ap required.
			if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) {
				$caps[] = $post_type->cap->delete_published_posts;
			} elseif ( 'private' == $post->post_status ) {
				$caps[] = $post_type->cap->delete_private_posts;
			}
		}
		break;
		// edit_post breaks down to edit_posts, edit_published_posts, or
		// edit_others_posts
	case 'edit_post':
	case 'edit_page':
		$post = get_post( $args[0] );
		if ( ! $post ) {
			$caps[] = 'do_not_allow';
			break;
		}

		if ( 'revision' == $post->post_type ) {
			$post = get_post( $post->post_parent );
			if ( ! $post ) {
				$caps[] = 'do_not_allow';
				break;
			}
		}

		$post_type = get_post_type_object( $post->post_type );
		if ( ! $post_type ) {
			/* translators: 1: post type, 2: capability name */
			_doing_it_wrong( __FUNCTION__, sprintf( __( 'The post type %1$s is not registered, so it may not be reliable to check the capability "%2$s" against a post of that type.' ), $post->post_type, $cap ), '4.4.0' );
			$caps[] = 'edit_others_posts';
			break;
		}

		if ( ! $post_type->map_meta_cap ) {
			$caps[] = $post_type->cap->$cap;
			// Prior to 3.1 we would re-call map_meta_cap here.
			if ( 'edit_post' == $cap )
				$cap = $post_type->cap->$cap;
			break;
		}

		// If the post author is set and the user is the author...
		if ( $post->post_author && $user_id == $post->post_author ) {
			// If the post is published or scheduled...
			if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) {
				$caps[] = $post_type->cap->edit_published_posts;
			} elseif ( 'trash' == $post->post_status ) {
				$status = get_post_meta( $post->ID, '_wp_trash_meta_status', true );
				if ( in_array( $status, array( 'publish', 'future' ), true ) ) {
					$caps[] = $post_type->cap->edit_published_posts;
				} else {
					$caps[] = $post_type->cap->edit_posts;
				}
			} else {
				// If the post is draft...
				$caps[] = $post_type->cap->edit_posts;
			}
		} else {
			// The user is trying to edit someone else's post.
			$caps[] = $post_type->cap->edit_others_posts;
			// The post is published or scheduled, extra cap required.
			if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) {
				$caps[] = $post_type->cap->edit_published_posts;
			} elseif ( 'private' == $post->post_status ) {
				$caps[] = $post_type->cap->edit_private_posts;
			}
		}
		break;
	case 'read_post':
	case 'read_page':
		$post = get_post( $args[0] );
		if ( ! $post ) {
			$caps[] = 'do_not_allow';
			break;
		}

		if ( 'revision' == $post->post_type ) {
			$post = get_post( $post->post_parent );
			if ( ! $post ) {
				$caps[] = 'do_not_allow';
				break;
			}
		}

		$post_type = get_post_type_object( $post->post_type );
		if ( ! $post_type ) {
			/* translators: 1: post type, 2: capability name */
			_doing_it_wrong( __FUNCTION__, sprintf( __( 'The post type %1$s is not registered, so it may not be reliable to check the capability "%2$s" against a post of that type.' ), $post->post_type, $cap ), '4.4.0' );
			$caps[] = 'edit_others_posts';
			break;
		}

		if ( ! $post_type->map_meta_cap ) {
			$caps[] = $post_type->cap->$cap;
			// Prior to 3.1 we would re-call map_meta_cap here.
			if ( 'read_post' == $cap )
				$cap = $post_type->cap->$cap;
			break;
		}

		$status_obj = get_post_status_object( $post->post_status );
		if ( $status_obj->public ) {
			$caps[] = $post_type->cap->read;
			break;
		}

		if ( $post->post_author && $user_id == $post->post_author ) {
			$caps[] = $post_type->cap->read;
		} elseif ( $status_obj->private ) {
			$caps[] = $post_type->cap->read_private_posts;
		} else {
			$caps = map_meta_cap( 'edit_post', $user_id, $post->ID );
		}
		break;
	case 'publish_post':
		$post = get_post( $args[0] );
		if ( ! $post ) {
			$caps[] = 'do_not_allow';
			break;
		}

		$post_type = get_post_type_object( $post->post_type );
		if ( ! $post_type ) {
			/* translators: 1: post type, 2: capability name */
			_doing_it_wrong( __FUNCTION__, sprintf( __( 'The post type %1$s is not registered, so it may not be reliable to check the capability "%2$s" against a post of that type.' ), $post->post_type, $cap ), '4.4.0' );
			$caps[] = 'edit_others_posts';
			break;
		}

