X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/177fd6fefd2e3d5a0ea6591c71d660cabdb3c1a4..refs/tags/wordpress-4.5:/wp-includes/theme.php
diff --git a/wp-includes/theme.php b/wp-includes/theme.php
index 984b4ee2..f4dfaeed 100644
--- a/wp-includes/theme.php
+++ b/wp-includes/theme.php
@@ -1,30 +1,257 @@
false, 'allowed' => null, 'blog_id' => 0 );
+ $args = wp_parse_args( $args, $defaults );
+
+ $theme_directories = search_theme_directories();
+
+ if ( count( $wp_theme_directories ) > 1 ) {
+ // Make sure the current theme wins out, in case search_theme_directories() picks the wrong
+ // one in the case of a conflict. (Normally, last registered theme root wins.)
+ $current_theme = get_stylesheet();
+ if ( isset( $theme_directories[ $current_theme ] ) ) {
+ $root_of_current_theme = get_raw_theme_root( $current_theme );
+ if ( ! in_array( $root_of_current_theme, $wp_theme_directories ) )
+ $root_of_current_theme = WP_CONTENT_DIR . $root_of_current_theme;
+ $theme_directories[ $current_theme ]['theme_root'] = $root_of_current_theme;
+ }
+ }
+
+ if ( empty( $theme_directories ) )
+ return array();
+
+ if ( is_multisite() && null !== $args['allowed'] ) {
+ $allowed = $args['allowed'];
+ if ( 'network' === $allowed )
+ $theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_network() );
+ elseif ( 'site' === $allowed )
+ $theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_site( $args['blog_id'] ) );
+ elseif ( $allowed )
+ $theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) );
+ else
+ $theme_directories = array_diff_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) );
+ }
+
+ $themes = array();
+ static $_themes = array();
+
+ foreach ( $theme_directories as $theme => $theme_root ) {
+ if ( isset( $_themes[ $theme_root['theme_root'] . '/' . $theme ] ) )
+ $themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ];
+ else
+ $themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ] = new WP_Theme( $theme, $theme_root['theme_root'] );
+ }
+
+ if ( null !== $args['errors'] ) {
+ foreach ( $themes as $theme => $wp_theme ) {
+ if ( $wp_theme->errors() != $args['errors'] )
+ unset( $themes[ $theme ] );
+ }
+ }
+
+ return $themes;
+}
+
+/**
+ * Gets a WP_Theme object for a theme.
+ *
+ * @since 3.4.0
+ *
+ * @global array $wp_theme_directories
+ *
+ * @param string $stylesheet Directory name for the theme. Optional. Defaults to current theme.
+ * @param string $theme_root Absolute path of the theme root to look in. Optional. If not specified, get_raw_theme_root()
+ * is used to calculate the theme root for the $stylesheet provided (or current theme).
+ * @return WP_Theme Theme object. Be sure to check the object's exists() method if you need to confirm the theme's existence.
+ */
+function wp_get_theme( $stylesheet = null, $theme_root = null ) {
+ global $wp_theme_directories;
+
+ if ( empty( $stylesheet ) )
+ $stylesheet = get_stylesheet();
+
+ if ( empty( $theme_root ) ) {
+ $theme_root = get_raw_theme_root( $stylesheet );
+ if ( false === $theme_root )
+ $theme_root = WP_CONTENT_DIR . '/themes';
+ elseif ( ! in_array( $theme_root, (array) $wp_theme_directories ) )
+ $theme_root = WP_CONTENT_DIR . $theme_root;
+ }
+
+ return new WP_Theme( $stylesheet, $theme_root );
+}
+
+/**
+ * Clears the cache held by get_theme_roots() and WP_Theme.
+ *
+ * @since 3.5.0
+ * @param bool $clear_update_cache Whether to clear the Theme updates cache
+ */
+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();
+}
+
+/**
+ * Whether a child theme is in use.
+ *
+ * @since 3.0.0
+ *
+ * @return bool true if a child theme is in use, false otherwise.
+ **/
+function is_child_theme() {
+ return ( TEMPLATEPATH !== STYLESHEETPATH );
+}
+
+/**
+ * Retrieve name of the current stylesheet.
+ *
+ * The theme name that the administrator has currently set the front end theme
+ * as.
+ *
+ * For all intents and purposes, the template name and the stylesheet name are
+ * going to be the same for most cases.
+ *
+ * @since 1.5.0
+ *
+ * @return string Stylesheet name.
+ */
function get_stylesheet() {
- return apply_filters('stylesheet', get_option('stylesheet'));
+ /**
+ * Filter the name of current stylesheet.
+ *
+ * @since 1.5.0
+ *
+ * @param string $stylesheet Name of the current stylesheet.
+ */
+ return apply_filters( 'stylesheet', get_option( 'stylesheet' ) );
}
+/**
+ * Retrieve stylesheet directory path for current theme.
+ *
+ * @since 1.5.0
+ *
+ * @return string Path to current theme directory.
+ */
function get_stylesheet_directory() {
$stylesheet = get_stylesheet();
- $stylesheet_dir = get_theme_root() . "/$stylesheet";
- return apply_filters('stylesheet_directory', $stylesheet_dir, $stylesheet);
+ $theme_root = get_theme_root( $stylesheet );
+ $stylesheet_dir = "$theme_root/$stylesheet";
+
+ /**
+ * Filter the stylesheet directory path for current theme.
+ *
+ * @since 1.5.0
+ *
+ * @param string $stylesheet_dir Absolute path to the current theme.
+ * @param string $stylesheet Directory name of the current theme.
+ * @param string $theme_root Absolute path to themes directory.
+ */
+ return apply_filters( 'stylesheet_directory', $stylesheet_dir, $stylesheet, $theme_root );
}
+/**
+ * Retrieve stylesheet directory URI.
+ *
+ * @since 1.5.0
+ *
+ * @return string
+ */
function get_stylesheet_directory_uri() {
- $stylesheet = get_stylesheet();
- $stylesheet_dir_uri = get_theme_root_uri() . "/$stylesheet";
- return apply_filters('stylesheet_directory_uri', $stylesheet_dir_uri, $stylesheet);
+ $stylesheet = str_replace( '%2F', '/', rawurlencode( get_stylesheet() ) );
+ $theme_root_uri = get_theme_root_uri( $stylesheet );
+ $stylesheet_dir_uri = "$theme_root_uri/$stylesheet";
+
+ /**
+ * Filter the stylesheet directory URI.
+ *
+ * @since 1.5.0
+ *
+ * @param string $stylesheet_dir_uri Stylesheet directory URI.
+ * @param string $stylesheet Name of the activated theme's directory.
+ * @param string $theme_root_uri Themes root URI.
+ */
+ return apply_filters( 'stylesheet_directory_uri', $stylesheet_dir_uri, $stylesheet, $theme_root_uri );
}
+/**
+ * Retrieve URI of current theme stylesheet.
+ *
+ * The stylesheet file name is 'style.css' which is appended to {@link
+ * get_stylesheet_directory_uri() stylesheet directory URI} path.
+ *
+ * @since 1.5.0
+ *
+ * @return string
+ */
function get_stylesheet_uri() {
$stylesheet_dir_uri = get_stylesheet_directory_uri();
- $stylesheet_uri = $stylesheet_dir_uri . "/style.css";
- return apply_filters('stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri);
+ $stylesheet_uri = $stylesheet_dir_uri . '/style.css';
+ /**
+ * Filter the URI of the current theme stylesheet.
+ *
+ * @since 1.5.0
+ *
+ * @param string $stylesheet_uri Stylesheet URI for the current theme/child theme.
+ * @param string $stylesheet_dir_uri Stylesheet directory URI for the current theme/child theme.
+ */
+ return apply_filters( 'stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri );
}
+/**
+ * Retrieve localized stylesheet URI.
+ *
+ * The stylesheet directory for the localized stylesheet files are located, by
+ * default, in the base theme directory. The name of the locale file will be the
+ * locale followed by '.css'. If that does not exist, then the text direction
+ * stylesheet will be checked for existence, for example 'ltr.css'.
+ *
+ * The theme may change the location of the stylesheet directory by either using
+ * the 'stylesheet_directory_uri' filter or the 'locale_stylesheet_uri' filter.
+ * If you want to change the location of the stylesheet files for the entire
+ * WordPress workflow, then change the former. If you just have the locale in a
+ * separate folder, then change the latter.
+ *
+ * @since 2.1.0
+ *
+ * @global WP_Locale $wp_locale
+ *
+ * @return string
+ */
function get_locale_stylesheet_uri() {
global $wp_locale;
$stylesheet_dir_uri = get_stylesheet_directory_uri();
@@ -36,545 +263,1903 @@ function get_locale_stylesheet_uri() {
$stylesheet_uri = "$stylesheet_dir_uri/{$wp_locale->text_direction}.css";
else
$stylesheet_uri = '';
- return apply_filters('locale_stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri);
+ /**
+ * Filter the localized stylesheet URI.
+ *
+ * @since 2.1.0
+ *
+ * @param string $stylesheet_uri Localized stylesheet URI.
+ * @param string $stylesheet_dir_uri Stylesheet directory URI.
+ */
+ return apply_filters( 'locale_stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri );
}
+/**
+ * Retrieve name of the current theme.
+ *
+ * @since 1.5.0
+ *
+ * @return string Template name.
+ */
function get_template() {
- return apply_filters('template', get_option('template'));
+ /**
+ * Filter the name of the current theme.
+ *
+ * @since 1.5.0
+ *
+ * @param string $template Current theme's directory name.
+ */
+ return apply_filters( 'template', get_option( 'template' ) );
}
+/**
+ * Retrieve current theme directory.
+ *
+ * @since 1.5.0
+ *
+ * @return string Template directory path.
+ */
function get_template_directory() {
$template = get_template();
- $template_dir = get_theme_root() . "/$template";
- return apply_filters('template_directory', $template_dir, $template);
+ $theme_root = get_theme_root( $template );
+ $template_dir = "$theme_root/$template";
+
+ /**
+ * Filter the current theme directory path.
+ *
+ * @since 1.5.0
+ *
+ * @param string $template_dir The URI of the current theme directory.
+ * @param string $template Directory name of the current theme.
+ * @param string $theme_root Absolute path to the themes directory.
+ */
+ return apply_filters( 'template_directory', $template_dir, $template, $theme_root );
}
+/**
+ * Retrieve theme directory URI.
+ *
+ * @since 1.5.0
+ *
+ * @return string Template directory URI.
