View::offsetExists() - Code Metrics - Inspection of "Initial PHP filtersort functionality" - gravityview/GravityView - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Pull Request — develop (#1487)

by Gennady
created 2020-08-25 13:15 UTC
View::offsetExists() A

↳ Parent: View
Complexity

Conditions	1
Paths	1
Size

Total Lines
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	3
CRAP Score	1
Importance

Changes
Metric	Value
cc	1
nc	1
nop	1
dl	0
loc	4
ccs	3
cts	3
cp	1
crap	1
rs	10
c	0
b	0
f	0
<?php
namespace GV;

/** If this file is called directly, abort. */
if ( ! defined( 'GRAVITYVIEW_DIR' ) ) {
	die();
}

/**
 * The default GravityView View class.
 *
 * Houses all base View functionality.
 *
 * Can be accessed as an array for old compatibility's sake
 *  in line with the elements inside the \GravityView_View_Data::$views array.
 */
class View implements \ArrayAccess {

	/**
	 * @var \WP_Post The backing post instance.
	 */
	private $post;

	/**
	 * @var \GV\View_Settings The settings.
	 *
	 * @api
	 * @since 2.0
	 */
	public $settings;

	/**
	 * @var \GV\Widget_Collection The widets attached here.
	 *
	 * @api
	 * @since 2.0
	 */
	public $widgets;

	/**
	 * @var \GV\GF_Form|\GV\Form The backing form for this view.
	 *
	 * Contains the form that is sourced for entries in this view.
	 *
	 * @api
	 * @since 2.0
	 */
	public $form;

	/**
	 * @var \GV\Field_Collection The fields for this view.
	 *
	 * Contains all the fields that are attached to this view.
	 *
	 * @api
	 * @since 2.0
	 */
	public $fields;

	/**
	 * @var array
	 *
	 * Internal static cache for gets, and whatnot.
	 * This is not persistent, resets across requests.

	 * @internal
	 */
	private static $cache = array();

	/**
	 * @var \GV\Join[] The joins for all sources in this view.
	 *
	 * @api
	 * @since 2.0.1
	 */
	public $joins = array();

	/**
	 * @var \GV\Field[][] The unions for all sources in this view.
	 *                    An array of fields grouped by form_id keyed by
	 *                    main field_id:
	 *
	 *                    array(
	 *                        $form_id => array(
	 *                            $field_id => $field,
	 *                            $field_id => $field,
	 *                        )
	 *                    )
	 *
	 * @api
	 * @since 2.2.2
	 */
	public $unions = array();

	/**
	 * The constructor.
	 */
	public function __construct() {
		$this->settings = new View_Settings();
		$this->fields = new Field_Collection();
		$this->widgets = new Widget_Collection();
	}

	/**
	 * Register the gravityview WordPress Custom Post Type.
	 *
	 * @internal
	 * @return void
	 */
	public static function register_post_type() {

		/** Register only once */
		if ( post_type_exists( 'gravityview' ) ) {
			return;
		}

		/**
		 * @filter `gravityview_is_hierarchical` Make GravityView Views hierarchical by returning TRUE
		 * This will allow for Views to be nested with Parents and also allows for menu order to be set in the Page Attributes metabox
		 * @since 1.13
		 * @param boolean $is_hierarchical Default: false
		 */
		$is_hierarchical = (bool)apply_filters( 'gravityview_is_hierarchical', false );

		$supports = array( 'title', 'revisions' );

		if ( $is_hierarchical ) {
			$supports[] = 'page-attributes';
		}

		/**
		 * @filter  `gravityview_post_type_supports` Modify post type support values for `gravityview` post type
		 * @see add_post_type_support()
		 * @since 1.15.2
		 * @param array $supports Array of features associated with a functional area of the edit screen. Default: 'title', 'revisions'. If $is_hierarchical, also 'page-attributes'
		 * @param[in] boolean $is_hierarchical Do Views support parent/child relationships? See `gravityview_is_hierarchical` filter.
		 */
		$supports = apply_filters( 'gravityview_post_type_support', $supports, $is_hierarchical );

