apply_filters( ‘wp_cache_themes_persistently’, bool $cache_expiration, string $context )

Filters whether to get the cache of the registered theme directories.

Parameters

$cache_expirationbool: Whether to get the cache of the theme directories. Default false.
$contextstring: The class or function name calling the filter.

$cache_expiration = apply_filters( 'wp_cache_themes_persistently', false, 'search_theme_directories' );

Used by	Description
search_theme_directories()`wp-includes/theme.php`	Searches all registered theme directories for complete and valid themes.
WP_Theme::__construct()`wp-includes/class-wp-theme.php`	Constructor for WP_Theme.

Version	Description
3.4.0	Introduced.

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