Technical Note
+
+ If the chosen function callback is of the form
+ array(&$object, $method), only one instance of the
+ same class and with the same $method can be registered. The
+ latest registered function callback will be used in
+ such a scenario.
+
+'>
+
As an optional third parameter, you can pass a
$compile_id.
diff --git a/docs/en/programmers/api-functions/api-register-outputfilter.xml b/docs/en/programmers/api-functions/api-register-outputfilter.xml
index 58d94945..7c8f64b5 100644
--- a/docs/en/programmers/api-functions/api-register-outputfilter.xml
+++ b/docs/en/programmers/api-functions/api-register-outputfilter.xml
@@ -21,7 +21,7 @@
for more information on how to set up an output filter function.
&api.register.snippet;
-
+ ¬e.parameter.function;
See also
unregister_outputfilter(),
diff --git a/docs/en/programmers/api-functions/api-register-postfilter.xml b/docs/en/programmers/api-functions/api-register-postfilter.xml
index a4a016dd..01bbb93b 100644
--- a/docs/en/programmers/api-functions/api-register-postfilter.xml
+++ b/docs/en/programmers/api-functions/api-register-postfilter.xml
@@ -19,7 +19,7 @@
more information on how to setup a postfiltering function.
&api.register.snippet;
-
+ ¬e.parameter.function;
See also
diff --git a/docs/en/programmers/api-functions/api-register-prefilter.xml b/docs/en/programmers/api-functions/api-register-prefilter.xml
index da514f54..8ea71656 100644
--- a/docs/en/programmers/api-functions/api-register-prefilter.xml
+++ b/docs/en/programmers/api-functions/api-register-prefilter.xml
@@ -19,6 +19,7 @@
more information on how to setup a prefiltering function.
&api.register.snippet;
+ ¬e.parameter.function;