+ */
function get_template_directory_uri() {
- $template = get_template();
- $template_dir_uri = get_theme_root_uri() . "/$template";
- return apply_filters('template_directory_uri', $template_dir_uri, $template);
-}
-
-function get_theme_data( $theme_file ) {
- $themes_allowed_tags = array(
- 'a' => array(
- 'href' => array(),'title' => array()
- ),
- 'abbr' => array(
- 'title' => array()
- ),
- 'acronym' => array(
- 'title' => array()
- ),
- 'code' => array(),
- 'em' => array(),
- 'strong' => array()
- );
-
- $theme_data = implode( '', file( $theme_file ) );
- $theme_data = str_replace ( '\r', '\n', $theme_data );
- preg_match( '|Theme Name:(.*)$|mi', $theme_data, $theme_name );
- preg_match( '|Theme URI:(.*)$|mi', $theme_data, $theme_uri );
- preg_match( '|Description:(.*)$|mi', $theme_data, $description );
-
- if ( preg_match( '|Author URI:(.*)$|mi', $theme_data, $author_uri ) )
- $author_uri = clean_url( trim( $author_uri[1]) );
- else
- $author_uti = '';
+ $template = str_replace( '%2F', '/', rawurlencode( get_template() ) );
+ $theme_root_uri = get_theme_root_uri( $template );
+ $template_dir_uri = "$theme_root_uri/$template";
+
+ /**
+ * Filter the current theme directory URI.
+ *
+ * @since 1.5.0
+ *
+ * @param string $template_dir_uri The URI of the current theme directory.
+ * @param string $template Directory name of the current theme.
+ * @param string $theme_root_uri The themes root URI.
+ */
+ return apply_filters( 'template_directory_uri', $template_dir_uri, $template, $theme_root_uri );
+}
- if ( preg_match( '|Template:(.*)$|mi', $theme_data, $template ) )
- $template = wp_kses( trim( $template[1] ), $themes_allowed_tags );
- else
- $template = '';
+/**
+ * Retrieve theme roots.
+ *
+ * @since 2.9.0
+ *
+ * @global array $wp_theme_directories
+ *
+ * @return array|string An array of theme roots keyed by template/stylesheet or a single theme root if all themes have the same root.
+ */
+function get_theme_roots() {
+ global $wp_theme_directories;
- if ( preg_match( '|Version:(.*)|i', $theme_data, $version ) )
- $version = wp_kses( trim( $version[1] ), $themes_allowed_tags );
- else
- $version = '';
+ if ( count($wp_theme_directories) <= 1 )
+ return '/themes';
- if ( preg_match('|Status:(.*)|i', $theme_data, $status) )
- $status = wp_kses( trim( $status[1] ), $themes_allowed_tags );
- else
- $status = 'publish';
+ $theme_roots = get_site_transient( 'theme_roots' );
+ if ( false === $theme_roots ) {
+ search_theme_directories( true ); // Regenerate the transient.
+ $theme_roots = get_site_transient( 'theme_roots' );
+ }
+ return $theme_roots;
+}
- if ( preg_match('|Tags:(.*)|i', $theme_data, $tags) )
- $tags = array_map( 'trim', explode( ',', wp_kses( trim( $tags[1] ), array() ) ) );
- else
- $tags = array();
+/**
+ * Register a directory that contains themes.
+ *
+ * @since 2.9.0
+ *
+ * @global array $wp_theme_directories
+ *
+ * @param string $directory Either the full filesystem path to a theme folder or a folder within WP_CONTENT_DIR
+ * @return bool
+ */
+function register_theme_directory( $directory ) {
+ global $wp_theme_directories;
+
+ if ( ! file_exists( $directory ) ) {
+ // Try prepending as the theme directory could be relative to the content directory
+ $directory = WP_CONTENT_DIR . '/' . $directory;
+ // If this directory does not exist, return and do not register
+ if ( ! file_exists( $directory ) ) {
+ return false;
+ }
+ }
- $name = $theme = wp_kses( trim( $theme_name[1] ), $themes_allowed_tags );
- $theme_uri = clean_url( trim( $theme_uri[1] ) );
- $description = wptexturize( wp_kses( trim( $description[1] ), $themes_allowed_tags ) );
+ if ( ! is_array( $wp_theme_directories ) ) {
+ $wp_theme_directories = array();
+ }
- if ( preg_match( '|Author:(.*)$|mi', $theme_data, $author_name ) ) {
- if ( empty( $author_uri ) ) {
- $author = wp_kses( trim( $author_name[1] ), $themes_allowed_tags );
- } else {
- $author = sprintf( '%3$s', $author_uri, __( 'Visit author homepage' ), wp_kses( trim( $author_name[1] ), $themes_allowed_tags ) );
- }
- } else {
- $author = __('Anonymous');
+ $untrailed = untrailingslashit( $directory );
+ if ( ! empty( $untrailed ) && ! in_array( $untrailed, $wp_theme_directories ) ) {
+ $wp_theme_directories[] = $untrailed;
}
- return array( 'Name' => $name, 'Title' => $theme, 'URI' => $theme_uri, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template, 'Status' => $status, 'Tags' => $tags );
+ return true;
}
-function get_themes() {
- global $wp_themes, $wp_broken_themes;
-
- if ( isset($wp_themes) )
- return $wp_themes;
+/**
+ * Search all registered theme directories for complete and valid themes.
+ *
+ * @since 2.9.0
+ *
+ * @global array $wp_theme_directories
+ * @staticvar array $found_themes
+ *
+ * @param bool $force Optional. Whether to force a new directory scan. Defaults to false.
+ * @return array|false Valid themes found
+ */
+function search_theme_directories( $force = false ) {
+ global $wp_theme_directories;
+ static $found_themes = null;
- $themes = array();
- $wp_broken_themes = array();
- $theme_loc = $theme_root = get_theme_root();
- if ( '/' != ABSPATH ) // don't want to replace all forward slashes, see Trac #4541
- $theme_loc = str_replace(ABSPATH, '', $theme_root);
-
- // Files in wp-content/themes directory and one subdir down
- $themes_dir = @ opendir($theme_root);
- if ( !$themes_dir )
+ if ( empty( $wp_theme_directories ) )
return false;
- while ( ($theme_dir = readdir($themes_dir)) !== false ) {
- if ( is_dir($theme_root . '/' . $theme_dir) && is_readable($theme_root . '/' . $theme_dir) ) {
- if ( $theme_dir{0} == '.' || $theme_dir == '..' || $theme_dir == 'CVS' )
+ if ( ! $force && isset( $found_themes ) )
+ return $found_themes;
+
+ $found_themes = array();
+
+ $wp_theme_directories = (array) $wp_theme_directories;
+ $relative_theme_roots = array();
+
+ // Set up maybe-relative, maybe-absolute array of theme directories.
+ // We always want to return absolute, but we need to cache relative
+ // to use in get_theme_root().
+ foreach ( $wp_theme_directories as $theme_root ) {
+ if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) )
+ $relative_theme_roots[ str_replace( WP_CONTENT_DIR, '', $theme_root ) ] = $theme_root;
+ else
+ $relative_theme_roots[ $theme_root ] = $theme_root;
+ }
+
+ /**
+ * Filter whether to get the cache of the registered theme directories.
+ *
+ * @since 3.4.0
+ *
+ * @param bool $cache_expiration Whether to get the cache of the theme directories. Default false.
+ * @param string $cache_directory Directory to be searched for the cache.
+ */
+ if ( $cache_expiration = apply_filters( 'wp_cache_themes_persistently', false, 'search_theme_directories' ) ) {
+ $cached_roots = get_site_transient( 'theme_roots' );
+ if ( is_array( $cached_roots ) ) {
+ foreach ( $cached_roots as $theme_dir => $theme_root ) {
+ // A cached theme root is no longer around, so skip it.
+ if ( ! isset( $relative_theme_roots[ $theme_root ] ) )
+ continue;
+ $found_themes[ $theme_dir ] = array(
+ 'theme_file' => $theme_dir . '/style.css',
+ 'theme_root' => $relative_theme_roots[ $theme_root ], // Convert relative to absolute.
+ );
+ }
+ return $found_themes;
+ }
+ if ( ! is_int( $cache_expiration ) )
+ $cache_expiration = 1800; // half hour
+ } else {
+ $cache_expiration = 1800; // half hour
+ }
+
+ /* Loop the registered theme directories and extract all themes */
+ foreach ( $wp_theme_directories as $theme_root ) {
+
+ // Start with directories in the root of the current theme directory.
+ $dirs = @ scandir( $theme_root );
+ if ( ! $dirs ) {
+ trigger_error( "$theme_root is not readable", E_USER_NOTICE );
+ continue;
+ }
+ foreach ( $dirs as $dir ) {
+ if ( ! is_dir( $theme_root . '/' . $dir ) || $dir[0] == '.' || $dir == 'CVS' )
continue;
- $stylish_dir = @ opendir($theme_root . '/' . $theme_dir);
- $found_stylesheet = false;
- while ( ($theme_file = readdir($stylish_dir)) !== false ) {
- if ( $theme_file == 'style.css' ) {
- $theme_files[] = $theme_dir . '/' . $theme_file;
- $found_stylesheet = true;
- break;
+ if ( file_exists( $theme_root . '/' . $dir . '/style.css' ) ) {
+ // wp-content/themes/a-single-theme
+ // wp-content/themes is $theme_root, a-single-theme is $dir
+ $found_themes[ $dir ] = array(
+ 'theme_file' => $dir . '/style.css',
+ 'theme_root' => $theme_root,
+ );
+ } else {
+ $found_theme = false;
+ // wp-content/themes/a-folder-of-themes/*
+ // wp-content/themes is $theme_root, a-folder-of-themes is $dir, then themes are $sub_dirs
+ $sub_dirs = @ scandir( $theme_root . '/' . $dir );
+ if ( ! $sub_dirs ) {
+ trigger_error( "$theme_root/$dir is not readable", E_USER_NOTICE );
+ continue;
}
- }
- @closedir($stylish_dir);
- if ( !$found_stylesheet ) { // look for themes in that dir
- $subdir = "$theme_root/$theme_dir";
- $subdir_name = $theme_dir;
- $theme_subdir = @ opendir( $subdir );
- while ( ($theme_dir = readdir($theme_subdir)) !== false ) {
- if ( is_dir( $subdir . '/' . $theme_dir) && is_readable($subdir . '/' . $theme_dir) ) {
- if ( $theme_dir{0} == '.' || $theme_dir == '..' || $theme_dir == 'CVS' )
- continue;
- $stylish_dir = @ opendir($subdir . '/' . $theme_dir);
- $found_stylesheet = false;
- while ( ($theme_file = readdir($stylish_dir)) !== false ) {
- if ( $theme_file == 'style.css' ) {
- $theme_files[] = $subdir_name . '/' . $theme_dir . '/' . $theme_file;
- $found_stylesheet = true;
- break;
- }
- }
- @closedir($stylish_dir);
- }
+ foreach ( $sub_dirs as $sub_dir ) {
+ if ( ! is_dir( $theme_root . '/' . $dir . '/' . $sub_dir ) || $dir[0] == '.' || $dir == 'CVS' )
+ continue;
+ if ( ! file_exists( $theme_root . '/' . $dir . '/' . $sub_dir . '/style.css' ) )
+ continue;
+ $found_themes[ $dir . '/' . $sub_dir ] = array(
+ 'theme_file' => $dir . '/' . $sub_dir . '/style.css',
+ 'theme_root' => $theme_root,
+ );
+ $found_theme = true;
}
- @closedir($theme_subdir);
- $wp_broken_themes[$theme_dir] = array('Name' => $theme_dir, 'Title' => $theme_dir, 'Description' => __('Stylesheet is missing.'));
+ // Never mind the above, it's just a theme missing a style.css.
