Verified known bug - sharpen acts as blur in PHP 5.5.9 and 5.5.10 #28

CImage.php

@@ -1212,14 +1212,20 @@ class CImage
     {
         if (isset($options['jpeg_optimize']) && $options['jpeg_optimize']) {
             $this->jpegOptimizeCmd = $options['jpeg_optimize_cmd'];
+        } else {
+            $this->jpegOptimizeCmd = null;            
         }
 
         if (isset($options['png_filter']) && $options['png_filter']) {
             $this->pngFilterCmd = $options['png_filter_cmd'];
+        } else {
+            $this->pngFilterCmd = null;
         }
 
         if (isset($options['png_deflate']) && $options['png_deflate']) {
             $this->pngDeflateCmd = $options['png_deflate_cmd'];
+        } else {
+            $this->pngDeflateCmd = null;
         }
     
         return $this;

README.md

@@ -26,12 +26,12 @@ This is free software and open source software, licensed according MIT.
 Installation and get going
 -------------------------------------
 
-**Latest stable version is v0.5.1 released 2014-02-12.**
+**Latest stable version is v0.5.2 released 2014-04-01.**
 
 ```bash
 git clone git://github.com/mosbth/cimage.git
 cd cimage
-git checkout v0.5.1
+git checkout v0.5.2
 ```
 
 Make the cache-directory writable by the webserver.
@@ -131,6 +131,14 @@ Revision history
 -------------------------------------
 
 
+v0.5.2 (2014-04-01)
+
+* Correcting issue #26 providing error message when not using postprocessing.
+* Correcting issue #27 warning of default timezone.
+* Removed default $config options in `img.php`, was not used, all configuration should be in `img_config.php`.
+* Verified known bug - sharpen acts as blur in PHP 5.5.9 and 5.5.10 #28
+
+
 v0.5.1 (2014-02-12)
 
 * Display image in README-file.

cache/README.md

@@ -0,0 +1 @@
+This directory must be writable by the webserver.

webroot/img.php

@@ -95,19 +95,26 @@ function verbose($msg = null)
 
 
 /**
- * Default configuration options, can be overridden in own config-file.
+ * Get configuration options from file.
  */
-$config = array(
-
-);
-
 $configFile = __DIR__.'/'.basename(__FILE__, '.php').'_config.php';
-$config = array_merge($config, require $configFile);
+$config = require $configFile;
 
 call_user_func($config['error_reporting']);
 
 
 
+/**
+ * Set default timezone if not set or if its set in the config-file.
+ */
+if (isset($config['default_timezone'])) {
+    date_default_timezone_set($config['default_timezone']);
+} else if (!ini_get('default_timezone')) {
+    date_default_timezone_set('UTC');
+}
+
+
+
 /**
  * verbose, v - do a verbose dump of what happens
  */

webroot/img_config.php

@@ -17,6 +17,14 @@ return array(
 
 
 
+    /**
+     * Set default timezone, it defaults to UTC if not specified otherwise.
+     * 
+     */
+    //'default_timezone'     => 'UTC',
+
+
+
     /**
      * Max image dimensions,
      *