[9.x] Fixes artisan serve command with PHP_CLI_SERVER_WORKERS environment variable

src/Illuminate/Foundation/Console/ServeCommand.php

@@ -53,6 +53,13 @@ class ServeCommand extends Command
      */
     protected $requestsPool;
 
+    /**
+     * Indicates if the "Server running on..." output message has been displayed.
+     *
+     * @var bool
+     */
+    protected $serverRunningHasBeenDisplayed = false;
+
     /**
      * The environment variables that should be passed from host machine to the PHP server process.
      *
@@ -106,6 +113,8 @@ public function handle()
 
                 $process->stop(5);
 
+                $this->serverRunningHasBeenDisplayed = false;
+
                 $process = $this->startProcess($hasEnvironment);
             }
 
@@ -228,10 +237,16 @@ protected function handleProcessOutput()
     {
         return fn ($type, $buffer) => str($buffer)->explode("\n")->each(function ($line) {
             if (str($line)->contains('Development Server (http')) {
+                if ($this->serverRunningHasBeenDisplayed) {
+                    return;
+                }
+
                 $this->components->info("Server running on [http://{$this->host()}:{$this->port()}].");
                 $this->comment('  <fg=yellow;options=bold>Press Ctrl+C to stop the server</>');
 
                 $this->newLine();
+
+                $this->serverRunningHasBeenDisplayed = true;
             } elseif (str($line)->contains(' Accepted')) {
                 $requestPort = $this->getRequestPortFromLine($line);
 
@@ -284,7 +299,11 @@ protected function handleProcessOutput()
      */
     protected function getDateFromLine($line)
     {
-        preg_match('/^\[([^\]]+)\]/', $line, $matches);
+        $regex = env('PHP_CLI_SERVER_WORKERS', 1) > 1
+            ? '/^\[\d+]\s\[(.*)]/'
+            : '/^\[([^\]]+)\]/';
+
+        preg_match($regex, $line, $matches);
 
         return Carbon::createFromFormat('D M d H:i:s Y', $matches[1]);
     }