		$caps[] = $post_type->cap->publish_posts;
		break;
	case 'edit_post_meta':
	case 'delete_post_meta':
	case 'add_post_meta':
	case 'edit_comment_meta':
	case 'delete_comment_meta':
	case 'add_comment_meta':
	case 'edit_term_meta':
	case 'delete_term_meta':
	case 'add_term_meta':
	case 'edit_user_meta':
	case 'delete_user_meta':
	case 'add_user_meta':
		list( $_, $object_type, $_ ) = explode( '_', $cap );
		$object_id = (int) $args[0];

		switch ( $object_type ) {
			case 'post':
				$post = get_post( $object_id );
				if ( ! $post ) {
					break;
				}

				$sub_type = get_post_type( $post );
				break;

			case 'comment':
				$comment = get_comment( $object_id );
				if ( ! $comment ) {
					break;
				}

				$sub_type = empty( $comment->comment_type ) ? 'comment' : $comment->comment_type;
				break;

			case 'term':
				$term = get_term( $object_id );
				if ( ! $term ) {
					break;
				}

				$sub_type = $term->taxonomy;
				break;

			case 'user':
				$user = get_user_by( 'id', $object_id );
				if ( ! $user ) {
					break;
				}

				$sub_type = 'user';
				break;
		}

		if ( empty( $sub_type ) ) {
			$caps[] = 'do_not_allow';
			break;
		}

		$caps = map_meta_cap( "edit_{$object_type}", $user_id, $object_id );

		$meta_key = isset( $args[1] ) ? $args[1] : false;

		$has_filter = has_filter( "auth_{$object_type}_meta_{$meta_key}" ) || has_filter( "auth_{$object_type}_{$sub_type}_meta_{$meta_key}" );
		if ( $meta_key && $has_filter ) {
			/** This filter is documented in wp-includes/meta.php */
			$allowed = apply_filters( "auth_{$object_type}_meta_{$meta_key}", false, $meta_key, $object_id, $user_id, $cap, $caps );

			/** This filter is documented in wp-includes/meta.php */
			$allowed = apply_filters( "auth_{$object_type}_{$sub_type}_meta_{$meta_key}", $allowed, $meta_key, $object_id, $user_id, $cap, $caps );

			if ( ! $allowed ) {
				$caps[] = $cap;
			}
		} elseif ( $meta_key && is_protected_meta( $meta_key, $object_type ) ) {
			$caps[] = $cap;
		}
		break;
	case 'edit_comment':
		$comment = get_comment( $args[0] );
		if ( ! $comment ) {
			$caps[] = 'do_not_allow';
			break;
		}

		$post = get_post( $comment->comment_post_ID );

