added zlib to required extensions

.idea/codeStyleSettings.xml

@@ -54,6 +54,7 @@
           <option name="ALIGN_GROUP_FIELD_DECLARATIONS" value="true" />
           <option name="SPACE_AFTER_TYPE_CAST" value="true" />
           <option name="BINARY_OPERATION_SIGN_ON_NEXT_LINE" value="true" />
+          <option name="ARRAY_INITIALIZER_WRAP" value="1" />
           <option name="IF_BRACE_FORCE" value="3" />
           <option name="DOWHILE_BRACE_FORCE" value="3" />
           <option name="WHILE_BRACE_FORCE" value="3" />
@@ -72,5 +73,4 @@
     </option>
     <option name="USE_PER_PROJECT_SETTINGS" value="true" />
   </component>
-</project>
-
+</project>

README.md

@@ -34,11 +34,11 @@ http://www.maniacontrol.com
 ## REQUIREMENTS:
 - MySQL Database
 - PHP 5.4+
-- Needed extensions:
+- Needed extensions (on ManiaControl startup you will see if you have them activated):
 	- php_mysqli
 	- php_curl
 	- php_xmlrpc (TM only)
-
+	- php_zlib
 
 ### How to report bugs or request features?:
 - Write a mail to bugs(at)maniacontrol(dot)com

core/Utils/SystemUtil.php

@@ -77,6 +77,16 @@ class SystemUtil {
 			Logger::log($message . 'FOUND!');
 		}
 
+		// Check for Zlib
+		$message = 'Checking for installed Zlib ... ';
+		if (!extension_loaded('zlib')) {
+			Logger::log($message . 'NOT FOUND!');
+			Logger::log(" -- You don't have Zlib installed! Check: http://php.net/manual/de/zlib.setup.php");
+			$success = false;
+		} else {
+			Logger::log($message . 'FOUND!');
+		}
+
 		if (!$success) {
 			// Missing requirements
 			self::quit();