Source
public function show_screen_options() {
global $wp_meta_boxes;
if ( is_bool( $this->_show_screen_options ) ) {
return $this->_show_screen_options;
}
$columns = get_column_headers( $this );
$show_screen = ! empty( $wp_meta_boxes[ $this->id ] ) || $columns || $this->get_option( 'per_page' );
$this->_screen_settings = '';
if ( 'post' === $this->base ) {
$expand = '<fieldset class="editor-expand hidden"><legend>' . __( 'Additional settings' ) . '</legend><label for="editor-expand-toggle">';
$expand .= '<input type="checkbox" id="editor-expand-toggle"' . checked( get_user_setting( 'editor_expand', 'on' ), 'on', false ) . ' />';
$expand .= __( 'Enable full-height editor and distraction-free functionality.' ) . '</label></fieldset>';
$this->_screen_settings = $expand;
}
/**
* Filters the screen settings text displayed in the Screen Options tab.
*
* @since 3.0.0
*
* @param string $screen_settings Screen settings.
* @param WP_Screen $screen WP_Screen object.
*/
$this->_screen_settings = apply_filters( 'screen_settings', $this->_screen_settings, $this );
if ( $this->_screen_settings || $this->_options ) {
$show_screen = true;
}
/**
* Filters whether to show the Screen Options tab.
*
* @since 3.2.0
*
* @param bool $show_screen Whether to show Screen Options tab.
* Default true.
* @param WP_Screen $screen Current WP_Screen instance.
*/
$this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this );
return $this->_show_screen_options;
}
Hooks
- apply_filters( ‘screen_options_show_screen’,
bool $show_screen ,WP_Screen $screen ) Filters whether to show the Screen Options tab.
- apply_filters( ‘screen_settings’,
string $screen_settings ,WP_Screen $screen ) Filters the screen settings text displayed in the Screen Options tab.
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