		/** Register Custom Post Type - gravityview */
		$labels = array(
			'name'                => _x( 'Views', 'Post Type General Name', 'gravityview' ),
			'singular_name'       => _x( 'View', 'Post Type Singular Name', 'gravityview' ),
			'menu_name'           => _x( 'Views', 'Menu name', 'gravityview' ),
			'parent_item_colon'   => __( 'Parent View:', 'gravityview' ),
			'all_items'           => __( 'All Views', 'gravityview' ),
			'view_item'           => _x( 'View', 'View Item', 'gravityview' ),
			'add_new_item'        => __( 'Add New View', 'gravityview' ),
			'add_new'             => __( 'New View', 'gravityview' ),
			'edit_item'           => __( 'Edit View', 'gravityview' ),
			'update_item'         => __( 'Update View', 'gravityview' ),
			'search_items'        => __( 'Search Views', 'gravityview' ),
			'not_found'           => \GravityView_Admin::no_views_text(),
			'not_found_in_trash'  => __( 'No Views found in Trash', 'gravityview' ),
			'filter_items_list'     => __( 'Filter Views list', 'gravityview' ),
			'items_list_navigation' => __( 'Views list navigation', 'gravityview' ),
			'items_list'            => __( 'Views list', 'gravityview' ),
			'view_items'            => __( 'See Views', 'gravityview' ),
			'attributes'            => __( 'View Attributes', 'gravityview' ),
		);
		$args = array(
			'label'               => __( 'view', 'gravityview' ),
			'description'         => __( 'Create views based on a Gravity Forms form', 'gravityview' ),
			'labels'              => $labels,
			'supports'            => $supports,
			'hierarchical'        => $is_hierarchical,
			/**
			 * @filter `gravityview_direct_access` Should Views be directly accessible, or only visible using the shortcode?
			 * @see https://codex.wordpress.org/Function_Reference/register_post_type#public
			 * @since 1.15.2
			 * @param[in,out] boolean `true`: allow Views to be accessible directly. `false`: Only allow Views to be embedded via shortcode. Default: `true`
			 * @param int $view_id The ID of the View currently being requested. `0` for general setting
			 */
			'public'              => apply_filters( 'gravityview_direct_access', gravityview()->plugin->is_compatible(), 0 ),
			'show_ui'             => gravityview()->plugin->is_compatible(),
			'show_in_menu'        => gravityview()->plugin->is_compatible(),
			'show_in_nav_menus'   => true,
			'show_in_admin_bar'   => true,
			'menu_position'       => 17,
			'menu_icon'           => '',
			'can_export'          => true,
			/**
			 * @filter `gravityview_has_archive` Enable Custom Post Type archive?
			 * @since 1.7.3
			 * @param boolean False: don't have frontend archive; True: yes, have archive. Default: false
			 */
			'has_archive'         => apply_filters( 'gravityview_has_archive', false ),
			'exclude_from_search' => true,
			'rewrite'             => array(
				/**
				 * @filter `gravityview_slug` Modify the url part for a View.
				 * @see https://docs.gravityview.co/article/62-changing-the-view-slug
				 * @param string $slug The slug shown in the URL
				 */
				'slug' => apply_filters( 'gravityview_slug', 'view' ),

				/**
				 * @filter `gravityview/post_type/with_front` Should the permalink structure
				 *  be prepended with the front base.
				 *  (example: if your permalink structure is /blog/, then your links will be: false->/view/, true->/blog/view/).
				 *  Defaults to true.
				 * @see https://codex.wordpress.org/Function_Reference/register_post_type
				 * @since 2.0
				 * @param bool $with_front
				 */
				'with_front' => apply_filters( 'gravityview/post_type/with_front', true ),
			),
			'capability_type'     => 'gravityview',
			'map_meta_cap'        => true,
		);

		register_post_type( 'gravityview', $args );
	}

	/**
	 * Add extra rewrite endpoints.
	 *
	 * @return void
	 */
	public static function add_rewrite_endpoint() {
		/**
		 * CSV.
		 */
		global $wp_rewrite;

