diff --git a/reference/soap/soapserver/addfunction.xml b/reference/soap/soapserver/addfunction.xml
index dfc5516de34b..048a7f2d20cb 100644
--- a/reference/soap/soapserver/addfunction.xml
+++ b/reference/soap/soapserver/addfunction.xml
@@ -32,7 +32,13 @@
        To export several functions, pass an array of function names.
       </para>
       <para>
-       To export all the functions, pass a special constant <constant>SOAP_FUNCTIONS_ALL</constant>.
+       To export all the functions, pass an array of function names.
+      </para>
+      <para>
+       As of PHP 8.4.0, passing an <type>int</type> value (including
+       <constant>SOAP_FUNCTIONS_ALL</constant>) is deprecated.
+       Use <function>get_defined_functions</function> to retrieve all functions
+       and pass them as an array instead.
       </para>
       <note>
        <para>
@@ -54,6 +60,29 @@
    &return.void;
   </para>
  </refsect1>
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>8.4.0</entry>
+      <entry>
+       Passing an <type>int</type> to
+       <methodname>SoapServer::addFunction</methodname>,
+       including <constant>SOAP_FUNCTIONS_ALL</constant>, has been deprecated.
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
+ </refsect1>
 
  <refsect1 role="examples">
   &reftitle.examples;
@@ -78,7 +107,8 @@ function echoTwoStrings($inputString1, $inputString2)
 }
 $server->addFunction(array("echoString", "echoTwoStrings"));
 
-$server->addFunction(SOAP_FUNCTIONS_ALL);
+$functions = array_merge(...get_defined_functions());
+$server->addFunction($functions);
 
 ?>
 ]]>