		/*
		 * If the post doesn't exist, we have an orphaned comment.
		 * Fall back to the edit_posts capability, instead.
		 */
		if ( $post ) {
			$caps = map_meta_cap( 'edit_post', $user_id, $post->ID );
		} else {
			$caps = map_meta_cap( 'edit_posts', $user_id );
		}
		break;
	case 'unfiltered_upload':
		if ( defined('ALLOW_UNFILTERED_UPLOADS') && ALLOW_UNFILTERED_UPLOADS && ( !is_multisite() || is_super_admin( $user_id ) )  )
			$caps[] = $cap;
		else
			$caps[] = 'do_not_allow';
		break;
	case 'edit_css' :
	case 'unfiltered_html' :
		// Disallow unfiltered_html for all users, even admins and super admins.
		if ( defined( 'DISALLOW_UNFILTERED_HTML' ) && DISALLOW_UNFILTERED_HTML )
			$caps[] = 'do_not_allow';
		elseif ( is_multisite() && ! is_super_admin( $user_id ) )
			$caps[] = 'do_not_allow';
		else
			$caps[] = 'unfiltered_html';
		break;
	case 'edit_files':
	case 'edit_plugins':
	case 'edit_themes':
		// Disallow the file editors.
		if ( defined( 'DISALLOW_FILE_EDIT' ) && DISALLOW_FILE_EDIT )
			$caps[] = 'do_not_allow';
		elseif ( ! wp_is_file_mod_allowed( 'capability_edit_themes' ) )
			$caps[] = 'do_not_allow';
		elseif ( is_multisite() && ! is_super_admin( $user_id ) )
			$caps[] = 'do_not_allow';
		else
			$caps[] = $cap;
		break;
	case 'update_plugins':
	case 'delete_plugins':
	case 'install_plugins':
	case 'upload_plugins':
	case 'update_themes':
	case 'delete_themes':
	case 'install_themes':
	case 'upload_themes':
	case 'update_core':
		// Disallow anything that creates, deletes, or updates core, plugin, or theme files.
		// Files in uploads are excepted.
		if ( ! wp_is_file_mod_allowed( 'capability_update_core' ) ) {
			$caps[] = 'do_not_allow';
		} elseif ( is_multisite() && ! is_super_admin( $user_id ) ) {
			$caps[] = 'do_not_allow';
		} elseif ( 'upload_themes' === $cap ) {
			$caps[] = 'install_themes';
		} elseif ( 'upload_plugins' === $cap ) {
			$caps[] = 'install_plugins';
		} else {
			$caps[] = $cap;
		}
		break;
	case 'activate_plugins':
		$caps[] = $cap;
		if ( is_multisite() ) {
			// update_, install_, and delete_ are handled above with is_super_admin().
			$menu_perms = get_site_option( 'menu_items', array() );
			if ( empty( $menu_perms['plugins'] ) )
				$caps[] = 'manage_network_plugins';
		}
		break;
	case 'delete_user':
	case 'delete_users':
		// If multisite only super admins can delete users.
		if ( is_multisite() && ! is_super_admin( $user_id ) )
			$caps[] = 'do_not_allow';
		else
			$caps[] = 'delete_users'; // delete_user maps to delete_users.
		break;
	case 'create_users':
		if ( !is_multisite() )
			$caps[] = $cap;
		elseif ( is_super_admin( $user_id ) || get_site_option( 'add_new_users' ) )
			$caps[] = $cap;
		else
			$caps[] = 'do_not_allow';
		break;
	case 'manage_links' :
		if ( get_option( 'link_manager_enabled' ) )
			$caps[] = $cap;
		else
			$caps[] = 'do_not_allow';
		break;
	case 'customize' :
		$caps[] = 'edit_theme_options';
		break;
	case 'delete_site':
		if ( is_multisite() ) {
			$caps[] = 'manage_options';
		} else {
			$caps[] = 'do_not_allow';
		}
		break;
	case 'edit_term':
	case 'delete_term':
	case 'assign_term':
		$term_id = (int) $args[0];
		$term = get_term( $term_id );
		if ( ! $term || is_wp_error( $term ) ) {
			$caps[] = 'do_not_allow';
			break;
		}

		$tax = get_taxonomy( $term->taxonomy );
		if ( ! $tax ) {
			$caps[] = 'do_not_allow';
			break;
		}

		if ( 'delete_term' === $cap && ( $term->term_id == get_option( 'default_' . $term->taxonomy ) ) ) {
			$caps[] = 'do_not_allow';
			break;
		}

		$taxo_cap = $cap . 's';

		$caps = map_meta_cap( $tax->cap->$taxo_cap, $user_id, $term_id );

		break;
	case 'manage_post_tags':
	case 'edit_categories':
	case 'edit_post_tags':
	case 'delete_categories':
	case 'delete_post_tags':
		$caps[] = 'manage_categories';
		break;
	case 'assign_categories':
	case 'assign_post_tags':
		$caps[] = 'edit_posts';
		break;
	case 'create_sites':
	case 'delete_sites':
	case 'manage_network':
	case 'manage_sites':
	case 'manage_network_users':
	case 'manage_network_plugins':
	case 'manage_network_themes':
	case 'manage_network_options':
	case 'upgrade_network':
		$caps[] = $cap;
		break;
	case 'setup_network':
		if ( is_multisite() ) {
			$caps[] = 'manage_network_options';
		} else {
			$caps[] = 'manage_options';
		}
		break;
	default:
		// Handle meta capabilities for custom post types.
		global $post_type_meta_caps;
		if ( isset( $post_type_meta_caps[ $cap ] ) ) {
			$args = array_merge( array( $post_type_meta_caps[ $cap ], $user_id ), $args );
			return call_user_func_array( 'map_meta_cap', $args );
		}