+ // Return it; WP_Theme will catch the error.
+ if ( ! $found_theme )
+ $found_themes[ $dir ] = array(
+ 'theme_file' => $dir . '/style.css',
+ 'theme_root' => $theme_root,
+ );
}
}
}
- if ( is_dir( $theme_dir ) )
- @closedir( $theme_dir );
- if ( !$themes_dir || !$theme_files )
- return $themes;
+ asort( $found_themes );
- sort($theme_files);
+ $theme_roots = array();
+ $relative_theme_roots = array_flip( $relative_theme_roots );
- foreach ( (array) $theme_files as $theme_file ) {
- if ( !is_readable("$theme_root/$theme_file") ) {
- $wp_broken_themes[$theme_file] = array('Name' => $theme_file, 'Title' => $theme_file, 'Description' => __('File not readable.'));
- continue;
- }
+ foreach ( $found_themes as $theme_dir => $theme_data ) {
+ $theme_roots[ $theme_dir ] = $relative_theme_roots[ $theme_data['theme_root'] ]; // Convert absolute to relative.
+ }
- $theme_data = get_theme_data("$theme_root/$theme_file");
+ if ( $theme_roots != get_site_transient( 'theme_roots' ) )
+ set_site_transient( 'theme_roots', $theme_roots, $cache_expiration );
- $name = $theme_data['Name'];
- $title = $theme_data['Title'];
- $description = wptexturize($theme_data['Description']);
- $version = $theme_data['Version'];
- $author = $theme_data['Author'];
- $template = $theme_data['Template'];
- $stylesheet = dirname($theme_file);
+ return $found_themes;
+}
- $screenshot = false;
- foreach ( array('png', 'gif', 'jpg', 'jpeg') as $ext ) {
- if (file_exists("$theme_root/$stylesheet/screenshot.$ext")) {
- $screenshot = "screenshot.$ext";
- break;
- }
- }
+/**
+ * Retrieve path to themes directory.
+ *
+ * Does not have trailing slash.
+ *
+ * @since 1.5.0
+ *
+ * @global array $wp_theme_directories
+ *
+ * @param string $stylesheet_or_template The stylesheet or template name of the theme
+ * @return string Theme path.
+ */
+function get_theme_root( $stylesheet_or_template = false ) {
+ global $wp_theme_directories;
+
+ if ( $stylesheet_or_template && $theme_root = get_raw_theme_root( $stylesheet_or_template ) ) {
+ // Always prepend WP_CONTENT_DIR unless the root currently registered as a theme directory.
+ // This gives relative theme roots the benefit of the doubt when things go haywire.
+ if ( ! in_array( $theme_root, (array) $wp_theme_directories ) )
+ $theme_root = WP_CONTENT_DIR . $theme_root;
+ } else {
+ $theme_root = WP_CONTENT_DIR . '/themes';
+ }
- if ( empty($name) ) {
- $name = dirname($theme_file);
- $title = $name;
- }
+ /**
+ * Filter the absolute path to the themes directory.
+ *
+ * @since 1.5.0
+ *
+ * @param string $theme_root Absolute path to themes directory.
+ */
+ return apply_filters( 'theme_root', $theme_root );
+}
- if ( empty($template) ) {
- if ( file_exists(dirname("$theme_root/$theme_file/index.php")) )
- $template = dirname($theme_file);
+/**
+ * Retrieve URI for themes directory.
+ *
+ * Does not have trailing slash.
+ *
+ * @since 1.5.0
+ *
+ * @global array $wp_theme_directories
+ *
+ * @param string $stylesheet_or_template Optional. The stylesheet or template name of the theme.
+ * Default is to leverage the main theme root.
+ * @param string $theme_root Optional. The theme root for which calculations will be based, preventing
+ * the need for a get_raw_theme_root() call.
+ * @return string Themes URI.
+ */
+function get_theme_root_uri( $stylesheet_or_template = false, $theme_root = false ) {
+ global $wp_theme_directories;
+
+ if ( $stylesheet_or_template && ! $theme_root )
+ $theme_root = get_raw_theme_root( $stylesheet_or_template );
+
+ if ( $stylesheet_or_template && $theme_root ) {
+ if ( in_array( $theme_root, (array) $wp_theme_directories ) ) {
+ // Absolute path. Make an educated guess. YMMV -- but note the filter below.
+ if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) )
+ $theme_root_uri = content_url( str_replace( WP_CONTENT_DIR, '', $theme_root ) );
+ elseif ( 0 === strpos( $theme_root, ABSPATH ) )
+ $theme_root_uri = site_url( str_replace( ABSPATH, '', $theme_root ) );
+ elseif ( 0 === strpos( $theme_root, WP_PLUGIN_DIR ) || 0 === strpos( $theme_root, WPMU_PLUGIN_DIR ) )
+ $theme_root_uri = plugins_url( basename( $theme_root ), $theme_root );
else
- continue;
+ $theme_root_uri = $theme_root;
+ } else {
+ $theme_root_uri = content_url( $theme_root );
}
+ } else {
+ $theme_root_uri = content_url( 'themes' );
+ }
- $template = trim($template);
+ /**
+ * Filter the URI for themes directory.
+ *
+ * @since 1.5.0
+ *
+ * @param string $theme_root_uri The URI for themes directory.
+ * @param string $siteurl WordPress web address which is set in General Options.
+ * @param string $stylesheet_or_template Stylesheet or template name of the theme.
+ */
+ return apply_filters( 'theme_root_uri', $theme_root_uri, get_option( 'siteurl' ), $stylesheet_or_template );
+}
- if ( !file_exists("$theme_root/$template/index.php") ) {
- $parent_dir = dirname(dirname($theme_file));
- if ( file_exists("$theme_root/$parent_dir/$template/index.php") ) {
- $template = "$parent_dir/$template";
- } else {
- $wp_broken_themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => __('Template is missing.'));
- continue;
- }
- }
+/**
+ * Get the raw theme root relative to the content directory with no filters applied.
+ *
+ * @since 3.1.0
+ *
+ * @global array $wp_theme_directories
+ *
+ * @param string $stylesheet_or_template The stylesheet or template name of the theme
+ * @param bool $skip_cache Optional. Whether to skip the cache.
+ * Defaults to false, meaning the cache is used.
+ * @return string Theme root
+ */
+function get_raw_theme_root( $stylesheet_or_template, $skip_cache = false ) {
+ global $wp_theme_directories;
- $stylesheet_files = array();
- $stylesheet_dir = @ dir("$theme_root/$stylesheet");
- if ( $stylesheet_dir ) {
- while ( ($file = $stylesheet_dir->read()) !== false ) {
- if ( !preg_match('|^\.+$|', $file) && preg_match('|\.css$|', $file) )
- $stylesheet_files[] = "$theme_loc/$stylesheet/$file";
- }
- }
+ if ( count($wp_theme_directories) <= 1 )
+ return '/themes';
- $template_files = array();
- $template_dir = @ dir("$theme_root/$template");
- if ( $template_dir ) {
- while(($file = $template_dir->read()) !== false) {
- if ( !preg_match('|^\.+$|', $file) && preg_match('|\.php$|', $file) )
- $template_files[] = "$theme_loc/$template/$file";
- }
+ $theme_root = false;
+
+ // If requesting the root for the current theme, consult options to avoid calling get_theme_roots()
+ if ( ! $skip_cache ) {
+ if ( get_option('stylesheet') == $stylesheet_or_template )
+ $theme_root = get_option('stylesheet_root');
+ elseif ( get_option('template') == $stylesheet_or_template )
+ $theme_root = get_option('template_root');
+ }
+
+ if ( empty($theme_root) ) {
+ $theme_roots = get_theme_roots();
+ if ( !empty($theme_roots[$stylesheet_or_template]) )
+ $theme_root = $theme_roots[$stylesheet_or_template];
+ }
+
+ return $theme_root;
+}
+
+/**
+ * Display localized stylesheet link element.
+ *
+ * @since 2.1.0
+ */
+function locale_stylesheet() {
+ $stylesheet = get_locale_stylesheet_uri();
+ if ( empty($stylesheet) )
+ return;
+ echo '';
+}
+
+/**
+ * Switches the theme.
+ *
+ * Accepts one argument: $stylesheet of the theme. It also accepts an additional function signature
+ * of two arguments: $template then $stylesheet. This is for backwards compatibility.
+ *
+ * @since 2.5.0
+ *
+ * @global array $wp_theme_directories
+ * @global WP_Customize_Manager $wp_customize
+ * @global array $sidebars_widgets
+ *
+ * @param string $stylesheet Stylesheet name
+ */
+function switch_theme( $stylesheet ) {
+ global $wp_theme_directories, $wp_customize, $sidebars_widgets;
+
+ $_sidebars_widgets = null;
+ if ( 'wp_ajax_customize_save' === current_action() ) {
+ $_sidebars_widgets = $wp_customize->post_value( $wp_customize->get_setting( 'old_sidebars_widgets_data' ) );
+ } elseif ( is_array( $sidebars_widgets ) ) {
+ $_sidebars_widgets = $sidebars_widgets;
+ }
+
+ if ( is_array( $_sidebars_widgets ) ) {
+ set_theme_mod( 'sidebars_widgets', array( 'time' => time(), 'data' => $_sidebars_widgets ) );
+ }
+
+ $nav_menu_locations = get_theme_mod( 'nav_menu_locations' );
+
+ if ( func_num_args() > 1 ) {
+ $stylesheet = func_get_arg( 1 );
+ }
+
+ $old_theme = wp_get_theme();
+ $new_theme = wp_get_theme( $stylesheet );
+ $template = $new_theme->get_template();
+
+ update_option( 'template', $template );
+ update_option( 'stylesheet', $stylesheet );
+
+ if ( count( $wp_theme_directories ) > 1 ) {
+ update_option( 'template_root', get_raw_theme_root( $template, true ) );
+ update_option( 'stylesheet_root', get_raw_theme_root( $stylesheet, true ) );
+ } else {
+ delete_option( 'template_root' );
+ delete_option( 'stylesheet_root' );
+ }
+
+ $new_name = $new_theme->get('Name');
+
+ update_option( 'current_theme', $new_name );
+
+ // Migrate from the old mods_{name} option to theme_mods_{slug}.
