diff --git a/language/predefined/arrayaccess/offsetexists.xml b/language/predefined/arrayaccess/offsetexists.xml
index d7f9aee189..dfad3bf77e 100644
--- a/language/predefined/arrayaccess/offsetexists.xml
+++ b/language/predefined/arrayaccess/offsetexists.xml
@@ -11,7 +11,7 @@
   &reftitle.description;
   <methodsynopsis>
    <modifier>abstract</modifier> <modifier>public</modifier> <type>boolean</type><methodname>ArrayAccess::offsetExists</methodname>
-   <methodparam><type>string</type><parameter>offset</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>offset</parameter></methodparam>
   </methodsynopsis>
   <para>
    Whether or not an offset exists.
diff --git a/language/predefined/arrayaccess/offsetget.xml b/language/predefined/arrayaccess/offsetget.xml
index 8f494054f0..66b947775d 100644
--- a/language/predefined/arrayaccess/offsetget.xml
+++ b/language/predefined/arrayaccess/offsetget.xml
@@ -11,7 +11,7 @@
   &reftitle.description;
   <methodsynopsis>
    <modifier>abstract</modifier> <modifier>public</modifier> <type>mixed</type><methodname>ArrayAccess::offsetGet</methodname>
-   <methodparam><type>string</type><parameter>offset</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>offset</parameter></methodparam>
   </methodsynopsis>
   <para>
    Returns the value at specified offset.
diff --git a/language/predefined/arrayaccess/offsetset.xml b/language/predefined/arrayaccess/offsetset.xml
index f1036afb47..7d35fabcad 100644
--- a/language/predefined/arrayaccess/offsetset.xml
+++ b/language/predefined/arrayaccess/offsetset.xml
@@ -11,8 +11,8 @@
   &reftitle.description;
   <methodsynopsis>
    <modifier>abstract</modifier> <modifier>public</modifier> <type>void</type><methodname>ArrayAccess::offsetSet</methodname>
-   <methodparam><type>string</type><parameter>offset</parameter></methodparam>
-   <methodparam><type>string</type><parameter>value</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>offset</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>value</parameter></methodparam>
   </methodsynopsis>
   <para>
    Assigns a value to the specified offset.
diff --git a/language/predefined/arrayaccess/offsetunset.xml b/language/predefined/arrayaccess/offsetunset.xml
index 710db675c2..a1aa8cf91d 100644
--- a/language/predefined/arrayaccess/offsetunset.xml
+++ b/language/predefined/arrayaccess/offsetunset.xml
@@ -11,7 +11,7 @@
   &reftitle.description;
   <methodsynopsis>
    <modifier>abstract</modifier> <modifier>public</modifier> <type>void</type><methodname>ArrayAccess::offsetUnset</methodname>
-   <methodparam><type>string</type><parameter>offset</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>offset</parameter></methodparam>
   </methodsynopsis>
   <para>
    Unsets an offset.