		// If no meta caps match, return the original cap.
		$caps[] = $cap;
	}

	/**
	 * Filters a user's capabilities depending on specific context and/or privilege.
	 *
	 * @since 2.8.0
	 *
	 * @param array  $caps    Returns the user's actual capabilities.
	 * @param string $cap     Capability name.
	 * @param int    $user_id The user ID.
	 * @param array  $args    Adds the context to the cap. Typically the object ID.
	 */
	return apply_filters( 'map_meta_cap', $caps, $cap, $user_id, $args );
}

/**
 * Whether the current user has a specific capability.
 *
 * While checking against particular roles in place of a capability is supported
 * in part, this practice is discouraged as it may produce unreliable results.
 *
 * Note: Will always return true if the current user is a super admin, unless specifically denied.
 *
 * @since 2.0.0
 *
 * @see WP_User::has_cap()
 * @see map_meta_cap()
 *
 * @param string $capability Capability name.
 * @param int    $object_id  Optional. ID of the specific object to check against if `$capability` is a "meta" cap.
 *                           "Meta" capabilities, e.g. 'edit_post', 'edit_user', etc., are capabilities used
 *                           by map_meta_cap() to map to other "primitive" capabilities, e.g. 'edit_posts',
 *                           'edit_others_posts', etc. Accessed via func_get_args() and passed to WP_User::has_cap(),
 *                           then map_meta_cap().
 * @return bool Whether the current user has the given capability. If `$capability` is a meta cap and `$object_id` is
 *              passed, whether the current user has the given meta capability for the given object.
 */
function current_user_can( $capability ) {
	$current_user = wp_get_current_user();

	if ( empty( $current_user ) )
		return false;

	$args = array_slice( func_get_args(), 1 );
	$args = array_merge( array( $capability ), $args );

	return call_user_func_array( array( $current_user, 'has_cap' ), $args );
}

/**
 * Whether current user has a capability or role for a given site.
 *
 * @since 3.0.0
 *
 * @param int    $blog_id    Site ID.
 * @param string $capability Capability or role name.
 * @return bool
 */
function current_user_can_for_blog( $blog_id, $capability ) {
	$switched = is_multisite() ? switch_to_blog( $blog_id ) : false;

	$current_user = wp_get_current_user();

	if ( empty( $current_user ) ) {
		if ( $switched ) {
			restore_current_blog();
		}
		return false;
	}

	$args = array_slice( func_get_args(), 2 );
	$args = array_merge( array( $capability ), $args );

	$can = call_user_func_array( array( $current_user, 'has_cap' ), $args );

	if ( $switched ) {
		restore_current_blog();
	}

	return $can;
}

/**
 * Whether author of supplied post has capability or role.
 *
 * @since 2.9.0
 *
 * @param int|object $post Post ID or post object.
 * @param string $capability Capability or role name.
 * @return bool
 */
function author_can( $post, $capability ) {
	if ( !$post = get_post($post) )
		return false;

	$author = get_userdata( $post->post_author );

	if ( ! $author )
		return false;

	$args = array_slice( func_get_args(), 2 );
	$args = array_merge( array( $capability ), $args );

	return call_user_func_array( array( $author, 'has_cap' ), $args );
}

/**
 * Whether a particular user has capability or role.
 *
 * @since 3.1.0
 *
 * @param int|object $user User ID or object.
 * @param string $capability Capability or role name.
 * @return bool
 */
function user_can( $user, $capability ) {
	if ( ! is_object( $user ) )
		$user = get_userdata( $user );

	if ( ! $user || ! $user->exists() )
		return false;

	$args = array_slice( func_get_args(), 2 );
	$args = array_merge( array( $capability ), $args );

	return call_user_func_array( array( $user, 'has_cap' ), $args );
}

/**
 * Retrieves the global WP_Roles instance and instantiates it if necessary.
 *
 * @since 4.3.0
 *
 * @global WP_Roles $wp_roles WP_Roles global instance.
 *
 * @return WP_Roles WP_Roles global instance if not already instantiated.
 */
function wp_roles() {
	global $wp_roles;

	if ( ! isset( $wp_roles ) ) {
		$wp_roles = new WP_Roles();
	}
	return $wp_roles;
}

/**
 * Retrieve role object.
 *
 * @since 2.0.0
 *
 * @param string $role Role name.
 * @return WP_Role|null WP_Role object if found, null if the role does not exist.
 */
function get_role( $role ) {
	return wp_roles()->get_role( $role );
}

