diff --git a/reference/json/functions/json-decode.xml b/reference/json/functions/json-decode.xml
index ee0426e4ef..a7b3ca0802 100644
--- a/reference/json/functions/json-decode.xml
+++ b/reference/json/functions/json-decode.xml
@@ -13,6 +13,7 @@
    <methodparam><type>string</type><parameter>json</parameter></methodparam>
    <methodparam choice="opt"><type>bool</type><parameter>assoc</parameter><initializer>false</initializer></methodparam>
    <methodparam choice="opt"><type>int</type><parameter>depth</parameter><initializer>512</initializer></methodparam>
+   <methodparam choice="opt"><type>int</type><parameter>options</parameter><initializer>0</initializer></methodparam>
   </methodsynopsis>
   <para>
    Takes a JSON encoded string and converts it into a PHP variable.
@@ -48,6 +49,16 @@
       </para>
      </listitem>
     </varlistentry>
+    <varlistentry>
+     <term><parameter>options</parameter></term>
+     <listitem>
+      <para>
+       Bitmask of JSON decode options.  Currently only
+       <constant>JSON_BIGINT_AS_STRING</constant>
+       is supported (default is to cast large integers as floats)
+      </para>
+     </listitem>
+    </varlistentry>
    </variablelist>
   </para>
  </refsect1>
@@ -64,6 +75,30 @@
   </para>
  </refsect1>
 
+<refsect1 role="changelog">
+  &reftitle.changelog;
+  <para>
+   <informaltable>
+    <tgroup cols="2">
+     <thead>
+      <row>
+       <entry>&Version;</entry>
+       <entry>&Description;</entry>
+      </row>
+     </thead>
+     <tbody>
+      <row>
+       <entry>5.4.0</entry>
+       <entry>
+        The <parameter>options</parameter> parameter was added.
+       </entry>
+      </row>
+     </tbody>
+    </tgroup>
+   </informaltable>
+  </para>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
@@ -204,6 +239,27 @@ Last error : No error has occurred
 
 NULL
 Last error : The maximum stack depth has been exceeded
+]]>
+    </screen>
+   </example>
+   <example>
+    <title><function>json_decode</function> of large integers</title>
+    <programlisting role="php">
+<![CDATA[
+<?php
+$json = '12345678901234567890';
+
+var_dump(json_decode($json));
+var_dump(json_decode($json, false, 512, JSON_BIGINT_AS_STRING));
+
+?>
+]]>
+    </programlisting>
+    &example.outputs;
+    <screen>
+<![CDATA[
+float(1.2345678901235E+19)
+string(20) "12345678901234567890"
 ]]>
     </screen>
    </example>