Template:HasTemplate/sandbox
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No template provided for hasTemplate
 | This is the template sandbox page for Template:HasTemplate (diff). See also the companion subpage for test cases. |
 | This template uses Lua: |
 | This template is used on approximately 109,000 pages. 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. The tested changes can be added to this page in a single edit. Consider discussing changes on the talk page before implementing them. |
 | This template is rated as beta. It is considered ready for widespread use, but as it is still relatively new, it should be applied with some caution to ensure results are as expected. |
Returns 'yes' if a given page contains a given template or an empty string otherwise.
Usage
[edit source]{{HasTemplate|PageName|TemplateName}}
Parameters
[edit source]There are three positional parameters (with named aliases) and one named parameter:
|1=– name of the page (required; alias:|page=)|2=– name of the template to search for on the page (required; alias:|template=)|3=– ordinal number of the template; ie.3means, "Do 3 (or more) of TemplateName exist?" (optional; default=1; alias:|N=)|follow=– if given a truthy value (E.g.yes), follows redirects of PageName (optional; default is do not follow redirects)
Examples
[edit source]{{HasTemplate|Transgender history in Australia|R with possibilities}}→ yes{{HasTemplate|Transgender history in Cambodia|R with possibilities}}→{{HasTemplate|Apollo|Citation needed|3}}→ yes{{hast|page=Apollo|template=Citation needed|3}}→ yes{{hast|page=Apollo|template=Citation needed|N=12}}→ yes{{HasTemplate|Transgender history in Australia|Transgender sidebar}}→{{HasTemplate|Transgender history in Australia|Transgender sidebar|follow=1}}→ yes
Template data
[edit source]Test if a certain page contains a certain template
| Parameter | Description | Type | Status | |
|---|---|---|---|---|
| Page | 1 page | The page to check for templates in | Page name | required |
| Template | 2 template | The template to look for in the target page | String | required |
| Count | 3 N | How many occurrences of the template should be looked for
| Number | optional |
| Follow | follow | Should the page be followed to its target if it is a redirect
| Boolean | optional |
| Treat as regex | treat_as_regex | Should the template value be treated as a lua regex instead of regular text
| Boolean | optional |