diff --git a/reference/spl/splfixedarray.xml b/reference/spl/splfixedarray.xml
index a486513f0987..12d3ec714f1b 100644
--- a/reference/spl/splfixedarray.xml
+++ b/reference/spl/splfixedarray.xml
@@ -72,6 +72,14 @@
       </row>
      </thead>
      <tbody>
+      <row>
+       <entry>8.2.0</entry>
+       <entry>
+        The <methodname>SplFixedArray::__serialize</methodname> and
+        <methodname>SplFixedArray::__unserialize</methodname>
+        magic methods have been added to <classname>SplFixedArray</classname>.
+       </entry>
+      </row>
       <row>
        <entry>8.1.0</entry>
        <entry>
diff --git a/reference/spl/splfixedarray/getiterator.xml b/reference/spl/splfixedarray/getiterator.xml
new file mode 100644
index 000000000000..a414dca42214
--- /dev/null
+++ b/reference/spl/splfixedarray/getiterator.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- $Revision$ -->
+<refentry xml:id="splfixedarray.getiterator" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+ <refnamediv>
+  <refname>SplFixedArray::getIterator</refname>
+  <refpurpose>Retrieve the iterator to go through the array</refpurpose>
+ </refnamediv>
+
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis role="SplFixedArray">
+   <modifier>public</modifier> <type>Iterator</type><methodname>SplFixedArray::getIterator</methodname>
+   <void/>
+  </methodsynopsis>
+  <para>
+   Returns the iterator to go through the array.
+  </para>
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  &no.function.parameters;
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   An instance of an object implementing <classname>Iterator</classname> to go
+   through the array.
+  </para>
+ </refsect1>
+
+</refentry>
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"~/.phpdoc/manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
diff --git a/reference/spl/splfixedarray/jsonserialize.xml b/reference/spl/splfixedarray/jsonserialize.xml
new file mode 100644
index 000000000000..7c849627b616
--- /dev/null
+++ b/reference/spl/splfixedarray/jsonserialize.xml
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- $Revision$ -->
+<refentry xml:id="splfixedarray.jsonserialize" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+ <refnamediv>
+  <refname>SplFixedArray::jsonSerialize</refname>
+  <refpurpose>Returns a representation that can be converted to JSON</refpurpose>
+ </refnamediv>
+
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis role="SplFixedArray">
+   <modifier>public</modifier> <type>mixed</type><methodname>SplFixedArray::jsonSerialize</methodname>
+   <void/>
+  </methodsynopsis>
+  <para>
+   Serializes the array to a value that can be serialized natively by
+   <function>json_encode</function>.
+  </para>
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  &no.function.parameters;
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   Returns array data which can be serialized by <function>json_encode</function>,
+   which is a value of any type other than a &resource;.
+  </para>
+ </refsect1>
+
+</refentry>
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"~/.phpdoc/manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
diff --git a/reference/spl/splfixedarray/serialize.xml b/reference/spl/splfixedarray/serialize.xml
new file mode 100644
index 000000000000..a1db009b8603
--- /dev/null
+++ b/reference/spl/splfixedarray/serialize.xml
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="utf-8"?>
+<refentry xml:id="splfixedarray.serialize" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+ <refnamediv>
+  <refname>SplFixedArray::__serialize</refname>
+  <refpurpose>Serializes the SplFixedArray object</refpurpose>
+ </refnamediv>
+
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis role="SplFixedArray">
+   <modifier>public</modifier> <type>array</type><methodname>SplFixedArray::__serialize</methodname>
+   <void/>
+  </methodsynopsis>
+  <para>
+
+  </para>
+
+  &warn.undocumented.func;
+
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  &no.function.parameters;
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   &return.void;
+  </para>
+ </refsect1>
+
+</refentry>
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"~/.phpdoc/manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
diff --git a/reference/spl/splfixedarray/unserialize.xml b/reference/spl/splfixedarray/unserialize.xml
new file mode 100644
index 000000000000..ce428327d48c
--- /dev/null
+++ b/reference/spl/splfixedarray/unserialize.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<refentry xml:id="splfixedarray.unserialize" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+ <refnamediv>
+  <refname>SplFixedArray::__unserialize</refname>
+  <refpurpose>Deserializes the <parameter>data</parameter> parameter into an SplFixedArray object</refpurpose>
+ </refnamediv>
+
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis role="SplFixedArray">
+   <modifier>public</modifier> <type>void</type><methodname>SplFixedArray::__unserialize</methodname>
+   <methodparam><type>array</type><parameter>data</parameter></methodparam>
+  </methodsynopsis>
+  <para>
+
+  </para>
+
+  &warn.undocumented.func;
+
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  <variablelist>
+   <varlistentry>
+    <term><parameter>data</parameter></term>
+    <listitem>
+     <para>
+      The value being deserialized.
+     </para>
+    </listitem>
+   </varlistentry>
+  </variablelist>
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   &return.void;
+  </para>
+ </refsect1>
+
+</refentry>
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"~/.phpdoc/manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
diff --git a/reference/spl/versions.xml b/reference/spl/versions.xml
index 10ce3d1e730d..9468a4f10848 100644
--- a/reference/spl/versions.xml
+++ b/reference/spl/versions.xml
@@ -933,11 +933,15 @@
 
  <function name="splfixedarray" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>
  <function name="splfixedarray::__construct" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>
+ <function name="splfixedarray::__serialize" from="PHP 8 &gt;= 8.2.0"/>
+ <function name="splfixedarray::__unserialize" from="PHP 8 &gt;= 8.2.0"/>
  <function name="splfixedarray::__wakeup" from="PHP 5 &gt;= 5.5.0, PHP 7, PHP 8"/>
  <function name="splfixedarray::count" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>
  <function name="splfixedarray::toarray" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>
  <function name="splfixedarray::fromarray" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>
+ <function name="splfixedarray::getIterator" from="PHP 8"/>
  <function name="splfixedarray::getsize" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>
+ <function name="splfixedarray::jsonSerialize" from="PHP 8 &gt;= 8.1.0"/>
  <function name="splfixedarray::setsize" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>
  <function name="splfixedarray::offsetexists" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>
  <function name="splfixedarray::offsetget" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>