more compact code, correctly maintain link

1 files changed, 3 insertions, 4 deletions

diff --git a/it.class b/it.class
index 39a1372..3c9c46c 100644
--- a/it.class
+++ b/it.class
@@ -76,9 +76,7 @@ static function log($name /* ... */)
 {
 	$args = func_get_args();
 	$name = array_shift($args);
-	if (is_array($args[0]))
-		$p = array_shift($args);
-	$timestamp = $p['datetime'] ? strtotime($p['datetime']) : time();
+	$timestamp = is_array($args[0]) && ($p = array_shift($args)) && $p['datetime'] ? strtotime($p['datetime']) : time();
 	$line = date("Y-m-d H:i:s", $timestamp) . "\t" . implode("\t", $args) . "\n";
 	$basefn = substr($name, 0, 1) == "/" ? $name : $GLOBALS['ULTRAHOME'] . "/log/$name";
 	$fullfn = $basefn . "-" . date('Ymd', $timestamp);
@@ -93,7 +91,8 @@ static function log($name /* ... */)
 			@chmod("$fullfn.$tmp", 0664);
 			@rename("$fullfn.$tmp", $fullfn);
 			@unlink($basefn);
-			@symlink($fullfn, $basefn);
+			if (@readlink($basefn) < basename($fullfn))
+				@symlink($fullfn, $basefn);
 		}
 
 		file_put_contents($fullfn, $line, FILE_APPEND);