Fetches a screen object.
Parameters
$hook_name
string|WP_Screenoptional- The hook name (also known as the hook suffix) used to determine the screen.
Defaults to the current $hook_suffix global.Default:
''
Source
public static function get( $hook_name = '' ) {
if ( $hook_name instanceof WP_Screen ) {
return $hook_name;
}
$id = '';
$post_type = null;
$taxonomy = null;
$in_admin = false;
$action = '';
$is_block_editor = false;
if ( $hook_name ) {
$id = $hook_name;
} elseif ( ! empty( $GLOBALS['hook_suffix'] ) ) {
$id = $GLOBALS['hook_suffix'];
}
// For those pesky meta boxes.
if ( $hook_name && post_type_exists( $hook_name ) ) {
$post_type = $id;
$id = 'post'; // Changes later. Ends up being $base.
} else {
if ( str_ends_with( $id, '.php' ) ) {
$id = substr( $id, 0, -4 );
}
if ( in_array( $id, array( 'post-new', 'link-add', 'media-new', 'user-new' ), true ) ) {
$id = substr( $id, 0, -4 );
$action = 'add';
}
}
if ( ! $post_type && $hook_name ) {
if ( str_ends_with( $id, '-network' ) ) {
$id = substr( $id, 0, -8 );
$in_admin = 'network';
} elseif ( str_ends_with( $id, '-user' ) ) {
$id = substr( $id, 0, -5 );
$in_admin = 'user';
}
$id = sanitize_key( $id );
if ( 'edit-comments' !== $id && 'edit-tags' !== $id && str_starts_with( $id, 'edit-' ) ) {
$maybe = substr( $id, 5 );
if ( taxonomy_exists( $maybe ) ) {
$id = 'edit-tags';
$taxonomy = $maybe;
} elseif ( post_type_exists( $maybe ) ) {
$id = 'edit';
$post_type = $maybe;
}
}
if ( ! $in_admin ) {
$in_admin = 'site';
}
} else {
if ( defined( 'WP_NETWORK_ADMIN' ) && WP_NETWORK_ADMIN ) {
$in_admin = 'network';
} elseif ( defined( 'WP_USER_ADMIN' ) && WP_USER_ADMIN ) {
$in_admin = 'user';
} else {
$in_admin = 'site';
}
}
if ( 'index' === $id ) {
$id = 'dashboard';
} elseif ( 'front' === $id ) {
$in_admin = false;
}
$base = $id;
// If this is the current screen, see if we can be more accurate for post types and taxonomies.
if ( ! $hook_name ) {
if ( isset( $_REQUEST['post_type'] ) ) {
$post_type = post_type_exists( $_REQUEST['post_type'] ) ? $_REQUEST['post_type'] : false;
}
if ( isset( $_REQUEST['taxonomy'] ) ) {
$taxonomy = taxonomy_exists( $_REQUEST['taxonomy'] ) ? $_REQUEST['taxonomy'] : false;
}
switch ( $base ) {
case 'post':
if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] ) {
wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
} elseif ( isset( $_GET['post'] ) ) {
$post_id = (int) $_GET['post'];
} elseif ( isset( $_POST['post_ID'] ) ) {
$post_id = (int) $_POST['post_ID'];
} else {
$post_id = 0;
}
if ( $post_id ) {
$post = get_post( $post_id );
if ( $post ) {
$post_type = $post->post_type;
/** This filter is documented in wp-admin/post.php */
$replace_editor = apply_filters( 'replace_editor', false, $post );
if ( ! $replace_editor ) {
$is_block_editor = use_block_editor_for_post( $post );
}
}
}
break;
case 'edit-tags':
case 'term':
if ( null === $post_type && is_object_in_taxonomy( 'post', $taxonomy ? $taxonomy : 'post_tag' ) ) {
$post_type = 'post';
}
break;
case 'upload':
$post_type = 'attachment';
break;
}
}
switch ( $base ) {
case 'post':
if ( null === $post_type ) {
$post_type = 'post';
}
// When creating a new post, use the default block editor support value for the post type.
if ( empty( $post_id ) ) {
$is_block_editor = use_block_editor_for_post_type( $post_type );
}
$id = $post_type;
break;
case 'edit':
if ( null === $post_type ) {
$post_type = 'post';
}
$id .= '-' . $post_type;
break;
case 'edit-tags':
case 'term':
if ( null === $taxonomy ) {
$taxonomy = 'post_tag';
}
// The edit-tags ID does not contain the post type. Look for it in the request.
if ( null === $post_type ) {
$post_type = 'post';
if ( isset( $_REQUEST['post_type'] ) && post_type_exists( $_REQUEST['post_type'] ) ) {
$post_type = $_REQUEST['post_type'];
}
}
$id = 'edit-' . $taxonomy;
break;
}
if ( 'network' === $in_admin ) {
$id .= '-network';
$base .= '-network';
} elseif ( 'user' === $in_admin ) {
$id .= '-user';
$base .= '-user';
}
if ( isset( self::$_registry[ $id ] ) ) {
$screen = self::$_registry[ $id ];
if ( get_current_screen() === $screen ) {
return $screen;
}
} else {
$screen = new self();
$screen->id = $id;
}
$screen->base = $base;
$screen->action = $action;
$screen->post_type = (string) $post_type;
$screen->taxonomy = (string) $taxonomy;
$screen->is_user = ( 'user' === $in_admin );
$screen->is_network = ( 'network' === $in_admin );
$screen->in_admin = $in_admin;
$screen->is_block_editor = $is_block_editor;
self::$_registry[ $id ] = $screen;
return $screen;
}
Hooks
- apply_filters( ‘replace_editor’,
bool $replace ,WP_Post $post ) Allows replacement of the editor.
Changelog
Version | Description |
---|---|
3.3.0 | Introduced. |
User Contributed Notes
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