/**
 * Add role, if it does not exist.
 *
 * @since 2.0.0
 *
 * @param string $role Role name.
 * @param string $display_name Display name for role.
 * @param array $capabilities List of capabilities, e.g. array( 'edit_posts' => true, 'delete_posts' => false );
 * @return WP_Role|null WP_Role object if role is added, null if already exists.
 */
function add_role( $role, $display_name, $capabilities = array() ) {
	if ( empty( $role ) ) {
		return;
	}
	return wp_roles()->add_role( $role, $display_name, $capabilities );
}

/**
 * Remove role, if it exists.
 *
 * @since 2.0.0
 *
 * @param string $role Role name.
 */
function remove_role( $role ) {
	wp_roles()->remove_role( $role );
}

/**
 * Retrieve a list of super admins.
 *
 * @since 3.0.0
 *
 * @global array $super_admins
 *
 * @return array List of super admin logins
 */
function get_super_admins() {
	global $super_admins;

	if ( isset($super_admins) )
		return $super_admins;
	else
		return get_site_option( 'site_admins', array('admin') );
}

/**
 * Determine if user is a site admin.
 *
 * @since 3.0.0
 *
 * @param int $user_id (Optional) The ID of a user. Defaults to the current user.
 * @return bool True if the user is a site admin.
 */
function is_super_admin( $user_id = false ) {
	if ( ! $user_id || $user_id == get_current_user_id() )
		$user = wp_get_current_user();
	else
		$user = get_userdata( $user_id );

	if ( ! $user || ! $user->exists() )
		return false;

	if ( is_multisite() ) {
		$super_admins = get_super_admins();
		if ( is_array( $super_admins ) && in_array( $user->user_login, $super_admins ) )
			return true;
	} else {
		if ( $user->has_cap('delete_users') )
			return true;
	}

	return false;
}

/**
 * Grants Super Admin privileges.
 *
 * @since 3.0.0
 *
 * @global array $super_admins
 *
 * @param int $user_id ID of the user to be granted Super Admin privileges.
 * @return bool True on success, false on failure. This can fail when the user is
 *              already a super admin or when the `$super_admins` global is defined.
 */
function grant_super_admin( $user_id ) {
	// If global super_admins override is defined, there is nothing to do here.
	if ( isset( $GLOBALS['super_admins'] ) || ! is_multisite() ) {
		return false;
	}

	/**
	 * Fires before the user is granted Super Admin privileges.
	 *
	 * @since 3.0.0
	 *
	 * @param int $user_id ID of the user that is about to be granted Super Admin privileges.
	 */
	do_action( 'grant_super_admin', $user_id );

	// Directly fetch site_admins instead of using get_super_admins()
	$super_admins = get_site_option( 'site_admins', array( 'admin' ) );

	$user = get_userdata( $user_id );
	if ( $user && ! in_array( $user->user_login, $super_admins ) ) {
		$super_admins[] = $user->user_login;
		update_site_option( 'site_admins' , $super_admins );

		/**
		 * Fires after the user is granted Super Admin privileges.
		 *
		 * @since 3.0.0
		 *
		 * @param int $user_id ID of the user that was granted Super Admin privileges.
		 */
		do_action( 'granted_super_admin', $user_id );
		return true;
	}
	return false;
}

/**
 * Revokes Super Admin privileges.
 *
 * @since 3.0.0
 *
 * @global array $super_admins
 *
 * @param int $user_id ID of the user Super Admin privileges to be revoked from.
 * @return bool True on success, false on failure. This can fail when the user's email
 *              is the network admin email or when the `$super_admins` global is defined.
 */
function revoke_super_admin( $user_id ) {
	// If global super_admins override is defined, there is nothing to do here.
	if ( isset( $GLOBALS['super_admins'] ) || ! is_multisite() ) {
		return false;
	}

	/**
	 * Fires before the user's Super Admin privileges are revoked.
	 *
	 * @since 3.0.0
	 *
	 * @param int $user_id ID of the user Super Admin privileges are being revoked from.
	 */
	do_action( 'revoke_super_admin', $user_id );

	// Directly fetch site_admins instead of using get_super_admins()
	$super_admins = get_site_option( 'site_admins', array( 'admin' ) );