		$slug = apply_filters( 'gravityview_slug', 'view' );
		$rule = array( sprintf( '%s/([^/]+)/csv/?', $slug ), 'index.php?gravityview=$matches[1]&csv=1', 'top' );

		add_filter( 'query_vars', function( $query_vars ) {
			$query_vars[] = 'csv';
			return $query_vars;
		} );

		if ( ! isset( $wp_rewrite->extra_rules_top[ $rule[0] ] ) ) {
			call_user_func_array( 'add_rewrite_rule', $rule );
		}
	}

	/**
	 * A renderer filter for the View post type content.
	 *
	 * @param string $content Should be empty, as we don't store anything there.
	 *
	 * @return string $content The view content as output by the renderers.
	 */
	public static function content( $content ) {
		$request = gravityview()->request;

		// Plugins may run through the content in the header. WP SEO does this for its OpenGraph functionality.
		if ( ! defined( 'DOING_GRAVITYVIEW_TESTS' ) ) {
			if ( ! did_action( 'loop_start' ) ) {
				gravityview()->log->debug( 'Not processing yet: loop_start hasn\'t run yet. Current action: {action}', array( 'action' => current_filter() ) );
				return $content;
			}

			//	We don't want this filter to run infinite loop on any post content fields
			remove_filter( 'the_content', array( __CLASS__, __METHOD__ ) );
		}

		/**
		 * This is not a View. Bail.
		 *
		 * Shortcodes and oEmbeds and whatnot will be handled
		 *  elsewhere.
		 */
		if ( ! $view = $request->is_view() ) {
			return $content;
		}

		/**
		 * Check permissions.
		 */
		while ( $error = $view->can_render( null, $request ) ) {
			if ( ! is_wp_error( $error ) )
				break;

			switch ( str_replace( 'gravityview/', '', $error->get_error_code() ) ) {
				case 'post_password_required':
					return get_the_password_form( $view->ID );
				case 'no_form_attached':

					gravityview()->log->error( 'View #{view_id} cannot render: {error_code} {error_message}', array( 'error_code' => $error->get_error_code(), 'error_message' => $error->get_error_message() ) );

					/**
					 * This View has no data source. There's nothing to show really.
					 * ...apart from a nice message if the user can do anything about it.
					 */
					if ( \GVCommon::has_cap( array( 'edit_gravityviews', 'edit_gravityview' ), $view->ID ) ) {
						return __( sprintf( 'This View is not configured properly. Start by <a href="%s">selecting a form</a>.', esc_url( get_edit_post_link( $view->ID, false ) ) ), 'gravityview' );
					}
					break;
				case 'in_trash':

					if ( \GVCommon::has_cap( array( 'edit_gravityviews', 'edit_gravityview' ), $view->ID ) ) {
						return __( sprintf( 'This View is in the Trash. You can <a href="%s">restore the View here</a>.', esc_url( get_edit_post_link( $view->ID, false ) ) ), 'gravityview' );
					}

					return ''; // Do not show
					break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
				case 'no_direct_access':
				case 'embed_only':
				case 'not_public':
				default:
					gravityview()->log->notice( 'View #{view_id} cannot render: {error_code} {error_message}', array( 'error_code' => $error->get_error_code(), 'error_message' => $error->get_error_message() ) );
					return __( 'You are not allowed to view this content.', 'gravityview' );
			}

			return $content;
		}

		$is_admin_and_can_view = $view->settings->get( 'admin_show_all_statuses' ) && \GVCommon::has_cap('gravityview_moderate_entries', $view->ID );

		/**
		 * Editing a single entry.
		 */
		if ( $entry = $request->is_edit_entry( $view->form ? $view->form->ID : 0 ) ) {
			if ( $entry['status'] != 'active' ) {
				gravityview()->log->notice( 'Entry ID #{entry_id} is not active', array( 'entry_id' => $entry->ID ) );
				return __( 'You are not allowed to view this content.', 'gravityview' );
			}

			if ( apply_filters( 'gravityview_custom_entry_slug', false ) && $entry->slug != get_query_var( \GV\Entry::get_endpoint_name() ) ) {
				gravityview()->log->error( 'Entry ID #{entry_id} was accessed by a bad slug', array( 'entry_id' => $entry->ID ) );
				return __( 'You are not allowed to view this content.', 'gravityview' );
			}

			if ( $view->settings->get( 'show_only_approved' ) && ! $is_admin_and_can_view ) {
				if ( ! \GravityView_Entry_Approval_Status::is_approved( gform_get_meta( $entry->ID, \GravityView_Entry_Approval::meta_key ) )  ) {
					gravityview()->log->error( 'Entry ID #{entry_id} is not approved for viewing', array( 'entry_id' => $entry->ID ) );
					return __( 'You are not allowed to view this content.', 'gravityview' );
				}
			}

