consistent variable name for stackframe, handle empty stackdump

1 files changed, 4 insertions, 4 deletions

diff --git a/it_debug.class b/it_debug.class
index 8bd6099..5ed466a 100644
--- a/it_debug.class
+++ b/it_debug.class
@@ -240,7 +240,7 @@ static function backtrace($p = array())
 			$locations[] = basename($frame['file']) . ":" . $frame['line'];
 
 			$argstrings = [];
-			foreach ($frame['args'] as $arg)
+			foreach ((array)$frame['args'] as $arg)
 			{
 				$t = trim(it::replace(['^array \(\s*' => "[", ',\n\)$' => "]", '^array \( \)' => "[]", " +" => " ", "\n" => ""], var_export($arg, true)), " ,");
 				$argstrings[] = strlen($t) < 60 ? $t : it::replace(["^(.{0,60} |.{0,60}).*" => '$1'], $t) . "..." . (is_array($arg) ? "]" : (is_object($arg) ? "}" :""));
@@ -260,12 +260,12 @@ static function backtrace($p = array())
 	}
 	else
 	{
-		foreach (self::debug_backtrace($p) as $call)
+		foreach (self::debug_backtrace($p) as $frame)
 		{
-			$fn = $call['file'];
+			$fn = $frame['file'];
 			$fn = (it::match('auto_prepend', $fn) ? basename(dirname(dirname($fn))) . "/" : (it::match('/(cgi|bin)/', $fn) ? basename(dirname($fn)) . "/" : "")) . basename($fn);
 			if ($fn)
-				$result[] = $fn . ":" . $call['line'];
+				$result[] = $fn . ":" . $frame['line'];
 		}
 
 		$result = implode(" ", (array)$result);