en:public:developer:template_system:tags:parameters:default
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This shows you the differences between two versions of the page.
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en:public:developer:template_system:tags:parameters:default [2012/11/30 14:16] igor |
en:public:developer:template_system:tags:parameters:default [2013/01/27 17:17] (current) admin |
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| ====== Default ====== | ====== Default ====== | ||
| - | Parameter "default" specifies the default value that will be returning if the called functions return nothing or called variable contains nothing. | + | 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 ==== | ==== Example ==== | ||
| - | Assuming we would to print the menu. If some item of the menu hasn't any title we want to put "ArKadia" instead. | + | <code> |
| <#page_title default="ArKadia"> | <#page_title default="ArKadia"> | ||
| + | |||
| + | </code> | ||
| **Case 1.** Page_title is "Special promotions". Output: | **Case 1.** Page_title is "Special promotions". Output: | ||
| + | <code> | ||
| Special promotions | Special promotions | ||
| + | </code> | ||
| **Case 2.** Page_title is empty. Output: | **Case 2.** Page_title is empty. Output: | ||
| + | <code> | ||
| ArKadia | ArKadia | ||
| + | </code> | ||
en/public/developer/template_system/tags/parameters/default.1354270569.txt.gz · Last modified: 2012/11/30 14:16 by igor
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