	$user = get_userdata( $user_id );
	if ( $user && 0 !== strcasecmp( $user->user_email, get_site_option( 'admin_email' ) ) ) {
		if ( false !== ( $key = array_search( $user->user_login, $super_admins ) ) ) {
			unset( $super_admins[$key] );
			update_site_option( 'site_admins', $super_admins );

			/**
			 * Fires after the user's Super Admin privileges are revoked.
			 *
			 * @since 3.0.0
			 *
			 * @param int $user_id ID of the user Super Admin privileges were revoked from.
			 */
			do_action( 'revoked_super_admin', $user_id );
			return true;
		}
	}
	return false;
}
_queried_object();
		$tax_array = array_intersect( array_keys( $wp_taxonomies ), (array) $taxonomy );
		$term_array = (array) $term;

		// Check that the taxonomy matches.
		if ( ! ( isset( $queried_object->taxonomy ) && count( $tax_array ) && in_array( $queried_object->taxonomy, $tax_array ) ) )
			return false;

		// Only a Taxonomy provided.
		if ( empty( $term ) )
			return true;

		return isset( $queried_object->term_id ) &&
			count( array_intersect(
				array( $queried_object->term_id, $queried_object->name, $queried_object->slug ),
				$term_array
			) );
	}

	/**
	 * Whether the current URL is within the comments popup window.
	 *
	 * @since 3.1.0
	 * @deprecated 4.5.0
	 *
	 * @return bool
	 */
	public function is_comments_popup() {
		_deprecated_function( __FUNCTION__, '4.5.0' );

		return false;
	}

	/**
	 * Is the query for an existing date archive?
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function is_date() {
		return (bool) $this->is_date;
	}

	/**
	 * Is the query for an existing day archive?
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function is_day() {
		return (bool) $this->is_day;
	}

	/**
	 * Is the query for a feed?
	 *
	 * @since 3.1.0
	 *
	 * @param string|array $feeds Optional feed types to check.
	 * @return bool
	 */
	public function is_feed( $feeds = '' ) {
		if ( empty( $feeds ) || ! $this->is_feed )
			return (bool) $this->is_feed;
		$qv = $this->get( 'feed' );
		if ( 'feed' == $qv )
			$qv = get_default_feed();
		return in_array( $qv, (array) $feeds );
	}

	/**
	 * Is the query for a comments feed?
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function is_comment_feed() {
		return (bool) $this->is_comment_feed;
	}

	/**
	 * Is the query for the front page of the site?
	 *
	 * This is for what is displayed at your site's main URL.
	 *
	 * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'.
	 *
	 * If you set a static page for the front page of your site, this function will return
	 * true when viewing that page.
	 *
	 * Otherwise the same as @see WP_Query::is_home()
	 *
	 * @since 3.1.0
	 *
	 * @return bool True, if front of site.
	 */
	public function is_front_page() {
		// most likely case
		if ( 'posts' == get_option( 'show_on_front') && $this->is_home() )
			return true;
		elseif ( 'page' == get_option( 'show_on_front') && get_option( 'page_on_front' ) && $this->is_page( get_option( 'page_on_front' ) ) )
			return true;
		else
			return false;
	}

	/**
	 * Is the query for the blog homepage?
	 *
	 * This is the page which shows the time based blog content of your site.
	 *
	 * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'.
	 *
	 * If you set a static page for the front page of your site, this function will return
	 * true only on the page you set as the "Posts page".
	 *
	 * @see WP_Query::is_front_page()
	 *
	 * @since 3.1.0
	 *
	 * @return bool True if blog view homepage.
	 */
	public function is_home() {
		return (bool) $this->is_home;
	}

	/**
	 * Is the query for an existing month archive?
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function is_month() {
		return (bool) $this->is_month;
	}

	/**
	 * Is the query for an existing single page?
	 *
	 * If the $page parameter is specified, this function will additionally
	 * check if the query is for one of the pages specified.
	 *
	 * @see WP_Query::is_single()
	 * @see WP_Query::is_singular()
	 *
	 * @since 3.1.0
	 *
	 * @param int|string|array $page Optional. Page ID, title, slug, path, or array of such. Default empty.
	 * @return bool Whether the query is for an existing single page.
	 */
	public function is_page( $page = '' ) {
		if ( !$this->is_page )
			return false;

		if ( empty( $page ) )
			return true;

		$page_obj = $this->get_queried_object();