+ if ( is_admin() && false === get_option( 'theme_mods_' . $stylesheet ) ) {
+ $default_theme_mods = (array) get_option( 'mods_' . $new_name );
+ if ( ! empty( $nav_menu_locations ) && empty( $default_theme_mods['nav_menu_locations'] ) ) {
+ $default_theme_mods['nav_menu_locations'] = $nav_menu_locations;
+ }
+ add_option( "theme_mods_$stylesheet", $default_theme_mods );
+ } else {
+ /*
+ * Since retrieve_widgets() is called when initializing a theme in the Customizer,
+ * we need to remove the theme mods to avoid overwriting changes made via
+ * the Customizer when accessing wp-admin/widgets.php.
+ */
+ if ( 'wp_ajax_customize_save' === current_action() ) {
+ remove_theme_mod( 'sidebars_widgets' );
}
- $template_dir = dirname($template_files[0]);
- $stylesheet_dir = dirname($stylesheet_files[0]);
-
- if ( empty($template_dir) )
- $template_dir = '/';
- if ( empty($stylesheet_dir) )
- $stylesheet_dir = '/';
-
- // Check for theme name collision. This occurs if a theme is copied to
- // a new theme directory and the theme header is not updated. Whichever
- // theme is first keeps the name. Subsequent themes get a suffix applied.
- // The Default and Classic themes always trump their pretenders.
- if ( isset($themes[$name]) ) {
- if ( ('WordPress Default' == $name || 'WordPress Classic' == $name) &&
- ('default' == $stylesheet || 'classic' == $stylesheet) ) {
- // If another theme has claimed to be one of our default themes, move
- // them aside.
- $suffix = $themes[$name]['Stylesheet'];
- $new_name = "$name/$suffix";
- $themes[$new_name] = $themes[$name];
- $themes[$new_name]['Name'] = $new_name;
- } else {
- $name = "$name/$stylesheet";
+ if ( ! empty( $nav_menu_locations ) ) {
+ $nav_mods = get_theme_mod( 'nav_menu_locations' );
+ if ( empty( $nav_mods ) ) {
+ set_theme_mod( 'nav_menu_locations', $nav_menu_locations );
}
}
+ }
+
+ update_option( 'theme_switched', $old_theme->get_stylesheet() );
+
+ /**
+ * Fires after the theme is switched.
+ *
+ * @since 1.5.0
+ * @since 4.5.0 Introduced the `$old_theme` parameter.
+ *
+ * @param string $new_name Name of the new theme.
+ * @param WP_Theme $new_theme WP_Theme instance of the new theme.
+ * @param WP_Theme $old_theme WP_Theme instance of the old theme.
+ */
+ do_action( 'switch_theme', $new_name, $new_theme, $old_theme );
+}
+
+/**
+ * Checks that current theme files 'index.php' and 'style.css' exists.
+ *
+ * Does not initially check the default theme, which is the fallback and should always exist.
+ * But if it doesn't exist, it'll fall back to the latest core default theme that does exist.
+ * Will switch theme to the fallback theme if current theme does not validate.
+ *
+ * You can use the 'validate_current_theme' filter to return false to
+ * disable this functionality.
+ *
+ * @since 1.5.0
+ * @see WP_DEFAULT_THEME
+ *
+ * @return bool
+ */
+function validate_current_theme() {
+ /**
+ * Filter whether to validate the current theme.
+ *
+ * @since 2.7.0
+ *
+ * @param bool $validate Whether to validate the current theme. Default true.
+ */
+ if ( wp_installing() || ! apply_filters( 'validate_current_theme', true ) )
+ return true;
+
+ if ( ! file_exists( get_template_directory() . '/index.php' ) ) {
+ // Invalid.
+ } elseif ( ! file_exists( get_template_directory() . '/style.css' ) ) {
+ // Invalid.
+ } elseif ( is_child_theme() && ! file_exists( get_stylesheet_directory() . '/style.css' ) ) {
+ // Invalid.
+ } else {
+ // Valid.
+ return true;
+ }
+
+ $default = wp_get_theme( WP_DEFAULT_THEME );
+ if ( $default->exists() ) {
+ switch_theme( WP_DEFAULT_THEME );
+ return false;
+ }
- $themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template, 'Stylesheet' => $stylesheet, 'Template Files' => $template_files, 'Stylesheet Files' => $stylesheet_files, 'Template Dir' => $template_dir, 'Stylesheet Dir' => $stylesheet_dir, 'Status' => $theme_data['Status'], 'Screenshot' => $screenshot, 'Tags' => $theme_data['Tags']);
+ /**
+ * If we're in an invalid state but WP_DEFAULT_THEME doesn't exist,
+ * switch to the latest core default theme that's installed.
+ * If it turns out that this latest core default theme is our current
+ * theme, then there's nothing we can do about that, so we have to bail,
+ * rather than going into an infinite loop. (This is why there are
+ * checks against WP_DEFAULT_THEME above, also.) We also can't do anything
+ * if it turns out there is no default theme installed. (That's `false`.)
+ */
+ $default = WP_Theme::get_core_default_theme();
+ if ( false === $default || get_stylesheet() == $default->get_stylesheet() ) {
+ return true;
}
- // Resolve theme dependencies.
- $theme_names = array_keys($themes);
+ switch_theme( $default->get_stylesheet() );
+ return false;
+}
- foreach ( (array) $theme_names as $theme_name ) {
- $themes[$theme_name]['Parent Theme'] = '';
- if ( $themes[$theme_name]['Stylesheet'] != $themes[$theme_name]['Template'] ) {
- foreach ( (array) $theme_names as $parent_theme_name ) {
- if ( ($themes[$parent_theme_name]['Stylesheet'] == $themes[$parent_theme_name]['Template']) && ($themes[$parent_theme_name]['Template'] == $themes[$theme_name]['Template']) ) {
- $themes[$theme_name]['Parent Theme'] = $themes[$parent_theme_name]['Name'];
- break;
- }
- }
+/**
+ * Retrieve all theme modifications.
+ *
+ * @since 3.1.0
+ *
+ * @return array|void Theme modifications.
+ */
+function get_theme_mods() {
+ $theme_slug = get_option( 'stylesheet' );
+ $mods = get_option( "theme_mods_$theme_slug" );
+ if ( false === $mods ) {
+ $theme_name = get_option( 'current_theme' );
+ if ( false === $theme_name )
+ $theme_name = wp_get_theme()->get('Name');
+ $mods = get_option( "mods_$theme_name" ); // Deprecated location.
+ if ( is_admin() && false !== $mods ) {
+ update_option( "theme_mods_$theme_slug", $mods );
+ delete_option( "mods_$theme_name" );
}
}
+ return $mods;
+}
+
+/**
+ * Retrieve theme modification value for the current theme.
+ *
+ * If the modification name does not exist, then the $default will be passed
+ * through {@link http://php.net/sprintf sprintf()} PHP function with the first
+ * string the template directory URI and the second string the stylesheet
+ * directory URI.
+ *
+ * @since 2.1.0
+ *
+ * @param string $name Theme modification name.
+ * @param bool|string $default
+ * @return string
+ */
+function get_theme_mod( $name, $default = false ) {
+ $mods = get_theme_mods();
+
+ if ( isset( $mods[$name] ) ) {
+ /**
+ * Filter the theme modification, or 'theme_mod', value.
+ *
+ * The dynamic portion of the hook name, `$name`, refers to
+ * the key name of the modification array. For example,
+ * 'header_textcolor', 'header_image', and so on depending
+ * on the theme options.
+ *
+ * @since 2.2.0
+ *
+ * @param string $current_mod The value of the current theme modification.
+ */
+ return apply_filters( "theme_mod_{$name}", $mods[$name] );
+ }
- $wp_themes = $themes;
+ if ( is_string( $default ) )
+ $default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() );
- return $themes;
+ /** This filter is documented in wp-includes/theme.php */
+ return apply_filters( "theme_mod_{$name}", $default );
+}
+
+/**
+ * Update theme modification value for the current theme.
+ *
+ * @since 2.1.0
+ *
+ * @param string $name Theme modification name.
+ * @param mixed $value Theme modification value.
+ */
+function set_theme_mod( $name, $value ) {
+ $mods = get_theme_mods();
+ $old_value = isset( $mods[ $name ] ) ? $mods[ $name ] : false;
+
+ /**
+ * Filter the theme mod value on save.
+ *
+ * The dynamic portion of the hook name, `$name`, refers to the key name of
+ * the modification array. For example, 'header_textcolor', 'header_image',
+ * and so on depending on the theme options.
+ *
+ * @since 3.9.0
+ *
+ * @param string $value The new value of the theme mod.
+ * @param string $old_value The current value of the theme mod.
+ */
+ $mods[ $name ] = apply_filters( "pre_set_theme_mod_$name", $value, $old_value );
+
+ $theme = get_option( 'stylesheet' );
+ update_option( "theme_mods_$theme", $mods );
}
-function get_theme($theme) {
- $themes = get_themes();
+/**
+ * Remove theme modification name from current theme list.
+ *
+ * If removing the name also removes all elements, then the entire option will
+ * be removed.
+ *
+ * @since 2.1.0
+ *
+ * @param string $name Theme modification name.
+ */
+function remove_theme_mod( $name ) {
+ $mods = get_theme_mods();
+
+ if ( ! isset( $mods[ $name ] ) )
+ return;
- if ( array_key_exists($theme, $themes) )
- return $themes[$theme];
+ unset( $mods[ $name ] );
- return NULL;
+ if ( empty( $mods ) ) {
+ remove_theme_mods();
+ return;
+ }
+ $theme = get_option( 'stylesheet' );
+ update_option( "theme_mods_$theme", $mods );
}
-function get_current_theme() {
- if ( $theme = get_option('current_theme') )
- return $theme;
+/**
+ * Remove theme modifications option for current theme.
+ *
+ * @since 2.1.0
+ */
+function remove_theme_mods() {
+ delete_option( 'theme_mods_' . get_option( 'stylesheet' ) );
- $themes = get_themes();
- $theme_names = array_keys($themes);
- $current_template = get_option('template');
- $current_stylesheet = get_option('stylesheet');
- $current_theme = 'WordPress Default';
+ // Old style.
