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wp_clean_themes_cache()

wp_clean_themes_cache( bool $clear_update_cache = true )

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Clears the cache held by get_theme_roots() and WP_Theme.

Parameters

$clear_update_cachebooloptional
Whether to clear the theme updates cache.

Default:true

Source

function wp_clean_themes_cache( $clear_update_cache = true ) {
	if ( $clear_update_cache ) {
		delete_site_transient( 'update_themes' );
	}
	search_theme_directories( true );
	foreach ( wp_get_themes( array( 'errors' => null ) ) as $theme ) {
		$theme->cache_delete();
	}
}

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UsesDescription
search_theme_directories()wp-includes/theme.php

Searches all registered theme directories for complete and valid themes.

wp_get_themes()wp-includes/theme.php

Returns an array of WP_Theme objects based on the arguments.

delete_site_transient()wp-includes/option.php

Deletes a site transient.

Used byDescription
wp_clean_update_cache()wp-includes/update.php

Clears existing update caches for plugins, themes, and core.

WP_Automatic_Updater::run()wp-admin/includes/class-wp-automatic-updater.php

Kicks off the background update process, looping through all pending updates.

Theme_Upgrader::current_after()wp-admin/includes/class-theme-upgrader.php

Turns off maintenance mode after upgrading the active theme.

Theme_Upgrader::install()wp-admin/includes/class-theme-upgrader.php

Install a theme package.

Theme_Upgrader::upgrade()wp-admin/includes/class-theme-upgrader.php

Upgrades a theme.

Theme_Upgrader::bulk_upgrade()wp-admin/includes/class-theme-upgrader.php

Upgrades several themes at once.

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Changelog

VersionDescription
3.5.0Introduced.

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