ENHANCEMENT Allowing string arguments in SS_Log::log()

Author: chillu

dev/Log.php

@@ -133,6 +133,16 @@ public static function log($message, $priority) {
 				'errline' => $message->getLine(),
 				'errcontext' => $message->getTrace()
 			);
+		} elseif(is_string($message)) {
+			$trace = SS_Backtrace::filtered_backtrace();
+			$lastTrace = $trace[0];
+			$message = array(
+				'errno' => '',
+				'errstr' => $message,
+				'errfile' => @$lastTrace['file'],
+				'errline' => @$lastTrace['line'],
+				'errcontext' => $trace
+			);
 		}
 		try {
 			self::get_logger()->log($message, $priority);

dev/LogErrorEmailFormatter.php

@@ -49,7 +49,7 @@ public function format($event) {
 		$data .= "</div>\n";
 
 		$relfile = Director::makeRelative($errfile);
-		if($relfile[0] == '/') $relfile = substr($relfile, 1);
+		if($relfile && $relfile[0] == '/') $relfile = substr($relfile, 1);
 
 		$host = @$_SERVER['HTTP_HOST'];
 		$uri = @$_SERVER['REQUEST_URI'];