Index: trunk/include/xpress_debug_log.php
===================================================================
--- trunk/include/xpress_debug_log.php	(revision 95)
+++ trunk/include/xpress_debug_log.php	(revision 96)
@@ -57,3 +57,71 @@
     }
 }
+
+function xpress_error_handler($errno,$errstr,$errfile,$errline,$errcontext) {
+	$module_dirpath = dirname(dirname(__FILE__));
+	$root_path = dirname(dirname(dirname(dirname(__FILE__))));
+	
+	$show_backtrace = true;
+
+	// Time stamp of error entry
+	$dt = date("Y-m-d H:i:s (T)");
+
+	// define an assoc array of error string
+	// in reality the only entries we should
+	// consider are E_WARNING, E_NOTICE, E_USER_ERROR,
+	// E_USER_WARNING and E_USER_NOTICE
+	$errortype = array (
+		E_ERROR          => "Error",
+		E_WARNING        => "Warning",
+		E_PARSE          => "Parsing Error",
+		E_NOTICE          => "Notice",
+		E_CORE_ERROR      => "Core Error",
+		E_CORE_WARNING    => "Core Warning",
+		E_COMPILE_ERROR  => "Compile Error",
+		E_COMPILE_WARNING => "Compile Warning",
+		E_USER_ERROR      => "User Error",
+		E_USER_WARNING    => "User Warning",
+		E_USER_NOTICE    => "User Notice",
+		E_STRICT          => "Runtime Notice"
+	);
+	if (strstr($errstr, 'Use of undefined constant xpress_debug_message - assumed') !== false) return;
+	// set of errors for which a var trace will be saved
+	$user_errors = array(E_USER_ERROR, E_USER_WARNING, E_USER_NOTICE);
+
+	$err = "<errorentry>\n";
+	$err .= "\t<datetime>" . $dt . "</datetime>\n";
+	$err .= "\t<errornum>" . $errno . "</errornum>\n";
+	$err .= "\t<errortype>" . $errortype[$errno] . "</errortype>\n";
+	$err .= "\t<errormsg>" . $errstr . "</errormsg>\n";
+	$err .= "\t<scriptname>" . $errfile . "</scriptname>\n";
+	$err .= "\t<scriptlinenum>" . $errline . "</scriptlinenum>\n";
+	$err .= "\t<errcontext>" . $errcontext . "</errcontext>\n";
+
+	if (in_array($errno, $user_errors)) {
+		$err .= "\t<vartrace>" . wddx_serialize_value($vars, "Variables") . "</vartrace>\n";
+	}
+	$err .= "</errorentry>\n\n";
+
+	$err_trace = '';
+	if ($show_backtrace){	
+		$backtraces = array_reverse(debug_backtrace());
+		$err_trace .= "BACK TRACE\n";
+		foreach($backtraces as $backtrace){
+			$trace = @$backtrace['file']. "\tLINE(" . @$backtrace['line'] . ")\t" . @$backtrace['function']  . "()\n";
+			$trace = str_replace($root_path,"",$trace);
+			$trace = str_replace("\\","/",$trace);
+			$trace = str_replace($root_path,"",$trace);
+			$trace = "\t" . $trace;
+			$err_trace .= $trace;
+		}
+	}
+	$head = "\n***** XPressME ERROR LOG ****************************************************************************************************\n";
+	$message = $head . $err . $err_trace;
+	$_debug_file = $module_dirpath . '/wp-content/xpress_error.log';
+	if ($errno != E_STRICT) {
+		$_fp = fopen($_debug_file, 'a');
+		fwrite($_fp, $message);	
+		fclose($_fp);
+	}
+}
 ?>