make logging configurable; add logging to syslog

classes/logger/sql.php

@@ -2,9 +2,6 @@
 class Logger_SQL {
 
 	function log_error($errno, $errstr, $file, $line, $context) {
-
-		if ($errno == E_NOTICE) return false;
-
 		if (Db::get() && get_schema_version() > 117) {
 
 			$errno = Db::get()->escape_string($errno);

classes/logger/syslog.php

@@ -0,0 +1,31 @@
+<?php
+class Logger_Syslog {
+
+	function log_error($errno, $errstr, $file, $line, $context) {
+
+		switch ($errno) {
+		case E_ERROR:
+		case E_PARSE:
+		case E_CORE_ERROR:
+		case E_COMPILE_ERROR:
+		case E_USER_ERROR:
+			$priority = LOG_ERR;
+			break;
+		case E_WARNING:
+		case E_CORE_WARNING:
+		case E_COMPILE_WARNING:
+		case E_USER_WARNING:
+			$priority = LOG_WARNING;
+			break;
+		default:
+			$priority = LOG_INFO;
+		}
+
+		$errname = Logger::$errornames[$errno] . " ($errno)";
+
+		syslog($priority, "[tt-rss] $errname ($file:$line) $errstr");
+
+	}
+
+}
+?>