+ $theme_name = get_option( 'current_theme' );
+ if ( false === $theme_name )
+ $theme_name = wp_get_theme()->get('Name');
+ delete_option( 'mods_' . $theme_name );
+}
- if ( $themes ) {
- foreach ( (array) $theme_names as $theme_name ) {
- if ( $themes[$theme_name]['Stylesheet'] == $current_stylesheet &&
- $themes[$theme_name]['Template'] == $current_template ) {
- $current_theme = $themes[$theme_name]['Name'];
- break;
+/**
+ * Retrieves the custom header text color in HEX format.
+ *
+ * @since 2.1.0
+ *
+ * @return string Header text color in HEX format (minus the hash symbol).
+ */
+function get_header_textcolor() {
+ return get_theme_mod('header_textcolor', get_theme_support( 'custom-header', 'default-text-color' ) );
+}
+
+/**
+ * Displays the custom header text color in HEX format (minus the hash symbol).
+ *
+ * @since 2.1.0
+ */
+function header_textcolor() {
+ echo get_header_textcolor();
+}
+
+/**
+ * Whether to display the header text.
+ *
+ * @since 3.4.0
+ *
+ * @return bool
+ */
+function display_header_text() {
+ if ( ! current_theme_supports( 'custom-header', 'header-text' ) )
+ return false;
+
+ $text_color = get_theme_mod( 'header_textcolor', get_theme_support( 'custom-header', 'default-text-color' ) );
+ return 'blank' !== $text_color;
+}
+
+/**
+ * Check whether a header image is set or not.
+ *
+ * @since 4.2.0
+ *
+ * @see get_header_image()
+ *
+ * @return bool Whether a header image is set or not.
+ */
+function has_header_image() {
+ return (bool) get_header_image();
+}
+
+/**
+ * Retrieve header image for custom header.
+ *
+ * @since 2.1.0
+ *
+ * @return string|false
+ */
+function get_header_image() {
+ $url = get_theme_mod( 'header_image', get_theme_support( 'custom-header', 'default-image' ) );
+
+ if ( 'remove-header' == $url )
+ return false;
+
+ if ( is_random_header_image() )
+ $url = get_random_header_image();
+
+ return esc_url_raw( set_url_scheme( $url ) );
+}
+
+/**
+ * Create image tag markup for a custom header image.
+ *
+ * @since 4.4.0
+ *
+ * @param array $attr Optional. Additional attributes for the image tag. Can be used
+ * to override the default attributes. Default empty.
+ * @return string HTML image element markup or empty string on failure.
+ */
+function get_header_image_tag( $attr = array() ) {
+ $header = get_custom_header();
+
+ if ( empty( $header->url ) ) {
+ return '';
+ }
+
+ $width = absint( $header->width );
+ $height = absint( $header->height );
+
+ $attr = wp_parse_args(
+ $attr,
+ array(
+ 'src' => $header->url,
+ 'width' => $width,
+ 'height' => $height,
+ 'alt' => get_bloginfo( 'name' ),
+ )
+ );
+
+ // Generate 'srcset' and 'sizes' if not already present.
+ if ( empty( $attr['srcset'] ) && ! empty( $header->attachment_id ) ) {
+ $image_meta = get_post_meta( $header->attachment_id, '_wp_attachment_metadata', true );
+ $size_array = array( $width, $height );
+
+ if ( is_array( $image_meta ) ) {
+ $srcset = wp_calculate_image_srcset( $size_array, $header->url, $image_meta, $header->attachment_id );
+ $sizes = ! empty( $attr['sizes'] ) ? $attr['sizes'] : wp_calculate_image_sizes( $size_array, $header->url, $image_meta, $header->attachment_id );
+
+ if ( $srcset && $sizes ) {
+ $attr['srcset'] = $srcset;
+ $attr['sizes'] = $sizes;
}
}
}
- update_option('current_theme', $current_theme);
+ $attr = array_map( 'esc_attr', $attr );
+ $html = ' $value ) {
+ $html .= ' ' . $name . '="' . $value . '"';
+ }
-function get_theme_root() {
- return apply_filters('theme_root', ABSPATH . "wp-content/themes");
+ $html .= ' />';
+
+ /**
+ * Filter the markup of header images.
+ *
+ * @since 4.4.0
+ *
+ * @param string $html The HTML image tag markup being filtered.
+ * @param object $header The custom header object returned by 'get_custom_header()'.
+ * @param array $attr Array of the attributes for the image tag.
+ */
+ return apply_filters( 'get_header_image_tag', $html, $header, $attr );
}
-function get_theme_root_uri() {
- return apply_filters('theme_root_uri', get_option('siteurl') . "/wp-content/themes", get_option('siteurl'));
+/**
+ * Display the image markup for a custom header image.
+ *
+ * @since 4.4.0
+ *
+ * @param array $attr Optional. Attributes for the image markup. Default empty.
+ */
+function the_header_image_tag( $attr = array() ) {
+ echo get_header_image_tag( $attr );
}
-function get_query_template($type) {
- $template = '';
- $type = preg_replace( '|[^a-z0-9-]+|', '', $type );
- if ( file_exists(TEMPLATEPATH . "/{$type}.php") )
- $template = TEMPLATEPATH . "/{$type}.php";
+/**
+ * Get random header image data from registered images in theme.
+ *
+ * @since 3.4.0
+ *
+ * @access private
+ *
+ * @global array $_wp_default_headers
+ * @staticvar object $_wp_random_header
+ *
+ * @return object
+ */
+function _get_random_header_data() {
+ static $_wp_random_header = null;
+
+ if ( empty( $_wp_random_header ) ) {
+ global $_wp_default_headers;
+ $header_image_mod = get_theme_mod( 'header_image', '' );
+ $headers = array();
+
+ if ( 'random-uploaded-image' == $header_image_mod )
+ $headers = get_uploaded_header_images();
+ elseif ( ! empty( $_wp_default_headers ) ) {
+ if ( 'random-default-image' == $header_image_mod ) {
+ $headers = $_wp_default_headers;
+ } else {
+ if ( current_theme_supports( 'custom-header', 'random-default' ) )
+ $headers = $_wp_default_headers;
+ }
+ }
+
+ if ( empty( $headers ) )
+ return new stdClass;
+
+ $_wp_random_header = (object) $headers[ array_rand( $headers ) ];
- return apply_filters("{$type}_template", $template);
+ $_wp_random_header->url = sprintf( $_wp_random_header->url, get_template_directory_uri(), get_stylesheet_directory_uri() );
+ $_wp_random_header->thumbnail_url = sprintf( $_wp_random_header->thumbnail_url, get_template_directory_uri(), get_stylesheet_directory_uri() );
+ }
+ return $_wp_random_header;
}
-function get_404_template() {
- return get_query_template('404');
+/**
+ * Get random header image url from registered images in theme.
+ *
+ * @since 3.2.0
+ *
+ * @return string Path to header image
+ */
+function get_random_header_image() {
+ $random_image = _get_random_header_data();
+ if ( empty( $random_image->url ) )
+ return '';
+ return $random_image->url;
}
-function get_archive_template() {
- return get_query_template('archive');
+/**
+ * Check if random header image is in use.
+ *
+ * Always true if user expressly chooses the option in Appearance > Header.
+ * Also true if theme has multiple header images registered, no specific header image
+ * is chosen, and theme turns on random headers with add_theme_support().
+ *
+ * @since 3.2.0
+ *
+ * @param string $type The random pool to use. any|default|uploaded
+ * @return bool
+ */
+function is_random_header_image( $type = 'any' ) {
+ $header_image_mod = get_theme_mod( 'header_image', get_theme_support( 'custom-header', 'default-image' ) );
+
+ if ( 'any' == $type ) {
+ if ( 'random-default-image' == $header_image_mod || 'random-uploaded-image' == $header_image_mod || ( '' != get_random_header_image() && empty( $header_image_mod ) ) )
+ return true;
+ } else {
+ if ( "random-$type-image" == $header_image_mod )
+ return true;
+ elseif ( 'default' == $type && empty( $header_image_mod ) && '' != get_random_header_image() )
+ return true;
+ }
+
+ return false;
}
-function get_author_template() {
- return get_query_template('author');
+/**
+ * Display header image URL.
+ *
+ * @since 2.1.0
+ */
+function header_image() {
+ $image = get_header_image();
+ if ( $image ) {
+ echo esc_url( $image );
+ }
}
-function get_category_template() {
- $template = '';
- if ( file_exists(TEMPLATEPATH . "/category-" . absint( get_query_var('cat') ) . '.php') )
- $template = TEMPLATEPATH . "/category-" . absint( get_query_var('cat') ) . '.php';
- elseif ( file_exists(TEMPLATEPATH . "/category.php") )
- $template = TEMPLATEPATH . "/category.php";
+/**
+ * Get the header images uploaded for the current theme.
+ *
+ * @since 3.2.0
+ *
+ * @return array
+ */
+function get_uploaded_header_images() {
+ $header_images = array();
+
+ // @todo caching
+ $headers = get_posts( array( 'post_type' => 'attachment', 'meta_key' => '_wp_attachment_is_custom_header', 'meta_value' => get_option('stylesheet'), 'orderby' => 'none', 'nopaging' => true ) );
+
+ if ( empty( $headers ) )
+ return array();
+
+ foreach ( (array) $headers as $header ) {
+ $url = esc_url_raw( wp_get_attachment_url( $header->ID ) );
+ $header_data = wp_get_attachment_metadata( $header->ID );
+ $header_index = $header->ID;
+
+ $header_images[$header_index] = array();
+ $header_images[$header_index]['attachment_id'] = $header->ID;
+ $header_images[$header_index]['url'] = $url;
+ $header_images[$header_index]['thumbnail_url'] = $url;
+ $header_images[$header_index]['alt_text'] = get_post_meta( $header->ID, '_wp_attachment_image_alt', true );
+
+ if ( isset( $header_data['width'] ) )
+ $header_images[$header_index]['width'] = $header_data['width'];
+ if ( isset( $header_data['height'] ) )
+ $header_images[$header_index]['height'] = $header_data['height'];
+ }
- return apply_filters('category_template', $template);
+ return $header_images;
}
-function get_tag_template() {
- $template = '';
- if ( file_exists(TEMPLATEPATH . "/tag-" . get_query_var('tag') . '.php') )
- $template = TEMPLATEPATH . "/tag-" . get_query_var('tag') . '.php';
- elseif ( file_exists(TEMPLATEPATH . "/tag.php") )
- $template = TEMPLATEPATH . "/tag.php";
+/**
+ * Get the header image data.
