Disable HTTP Keep Alive to prevent 'error fetching HTTP headers'

Author: Thijs-Riezebeek

src/Services/BaseService.php

@@ -30,7 +30,7 @@ public function __construct(string $wsdl = null, array $options = [])
         $options["trace"]       = true;
         $options["compression"] = SOAP_COMPRESSION_ACCEPT | SOAP_COMPRESSION_GZIP;
         $options["cache_wsdl"]  = WSDL_CACHE_MEMORY; // https://github.com/php-twinfield/twinfield/issues/50
-        $options["keep_alive"]  = true;
+        $options["keep_alive"]  = false;
 
         if (array_key_exists("cluster", $options)) {
             $wsdl = "{$options["cluster"]}{$this->WSDL()}";