diff --git a/_coverage.php b/_coverage.php
index 319ec51c..929bd6a9 100644
--- a/_coverage.php
+++ b/_coverage.php
@@ -32,14 +32,14 @@ if ($_GET["start"]) {
 }
 if ($_GET["filename"]) {
 	$filename = basename($_GET["filename"]);
-	$coverage = $_SESSION["coverage"][realpath($filename)];
+	$cov = $_SESSION["coverage"][realpath($filename)];
 	$file = explode("<br />", highlight_file($filename, true));
 	unset($prev_color);
 	$s = "";
 	for ($l=0; $l <= count($file); $l++) {
 		$line = $file[$l];
 		$color = "#C0FFC0"; // tested
-		switch ($coverage[$l+1]) {
+		switch ($cov[$l+1]) {
 			case -1: $color = "#FFC0C0"; break; // untested
 			case -2: $color = "Silver"; break; // dead code
 			case null: $color = ""; break; // not executable
@@ -63,11 +63,11 @@ if ($_GET["filename"]) {
 	echo "<table border='0' cellspacing='0' cellpadding='1'>\n";
 	foreach (glob("*.php") as $filename) {
 		if ($filename{0} != "_") {
-			$coverage = $_SESSION["coverage"][realpath($filename)];
+			$cov = $_SESSION["coverage"][realpath($filename)];
 			$ratio = 0;
-			if (isset($coverage)) {
-				$values = array_count_values($coverage);
-				$ratio = round(100 - 100 * $values[-1] / count($coverage));
+			if (isset($cov)) {
+				$values = array_count_values($cov);
+				$ratio = round(100 - 100 * $values[-1] / count($cov));
 			}
 			echo "<tr><td align='right' style='background-color: " . ($ratio < 50 ? "Red" : ($ratio < 75 ? "#FFEA20" : "#A7FC9D")) . ";'>$ratio%</td><td><a href='_coverage.php?filename=$filename'>$filename</a></td></tr>\n";
 		}
diff --git a/lang.inc.php b/lang.inc.php
index e8a40ccf..6acc42b5 100644
--- a/lang.inc.php
+++ b/lang.inc.php
@@ -57,14 +57,14 @@ if (isset($langs[$_COOKIE["lang"]])) {
 		$accept_language[str_replace("_", "-", $match[1])] = (isset($match[3]) ? $match[3] : 1);
 	}
 	arsort($accept_language);
-	foreach ($accept_language as $lang => $q) {
-		if (isset($langs[$lang])) {
-			$LANG = $lang;
+	foreach ($accept_language as $key => $q) {
+		if (isset($langs[$key])) {
+			$LANG = $key;
 			break;
 		}
-		$lang = preg_replace('~-.*~', '', $lang);
-		if (!isset($accept_language[$lang]) && isset($langs[$lang])) {
-			$LANG = $lang;
+		$key = preg_replace('~-.*~', '', $key);
+		if (!isset($accept_language[$key]) && isset($langs[$key])) {
+			$LANG = $key;
 			break;
 		}
 	}