diff --git a/dictionaries/CallMap.php b/dictionaries/CallMap.php
index e4695f2c742..cd787827080 100644
--- a/dictionaries/CallMap.php
+++ b/dictionaries/CallMap.php
@@ -12244,12 +12244,12 @@
 'SoapClient::__construct' => ['void', 'wsdl'=>'mixed', 'options='=>'array|null'],
 'SoapClient::__doRequest' => ['?string', 'request'=>'string', 'location'=>'string', 'action'=>'string', 'version'=>'int', 'one_way='=>'bool'],
 'SoapClient::__getCookies' => ['array'],
-'SoapClient::__getFunctions' => ['array'],
-'SoapClient::__getLastRequest' => ['string'],
-'SoapClient::__getLastRequestHeaders' => ['string'],
-'SoapClient::__getLastResponse' => ['string'],
-'SoapClient::__getLastResponseHeaders' => ['string'],
-'SoapClient::__getTypes' => ['array'],
+'SoapClient::__getFunctions' => ['?array'],
+'SoapClient::__getLastRequest' => ['?string'],
+'SoapClient::__getLastRequestHeaders' => ['?string'],
+'SoapClient::__getLastResponse' => ['?string'],
+'SoapClient::__getLastResponseHeaders' => ['?string'],
+'SoapClient::__getTypes' => ['?array'],
 'SoapClient::__setCookie' => ['', 'name'=>'string', 'value='=>'string'],
 'SoapClient::__setLocation' => ['string', 'new_location='=>'string'],
 'SoapClient::__setSoapHeaders' => ['bool', 'soapheaders='=>''],
diff --git a/stubs/soap.phpstub b/stubs/soap.phpstub
index 6169ca4c8ec..0eb107823ef 100644
--- a/stubs/soap.phpstub
+++ b/stubs/soap.phpstub
@@ -189,7 +189,7 @@ class SoapClient  {
      /**
       * Returns last SOAP request
       * @link https://php.net/manual/en/soapclient.getlastrequest.php
-      * @return string The last SOAP request, as an XML string.
+      * @return string|null The last SOAP request, as an XML string.
       * @since 5.0.1
       */
      public function __getLastRequest () {}
@@ -197,7 +197,7 @@ class SoapClient  {
      /**
       * Returns last SOAP response
       * @link https://php.net/manual/en/soapclient.getlastresponse.php
-      * @return string The last SOAP response, as an XML string.
+      * @return string|null The last SOAP response, as an XML string.
       * @since 5.0.1
       */
      public function __getLastResponse () {}
@@ -205,7 +205,7 @@ class SoapClient  {
      /**
       * Returns the SOAP headers from the last request
       * @link https://php.net/manual/en/soapclient.getlastrequestheaders.php
-      * @return string The last SOAP request headers.
+      * @return string|null The last SOAP request headers.
       * @since 5.0.1
       */
      public function __getLastRequestHeaders () {}
@@ -213,7 +213,7 @@ class SoapClient  {
      /**
       * Returns the SOAP headers from the last response
       * @link https://php.net/manual/en/soapclient.getlastresponseheaders.php
-      * @return string The last SOAP response headers.
+      * @return string|null The last SOAP response headers.
       * @since 5.0.1
       */
      public function __getLastResponseHeaders () {}
@@ -221,7 +221,7 @@ class SoapClient  {
      /**
       * Returns list of available SOAP functions
       * @link https://php.net/manual/en/soapclient.getfunctions.php
-      * @return array The array of SOAP function prototypes, detailing the return type,
+      * @return array|null The array of SOAP function prototypes, detailing the return type,
       * the function name and type-hinted parameters.
       * @since 5.0.1
       */
@@ -230,7 +230,7 @@ class SoapClient  {
      /**
       * Returns a list of SOAP types
       * @link https://php.net/manual/en/soapclient.gettypes.php
-      * @return array The array of SOAP types, detailing all structures and types.
+      * @return array|null The array of SOAP types, detailing all structures and types.
       * @since 5.0.1
       */
      public function __getTypes () {}