Address PHPStan warnings in 'classes/rssutils.php'.

This also includes a minor tweak in 'update.php' to account for 'getopt()' potentially returning false (indicating failure).

1 files changed, 1 insertions, 1 deletions

diff --git a/update.php b/update.php
index 36c66b06c..6cd61a451 100755
--- a/update.php
+++ b/update.php
@@ -108,7 +108,7 @@
 
 	$options = getopt("", array_keys($options_map));
 
-	if (count($options) == 0 || isset($options["help"]) ) {
+	if ($options === false || count($options) == 0 || isset($options["help"]) ) {
 		print "Tiny Tiny RSS CLI management tool\n";
 		print "=================================\n";
 		print "Options:\n\n";