			$renderer = new Edit_Entry_Renderer();
			return $renderer->render( $entry, $view, $request );

		/**
		 * Viewing a single entry.
		 */
		} else if ( $entry = $request->is_entry( $view->form ? $view->form->ID : 0 ) ) {

			$entryset = $entry->is_multi() ? $entry->entries : array( $entry );

			$custom_slug = apply_filters( 'gravityview_custom_entry_slug', false );
			$ids = explode( ',', get_query_var( \GV\Entry::get_endpoint_name() ) );

			$show_only_approved = $view->settings->get( 'show_only_approved' );

			foreach ( $entryset as $e ) {

				if ( 'active' !== $e['status'] ) {
					gravityview()->log->notice( 'Entry ID #{entry_id} is not active', array( 'entry_id' => $e->ID ) );
					return __( 'You are not allowed to view this content.', 'gravityview' );
				}

				if ( $custom_slug && ! in_array( $e->slug, $ids ) ) {
					gravityview()->log->error( 'Entry ID #{entry_id} was accessed by a bad slug', array( 'entry_id' => $e->ID ) );
					return __( 'You are not allowed to view this content.', 'gravityview' );
				}

				if ( $show_only_approved && ! $is_admin_and_can_view ) {
					if ( ! \GravityView_Entry_Approval_Status::is_approved( gform_get_meta( $e->ID, \GravityView_Entry_Approval::meta_key ) )  ) {
						gravityview()->log->error( 'Entry ID #{entry_id} is not approved for viewing', array( 'entry_id' => $e->ID ) );
						return __( 'You are not allowed to view this content.', 'gravityview' );
					}
				}

				$error = \GVCommon::check_entry_display( $e->as_entry(), $view );

				if ( is_wp_error( $error ) ) {
					gravityview()->log->error( 'Entry ID #{entry_id} is not approved for viewing: {message}', array( 'entry_id' => $e->ID, 'message' => $error->get_error_message() ) );
					return __( 'You are not allowed to view this content.', 'gravityview' );
				}
			}

			$renderer = new Entry_Renderer();
			return $renderer->render( $entry, $view, $request );
		}

		/**
		 * Plain old View.
		 */
		$renderer = new View_Renderer();
		return $renderer->render( $view, $request );
	}

	/**
	 * Checks whether this view can be accessed or not.
	 *
	 * @param string[]    $context The context we're asking for access from.
	 *                             Can any and as many of one of:
	 *                                 edit      An edit context.
	 *                                 single    A single context.
	 *                                 cpt       The custom post type single page accessed.
	 *                                 shortcode Embedded as a shortcode.
	 *                                 oembed    Embedded as an oEmbed.
	 *                                 rest      A REST call.
	 * @param \GV\Request $request The request
	 *
	 * @return bool|\WP_Error An error if this View shouldn't be rendered here.
	 */
	public function can_render( $context = null, $request = null ) {
		if ( ! $request ) {
			$request = gravityview()->request;
		}

		if ( ! is_array( $context ) ) {
			$context = array();
		}

		/**
		 * @filter `gravityview/view/can_render` Whether the view can be rendered or not.
		 * @param bool|\WP_Error $result  The result. Default: null.
		 * @param \GV\View       $view	The view.
		 * @param string[]       $context See \GV\View::can_render
		 * @param \GV\Request    $request The request.
		 */
		if ( ! is_null( $result = apply_filters( 'gravityview/view/can_render', null, $this, $context, $request ) ) ) {
			return $result;
		}

		if ( in_array( 'rest', $context ) ) {
			// REST
			if ( gravityview()->plugin->settings->get( 'rest_api' ) === '1' && $this->settings->get( 'rest_disable' ) === '1' ) {
				return new \WP_Error( 'gravityview/rest_disabled' );
			} elseif ( gravityview()->plugin->settings->get( 'rest_api' ) !== '1' && $this->settings->get( 'rest_enable' ) !== '1' ) {
				return new \WP_Error( 'gravityview/rest_disabled' );
			}
		}

		if ( in_array( 'csv', $context ) ) {
			if ( $this->settings->get( 'csv_enable' ) !== '1' ) {
				return new \WP_Error( 'gravityview/csv_disabled', 'The CSV endpoint is not enabled for this View' );
			}
		}

