implemented preview of article markdown via AJAX

components/foot.php

@@ -2,56 +2,58 @@
 
 <footer>
   <?php
-  function get_args_from_url()
-  {
+function get_args_from_url()
+{
     $args = [];
     $arr = explode('&', $_SERVER['QUERY_STRING']);
 
     foreach ($arr as $a) {
-      $tmp = explode('=', $a);
-      $key = $tmp[0];
-      $value = $tmp[1];
+        $tmp = explode('=', $a);
+        $key = $tmp[0];
+        $value = $tmp[1];
 
-      $args[$key] = $value;
+        $args[$key] = $value;
     }
 
     return $args;
-  }
+}
 
-  if ($_SERVER['SCRIPT_NAME'] == '/user.php') {
+if ($_SERVER['SCRIPT_NAME'] == '/user.php') {
     $args = get_args_from_url();
 
     if (isset($args['action'])) {
-      if ($args['action'] == 'signup') {
-        echo '
+        if ($args['action'] == 'signup') {
+            echo '
   <script src="js/profile_picture_cropper_modal.js"></script>
   <script src="js/upload.js"></script>
-';
-      } else if ($args['action'] == 'view') {
-        echo '
+        ';
+        } else if ($args['action'] == 'view') {
+            echo '
   <script src="js/user_actions_modal.js"></script>
   <script src="js/profile_picture_cropper_modal.js"></script>
   <script src="js/upload.js"></script>
-';
-      }
+            ';
+        }
     }
-  }
-
-  if ($_SERVER['SCRIPT_NAME'] == '/admin.php') {
+} else if ($_SERVER['SCRIPT_NAME'] == '/admin.php') {
     echo '
   <script src="js/clickable_rows.js"></script>
     ';
     $args = get_args_from_url();
 
     if (isset($args['view'])) {
-      if ($args['view'] == 'users') {
-        echo '
+        if ($args['view'] == 'users') {
+            echo '
   <script src="js/upload.js"></script>
         ';
-      }
+        }
     }
-  }
-  ?>
+} else if ($_SERVER['SCRIPT_NAME'] == '/compose.php') {
+    echo '
+    <script src="js/md_preview.js"></script>
+  ';
+}
+?>
 </footer>
 
 </html>