		$page = array_map( 'strval', (array) $page );

		if ( in_array( (string) $page_obj->ID, $page ) ) {
			return true;
		} elseif ( in_array( $page_obj->post_title, $page ) ) {
			return true;
		} elseif ( in_array( $page_obj->post_name, $page ) ) {
			return true;
		} else {
			foreach ( $page as $pagepath ) {
				if ( ! strpos( $pagepath, '/' ) ) {
					continue;
				}
				$pagepath_obj = get_page_by_path( $pagepath );

				if ( $pagepath_obj && ( $pagepath_obj->ID == $page_obj->ID ) ) {
					return true;
				}
			}
		}

		return false;
	}

	/**
	 * Is the query for paged result and not for the first page?
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function is_paged() {
		return (bool) $this->is_paged;
	}

	/**
	 * Is the query for a post or page preview?
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function is_preview() {
		return (bool) $this->is_preview;
	}

	/**
	 * Is the query for the robots file?
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function is_robots() {
		return (bool) $this->is_robots;
	}

	/**
	 * Is the query for a search?
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function is_search() {
		return (bool) $this->is_search;
	}

	/**
	 * Is the query for an existing single post?
	 *
	 * Works for any post type excluding pages.
	 *
	 * If the $post parameter is specified, this function will additionally
	 * check if the query is for one of the Posts specified.
	 *
	 * @see WP_Query::is_page()
	 * @see WP_Query::is_singular()
	 *
	 * @since 3.1.0
	 *
	 * @param int|string|array $post Optional. Post ID, title, slug, path, or array of such. Default empty.
	 * @return bool Whether the query is for an existing single post.
	 */
	public function is_single( $post = '' ) {
		if ( !$this->is_single )
			return false;

		if ( empty($post) )
			return true;

		$post_obj = $this->get_queried_object();

		$post = array_map( 'strval', (array) $post );

		if ( in_array( (string) $post_obj->ID, $post ) ) {
			return true;
		} elseif ( in_array( $post_obj->post_title, $post ) ) {
			return true;
		} elseif ( in_array( $post_obj->post_name, $post ) ) {
			return true;
		} else {
			foreach ( $post as $postpath ) {
				if ( ! strpos( $postpath, '/' ) ) {
					continue;
				}
				$postpath_obj = get_page_by_path( $postpath, OBJECT, $post_obj->post_type );

				if ( $postpath_obj && ( $postpath_obj->ID == $post_obj->ID ) ) {
					return true;
				}
			}
		}
		return false;
	}

	/**
	 * Is the query for an existing single post of any post type (post, attachment, page,
	 * custom post types)?
	 *
	 * If the $post_types parameter is specified, this function will additionally
	 * check if the query is for one of the Posts Types specified.
	 *
	 * @see WP_Query::is_page()
	 * @see WP_Query::is_single()
	 *
	 * @since 3.1.0
	 *
	 * @param string|array $post_types Optional. Post type or array of post types. Default empty.
	 * @return bool Whether the query is for an existing single post of any of the given post types.
	 */
	public function is_singular( $post_types = '' ) {
		if ( empty( $post_types ) || !$this->is_singular )
			return (bool) $this->is_singular;

		$post_obj = $this->get_queried_object();

		return in_array( $post_obj->post_type, (array) $post_types );
	}

	/**
	 * Is the query for a specific time?
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function is_time() {
		return (bool) $this->is_time;
	}

	/**
	 * Is the query for a trackback endpoint call?
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function is_trackback() {
		return (bool) $this->is_trackback;
	}

	/**
	 * Is the query for an existing year archive?
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function is_year() {
		return (bool) $this->is_year;
	}

	/**
	 * Is the query a 404 (returns no results)?
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function is_404() {
		return (bool) $this->is_404;
	}

	/**
	 * Is the query for an embedded post?
	 *
	 * @since 4.4.0
	 *
	 * @return bool
	 */
	public function is_embed() {
		return (bool) $this->is_embed;
	}

	/**
	 * Is the query the main query?
	 *
	 * @since 3.3.0
	 *
	 * @global WP_Query $wp_query Global WP_Query instance.
	 *
	 * @return bool
	 */
	public function is_main_query() {
		global $wp_the_query;
		return $wp_the_query === $this;
	}

