diff --git a/docs/en/designers/language-builtin-functions/language-function-if.xml b/docs/en/designers/language-builtin-functions/language-function-if.xml
index acac437c..c06a600c 100644
--- a/docs/en/designers/language-builtin-functions/language-function-if.xml
+++ b/docs/en/designers/language-builtin-functions/language-function-if.xml
@@ -9,8 +9,10 @@
Every {if} must be paired with an
{/if}. {else} and
{elseif} are also permitted. All PHP conditionals
+ and functions
are recognized, such as ||, or,
- &&, and, etc.
+ &&, and,
+ is_array(), etc.
@@ -206,6 +208,11 @@
{if $var is even by 3}
...
{/if}
+
+{* check for array. *}
+{if is_array($foo) }
+ ...do something
+{/if}
]]>