Make WordPress Core


Ignore:
Timestamp:
01/18/2023 11:38:16 AM (9 days ago)
Author:
hellofromTonya
Message:

Themes: Introduce wp_theme_has_theme_json() for public consumption.

Adds wp_theme_has_theme_json() for public consumption, to replace the private internal Core-only WP_Theme_JSON_Resolver::theme_has_support() method. This new global function checks if a theme or its parent has a theme.json file.

For performance, results are cached as an integer 1 or 0 in the 'theme_json' group with 'wp_theme_has_theme_json' key. This is a non-persistent cache. Why? To make the derived data from theme.json is always fresh from the potential modifications done via hooks that can use dynamic data (modify the stylesheet depending on some option, settings depending on user permissions, etc.).

Also adds a new public function wp_clean_theme_json_cache() to clear the cache on 'switch_theme' and start_previewing_theme'.

References:

Follow-up to [54493], [53282], [52744], [52049], [50959].

Props oandregal, afragen, alexstine, aristath, azaozz, costdev, flixos90, hellofromTonya, mamaduka, mcsf, ocean90, spacedmonkey.
Fixes #56975.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/src/wp-includes/default-filters.php

    r54999 r55086  
    347347add_action( 'init', 'check_theme_switched', 99 );
    348348add_action( 'init', array( 'WP_Block_Supports', 'init' ), 22 );
    349 add_action( 'switch_theme', array( 'WP_Theme_JSON_Resolver', 'clean_cached_data' ) );
    350 add_action( 'start_previewing_theme', array( 'WP_Theme_JSON_Resolver', 'clean_cached_data' ) );
     349add_action( 'switch_theme', 'wp_clean_theme_json_cache' );
     350add_action( 'start_previewing_theme', 'wp_clean_theme_json_cache' );
    351351add_action( 'after_switch_theme', '_wp_menus_changed' );
    352352add_action( 'after_switch_theme', '_wp_sidebars_changed' );
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