Allow capability_type to be an array, for odd plural situations such as story/storys/stories. After registration it reverts to a singular string. Lots of documentation for meta capabilities and post types, also some cleanups for register_post_type documentation. see #14122.
git-svn-id: http://svn.automattic.com/wordpress/trunk@15934 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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nacin
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@ -822,37 +822,50 @@ function get_post_types( $args = array(), $output = 'names', $operator = 'and' )
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/**
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* Register a post type. Do not use before init.
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*
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* A simple function for creating or modifying a post type based on the
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* A function for creating or modifying a post type based on the
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* parameters given. The function will accept an array (second optional
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* parameter), along with a string for the post type name.
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*
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*
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* Optional $args contents:
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*
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* - label - Name of the post type shown in the menu. Usually plural. If not set, labels['name'] will be used.
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* - description - A short descriptive summary of what the post type is. Defaults to blank.
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* - public - Whether posts of this type should be shown in the admin UI. Defaults to false.
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* - exclude_from_search - Whether to exclude posts with this post type from search results. Defaults to true if the type is not public, false if the type is public.
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* - publicly_queryable - Whether post_type queries can be performed from the front page. Defaults to whatever public is set as.
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* - show_ui - Whether to generate a default UI for managing this post type. Defaults to true if the type is public, false if the type is not public.
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* - show_in_menu - Where to show the post type in the admin menu. True for a top level menu, false for no menu, or can be a top level page like 'tools.php' or 'edit.php?post_type=page'. show_ui must be true.
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* - exclude_from_search - Whether to exclude posts with this post type from search results.
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* Defaults to true if the type is not public, false if the type is public.
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* - publicly_queryable - Whether post_type queries can be performed from the front page.
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* Defaults to whatever public is set as.
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* - show_ui - Whether to generate a default UI for managing this post type. Defaults to true
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* if the type is public, false if the type is not public.
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* - show_in_menu - Where to show the post type in the admin menu. True for a top level menu,
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* false for no menu, or can be a top level page like 'tools.php' or 'edit.php?post_type=page'.
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* show_ui must be true.
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* - menu_position - The position in the menu order the post type should appear. Defaults to the bottom.
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* - menu_icon - The url to the icon to be used for this menu. Defaults to use the posts icon.
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* - capability_type - The post type to use for checking read, edit, and delete capabilities. Defaults to "post".
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* - capabilities - Array of capabilities for this post type. You can see accepted values in {@link get_post_type_capabilities()}. By default the capability_type is used as a base to construct capabilities.
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* - capability_type - The post type to use for checking read, edit, and delete capabilities. Defaults to 'post'.
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* May be passed as an array to allow for alternative plurals when using this argument as a base to construct the
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* capabilities, e.g. array('story', 'stories').
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* - capabilities - Array of capabilities for this post type. By default the capability_type is used
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* as a base to construct capabilities. You can see accepted values in {@link get_post_type_capabilities()}.
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* - map_meta_cap - Whether to use the internal default meta capability handling. Defaults to false.
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* - hierarchical - Whether the post type is hierarchical. Defaults to false.
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* - supports - An alias for calling add_post_type_support() directly. See add_post_type_support() for Documentation. Defaults to none.
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* - register_meta_box_cb - Provide a callback function that will be called when setting up the meta boxes for the edit form. Do remove_meta_box() and add_meta_box() calls in the callback.
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* - taxonomies - An array of taxonomy identifiers that will be registered for the post type. Default is no taxonomies. Taxonomies can be registered later with register_taxonomy() or register_taxonomy_for_object_type().
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* - labels - An array of labels for this post type. You can see accepted values in {@link get_post_type_labels()}. By default post labels are used for non-hierarchical types and page labels for hierarchical ones.
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* - supports - An alias for calling add_post_type_support() directly. See {@link add_post_type_support()}
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* for documentation. Defaults to none.
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* - register_meta_box_cb - Provide a callback function that will be called when setting up the
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* meta boxes for the edit form. Do remove_meta_box() and add_meta_box() calls in the callback.
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* - taxonomies - An array of taxonomy identifiers that will be registered for the post type.
