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<?php namespace NestedPages\Entities\Post; /** * Enables Private Posts/Pages in the Post Edit Dropdown * Fixes bug in WP Core where child posts of a private/draft post become un-nested when editing * @link https://core.trac.wordpress.org/ticket/8592#comment:129 */ class PrivatePostParent { public function __construct() { add_filter('wp_dropdown_pages', [$this, 'metabox'], 10, 3); } public function metabox($output, $arguments = [], $pages = []) { global $post; if ( !$post ) return $output; if ( !isset($arguments['post_type']) ) return $output; if ( !isset($arguments['name']) ) return $output; if ( $arguments['post_type'] !== $post->post_type ) return $output; if ( $arguments['name'] !== 'parent_id' ) return $output; $args = [ 'post_type' => $post->post_type, 'exclude_tree' => $post->ID, 'selected' => $post->post_parent, 'name' => 'parent_id', 'show_option_none' => __('(no parent)'), 'sort_column' => 'menu_order, post_title', 'echo' => 0, 'post_status' => ['publish', 'private', 'draft'], ]; $args = apply_filters( 'page_attributes_dropdown_pages_args', $args, $post ); $defaults = [ 'depth' => 0, 'child_of' => 0, 'selected' => 0, 'echo' => 1, 'name' => 'page_id', 'id' => '', 'show_option_none' => '', 'show_option_no_change' => '', 'option_none_value' => '', ]; $r = wp_parse_args($args, $defaults); extract($r, EXTR_SKIP); $pages = get_pages($r); $name = esc_attr($name); // Back-compat with old system where both id and name were based on $name argument if (empty($id)) $id = $name; if (empty($pages)) return; $output = "<select name=\"$name\" id=\"$id\">\n"; if ($show_option_no_change) $output .= "\t<option value=\"-1\">$show_option_no_change</option>"; if ($show_option_none) $output .= "\t<option value=\"" . esc_attr($option_none_value) . "\">$show_option_none</option>\n"; $output .= walk_page_dropdown_tree($pages, $depth, $r); $output .= "</select>\n"; return $output; } }
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