		/**
		 * This View is password protected. Nothing to do here.
		 */
		if ( post_password_required( $this->ID ) ) {
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
			gravityview()->log->notice( 'Post password is required for View #{view_id}', array( 'view_id' => $this->ID ) );
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
			return new \WP_Error( 'gravityview/post_password_required' );
		}

		if ( ! $this->form ) {
			gravityview()->log->notice( 'View #{id} has no form attached to it.', array( 'id' => $this->ID ) );
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
			return new \WP_Error( 'gravityview/no_form_attached' );
		}

		if ( ! in_array( 'shortcode', $context ) ) {
			/**
			 * Is this View directly accessible via a post URL?
			 *
			 * @see https://codex.wordpress.org/Function_Reference/register_post_type#public
			 */

			/**
			 * @filter `gravityview_direct_access` Should Views be directly accessible, or only visible using the shortcode?
			 * @deprecated
			 * @param[in,out] boolean `true`: allow Views to be accessible directly. `false`: Only allow Views to be embedded. Default: `true`
			 * @param int $view_id The ID of the View currently being requested. `0` for general setting
			 */
			$direct_access = apply_filters( 'gravityview_direct_access', true, $this->ID );
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}

			/**
			 * @filter `gravityview/request/output/direct` Should this View be directly accessbile?
			 * @since 2.0
			 * @param[in,out] boolean Accessible or not. Default: accessbile.
			 * @param \GV\View $view The View we're trying to directly render here.
			 * @param \GV\Request $request The current request.
			 */
			if ( ! apply_filters( 'gravityview/view/output/direct', $direct_access, $this, $request ) ) {
				return new \WP_Error( 'gravityview/no_direct_access' );
			}

			/**
			 * Is this View an embed-only View? If so, don't allow rendering here,
			 *  as this is a direct request.
			 */
			if ( $this->settings->get( 'embed_only' ) && ! \GVCommon::has_cap( 'read_private_gravityviews' ) ) {
				return new \WP_Error( 'gravityview/embed_only' );
			}
		}

		/** Private, pending, draft, etc. */
		$public_states = get_post_stati( array( 'public' => true ) );
		if ( ! in_array( $this->post_status, $public_states ) && ! \GVCommon::has_cap( 'read_gravityview', $this->ID ) ) {
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
			gravityview()->log->notice( 'The current user cannot access this View #{view_id}', array( 'view_id' => $this->ID ) );
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
			return new \WP_Error( 'gravityview/not_public' );
		}

		return true;
	}

	/**
	 * Get joins associated with a view
	 *
	 * @param \WP_Post $post GravityView CPT to get joins for
	 *
	 * @api
	 * @since 2.0.11
	 *
	 * @return \GV\Join[] Array of \GV\Join instances
	 */
	public static function get_joins( $post ) {
		$joins = array();

		if ( ! gravityview()->plugin->supports( Plugin::FEATURE_JOINS ) ) {
			gravityview()->log->error( 'Cannot get joined forms; joins feature not supported.' );
			return $joins;
		}

		if ( ! $post || 'gravityview' !== get_post_type( $post ) ) {
			gravityview()->log->error( 'Only "gravityview" post types can be \GV\View instances.' );
			return $joins;
		}

		$joins_meta = get_post_meta( $post->ID, '_gravityview_form_joins', true );

		if ( empty( $joins_meta ) ) {
			return $joins;
		}

		foreach ( $joins_meta as $meta ) {
			if ( ! is_array( $meta ) || count( $meta ) != 4 ) {
				continue;
			}

			list( $join, $join_column, $join_on, $join_on_column ) = $meta;

