test filewriting

index.php

@@ -38,14 +38,17 @@
             <hr>
             
             <?php
-            // read and display file
+            // write to file
+            $myfile = fopen("posts.txt", "a") or die("Unable to open file!");
+            fwrite($myfile, $_POST["signature"] . ": " . $_POST["body"] . "<br>");
+            fclose($myfile);
+
+            // read from file
             $myfile = fopen("posts.txt", "r") or die("Unable to open file!");
             echo fread($myfile,filesize("posts.txt"));
             fclose($myfile);
             ?>
 
-            <br>you: <?php echo $_POST["signature"]; ?>
-
         </div>
 
     </body>