+ *
+ * @since 3.4.0
+ *
+ * @global array $_wp_default_headers
+ *
+ * @return object
+ */
+function get_custom_header() {
+ global $_wp_default_headers;
- return apply_filters('tag_template', $template);
+ if ( is_random_header_image() ) {
+ $data = _get_random_header_data();
+ } else {
+ $data = get_theme_mod( 'header_image_data' );
+ if ( ! $data && current_theme_supports( 'custom-header', 'default-image' ) ) {
+ $directory_args = array( get_template_directory_uri(), get_stylesheet_directory_uri() );
+ $data = array();
+ $data['url'] = $data['thumbnail_url'] = vsprintf( get_theme_support( 'custom-header', 'default-image' ), $directory_args );
+ if ( ! empty( $_wp_default_headers ) ) {
+ foreach ( (array) $_wp_default_headers as $default_header ) {
+ $url = vsprintf( $default_header['url'], $directory_args );
+ if ( $data['url'] == $url ) {
+ $data = $default_header;
+ $data['url'] = $url;
+ $data['thumbnail_url'] = vsprintf( $data['thumbnail_url'], $directory_args );
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ $default = array(
+ 'url' => '',
+ 'thumbnail_url' => '',
+ 'width' => get_theme_support( 'custom-header', 'width' ),
+ 'height' => get_theme_support( 'custom-header', 'height' ),
+ );
+ return (object) wp_parse_args( $data, $default );
}
-function get_taxonomy_template() {
- $template = '';
- $taxonomy = get_query_var('taxonomy');
- $term = get_query_var('term');
- if ( $taxonomy && $term && file_exists(TEMPLATEPATH . "/taxonomy-$taxonomy-$term.php") )
- $template = TEMPLATEPATH . "/taxonomy-$taxonomy-$term.php";
- elseif ( $taxonomy && file_exists(TEMPLATEPATH . "/taxonomy-$taxonomy.php") )
- $template = TEMPLATEPATH . "/taxonomy-$taxonomy.php";
- elseif ( file_exists(TEMPLATEPATH . "/taxonomy.php") )
- $template = TEMPLATEPATH . "/taxonomy.php";
+/**
+ * Register a selection of default headers to be displayed by the custom header admin UI.
+ *
+ * @since 3.0.0
+ *
+ * @global array $_wp_default_headers
+ *
+ * @param array $headers Array of headers keyed by a string id. The ids point to arrays containing 'url', 'thumbnail_url', and 'description' keys.
+ */
+function register_default_headers( $headers ) {
+ global $_wp_default_headers;
+
+ $_wp_default_headers = array_merge( (array) $_wp_default_headers, (array) $headers );
+}
- return apply_filters('taxonomy_template', $template);
+/**
+ * Unregister default headers.
+ *
+ * This function must be called after register_default_headers() has already added the
+ * header you want to remove.
+ *
+ * @see register_default_headers()
+ * @since 3.0.0
+ *
+ * @global array $_wp_default_headers
+ *
+ * @param string|array $header The header string id (key of array) to remove, or an array thereof.
+ * @return bool|void A single header returns true on success, false on failure.
+ * There is currently no return value for multiple headers.
+ */
+function unregister_default_headers( $header ) {
+ global $_wp_default_headers;
+ if ( is_array( $header ) ) {
+ array_map( 'unregister_default_headers', $header );
+ } elseif ( isset( $_wp_default_headers[ $header ] ) ) {
+ unset( $_wp_default_headers[ $header ] );
+ return true;
+ } else {
+ return false;
+ }
}
-function get_date_template() {
- return get_query_template('date');
+/**
+ * Retrieve background image for custom background.
+ *
+ * @since 3.0.0
+ *
+ * @return string
+ */
+function get_background_image() {
+ return get_theme_mod('background_image', get_theme_support( 'custom-background', 'default-image' ) );
}
-function get_home_template() {
- $template = '';
+/**
+ * Display background image path.
+ *
+ * @since 3.0.0
+ */
+function background_image() {
+ echo get_background_image();
+}
- if ( file_exists(TEMPLATEPATH . "/home.php") )
- $template = TEMPLATEPATH . "/home.php";
- elseif ( file_exists(TEMPLATEPATH . "/index.php") )
- $template = TEMPLATEPATH . "/index.php";
+/**
+ * Retrieve value for custom background color.
+ *
+ * @since 3.0.0
+ *
+ * @return string
+ */
+function get_background_color() {
+ return get_theme_mod('background_color', get_theme_support( 'custom-background', 'default-color' ) );
+}
- return apply_filters('home_template', $template);
+/**
+ * Display background color value.
+ *
+ * @since 3.0.0
+ */
+function background_color() {
+ echo get_background_color();
}
-function get_page_template() {
- global $wp_query;
+/**
+ * Default custom background callback.
+ *
+ * @since 3.0.0
+ * @access protected
+ */
+function _custom_background_cb() {
+ // $background is the saved custom image, or the default image.
+ $background = set_url_scheme( get_background_image() );
- $id = (int) $wp_query->post->ID;
- $template = get_post_meta($id, '_wp_page_template', true);
+ // $color is the saved custom color.
+ // A default has to be specified in style.css. It will not be printed here.
+ $color = get_background_color();
- if ( 'default' == $template )
- $template = '';
+ if ( $color === get_theme_support( 'custom-background', 'default-color' ) ) {
+ $color = false;
+ }
- if ( !empty($template) && file_exists(TEMPLATEPATH . "/$template") )
- $template = TEMPLATEPATH . "/$template";
- elseif ( file_exists(TEMPLATEPATH . "/page.php") )
- $template = TEMPLATEPATH . "/page.php";
- else
- $template = '';
+ if ( ! $background && ! $color )
+ return;
- return apply_filters('page_template', $template);
-}
+ $style = $color ? "background-color: #$color;" : '';
+
+ if ( $background ) {
+ $image = " background-image: url('$background');";
-function get_paged_template() {
- return get_query_template('paged');
+ $repeat = get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) );
+ if ( ! in_array( $repeat, array( 'no-repeat', 'repeat-x', 'repeat-y', 'repeat' ) ) )
+ $repeat = 'repeat';
+ $repeat = " background-repeat: $repeat;";
+
+ $position = get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) );
+ if ( ! in_array( $position, array( 'center', 'right', 'left' ) ) )
+ $position = 'left';
+ $position = " background-position: top $position;";
+
+ $attachment = get_theme_mod( 'background_attachment', get_theme_support( 'custom-background', 'default-attachment' ) );
+ if ( ! in_array( $attachment, array( 'fixed', 'scroll' ) ) )
+ $attachment = 'scroll';
+ $attachment = " background-attachment: $attachment;";
+
+ $style .= $image . $repeat . $position . $attachment;
+ }
+?>
+
+post_mime_type);
- if ( $template = get_query_template($type[0]) )
- return $template;
- elseif ( $template = get_query_template($type[1]) )
- return $template;
- elseif ( $template = get_query_template("$type[0]_$type[1]") )
- return $template;
- else
- return get_query_template('attachment');
+/**
+ * Retrieve any registered editor stylesheets
+ *
+ * @since 4.0.0
+ *
+ * @global array $editor_styles Registered editor stylesheets
+ *
+ * @return array If registered, a list of editor stylesheet URLs.
+ */
+function get_editor_stylesheets() {
+ $stylesheets = array();
+ // load editor_style.css if the current theme supports it
+ if ( ! empty( $GLOBALS['editor_styles'] ) && is_array( $GLOBALS['editor_styles'] ) ) {
+ $editor_styles = $GLOBALS['editor_styles'];
+
+ $editor_styles = array_unique( array_filter( $editor_styles ) );
+ $style_uri = get_stylesheet_directory_uri();
+ $style_dir = get_stylesheet_directory();
+
+ // Support externally referenced styles (like, say, fonts).
+ foreach ( $editor_styles as $key => $file ) {
+ if ( preg_match( '~^(https?:)?//~', $file ) ) {
+ $stylesheets[] = esc_url_raw( $file );
+ unset( $editor_styles[ $key ] );
+ }
+ }
+
+ // Look in a parent theme first, that way child theme CSS overrides.
+ if ( is_child_theme() ) {
+ $template_uri = get_template_directory_uri();
+ $template_dir = get_template_directory();
+
+ foreach ( $editor_styles as $key => $file ) {
+ if ( $file && file_exists( "$template_dir/$file" ) ) {
+ $stylesheets[] = "$template_uri/$file";
+ }
+ }
+ }
+
+ foreach ( $editor_styles as $file ) {
+ if ( $file && file_exists( "$style_dir/$file" ) ) {
+ $stylesheets[] = "$style_uri/$file";
+ }
+ }
+ }
+
+ /**
+ * Filter the array of stylesheets applied to the editor.
+ *
+ * @since 4.3.0
+ *
+ * @param array $stylesheets Array of stylesheets to be applied to the editor.
+ */
+ return apply_filters( 'editor_stylesheets', $stylesheets );
}
-function get_comments_popup_template() {
- if ( file_exists( TEMPLATEPATH . '/comments-popup.php') )
- $template = TEMPLATEPATH . '/comments-popup.php';
+/**
+ * Allows a theme to register its support of a certain feature
+ *
+ * Must be called in the theme's functions.php file to work.
+ * If attached to a hook, it must be after_setup_theme.
+ * The init hook may be too late for some features.
+ *
+ * @since 2.9.0
+ *
+ * @global array $_wp_theme_features
+ *
+ * @param string $feature The feature being added.
+ * @return void|bool False on failure, void otherwise.
+ */
+function add_theme_support( $feature ) {
+ global $_wp_theme_features;
+
+ if ( func_num_args() == 1 )
+ $args = true;
else
- $template = get_theme_root() . '/default/comments-popup.php';
+ $args = array_slice( func_get_args(), 1 );
- return apply_filters('comments_popup_template', $template);
-}
+ switch ( $feature ) {
+ case 'post-formats' :
+ if ( is_array( $args[0] ) ) {
+ $post_formats = get_post_format_slugs();
+ unset( $post_formats['standard'] );
+
+ $args[0] = array_intersect( $args[0], array_keys( $post_formats ) );
+ }
+ break;
+
+ case 'html5' :
+ // You can't just pass 'html5', you need to pass an array of types.
+ if ( empty( $args[0] ) ) {
+ // Build an array of types for back-compat.
+ $args = array( 0 => array( 'comment-list', 'comment-form', 'search-form' ) );
+ } elseif ( ! is_array( $args[0] ) ) {
+ _doing_it_wrong( "add_theme_support( 'html5' )", __( 'You need to pass an array of types.' ), '3.6.1' );
+ return false;
+ }
+
+ // Calling 'html5' again merges, rather than overwrites.
