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This template is used in system messages, and on approximately 3,940,000 pages, or roughly 6% of all pages. Changes to it can cause immediate changes to the Wikipedia user interface. To avoid major disruption and server load, any changes should be tested in the template's /sandbox or /testcases subpages, or in your own user subpage .
2 Examples. 3 Without this template. Toggle the table of contents. Template: Is empty. 12 languages. ... This page was last edited on 9 January 2022, at 18:30 (UTC).
This is a documentation subpage for Template:If empty. It may contain usage information, categories and other content that is not part of the original template page. This template can only be edited by administrators because it is transcluded onto one or more cascade-protected pages.
The Template Toolkit (TT) is a template engine used primarily for building web sites, but is also suitable for creating any type of digital document, such as a PDF or LaTeX file. Template Toolkit is based on a mini-language and does not allow direct Perl in its templates by default, unlike some competing products (e.g. Mason).
Smarty is a web template system written in PHP.Smarty is primarily promoted as a tool for separation of concerns. [2] Smarty is intended to simplify compartmentalization, allowing the front-end of a web page to change separately from its back-end.
The empty hash {} is also true; in this context {} is not an empty block, because perl -e 'print ref {}' returns HASH. Evaluated boolean expressions are also scalar values. The documentation does not promise which particular value of true or false is returned. Many boolean operators return 1 for true and the empty-string for false.
The template argument size counter keeps track of the total length of template arguments that have been substituted. Its limit is the same as the article size limit. Example: {{3x|{{2x|abcde}}}} has a template argument size of 40 bytes: the argument abcdeabcde is counted 3 times, the argument abcde twice.
In the above example, IIf is a ternary function, but not a ternary operator. As a function, the values of all three portions are evaluated before the function call occurs. This imposed limitations, and in Visual Basic .Net 9.0, released with Visual Studio 2008, an actual conditional operator was introduced, using the If keyword instead of IIf ...