			$join    = GF_Form::by_id( $join );
			$join_on = GF_Form::by_id( $join_on );

			$join_column    = is_numeric( $join_column ) ? GF_Field::by_id( $join, $join_column ) : Internal_Field::by_id( $join_column );
			$join_on_column = is_numeric( $join_on_column ) ? GF_Field::by_id( $join_on, $join_on_column ) : Internal_Field::by_id( $join_on_column );

			$joins [] = new Join( $join, $join_column, $join_on, $join_on_column );
		}

		return $joins;
	}

	/**
	 * Get joined forms associated with a view
	 * In no particular order.
	 *
	 * @since 2.0.11
	 *
	 * @api
	 * @since 2.0
	 * @param int $post_id ID of the View
	 *
	 * @return \GV\GF_Form[] Array of \GV\GF_Form instances
	 */
	public static function get_joined_forms( $post_id ) {
		$forms = array();

		if ( ! gravityview()->plugin->supports( Plugin::FEATURE_JOINS ) ) {
			gravityview()->log->error( 'Cannot get joined forms; joins feature not supported.' );
			return $forms;
		}

		if ( ! $post_id || ! gravityview()->plugin->supports( Plugin::FEATURE_JOINS ) ) {
			return $forms;
		}

		if ( empty( $post_id ) ) {
			gravityview()->log->error( 'Cannot get joined forms; $post_id was empty' );
			return $forms;
		}

		$joins_meta = get_post_meta( $post_id, '_gravityview_form_joins', true );

		if ( empty( $joins_meta ) ) {
			return $forms;
		}

		foreach ( $joins_meta  as $meta ) {
			if ( ! is_array( $meta ) || count( $meta ) != 4 ) {
				continue;
			}

			list( $join, $join_column, $join_on, $join_on_column ) = $meta;

			if ( $form = GF_Form::by_id( $join_on ) ) {
				$forms[ $join_on ] = $form;
			}

			if ( $form = GF_Form::by_id( $join ) ) {
				$forms[ $join ] = $form;
			}
		}

		return $forms;
	}

	/**
	 * Get unions associated with a view
	 *
	 * @param \WP_Post $post GravityView CPT to get unions for
	 *
	 * @api
	 * @since 2.2.2
	 *
	 * @return \GV\Field[][] Array of unions (see self::$unions)
	 */
	public static function get_unions( $post ) {
		$unions = array();

		if ( ! $post || 'gravityview' !== get_post_type( $post ) ) {
			gravityview()->log->error( 'Only "gravityview" post types can be \GV\View instances.' );
			return $unions;
		}

		$fields = get_post_meta( $post->ID, '_gravityview_directory_fields', true );

		if ( empty( $fields ) ) {
			return $unions;
		}

		foreach ( $fields as $location => $_fields ) {
			if ( strpos( $location, 'directory_' ) !== 0 ) {
				continue;
			}

			foreach ( $_fields as $field ) {
				if ( ! empty( $field['unions'] ) ) {
					foreach ( $field['unions'] as $form_id => $field_id ) {
						if ( ! isset( $unions[ $form_id ] ) ) {
							$unions[ $form_id ] = array();
						}

						$unions[ $form_id ][ $field['id'] ] =
							is_numeric( $field_id ) ? \GV\GF_Field::by_id( \GV\GF_Form::by_id( $form_id ), $field_id ) : \GV\Internal_Field::by_id( $field_id );
					}
				}
			}

			break;
		}

		if ( $unions ) {

			if ( ! gravityview()->plugin->supports( Plugin::FEATURE_UNIONS ) ) {
				gravityview()->log->error( 'Cannot get unions; unions feature not supported.' );
			}
		}

		// @todo We'll probably need to backfill null unions

		return $unions;
	}

	/**
	 * Construct a \GV\View instance from a \WP_Post.
	 *
	 * @param \WP_Post $post The \WP_Post instance to wrap.
	 *
	 * @api
	 * @since 2.0
	 * @return \GV\View|null An instance around this \WP_Post if valid, null otherwise.
	 */
	public static function from_post( $post ) {

		if ( ! $post || 'gravityview' !== get_post_type( $post ) ) {
			gravityview()->log->error( 'Only gravityview post types can be \GV\View instances.' );
			return null;
		}

		if ( $view = Utils::get( self::$cache, "View::from_post:{$post->ID}" ) ) {
			/**
			 * @filter `gravityview/view/get` Override View.
			 * @param \GV\View $view The View instance pointer.
			 * @since 2.1
			 */
			do_action_ref_array( 'gravityview/view/get', array( &$view ) );

			return $view;
		}

		$view = new self();
		$view->post = $post;

