From ec91effd7e5082f15baa6b92f92b9d86360a52a9 Mon Sep 17 00:00:00 2001
From: Steve Boyd <emteknetnz@gmail.com>
Date: Wed, 13 Apr 2022 17:39:59 +1200
Subject: [PATCH] ENH PHP 8.1 compatibility

---
 code/PortChecker.php    | 2 +-
 code/ServerFactory.php  | 6 +++---
 code/constants.php      | 2 +-
 code/server-handler.php | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/code/PortChecker.php b/code/PortChecker.php
index 2c53aa7..ba6aa18 100644
--- a/code/PortChecker.php
+++ b/code/PortChecker.php
@@ -24,7 +24,7 @@ public static function isPortOpen($host, $port)
             $host = 'localhost';
         }
 
-        $connection = @fsockopen($host, $port);
+        $connection = @fsockopen($host ?? '', $port ?? 0);
         if (is_resource($connection)) {
             fclose($connection);
             return true;
diff --git a/code/ServerFactory.php b/code/ServerFactory.php
index 25137b4..9f5df65 100644
--- a/code/ServerFactory.php
+++ b/code/ServerFactory.php
@@ -46,13 +46,13 @@ public function launchServer($options)
         $port = PortChecker::findNextAvailablePort($host, $options['preferredPort']);
 
         $base = __DIR__;
-        $command = "exec " . escapeshellcmd($bin) .
+        $command = "exec " . escapeshellcmd($bin ?? '') .
             ' -S ' . escapeshellarg($host . ':' . $port) .
-            ' -t ' . escapeshellarg($this->path) . ' ' .
+            ' -t ' . escapeshellarg($this->path ?? '') . ' ' .
             escapeshellarg($base . '/server-handler.php');
 
         if (!empty($options['bootstrapFile'])) {
-            $command = "SERVE_BOOTSTRAP_FILE=" . escapeshellarg($options['bootstrapFile']) . " $command";
+            $command = "SERVE_BOOTSTRAP_FILE=" . escapeshellarg($options['bootstrapFile'] ?? '') . " $command";
         }
 
         $server = new Server($command, $host, $port);
diff --git a/code/constants.php b/code/constants.php
index bf8c487..8e088d9 100644
--- a/code/constants.php
+++ b/code/constants.php
@@ -6,7 +6,7 @@
 // Detect BASE_PATH with public-folder awareness
 define(
     'BASE_PATH',
-    basename(getcwd()) === 'public'
+    basename(getcwd() ?? '') === 'public'
         ? dirname(getcwd())
         : getcwd()
 );
diff --git a/code/server-handler.php b/code/server-handler.php
index 64a63b7..ac05723 100644
--- a/code/server-handler.php
+++ b/code/server-handler.php
@@ -18,7 +18,7 @@
 }
 
 $uri = urldecode(
-    parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH)
+    parse_url($_SERVER['REQUEST_URI'] ?? '', PHP_URL_PATH) ?? ''
 );
 
 if ($uri !== "/" && file_exists(PUBLIC_PATH . $uri) && !is_dir(PUBLIC_PATH . $uri)) {