// Merge -> revision 9061

modules/autoupgrade/Tools14.php

@@ -2139,6 +2139,72 @@ FileETag INode MTime Size
 	 {
 		$smarty->clearAllCache();
 	}
+
+	/**
+	 * getMemoryLimit allow to get the memory limit in octet
+	 * 
+	 * @since 1.4.5.0
+	 * @return int the memory limit value in octet 
+	 */
+	public static function getMemoryLimit()
+	{
+		$memory_limit = @ini_get('memory_limit');
+		
+		if (preg_match('/[0-9]+k/i', $memory_limit))
+			return 1024 * (int)$memory_limit;
+		
+		if (preg_match('/[0-9]+m/i', $memory_limit))
+			return 1024 * 1024 * (int)$memory_limit;
+		
+		if (preg_match('/[0-9]+g/i', $memory_limit))
+			return 1024 * 1024 * 1024 * (int)$memory_limit;
+		
+		return $memory_limit;
+}
+	
+	public static function isX86_64arch()
+	{
+		return (PHP_INT_MAX == '9223372036854775807');
+}
+
+	/**
+	 * apacheModExists return true if the apache module $name is loaded
+	 * @TODO move this method in class Information (when it will exist)
+	 *
+	 * @param string $name module name
+	 * @return boolean true if exists
+	 * @since 1.4.5.0
+	 */
+	public static function apacheModExists($name)
+	{
+		if(function_exists('apache_get_modules'))
+		{
+			static $apacheModuleList = null;
+	
+			if (!is_array($apacheModuleList))
+				$apacheModuleList = apache_get_modules();
+	
+			// we need strpos (example can be evasive20
+			foreach($apacheModuleList as $module)
+			{
+				if (strpos($module, $name)!==false)
+					return true;
+			}
+		}
+		else{
+			// If apache_get_modules does not exists,
+			// one solution should be parsing httpd.conf, 
+			// but we could simple parse phpinfo(INFO_MODULES) return string
+			ob_start();
+			phpinfo(INFO_MODULES);
+			$phpinfo = ob_get_contents();
+			ob_end_clean();
+			if (strpos($phpinfo, $module) !== false)
+				return true;
+		}
+
+		return false;
+	}
 }
 }