		/** Get connected form. */
		$view->form = GF_Form::by_id( $view->_gravityview_form_id );
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
		if ( ! $view->form ) {
			gravityview()->log->error( 'View #{view_id} tried attaching non-existent Form #{form_id} to it.', array(
				'view_id' => $view->ID,
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
				'form_id' => $view->_gravityview_form_id ? : 0,
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
			) );
		}

		$view->joins = $view::get_joins( $post );

		$view->unions = $view::get_unions( $post );

		/**
		 * @filter `gravityview/configuration/fields` Filter the View fields' configuration array.
		 * @since 1.6.5
		 *
		 * @deprecated Use `gravityview/view/configuration/fields` or `gravityview/view/fields` filters.
		 *
		 * @param $fields array Multi-array of fields with first level being the field zones.
		 * @param $view_id int The View the fields are being pulled for.
		 */
		$configuration = apply_filters( 'gravityview/configuration/fields', (array)$view->_gravityview_directory_fields, $view->ID );
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}

		/**
		 * @filter `gravityview/view/configuration/fields` Filter the View fields' configuration array.
		 * @since 2.0
		 *
		 * @param array $fields Multi-array of fields with first level being the field zones.
		 * @param \GV\View $view The View the fields are being pulled for.
		 */
		$configuration = apply_filters( 'gravityview/view/configuration/fields', $configuration, $view );

		/**
		 * @filter `gravityview/view/fields` Filter the Field Collection for this View.
		 * @since 2.0
		 *
		 * @param \GV\Field_Collection $fields A collection of fields.
		 * @param \GV\View $view The View the fields are being pulled for.
		 */
		$view->fields = apply_filters( 'gravityview/view/fields', Field_Collection::from_configuration( $configuration ), $view );

		/**
		 * @filter `gravityview/view/configuration/widgets` Filter the View widgets' configuration array.
		 * @since 2.0
		 *
		 * @param array $fields Multi-array of widgets with first level being the field zones.
		 * @param \GV\View $view The View the widgets are being pulled for.
		 */
		$configuration = apply_filters( 'gravityview/view/configuration/widgets', (array)$view->_gravityview_directory_widgets, $view );

		/**
		 * @filter `gravityview/view/widgets` Filter the Widget Collection for this View.
		 * @since 2.0
		 *
		 * @param \GV\Widget_Collection $widgets A collection of widgets.
		 * @param \GV\View $view The View the widgets are being pulled for.
		 */
		$view->widgets = apply_filters( 'gravityview/view/widgets', Widget_Collection::from_configuration( $configuration ), $view );

		/** View configuration. */
		$view->settings->update( gravityview_get_template_settings( $view->ID ) );
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}

		/** Add the template name into the settings. */
		$view->settings->update( array( 'template' => gravityview_get_template_id( $view->ID ) ) );
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}

		/** View basics. */
		$view->settings->update( array(
			'id' => $view->ID,
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
		) );

		self::$cache[ "View::from_post:{$post->ID}" ] = &$view;

		/**
		 * @filter `gravityview/view/get` Override View.
		 * @param \GV\View $view The View instance pointer.
		 * @since 2.1
		 */
		do_action_ref_array( 'gravityview/view/get', array( &$view ) );

		return $view;
	}

	/**
	 * Flush the view cache.
	 *
	 * @param int $view_id The View to reset cache for. Optional. Default: resets everything.
	 *
	 * @internal
	 */
	public static function _flush_cache( $view_id = null ) {
		if ( $view_id ) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
			unset( self::$cache[ "View::from_post:$view_id" ] );
			return;
		}
		self::$cache = array();
	}

