Correction of few bugs.

Warn if RSS-Bridge cannot write to disk.
Try/Catch the bridge RSS generation.

Signed-off-by: teromene <teromene@teromene.fr>

caches/FileCache.php

@@ -24,7 +24,13 @@ class FileCache extends CacheAbstract{
     public function saveData($datas){
         $this->isPrepareCache();
 
-        file_put_contents($this->getCacheFile(), json_encode($datas));
+        $writeStream = file_put_contents($this->getCacheFile(), json_encode($datas));
+
+		if(!$writeStream) {
+
+			throw new \Exception("Cannot write the cache... Do you have the right permissions ?");
+
+		}
 
         return $this;
     }

index.php

@@ -1,5 +1,4 @@
 <?php
-$time_start = microtime(true);
 /*
 TODO :
 - manage SSL detection because if library isn't loaded, some bridge crash !
@@ -14,7 +13,7 @@ TODO :
 
 date_default_timezone_set('UTC');
 error_reporting(0);
-ini_set('display_errors','1'); error_reporting(E_ALL);  // For debugging only.
+//ini_set('display_errors','1'); error_reporting(E_ALL);  // For debugging only.
 
 // extensions check
 if (!extension_loaded('openssl'))
@@ -98,6 +97,7 @@ try{
                     $bridge->setDatas($_REQUEST);
 					$bridge->loadMetadatas();
                     // Data transformation
+                    try {
 		                $format = Format::create($format);
 		                $format
 		                    ->setDatas($bridge->getDatas())
@@ -106,6 +106,11 @@ try{
 		                        'uri' => $bridge->getURI(),
 		                    ))
 		                    ->display();
+		            } catch(Exception $e) {
+
+						echo "The brige has crashed. You should report this to the bridges maintainer";
+
+		            }
                     die;
                 }
                 break;
@@ -273,10 +278,7 @@ $formats = Format::searchInformation();
 	?>
     <footer>
 		<?= $activeFoundBridgeCount; ?>/<?= count($whitelist_selection) ?> active bridges (<a href="?show_inactive=1">Show inactive</a>)<br />
-        <a href="https://github.com/sebsauvage/rss-bridge">RSS-Bridge alpha 0.1 ~ Public Domain</a>
+        <a href="https://github.com/sebsauvage/rss-bridge">RSS-Bridge alpha 0.2 ~ Public Domain</a>
     </footer>
     </body>
 </html>
-<?php
-echo "Ran for ". (microtime(true) - $time_start);
-?>