WP_Textdomain_Registry::invalidate_mo_files_cache()wp-includes/class-wp-textdomain-registry.php | Invalidate the cache for .mo files.
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update_post_parent_caches()wp-includes/post.php | Updates parent post caches for a list of post objects.
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update_post_author_caches()wp-includes/post.php | Updates post author user caches for a list of post objects.
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WP_REST_Menu_Items_Controller::prepare_item_for_response()wp-includes/rest-api/endpoints/class-wp-rest-menu-items-controller.php | Prepares a single post output for response.
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get_block_templates()wp-includes/block-template-utils.php | Retrieves a list of unified template objects based on a query.
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WP_REST_Term_Search_Handler::search_items()wp-includes/rest-api/search/class-wp-rest-term-search-handler.php | Searches terms for a given search request.
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get_media_states()wp-admin/includes/template.php | Retrieves an array of media states from an attachment.
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get_feed_build_date()wp-includes/feed.php | Gets the UTC time of the most recently modified post from WP_Query.
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wp_filter_oembed_iframe_title_attribute()wp-includes/embed.php | Filters the given oEmbed HTML to make sure iframes have a title attribute.
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WP_REST_Post_Search_Handler::search_items()wp-includes/rest-api/search/class-wp-rest-post-search-handler.php | Searches posts for a given search request.
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WP_Widget_Media_Gallery::render_media()wp-includes/widgets/class-wp-widget-media-gallery.php | Render the media on the frontend.
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WP_Widget_Media_Audio::render_media()wp-includes/widgets/class-wp-widget-media-audio.php | Render the media on the frontend.
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WP_Widget_Media_Video::render_media()wp-includes/widgets/class-wp-widget-media-video.php | Render the media on the frontend.
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WP_Widget_Media::form()wp-includes/widgets/class-wp-widget-media.php | Outputs the settings update form.
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WP_Widget_Media::widget()wp-includes/widgets/class-wp-widget-media.php | Displays the widget on the front-end.
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WP_Widget_Media_Image::render_media()wp-includes/widgets/class-wp-widget-media-image.php | Render the media on the frontend.
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WP_Community_Events::trim_events()wp-admin/includes/class-wp-community-events.php | Prepares the event list for presentation.
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WP_Customize_Manager::import_theme_starter_content()wp-includes/class-wp-customize-manager.php | Imports theme starter content into the customized state.
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WP_REST_Posts_Controller::prepare_item_for_response()wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php | Prepares a single post output for response.
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WP_REST_Post_Types_Controller::prepare_item_for_response()wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php | Prepares a post type object for serialization.
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WP_Term_Query::get_terms()wp-includes/class-wp-term-query.php | Retrieves the query results.
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WP_Comment_Query::fill_descendants()wp-includes/class-wp-comment-query.php | Fetch descendants for located comments.
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WP_Customize_Manager::unsanitized_post_values()wp-includes/class-wp-customize-manager.php | Gets dirty pre-sanitized setting values in the current customized state.
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WP_Automatic_Updater::send_debug_email()wp-admin/includes/class-wp-automatic-updater.php | Prepares and sends an email of a full log of background update results, useful for debugging and geekery.
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get_terms_to_edit()wp-admin/includes/taxonomy.php | Gets comma-separated list of terms available to edit for the given post ID.
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WP_Plugin_Install_List_Table::prepare_items()wp-admin/includes/class-wp-plugin-install-list-table.php | |
get_inline_data()wp-admin/includes/template.php | Adds hidden fields with the data for use in the inline editor for posts and pages.
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WP_Media_List_Table::display_rows()wp-admin/includes/class-wp-media-list-table.php | |
WP_Comments_List_Table::prepare_items()wp-admin/includes/class-wp-comments-list-table.php | |
get_the_terms()wp-includes/category-template.php | Retrieves the terms of the taxonomy that are attached to the post.
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WP_Query::get_posts()wp-includes/class-wp-query.php | Retrieves an array of posts based on query variables.
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_default_wp_die_handler()wp-includes/functions.php | Kills WordPress execution and displays HTML page with an error message.
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WP_Widget_Recent_Comments::widget()wp-includes/widgets/class-wp-widget-recent-comments.php | Outputs the content for the current Recent Comments widget instance.
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WP_Tax_Query::transform_query()wp-includes/class-wp-tax-query.php | Transforms a single query, from one field to another.
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is_object_in_term()wp-includes/taxonomy.php | Determines if the given object is associated with any of the given terms.
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wp_insert_term()wp-includes/taxonomy.php | Adds a new term to the database.
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wp_delete_term()wp-includes/taxonomy.php | Removes a term from the database.
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WP_Post::__get()wp-includes/class-wp-post.php | Getter.
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wp_update_post()wp-includes/post.php | Updates a post with new post data.
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This is an example of how to use this function.
The following is an array listing foods:
The names of each food can easily be “plucked” from the $foods array using wp_list_pluck() .
$food_names will now contain a numerically indexed array of food names equivalent to:
Use of the $index_key argument is best reserved for unique or index fields, otherwise data could be missing from the returned array. Consider this modified $foods list from the previous example:
Using ‘color’ as $index_key is questionable.
$food_names contains an associative array equivalent to:
The ‘Apple’ value was overwritten by the subsequent ‘Cherry’ since they both had a ‘Red’ index key value. Since ‘Kiwi’ had an unusable color value, its key is simply indexed.