1 files changed, 80 insertions, 0 deletions
diff --git a/framework/core.php b/framework/core.php
index bac24ca2..56fe12e7 100644
--- a/framework/core.php
+++ b/framework/core.php
@@ -883,4 +883,84 @@ class TTextWriter extends TComponent implements ITextWriter
 	}
 }
 
+if(version_compare(phpversion(),'5.1.0','>='))
+{
+	/**
+	 * TReflectionClass class.
+	 * This class is written to cope with the incompatibility between different PHP versions.
+	 * It is equivalent to ReflectionClass if PHP version >= 5.1.0
+	 * @author Qiang Xue <qiang.xue@gmail.com>
+	 * @version $Revision: $  $Date: $
+	 * @package System
+	 * @since 3.0
+	 */
+	class TReflectionClass extends ReflectionClass
+	{
+	}
+}
+else // PHP < 5.1.0
+{
+	/**
+	 * TReflectionClass class.
+	 * This class is written to cope with the incompatibility between different PHP versions.
+	 * It mainly provides a way to detect if a method exists for a given class name.
+	 *
+	 * @author Qiang Xue <qiang.xue@gmail.com>
+	 * @version $Revision: $  $Date: $
+	 * @package System
+	 * @since 3.0
+	 */
+	class TReflectionClass extends ReflectionClass
+	{
+		/**
+		 * @param string method name
+		 * @return boolean whether the method exists
+		 */
+		public function hasMethod($method)
+		{
+			try
+			{
+				return $this->getMethod($method)!==null;
+			}
+			catch(Exception $e)
+			{
+				return false;
+			}
+		}
+
+		/**
+		 * @param string property name
+		 * @return boolean whether the property exists
+		 */
+		public function hasProperty($property)
+		{
+			try
+			{
+				return $this->getProperty($property)!==null;
+			}
+			catch(Exception $e)
+			{
+				return false;
+			}
+		}
+	}
+
+	if(!function_exists('property_exists'))
+	{
+		/**
+		 * Detects whether an object contains the specified member variable.
+		 * @param object
+		 * @param string member variable (property) name
+		 * @return boolean
+		 */
+		function property_exists($object, $property)
+		{
+			if(is_object($object))
+				return array_key_exists($property, get_object_vars($object));
+			else
+				return false;
+		}
+	}
+}
+
 ?>
 \ No newline at end of file