+ if ( isset( $_wp_theme_features['html5'] ) )
+ $args[0] = array_merge( $_wp_theme_features['html5'][0], $args[0] );
+ break;
-function load_template($_template_file) {
- global $posts, $post, $wp_did_header, $wp_did_template_redirect, $wp_query, $wp_rewrite, $wpdb, $wp_version, $wp, $id, $comment, $user_ID;
+ case 'custom-logo':
+ if ( ! is_array( $args ) ) {
+ $args = array( 0 => array() );
+ }
+ $defaults = array(
+ 'width' => null,
+ 'height' => null,
+ 'flex-width' => false,
+ 'flex-height' => false,
+ 'header-text' => '',
+ );
+ $args[0] = wp_parse_args( array_intersect_key( $args[0], $defaults ), $defaults );
+
+ // Allow full flexibility if no size is specified.
+ if ( is_null( $args[0]['width'] ) && is_null( $args[0]['height'] ) ) {
+ $args[0]['flex-width'] = true;
+ $args[0]['flex-height'] = true;
+ }
+ break;
+
+ case 'custom-header-uploads' :
+ return add_theme_support( 'custom-header', array( 'uploads' => true ) );
+
+ case 'custom-header' :
+ if ( ! is_array( $args ) )
+ $args = array( 0 => array() );
+
+ $defaults = array(
+ 'default-image' => '',
+ 'random-default' => false,
+ 'width' => 0,
+ 'height' => 0,
+ 'flex-height' => false,
+ 'flex-width' => false,
+ 'default-text-color' => '',
+ 'header-text' => true,
+ 'uploads' => true,
+ 'wp-head-callback' => '',
+ 'admin-head-callback' => '',
+ 'admin-preview-callback' => '',
+ );
+
+ $jit = isset( $args[0]['__jit'] );
+ unset( $args[0]['__jit'] );
+
+ // Merge in data from previous add_theme_support() calls.
+ // The first value registered wins. (A child theme is set up first.)
+ if ( isset( $_wp_theme_features['custom-header'] ) )
+ $args[0] = wp_parse_args( $_wp_theme_features['custom-header'][0], $args[0] );
+
+ // Load in the defaults at the end, as we need to insure first one wins.
+ // This will cause all constants to be defined, as each arg will then be set to the default.
+ if ( $jit )
+ $args[0] = wp_parse_args( $args[0], $defaults );
+
+ // If a constant was defined, use that value. Otherwise, define the constant to ensure
+ // the constant is always accurate (and is not defined later, overriding our value).
+ // As stated above, the first value wins.
+ // Once we get to wp_loaded (just-in-time), define any constants we haven't already.
+ // Constants are lame. Don't reference them. This is just for backwards compatibility.
+
+ if ( defined( 'NO_HEADER_TEXT' ) )
+ $args[0]['header-text'] = ! NO_HEADER_TEXT;
+ elseif ( isset( $args[0]['header-text'] ) )
+ define( 'NO_HEADER_TEXT', empty( $args[0]['header-text'] ) );
+
+ if ( defined( 'HEADER_IMAGE_WIDTH' ) )
+ $args[0]['width'] = (int) HEADER_IMAGE_WIDTH;
+ elseif ( isset( $args[0]['width'] ) )
+ define( 'HEADER_IMAGE_WIDTH', (int) $args[0]['width'] );
+
+ if ( defined( 'HEADER_IMAGE_HEIGHT' ) )
+ $args[0]['height'] = (int) HEADER_IMAGE_HEIGHT;
+ elseif ( isset( $args[0]['height'] ) )
+ define( 'HEADER_IMAGE_HEIGHT', (int) $args[0]['height'] );
+
+ if ( defined( 'HEADER_TEXTCOLOR' ) )
+ $args[0]['default-text-color'] = HEADER_TEXTCOLOR;
+ elseif ( isset( $args[0]['default-text-color'] ) )
+ define( 'HEADER_TEXTCOLOR', $args[0]['default-text-color'] );
+
+ if ( defined( 'HEADER_IMAGE' ) )
+ $args[0]['default-image'] = HEADER_IMAGE;
+ elseif ( isset( $args[0]['default-image'] ) )
+ define( 'HEADER_IMAGE', $args[0]['default-image'] );
+
+ if ( $jit && ! empty( $args[0]['default-image'] ) )
+ $args[0]['random-default'] = false;
+
+ // If headers are supported, and we still don't have a defined width or height,
+ // we have implicit flex sizes.
+ if ( $jit ) {
+ if ( empty( $args[0]['width'] ) && empty( $args[0]['flex-width'] ) )
+ $args[0]['flex-width'] = true;
+ if ( empty( $args[0]['height'] ) && empty( $args[0]['flex-height'] ) )
+ $args[0]['flex-height'] = true;
+ }
- if ( is_array($wp_query->query_vars) )
- extract($wp_query->query_vars, EXTR_SKIP);
+ break;
+
+ case 'custom-background' :
+ if ( ! is_array( $args ) )
+ $args = array( 0 => array() );
+
+ $defaults = array(
+ 'default-image' => '',
+ 'default-repeat' => 'repeat',
+ 'default-position-x' => 'left',
+ 'default-attachment' => 'scroll',
+ 'default-color' => '',
+ 'wp-head-callback' => '_custom_background_cb',
+ 'admin-head-callback' => '',
+ 'admin-preview-callback' => '',
+ );
+
+ $jit = isset( $args[0]['__jit'] );
+ unset( $args[0]['__jit'] );
+
+ // Merge in data from previous add_theme_support() calls. The first value registered wins.
+ if ( isset( $_wp_theme_features['custom-background'] ) )
+ $args[0] = wp_parse_args( $_wp_theme_features['custom-background'][0], $args[0] );
+
+ if ( $jit )
+ $args[0] = wp_parse_args( $args[0], $defaults );
+
+ if ( defined( 'BACKGROUND_COLOR' ) )
+ $args[0]['default-color'] = BACKGROUND_COLOR;
+ elseif ( isset( $args[0]['default-color'] ) || $jit )
+ define( 'BACKGROUND_COLOR', $args[0]['default-color'] );
+
+ if ( defined( 'BACKGROUND_IMAGE' ) )
+ $args[0]['default-image'] = BACKGROUND_IMAGE;
+ elseif ( isset( $args[0]['default-image'] ) || $jit )
+ define( 'BACKGROUND_IMAGE', $args[0]['default-image'] );
+
+ break;
+
+ // Ensure that 'title-tag' is accessible in the admin.
+ case 'title-tag' :
+ // Can be called in functions.php but must happen before wp_loaded, i.e. not in header.php.
+ if ( did_action( 'wp_loaded' ) ) {
+ /* translators: 1: Theme support 2: hook name */
+ _doing_it_wrong( "add_theme_support( 'title-tag' )", sprintf( __( 'Theme support for %1$s should be registered before the %2$s hook.' ),
+ 'title-tag
', 'wp_loaded
' ), '4.1' );
+
+ return false;
+ }
+ }
- require_once($_template_file);
+ $_wp_theme_features[ $feature ] = $args;
}
-function locale_stylesheet() {
- $stylesheet = get_locale_stylesheet_uri();
- if ( empty($stylesheet) )
- return;
- echo '';
+/**
+ * Registers the internal custom header and background routines.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @global Custom_Image_Header $custom_image_header
+ * @global Custom_Background $custom_background
+ */
+function _custom_header_background_just_in_time() {
+ global $custom_image_header, $custom_background;
+
+ if ( current_theme_supports( 'custom-header' ) ) {
+ // In case any constants were defined after an add_custom_image_header() call, re-run.
+ add_theme_support( 'custom-header', array( '__jit' => true ) );
+
+ $args = get_theme_support( 'custom-header' );
+ if ( $args[0]['wp-head-callback'] )
+ add_action( 'wp_head', $args[0]['wp-head-callback'] );
+
+ if ( is_admin() ) {
+ require_once( ABSPATH . 'wp-admin/custom-header.php' );
+ $custom_image_header = new Custom_Image_Header( $args[0]['admin-head-callback'], $args[0]['admin-preview-callback'] );
+ }
+ }
+
+ if ( current_theme_supports( 'custom-background' ) ) {
+ // In case any constants were defined after an add_custom_background() call, re-run.
+ add_theme_support( 'custom-background', array( '__jit' => true ) );
+
+ $args = get_theme_support( 'custom-background' );
+ add_action( 'wp_head', $args[0]['wp-head-callback'] );
+
+ if ( is_admin() ) {
+ require_once( ABSPATH . 'wp-admin/custom-background.php' );
+ $custom_background = new Custom_Background( $args[0]['admin-head-callback'], $args[0]['admin-preview-callback'] );
+ }
+ }
}
-function switch_theme($template, $stylesheet) {
- update_option('template', $template);
- update_option('stylesheet', $stylesheet);
- delete_option('current_theme');
- $theme = get_current_theme();
- do_action('switch_theme', $theme);
+/**
+ * Adds CSS to hide header text for custom logo, based on Customizer setting.
+ *
+ * @since 4.5.0
+ * @access private
+ */
+function _custom_logo_header_styles() {
+ if ( ! current_theme_supports( 'custom-header', 'header-text' ) && get_theme_support( 'custom-logo', 'header-text' ) && ! get_theme_mod( 'header_text', true ) ) {
+ $classes = (array) get_theme_support( 'custom-logo', 'header-text' );
+ $classes = array_map( 'sanitize_html_class', $classes );
+ $classes = '.' . implode( ', .', $classes );
+
+ ?>
+
+
+ false ) );
+ return; // Do not continue - custom-header-uploads no longer exists.
