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#51543: Add is_sitemap()#12142

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masteradhoc:51543-is-sitemap-conditional
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#51543: Add is_sitemap()#12142
masteradhoc wants to merge 9 commits into
WordPress:trunkfrom
masteradhoc:51543-is-sitemap-conditional

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@masteradhoc

@masteradhoc masteradhoc commented Jun 9, 2026

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This patch introduces is_sitemap() as a conditional query tag and adds the $is_sitemap property to WP_Query, following the established pattern of is_robots() and is_favicon().

Trac ticket: https://core.trac.wordpress.org/ticket/51543

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Used for: Initial implementation scaffolding. All code was reviewed, adjusted, and tested by me.


This Pull Request is for code review only. Please keep all other discussion in the Trac ticket. Do not merge this Pull Request. See GitHub Pull Requests for Code Review in the Core Handbook for more details.

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github-actions Bot commented Jun 9, 2026

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@masteradhoc masteradhoc marked this pull request as ready for review June 10, 2026 06:54
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The following accounts have interacted with this PR and/or linked issues. I will continue to update these lists as activity occurs. You can also manually ask me to refresh this list by adding the props-bot label.

Core Committers: Use this line as a base for the props when committing in SVN:

Props masteradhoc, nimeshatxecurify, mukesh27, westonruter.

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Comment thread src/wp-includes/query.php Outdated
Comment thread src/wp-includes/class-wp-query.php Outdated
@masteradhoc masteradhoc changed the title Sitemaps: Add is_sitemap() conditional tag and DOING_SITEMAP constant #51543: Add is_sitemap() Jun 11, 2026
@masteradhoc

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@mukeshpanchal27 to make reviewing easier i split the second trac ticket to a own PR, see: #12150

Comment thread src/wp-includes/class-wp-query.php Outdated
Comment thread src/wp-includes/class-wp-query.php Outdated
Comment thread src/wp-includes/class-wp-query.php Outdated
Comment thread src/wp-includes/class-wp-query.php Outdated
Comment thread src/wp-includes/query.php Outdated
Co-authored-by: Weston Ruter <westonruter@gmail.com>
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✅ New code passes PHPStan rule level 10 with the bleeding edge ruleset.

@westonruter westonruter left a comment

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Please add unit tests for the new function and method.

Adds test coverage for the is_sitemap() conditional query tag and the
WP_Query::$is_sitemap property introduced for #51543.

Tests cover the WP_Query property default, the sitemap index and subtype
routes, the sitemap stylesheet route exclusion, is_robots() precedence,
the guarantee that a sitemap request is not treated as the home/front
page, the global is_sitemap() conditional tag, and the _doing_it_wrong()
notice when called before the query is run.

Also adds is_sitemap to WP_UnitTestCase::assertQueryTrue() alongside the
existing is_robots and is_favicon conditionals for consistency.

See #51543.
Tests: Add unit tests for is_sitemap() - Co-Authored-By @nimesh-xecurify
@masteradhoc

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@westonruter thanks to @nimesh-xecurify we have now tests as well for this PR :)

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4 participants