Noval Ramdhani";
+
+$otherName = &$name;
+$otherName = "Ramdhani";
+
+echo $name . PHP_EOL;
+
+// Pass by reference
+function increment(int &$value) {
+    $value++;
+}
+
+$counter = 1;
+increment($counter);
+
+echo $counter;