Further increase in readability

api.php

@@ -22,13 +22,13 @@ if (!$timeout || !is_numeric($timeout) || ($timeout>30 || $timeout<1)) {
 
 if ($viewport) {
 	$a = explode('x', $viewport);
-	$width = $a[0];
-	$height = $a[1];
-	if ($width) {
-		$vp = "--width $width ";
+	$w = $a[0];
+	$h = $a[1];
+	if ($w) {
+		$vp = "--width $w ";
 	}
-	if ($height) {
-		$vp.= "--height $height ";
+	if ($h) {
+		$vp .= "--height $h ";
 	}
 }	
 
@@ -48,8 +48,6 @@ switch ($type) {
 		header('Content-Type: image/jpeg');
 }
 
-
-
 $hash = $cache.'-'.preg_replace("/[^A-Za-z0-9 ]/", '', $url).'.'.$fileType;
 
 if (!$cache) {
@@ -87,16 +85,16 @@ if ($resizewidth) {
 
 
 if ($fileType === 'jpg') {
-	$res = imagecreatefromjpeg($file);
-	imagejpeg($res,NULL,100);
+	$result = imagecreatefromjpeg($file);
+	imagejpeg($result, NULL, 100);
 }
 else if ($fileType === 'png') {
-	$res = imagecreatefrompng($file);
-	imagepng($res,NULL,9);
+	$result = imagecreatefrompng($file);
+	imagepng($result, NULL, 9);
 }
 
 
-imagedestroy($res);
+imagedestroy($result);
 
 if (!$cache) {
 	unlink($file);
@@ -105,7 +103,6 @@ if (!$cache) {
 function isBase64($data) {
 	if (base64_encode(base64_decode($data, true)) === $data) {
 		return true;
-	} else {
+	}
 	return false;
 }
-}