Differences

This shows you the differences between two versions of the page.

--- en:public:developer:template_system:tags:parameters:default [2012/11/26 15:26]
igor
+++ en:public:developer:template_system:tags:parameters:default [2013/01/27 17:17] (current)
admin
@@ Line 1: / Line 1: @@
 ====== Default ======
-Parameter "default" specifies the value that will be returning when we call some variable without explicit declaration.
+Parameter "default" specifies the default value that will be returning if the called function (or var)
+return and **empty string** or a **null value**.
+**NOTE:** By default the content of the parameter "default" will be parsed (all <#..> tags will be evaluated)
+before to apply this filter. You can control this behavior throught the parameter
+[[en:public:developer:template_system:tags:parameters:AnalyzeTagParams]]
 ==== Example ====
-  <#Var name=&quot;Price&quot; default="0">
+<code&gt;
-  // do something, we suggest Price was not modified here
-  The total price: <#Price>
+  &lt;#page_title default="ArKadia">
+</code>
+**Case 1.** Page_title is "Special promotions". Output:
-Output:
+<code>
+  Special promotions
+</code>
+**Case 2.** Page_title is empty. Output:
-  The total price: 0
+<code>
+  ArKadia
+</code>

doc.arkadia.com