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* Default is no taxonomies. Taxonomies can be registered later with register_taxonomy() or
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* register_taxonomy_for_object_type().
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* - labels - An array of labels for this post type. By default post labels are used for non-hierarchical
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* types and page labels for hierarchical ones. You can see accepted values in {@link get_post_type_labels()}.
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* - permalink_epmask - The default rewrite endpoint bitmasks.
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* - rewrite - false to prevent rewrite, or array('slug'=>$slug) to customize permastruct; default will use $post_type as slug.
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* - rewrite - false to prevent rewrite. Defaults to true. Use array('slug'=>$slug) to customize permastruct;
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* default will use $post_type as slug. Other options include 'with_front' and 'feeds'.
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* - query_var - false to prevent queries, or string to value of the query var to use for this post type
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* - can_export - true allows this post type to be exported.
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* - show_in_nav_menus - true makes this post type available for selection in navigation menus.
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* - _builtin - true if this post type is a native or "built-in" post_type. THIS IS FOR INTERNAL USE ONLY!
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* - _edit_link - URL segement to use for edit link of this post type. Set to 'post.php?post=%d'. THIS IS FOR INTERNAL USE ONLY!
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* - _builtin - true if this post type is a native or "built-in" post_type. THIS IS FOR INTERNAL USE ONLY!
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* - _edit_link - URL segement to use for edit link of this post type. THIS IS FOR INTERNAL USE ONLY!
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*
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* @since 2.9.0
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* @uses $wp_post_types Inserts new post type object into the list
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@ -908,6 +921,9 @@ function register_post_type($post_type, $args = array()) {
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$args->cap = get_post_type_capabilities( $args );
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unset($args->capabilities);
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if ( is_array( $args->capability_type ) )
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$args->capability_type = $args->capability_type[0];
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if ( ! empty($args->supports) ) {
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add_post_type_support($post_type, $args->supports);
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unset($args->supports);
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@ -974,45 +990,85 @@ function register_post_type($post_type, $args = array()) {
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/**
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* Builds an object with all post type capabilities out of a post type object
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*
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* Accepted keys of the capabilities array in the post type object:
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* - edit_post - The meta capability that controls editing a particular object of this post type. Defaults to "edit_ . $capability_type" (edit_post).
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* - edit_posts - The capability that controls editing objects of this post type as a class. Defaults to "edit_ . $capability_type . s" (edit_posts).
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* - edit_others_posts - The capability that controls editing objects of this post type that are owned by other users. Defaults to "edit_others_ . $capability_type . s" (edit_others_posts).
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* - publish_posts - The capability that controls publishing objects of this post type. Defaults to "publish_ . $capability_type . s" (publish_posts).
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* - read_post - The meta capability that controls reading a particular object of this post type. Defaults to "read_ . $capability_type" (read_post).
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* - read_private_posts - The capability that controls reading private posts. Defaults to "read_private . $capability_type . s" (read_private_posts).
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* - delete_post - The meta capability that controls deleting a particular object of this post type. Defaults to "delete_ . $capability_type" (delete_post).
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* Post type capabilities use the 'capability_type' argument as a base, if the
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* capability is not set in the 'capabilities' argument array or if the
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* 'capabilities' argument is not supplied.
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*
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* The capability_type argument can optionally be registered as an array, with
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* the first value being singular and the second plural, e.g. array('story, 'stories')
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* Otherwise, an 's' will be added to the value for the plural form. After
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* registration, capability_type will always be a string of the singular value.
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*
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* By default, seven keys are accepted as part of the capabilities array:
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*
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* - edit_post, read_post, and delete_post are meta capabilities, which are then
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* generally mapped to corresponding primitive capabilities depending on the
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* context, which would be the post being edited/read/deleted and the user or
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* role being checked. Thus these capabilities would generally not be granted
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* directly to users or roles.
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*
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* - edit_posts - Controls whether objects of this post type can be edited.
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* - edit_others_posts - Controls whether objects of this type owned by other users
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* can be edited. If the post type does not support an author, then this will
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* behave like edit_posts.
