JS Lab 3

INFO-1208 (PHP)/Notes/submit.php

@@ -0,0 +1,21 @@
+<?php
+
+// empty().
+// isset().
+// is_numeric().
+if (
+  !empty($_POST['grade']) &&
+  isset($_POST['grade']) &&
+  is_numeric($_POST['grade'])
+) {
+  $grade = $_POST['grade'];
+  print_r($grade);
+}
+else {
+  echo 'Grade not provided and/or was not numeric!';
+}
+
+// Strip Tags.
+$text = 'Hello <b><em>world!</em></b>';
+echo $text;
+echo strip_tags($text);