[wp-trac] [WordPress Trac] #20103: Rewrite get_themes() and other enemies of sanity

[WordPress Trac]

#20103: Rewrite get_themes() and other enemies of sanity
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 Reporter:  nacin         |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  3.4
Component:  Themes        |     Version:  1.5
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |
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Comment (by nacin):

 In [20029]:
 {{{
 #!CommitTicketReference repository="" revision="20029"
 Introduce WP_Theme, wp_get_themes(), and wp_get_theme() to replace
 get_themes(), get_theme(), get_theme_data(), current_theme_info(), and
 others.
  * Getters and Helpers: Introduces a series of methods to allow for easy
 generation of headers for display, and other theme metadata, including
 page templates.
  * Screenshots: Handles support for multiple screenshots. (see #
 Additional screenshots must be PNG and start with screenshot-2.png, and be
 sequential to be counted. see #19816.
  * Error Handling: Broken themes have a WP_Error object attached to them.
  * Caching: Introduces a wp_cache_themes_persistently filter (also in
 [20020]) to enable persistent caching of all filesystem and sanitization
 operations normally handled by WP_Theme (and formerly get_file_data() and
 get_themes()). Themes are cached individually and across five different
 cache keys for different data pieces.
  * Compatibility: A WP_Theme object is backwards compatible with a theme's
 array formerly returned by get_themes() and get_theme(), and an stdClass
 object formerly returned by current_theme_info().
  * i18n/L10n: Theme headers are now localizable with proper Text Domain
 and Domain Path headers, like plugins. (Language packs may remove the
 requirement for headers.) For page templates, see #6007 (not fixed yet,
 but will be easy now). For headers, fixes #15858.
  * PHP and CSS files: New methods that fetch a list of theme files (for
 the theme editor) only on demand, rather than only loading them into
 memory. fixes #11214.

 Functions deprecated:
  * get_themes(), get_allowed_themes() and get_broken_themes() -- use
 wp_get_themes()
  * get_theme() and current_theme_info() -- use wp_get_theme()
  * get_site_allowed_themes() -- use WP_Theme::get_allowed_on_network()
  * wpmu_get_blog_allowedthemes() -- use WP_theme::get_allowed_on_site()

 see also [20016], [20018], [20019], [20020], [20021], [20022], [20025],
 [20026], [20027]. also fixes #19244.

 see #20103.
 }}}

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Ticket URL: <http://core.trac.wordpress.org/ticket/20103#comment:7>
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