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wordpress

  • A theme.json schema check in CI

    Note1 min read

    A typo in a theme.json key is silently ignored, which means a setting that does nothing looks exactly like a setting that works. The published schema is versioned…

  • useBlockProps applies the class the editor expects

    Note2 min read

    API version 2 moves the block wrapper from the editor into the block, which means the editor markup and the front-end markup can finally match. Forgetting the call…

  • wp_safe_remote_get, and the SSRF you did not consider

    Note1 min read

    wp_remote_get fetches any URL it is given, including one on the local network, and the safe variant blocks private ranges. The attack is a URL parameter pointing at…

  • A block theme is a directory of HTML files

    Deep dive16 min read

    5.9 on 25 January, and templates/ replaces the template hierarchy. A theme with 41 PHP templates and an editor that cannot see any of them.

  • blockGap, and the margin you stopped writing

    Note2 min read

    Vertical spacing between blocks moves from a stylesheet rule to a setting, which is a better mechanism and a large diff. Setting blockGap to false disables the control…

  • index.html is the only required template

    Note1 min read

    A block theme needs style.css, templates/index.html and nothing else, which makes the minimum viable theme three files. The fallback to index.html is total rather than partial, so a…

  • theme.json v2 renamed the keys you just learned

    Note2 min read

    Version 2 arrives with 5.9, six months after version 1, and moves several keys — a file written in 2021 needs migrating. The customTemplates and templateParts sections are…

  • templates/ and parts/ replace the template hierarchy

    Note2 min read

    5.9 on 25 January makes a theme a directory of HTML files, and the PHP template hierarchy stops being how a page is chosen. The naming still follows…

  • A hybrid theme keeps PHP templates and gains theme.json

    Note2 min read

    A classic theme can add theme.json without becoming a block theme, which is the migration path for an existing site. The flip is abrupt: creating templates/index.html makes WordPress…

  • A block template is an HTML file with block comments

    Note2 min read

    The file contains block markup, which is HTML with comments that carry the block name and its attributes, and nothing else. A self-closing block comment is a dynamic…