}
- if ( get_stylesheet() != 'default' && !file_exists(get_template_directory() . '/style.css') ) {
- switch_theme('default', 'default');
+ if ( ! isset( $_wp_theme_features[ $feature ] ) )
return false;
+
+ switch ( $feature ) {
+ case 'custom-header' :
+ if ( ! did_action( 'wp_loaded' ) )
+ break;
+ $support = get_theme_support( 'custom-header' );
+ if ( $support[0]['wp-head-callback'] )
+ remove_action( 'wp_head', $support[0]['wp-head-callback'] );
+ remove_action( 'admin_menu', array( $GLOBALS['custom_image_header'], 'init' ) );
+ unset( $GLOBALS['custom_image_header'] );
+ break;
+
+ case 'custom-background' :
+ if ( ! did_action( 'wp_loaded' ) )
+ break;
+ $support = get_theme_support( 'custom-background' );
+ remove_action( 'wp_head', $support[0]['wp-head-callback'] );
+ remove_action( 'admin_menu', array( $GLOBALS['custom_background'], 'init' ) );
+ unset( $GLOBALS['custom_background'] );
+ break;
}
+ unset( $_wp_theme_features[ $feature ] );
return true;
}
-function get_theme_mod($name, $default = false) {
- $theme = get_current_theme();
-
- $mods = get_option("mods_$theme");
+/**
+ * Checks a theme's support for a given feature
+ *
+ * @since 2.9.0
+ *
+ * @global array $_wp_theme_features
+ *
+ * @param string $feature the feature being checked
+ * @return bool
+ */
+function current_theme_supports( $feature ) {
+ global $_wp_theme_features;
- if ( isset($mods[$name]) )
- return apply_filters( "theme_mod_$name", $mods[$name] );
+ if ( 'custom-header-uploads' == $feature )
+ return current_theme_supports( 'custom-header', 'uploads' );
- return apply_filters( "theme_mod_$name", sprintf($default, get_template_directory_uri(), get_stylesheet_directory_uri()) );
-}
+ if ( !isset( $_wp_theme_features[$feature] ) )
+ return false;
-function set_theme_mod($name, $value) {
- $theme = get_current_theme();
+ // If no args passed then no extra checks need be performed
+ if ( func_num_args() <= 1 )
+ return true;
- $mods = get_option("mods_$theme");
+ $args = array_slice( func_get_args(), 1 );
+
+ switch ( $feature ) {
+ case 'post-thumbnails':
+ // post-thumbnails can be registered for only certain content/post types by passing
+ // an array of types to add_theme_support(). If no array was passed, then
+ // any type is accepted
+ if ( true === $_wp_theme_features[$feature] ) // Registered for all types
+ return true;
+ $content_type = $args[0];
+ return in_array( $content_type, $_wp_theme_features[$feature][0] );
+
+ case 'html5':
+ case 'post-formats':
+ // specific post formats can be registered by passing an array of types to
+ // add_theme_support()
+
+ // Specific areas of HTML5 support *must* be passed via an array to add_theme_support()
+
+ $type = $args[0];
+ return in_array( $type, $_wp_theme_features[$feature][0] );
+
+ case 'custom-logo':
+ case 'custom-header':
+ case 'custom-background':
+ // Specific capabilities can be registered by passing an array to add_theme_support().
+ return ( isset( $_wp_theme_features[ $feature ][0][ $args[0] ] ) && $_wp_theme_features[ $feature ][0][ $args[0] ] );
+ }
- $mods[$name] = $value;
+ /**
+ * Filter whether the current theme supports a specific feature.
+ *
+ * The dynamic portion of the hook name, `$feature`, refers to the specific theme
+ * feature. Possible values include 'post-formats', 'post-thumbnails', 'custom-background',
+ * 'custom-header', 'menus', 'automatic-feed-links', 'html5', and `customize-selective-refresh-widgets`.
+ *
+ * @since 3.4.0
+ *
+ * @param bool true Whether the current theme supports the given feature. Default true.
+ * @param array $args Array of arguments for the feature.
+ * @param string $feature The theme feature.
+ */
+ return apply_filters( "current_theme_supports-{$feature}", true, $args, $_wp_theme_features[$feature] );
+}
- update_option("mods_$theme", $mods);
- wp_cache_delete("mods_$theme", 'options');
+/**
+ * Checks a theme's support for a given feature before loading the functions which implement it.
+ *
+ * @since 2.9.0
+ *
+ * @param string $feature The feature being checked.
+ * @param string $include Path to the file.
+ * @return bool True if the current theme supports the supplied feature, false otherwise.
+ */
+function require_if_theme_supports( $feature, $include ) {
+ if ( current_theme_supports( $feature ) ) {
+ require ( $include );
+ return true;
+ }
+ return false;
}
-function remove_theme_mod( $name ) {
- $theme = get_current_theme();
+/**
+ * Checks an attachment being deleted to see if it's a header or background image.
+ *
+ * If true it removes the theme modification which would be pointing at the deleted
+ * attachment.
+ *
+ * @access private
+ * @since 3.0.0
+ * @since 4.3.0 Also removes `header_image_data`.
+ * @since 4.5.0 Also removes custom logo theme mods.
+ *
+ * @param int $id The attachment id.
+ */
+function _delete_attachment_theme_mod( $id ) {
+ $attachment_image = wp_get_attachment_url( $id );
+ $header_image = get_header_image();
+ $background_image = get_background_image();
+ $custom_logo_id = get_theme_mod( 'custom_logo' );
+
+ if ( $custom_logo_id && $custom_logo_id == $id ) {
+ remove_theme_mod( 'custom_logo' );
+ remove_theme_mod( 'header_text' );
+ }
- $mods = get_option("mods_$theme");
+ if ( $header_image && $header_image == $attachment_image ) {
+ remove_theme_mod( 'header_image' );
+ remove_theme_mod( 'header_image_data' );
+ }
- if ( !isset($mods[$name]) )
- return;
+ if ( $background_image && $background_image == $attachment_image ) {
+ remove_theme_mod( 'background_image' );
+ }
+}
- unset($mods[$name]);
+/**
+ * Checks if a theme has been changed and runs 'after_switch_theme' hook on the next WP load
+ *
+ * @since 3.3.0
+ */
+function check_theme_switched() {
+ if ( $stylesheet = get_option( 'theme_switched' ) ) {
+ $old_theme = wp_get_theme( $stylesheet );
+
+ // Prevent retrieve_widgets() from running since Customizer already called it up front
+ if ( get_option( 'theme_switched_via_customizer' ) ) {
+ remove_action( 'after_switch_theme', '_wp_sidebars_changed' );
+ update_option( 'theme_switched_via_customizer', false );
+ }
- if ( empty($mods) )
- return remove_theme_mods();
+ if ( $old_theme->exists() ) {
+ /**
+ * Fires on the first WP load after a theme switch if the old theme still exists.
+ *
+ * This action fires multiple times and the parameters differs
+ * according to the context, if the old theme exists or not.
+ * If the old theme is missing, the parameter will be the slug
+ * of the old theme.
+ *
+ * @since 3.3.0
+ *
+ * @param string $old_name Old theme name.
+ * @param WP_Theme $old_theme WP_Theme instance of the old theme.
+ */
+ do_action( 'after_switch_theme', $old_theme->get( 'Name' ), $old_theme );
+ } else {
+ /** This action is documented in wp-includes/theme.php */
+ do_action( 'after_switch_theme', $stylesheet );
+ }
+ flush_rewrite_rules();
- update_option("mods_$theme", $mods);
- wp_cache_delete("mods_$theme", 'options');
+ update_option( 'theme_switched', false );
+ }
}
-function remove_theme_mods() {
- $theme = get_current_theme();
+/**
+ * Includes and instantiates the WP_Customize_Manager class.
+ *
+ * Loads the Customizer at plugins_loaded when accessing the customize.php admin
+ * page or when any request includes a wp_customize=on param, either as a GET
+ * query var or as POST data. This param is a signal for whether to bootstrap
+ * the Customizer when WordPress is loading, especially in the Customizer preview
+ * or when making Customizer Ajax requests for widgets or menus.
+ *
+ * @since 3.4.0
+ *
+ * @global WP_Customize_Manager $wp_customize
+ */
+function _wp_customize_include() {
+ if ( ! ( ( isset( $_REQUEST['wp_customize'] ) && 'on' == $_REQUEST['wp_customize'] )
+ || ( is_admin() && 'customize.php' == basename( $_SERVER['PHP_SELF'] ) )
+ ) ) {
+ return;
+ }
- delete_option("mods_$theme");
+ require_once ABSPATH . WPINC . '/class-wp-customize-manager.php';
+ $GLOBALS['wp_customize'] = new WP_Customize_Manager();
}
-function get_header_textcolor() {
- return get_theme_mod('header_textcolor', HEADER_TEXTCOLOR);
-}
+/**
+ * Adds settings for the customize-loader script.
+ *
+ * @since 3.4.0
+ */
+function _wp_customize_loader_settings() {
+ $admin_origin = parse_url( admin_url() );
+ $home_origin = parse_url( home_url() );
+ $cross_domain = ( strtolower( $admin_origin[ 'host' ] ) != strtolower( $home_origin[ 'host' ] ) );
+
+ $browser = array(
+ 'mobile' => wp_is_mobile(),
+ 'ios' => wp_is_mobile() && preg_match( '/iPad|iPod|iPhone/', $_SERVER['HTTP_USER_AGENT'] ),
+ );
-function header_textcolor() {
- echo get_header_textcolor();
+ $settings = array(
+ 'url' => esc_url( admin_url( 'customize.php' ) ),
+ 'isCrossDomain' => $cross_domain,
+ 'browser' => $browser,
+ 'l10n' => array(
+ 'saveAlert' => __( 'The changes you made will be lost if you navigate away from this page.' ),
+ 'mainIframeTitle' => __( 'Customizer' ),
+ ),
+ );
+
+ $script = 'var _wpCustomizeLoaderSettings = ' . wp_json_encode( $settings ) . ';';
+
+ $wp_scripts = wp_scripts();
+ $data = $wp_scripts->get_data( 'customize-loader', 'data' );
+ if ( $data )
+ $script = "$data\n$script";
+
+ $wp_scripts->add_data( 'customize-loader', 'data', $script );
}
-function get_header_image() {
- return get_theme_mod('header_image', HEADER_IMAGE);
+/**
+ * Returns a URL to load the Customizer.
+ *
+ * @since 3.4.0
+ *
+ * @param string $stylesheet Optional. Theme to customize. Defaults to current theme.
+ * The theme's stylesheet will be urlencoded if necessary.
+ * @return string
+ */
+function wp_customize_url( $stylesheet = null ) {
+ $url = admin_url( 'customize.php' );
+ if ( $stylesheet )
+ $url .= '?theme=' . urlencode( $stylesheet );
+ return esc_url( $url );
}
-function header_image() {
- echo get_header_image();
+/**
+ * Prints a script to check whether or not the Customizer is supported,
+ * and apply either the no-customize-support or customize-support class
+ * to the body.
+ *
+ * This function MUST be called inside the body tag.
+ *
+ * Ideally, call this function immediately after the body tag is opened.
+ * This prevents a flash of unstyled content.
+ *
+ * It is also recommended that you add the "no-customize-support" class
+ * to the body tag by default.
+ *
+ * @since 3.4.0
+ */
+function wp_customize_support_script() {
+ $admin_origin = parse_url( admin_url() );
+ $home_origin = parse_url( home_url() );
+ $cross_domain = ( strtolower( $admin_origin[ 'host' ] ) != strtolower( $home_origin[ 'host' ] ) );
+
+ ?>
+
+ is_preview();
}
-
-?>