<?php
/**
* WordPress Administration Screen API.
*
* @package WordPress
* @subpackage Administration
*/
/**
* Get the column headers for a screen
*
* @since 2.7.0
*
* @param string|WP_Screen $screen The screen you want the headers for
* @return string[] The column header labels keyed by column ID.
*/
function get_column_headers( $screen ) {
static $column_headers = array();
if ( is_string( $screen ) ) {
$screen = convert_to_screen( $screen );
}
if ( ! isset( $column_headers[ $screen->id ] ) ) {
/**
* Filters the column headers for a list table on a specific screen.
*
* The dynamic portion of the hook name, `$screen->id`, refers to the
* ID of a specific screen. For example, the screen ID for the Posts
* list table is edit-post, so the filter for that screen would be
* manage_edit-post_columns.
*
* @since 3.0.0
*
* @param string[] $columns The column header labels keyed by column ID.
*/
$column_headers[ $screen->id ] = apply_filters( "manage_{$screen->id}_columns", array() );
}
return $column_headers[ $screen->id ];
}
/**
* Get a list of hidden columns.
*
* @since 2.7.0
*
* @param string|WP_Screen $screen The screen you want the hidden columns for
* @return string[] Array of IDs of hidden columns.
*/
function get_hidden_columns( $screen ) {
if ( is_string( $screen ) ) {
$screen = convert_to_screen( $screen );
}
$hidden = get_user_option( 'manage' . $screen->id . 'columnshidden' );
$use_defaults = ! is_array( $hidden );
if ( $use_defaults ) {
$hidden = array();
/**
* Filters the default list of hidden columns.
*
* @since 4.4.0
*
* @param string[] $hidden Array of IDs of columns hidden by default.
* @param WP_Screen $screen WP_Screen object of the current screen.
*/
$hidden = apply_filters( 'default_hidden_columns', $hidden, $screen );
}
/**
* Filters the list of hidden columns.
*
* @since 4.4.0
* @since 4.4.1 Added the `use_defaults` parameter.
*
* @param string[] $hidden Array of IDs of hidden columns.
* @param WP_Screen $screen WP_Screen object of the current screen.
* @param bool $use_defaults Whether to show the default columns.
*/
return apply_filters( 'hidden_columns', $hidden, $screen, $use_defaults );
}
/**
* Prints the meta box preferences for screen meta.
*
* @since 2.7.0
*
* @global array $wp_meta_boxes Global meta box state.
*
* @param WP_Screen $screen
*/
function meta_box_prefs( $screen ) {
global $wp_meta_boxes;
if ( is_string( $screen ) ) {
$screen = convert_to_screen( $screen );
}
if ( empty( $wp_meta_boxes[ $screen->id ] ) ) {
return;
}
$hidden = get_hidden_meta_boxes( $screen );
foreach ( array_keys( $wp_meta_boxes[ $screen->id ] ) as $context ) {
foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
if ( ! isset( $wp_meta_boxes[ $screen->id ][ $context ][ $priority ] ) ) {
continue;
}
foreach ( $wp_meta_boxes[ $screen->id ][ $context ][ $priority ] as $box ) {
if ( false === $box || ! $box['title'] ) {
continue;
}
// Submit box cannot be hidden.
if ( 'submitdiv' === $box['id'] || 'linksubmitdiv' === $box['id'] ) {
continue;
}
$widget_title = $box['title'];
if ( is_array( $box['args'] ) && isset( $box['args']['__widget_basename'] ) ) {
$widget_title = $box['args']['__widget_basename'];
}
$is_hidden = in_array( $box['id'], $hidden, true );
printf(
'<label for="%1$s-hide"><input class="hide-postbox-tog" name="%1$s-hide" type="checkbox" id="%1$s-hide" value="%1$s" %2$s />%3$s</label>',
esc_attr( $box['id'] ),
checked( $is_hidden, false, false ),
$widget_title
);
}
}
}
}
/**
* Gets an array of IDs of hidden meta boxes.
*
* @since 2.7.0
*
* @param string|WP_Screen $screen Screen identifier
* @return string[] IDs of hidden meta boxes.
*/
function get_hidden_meta_boxes( $screen ) {
if ( is_string( $screen ) ) {
$screen = convert_to_screen( $screen );
}
$hidden = get_user_option( "metaboxhidden_{$screen->id}" );
$use_defaults = ! is_array( $hidden );
// Hide slug boxes by default.
if ( $use_defaults ) {
$hidden = array();
if ( 'post' === $screen->base ) {
if ( in_array( $screen->post_type, array( 'post', 'page', 'attachment' ), true ) ) {
$hidden = array( 'slugdiv', 'trackbacksdiv', 'postcustom', 'postexcerpt', 'commentstatusdiv', 'commentsdiv', 'authordiv', 'revisionsdiv' );
} else {
$hidden = array( 'slugdiv' );
}
}
/**
* Filters the default list of hidden meta boxes.
*
* @since 3.1.0
*
* @param string[] $hidden An array of IDs of meta boxes hidden by default.
* @param WP_Screen $screen WP_Screen object of the current screen.
*/
$hidden = apply_filters( 'default_hidden_meta_boxes', $hidden, $screen );
}
/**
* Filters the list of hidden meta boxes.
*
* @since 3.3.0
*
* @param string[] $hidden An array of IDs of hidden meta boxes.
* @param WP_Screen $screen WP_Screen object of the current screen.
* @param bool $use_defaults Whether to show the default meta boxes.
* Default true.
*/
return apply_filters( 'hidden_meta_boxes', $hidden, $screen, $use_defaults );
}
/**
* Register and configure an admin screen option
*
* @since 3.1.0
*
* @param string $option An option name.
* @param mixed $args Option-dependent arguments.
*/
function add_screen_option( $option, $args = array() ) {
$current_screen = get_current_screen();
if ( ! $current_screen ) {
return;
}
$current_screen->add_option( $option, $args );
}
/**
* Get the current screen object
*
* @since 3.1.0
*
* @global WP_Screen $current_screen WordPress current screen object.
*
* @return WP_Screen|null Current screen object or null when screen not defined.
*/
function get_current_screen() {
global $current_screen;
if ( ! isset( $current_screen ) ) {
return null;
}
return $current_screen;
}
/**
* Set the current screen object
*
* @since 3.0.0
*
* @param string|WP_Screen $hook_name Optional. The hook name (also known as the hook suffix) used to determine the screen,
* or an existing screen object.
*/
function set_current_screen( $hook_name = '' ) {
WP_Screen::get( $hook_name )->set_current_screen();
}
في جولة حصرية داخل “الغرفة الزرقاء” بقناة BBC العربية، نكشف كواليس واحدة من أكثر غرف الأخبار تطورًا في العالم.
كيف الذكاء اصطناعي يتحكم بالبث دون تدخل بشري، لتقدم تجربة بصرية مذهلة.
الفيديو يستعرض كيف تمزج BBC بين التقنية والاحتراف لتصنع نشرات إخبارية من قلب المستقبل.