Examples/Parameter: execandexit (example 2): Difference between revisions
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Calling the following page with <code>&DPL_cat=Country examples</code> would list countries, omitting the <code>&cat</code> parameter would trigger the error text message (without DPL3 going to the database):
<pre>
{{#dpl:execandexit=geturlargs}}{{#dplvar:set|DPL_cat|Category:Dessert examples}}
{{#dpl:
| execandexit = {{#if:{{#dplvar:DPL_cat}}||please specify a category via &DPL_cat= in the URL!}}
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==Result==
{{#dpl:execandexit=geturlargs}}{{#dplvar:set|DPL_cat|Category:Dessert examples}}
{{#dpl:
| execandexit = {{#if:{{#dplvar:DPL_cat}}||please specify a category via &DPL_cat= in the URL!}}
|
Latest revision as of 08:32, 21 April 2023
Example
A typical use appears like the following, the execandexit
statement transforms URL args to variables, and the {{#dplvar:set}}
sets the value of DPL_cat
variable to Category:Dessert examples. Note: The double pipe symbols within the #if.
Calling the following page with &DPL_cat=Country examples
would list countries, omitting the &cat
parameter would trigger the error text message (without DPL3 going to the database):
{{#dpl:execandexit=geturlargs}}{{#dplvar:set|DPL_cat|Category:Dessert examples}} {{#dpl: | execandexit = {{#if:{{#dplvar:DPL_cat}}||please specify a category via &DPL_cat= in the URL!}} | resultsheader = Pages in <i>{{#dplvar:DPL_cat}}</i>:\n | noresultsheader = There are no pages in <i>{{#dplvar:DPL_cat}}</i>.\n | count = 2 | category = {{#dplvar:DPL_cat}} }}
Result
{{#dpl:execandexit=geturlargs}}{{#dplvar:set|DPL_cat|Category:Dessert examples}} {{#dpl:
| execandexit = | resultsheader = Pages in {{#dplvar:DPL_cat}}:\n | noresultsheader = There are no pages in {{#dplvar:DPL_cat}}.\n | count = 2 | category = {{#dplvar:DPL_cat}}
}}