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* - publish_posts - Controls publishing objects of this post type.
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* - read_private_posts - Controls whether private objects can be read.
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* These four primitive capabilities are checked in core in various locations.
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* There are also seven other primitive capabilities which are not referenced
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* directly in core, except in map_meta_cap(), which takes the three aforementioned
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* meta capabilities and translates them into one or more primitive capabilities
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* that must then be checked against the user or role, depending on the context.
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*
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* - read - Controls whether objects of this post type can be read.
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* - delete_posts - Controls whether objects of this post type can be deleted.
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* - delete_private_posts - Controls whether private objects can be deleted.
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* - delete_published_posts - Controls whether published objects can be deleted.
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* - delete_others_posts - Controls whether objects owned by other users can be
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* can be deleted. If the post type does not support an author, then this will
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* behave like delete_posts.
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* - edit_private_posts - Controls whether private objects can be edited.
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* - edit_published_posts - Controls whether published objects can be deleted.
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*
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* These additional capabilities are only used in map_meta_cap(). Thus, they are
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* only assigned by default if the post type is registered with the 'map_meta_cap'
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* argument set to true (default is false).
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*
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* @see map_meta_cap()
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* @since 3.0.0
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*
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* @param object $args
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* @param object $args Post type registration arguments
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* @return object object with all the capabilities as member variables
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*/
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function get_post_type_capabilities( $args ) {
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if ( ! is_array( $args->capability_type ) )
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$args->capability_type = array( $args->capability_type, $args->capability_type . 's' );
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// Singular base for meta capabilities, plural base for primitive capabilities.
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list( $singular_base, $plural_base ) = $args->capability_type;
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$default_capabilities = array(
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// Meta capabilities are generally mapped to primitive capabilities depending on the context
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// (which would be the post being edited/deleted/read), instead of granted to users or roles:
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'edit_post' => 'edit_' . $args->capability_type,
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'read_post' => 'read_' . $args->capability_type,
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'delete_post' => 'delete_' . $args->capability_type,
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// Primitive capabilities that are used outside of map_meta_cap():
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'edit_posts' => 'edit_' . $args->capability_type . 's',
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'edit_others_posts' => 'edit_others_' . $args->capability_type . 's',
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'publish_posts' => 'publish_' . $args->capability_type . 's',
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'read_private_posts' => 'read_private_' . $args->capability_type . 's',
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// Meta capabilities
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'edit_post' => 'edit_' . $singular_base,
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'read_post' => 'read_' . $singular_base,
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'delete_post' => 'delete_' . $singular_base,
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// Primitive capabilities used outside of map_meta_cap():
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'edit_posts' => 'edit_' . $plural_base,
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'edit_others_posts' => 'edit_others_' . $plural_base,
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'publish_posts' => 'publish_' . $plural_base,
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'read_private_posts' => 'read_private_' . $plural_base,
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);
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// Primitive capabilities that are used within map_meta_cap():
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// Primitive capabilities used within map_meta_cap():
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if ( $args->map_meta_cap ) {
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$default_capabilities_for_mapping = array(
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'read' => 'read',
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'delete_posts' => 'delete_' . $args->capability_type . 's',
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'delete_private_posts' => 'delete_private_' . $args->capability_type . 's',
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'delete_published_posts' => 'delete_published_' . $args->capability_type . 's',
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'delete_others_posts' => 'delete_others_' . $args->capability_type . 's',
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'edit_private_posts' => 'edit_private_' . $args->capability_type . 's',
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'edit_published_posts' => 'edit_published_' . $args->capability_type . 's',
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'delete_posts' => 'delete_' . $plural_base,
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'delete_private_posts' => 'delete_private_' . $plural_base,
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'delete_published_posts' => 'delete_published_' . $plural_base,
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'delete_others_posts' => 'delete_others_' . $plural_base,
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'edit_private_posts' => 'edit_private_' . $plural_base,
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'edit_published_posts' => 'edit_published_' . $plural_base,
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);
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$default_capabilities = array_merge( $default_capabilities, $default_capabilities_for_mapping );
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}
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