From 4e5795fee2836ee6f563246d21cdab1ded0d7346 Mon Sep 17 00:00:00 2001
From: Denis <denis@sokolov.cc>
Date: Sun, 16 Mar 2014 10:48:30 +0100
Subject: [PATCH] PrettyPageHandler: handle where no code available

Close #176 and better UI when no code is returned by getFileLines.
---
 src/Whoops/Resources/views/frame_code.html.php | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/Whoops/Resources/views/frame_code.html.php b/src/Whoops/Resources/views/frame_code.html.php
index b302309..e1ada1b 100644
--- a/src/Whoops/Resources/views/frame_code.html.php
+++ b/src/Whoops/Resources/views/frame_code.html.php
@@ -22,11 +22,15 @@
 
           // the $line is 1-indexed, we nab -1 where needed to account for this
           $range = $frame->getFileLines($line - 8, 10);
-          $range = array_map(function($line){ return empty($line) ? ' ' : $line;}, $range);
-          $start = key($range) + 1;
-          $code  = join("\n", $range);
+          
+          // getFileLines can return null if there is no source code
+          if ($range):
+            $range = array_map(function($line){ return empty($line) ? ' ' : $line;}, $range);
+            $start = key($range) + 1;
+            $code  = join("\n", $range);
         ?>
-        <pre class="code-block prettyprint linenums:<?php echo $start ?>"><?php echo $tpl->escape($code) ?></pre>
+            <pre class="code-block prettyprint linenums:<?php echo $start ?>"><?php echo $tpl->escape($code) ?></pre>
+          <?php endif ?>
         <?php endif ?>
 
         <?php