	/**
	 * Set up global post data.
	 *
	 * @since 4.1.0
	 * @since 4.4.0 Added the ability to pass a post ID to `$post`.
	 *
	 * @global int             $id
	 * @global WP_User         $authordata
	 * @global string|int|bool $currentday
	 * @global string|int|bool $currentmonth
	 * @global int             $page
	 * @global array           $pages
	 * @global int             $multipage
	 * @global int             $more
	 * @global int             $numpages
	 *
	 * @param WP_Post|object|int $post WP_Post instance or Post ID/object.
	 * @return true True when finished.
	 */
	public function setup_postdata( $post ) {
		global $id, $authordata, $currentday, $currentmonth, $page, $pages, $multipage, $more, $numpages;

		if ( ! ( $post instanceof WP_Post ) ) {
			$post = get_post( $post );
		}

		if ( ! $post ) {
			return;
		}

		$id = (int) $post->ID;

		$authordata = get_userdata($post->post_author);

		$currentday = mysql2date('d.m.y', $post->post_date, false);
		$currentmonth = mysql2date('m', $post->post_date, false);
		$numpages = 1;
		$multipage = 0;
		$page = $this->get( 'page' );
		if ( ! $page )
			$page = 1;

		/*
		 * Force full post content when viewing the permalink for the $post,
		 * or when on an RSS feed. Otherwise respect the 'more' tag.
		 */
		if ( $post->ID === get_queried_object_id() && ( $this->is_page() || $this->is_single() ) ) {
			$more = 1;
		} elseif ( $this->is_feed() ) {
			$more = 1;
		} else {
			$more = 0;
		}

		$content = $post->post_content;
		if ( false !== strpos( $content, '<!--nextpage-->' ) ) {
			$content = str_replace( "\n<!--nextpage-->\n", '<!--nextpage-->', $content );
			$content = str_replace( "\n<!--nextpage-->", '<!--nextpage-->', $content );
			$content = str_replace( "<!--nextpage-->\n", '<!--nextpage-->', $content );

			// Ignore nextpage at the beginning of the content.
			if ( 0 === strpos( $content, '<!--nextpage-->' ) )
				$content = substr( $content, 15 );

			$pages = explode('<!--nextpage-->', $content);
		} else {
			$pages = array( $post->post_content );
		}

		/**
		 * Filters the "pages" derived from splitting the post content.
		 *
		 * "Pages" are determined by splitting the post content based on the presence
		 * of `<!-- nextpage -->` tags.
		 *
		 * @since 4.4.0
		 *
		 * @param array   $pages Array of "pages" derived from the post content.
		 *                       of `<!-- nextpage -->` tags..
		 * @param WP_Post $post  Current post object.
		 */
		$pages = apply_filters( 'content_pagination', $pages, $post );

		$numpages = count( $pages );

		if ( $numpages > 1 ) {
			if ( $page > 1 ) {
				$more = 1;
			}
			$multipage = 1;
		} else {
	 		$multipage = 0;
	 	}

		/**
		 * Fires once the post data has been setup.
		 *
		 * @since 2.8.0
		 * @since 4.1.0 Introduced `$this` parameter.
		 *
		 * @param WP_Post  &$post The Post object (passed by reference).
		 * @param WP_Query &$this The current Query object (passed by reference).
		 */
		do_action_ref_array( 'the_post', array( &$post, &$this ) );

		return true;
	}
	/**
	 * After looping through a nested query, this function
	 * restores the $post global to the current post in this query.
	 *
	 * @since 3.7.0
	 *
	 * @global WP_Post $post
	 */
	public function reset_postdata() {
		if ( ! empty( $this->post ) ) {
			$GLOBALS['post'] = $this->post;
			$this->setup_postdata( $this->post );
		}
	}

	/**
	 * Lazyload term meta for posts in the loop.
	 *
	 * @since 4.4.0
	 * @deprecated 4.5.0 See wp_queue_posts_for_term_meta_lazyload().
	 *
	 * @param mixed $check
	 * @param int   $term_id
	 * @return mixed
	 */
	public function lazyload_term_meta( $check, $term_id ) {
		_deprecated_function( __METHOD__, '4.5.0' );
		return $check;
	}

	/**
	 * Lazyload comment meta for comments in the loop.
	 *
	 * @since 4.4.0
	 * @deprecated 4.5.0 See wp_queue_comments_for_comment_meta_lazyload().
	 *
	 * @param mixed $check
	 * @param int   $comment_id
	 * @return mixed
	 */
	public function lazyload_comment_meta( $check, $comment_id ) {
		_deprecated_function( __METHOD__, '4.5.0' );
		return $check;
	}
}