	/**
	 * Construct a \GV\View instance from a post ID.
	 *
	 * @param int|string $post_id The post ID.
	 *
	 * @api
	 * @since 2.0
	 * @return \GV\View|null An instance around this \WP_Post or null if not found.
	 */
	public static function by_id( $post_id ) {
		if ( ! $post_id || ! $post = get_post( $post_id ) ) {
			return null;
		}
		return self::from_post( $post );
	}

	/**
	 * Determines if a view exists to begin with.
	 *
	 * @param int|\WP_Post|null $view The WordPress post ID, a \WP_Post object or null for global $post;
	 *
	 * @api
	 * @since 2.0
	 * @return bool Whether the post exists or not.
	 */
	public static function exists( $view ) {
		return get_post_type( $view ) == 'gravityview';
	}

	/**
	 * ArrayAccess compatibility layer with GravityView_View_Data::$views
	 *
	 * @internal
	 * @deprecated
	 * @since 2.0
	 * @return bool Whether the offset exists or not, limited to GravityView_View_Data::$views element keys.
	 */
	public function offsetExists( $offset ) {
		$data_keys = array( 'id', 'view_id', 'form_id', 'template_id', 'atts', 'fields', 'widgets', 'form' );
		return in_array( $offset, $data_keys );
	}

	/**
	 * ArrayAccess compatibility layer with GravityView_View_Data::$views
	 *
	 * Maps the old keys to the new data;
	 *
	 * @internal
	 * @deprecated
	 * @since 2.0
	 *
	 * @return mixed The value of the requested view data key limited to GravityView_View_Data::$views element keys. If offset not found, return null.
	 */
	public function offsetGet( $offset ) {

		gravityview()->log->notice( 'This is a \GV\View object should not be accessed as an array.' );

		if ( ! isset( $this[ $offset ] ) ) {
			return null;
		}

		switch ( $offset ) {
			case 'id':
			case 'view_id':
				return $this->ID;
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
			case 'form':
				return $this->form;
			case 'form_id':
				return $this->form ? $this->form->ID : null;
			case 'atts':
				return $this->settings->as_atts();

			case 'template_id':
				return $this->settings->get( 'template' );
			case 'widgets':
				return $this->widgets->as_configuration();
		}

		return null;
	}

	/**
	 * ArrayAccess compatibility layer with GravityView_View_Data::$views
	 *
	 * @internal
	 * @deprecated
	 * @since 2.0
	 *
	 * @return void
	 */
	public function offsetSet( $offset, $value ) {
		gravityview()->log->error( 'The old view data is no longer mutable. This is a \GV\View object should not be accessed as an array.' );
	}

	/**
	 * ArrayAccess compatibility layer with GravityView_View_Data::$views
	 *
	 * @internal
	 * @deprecated
	 * @since 2.0
	 * @return void
	 */
	public function offsetUnset( $offset ) {
		gravityview()->log->error( 'The old view data is no longer mutable. This is a \GV\View object should not be accessed as an array.' );
	}

	/**
	 * Be compatible with the old data object.
	 *
	 * Some external code expects an array (doing things like foreach on this, or array_keys)
	 *  so let's return an array in the old format for such cases. Do not use unless using
	 *  for back-compatibility.
	 *
	 * @internal
	 * @deprecated
	 * @since 2.0
	 * @return array
	 */
	public function as_data() {
		return array(
			'id' => $this->ID,
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
			'view_id' => $this->ID,
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
			'form_id' => $this->form ? $this->form->ID : null,
			'form' => $this->form ? gravityview_get_form( $this->form->ID ) : null,
			'atts' => $this->settings->as_atts(),

			'fields' => $this->fields->by_visible( $this )->as_configuration(),
			'template_id' => $this->settings->get( 'template' ),
			'widgets' => $this->widgets->as_configuration(),
		);
	}

	/**
	 * Retrieve the entries for the current view and request.
	 *
	 * @param \GV\Request The request. Unused for now.
	 *
	 * @return \GV\Entry_Collection The entries.
	 */
	public function get_entries( $request = null ) {
		$entries = new \GV\Entry_Collection();

		if ( $this->form ) {
			$parameters = $this->settings->as_atts();


			/**
			 * Remove multiple sorting before calling legacy filters.
			 * This allows us to fake it till we make it.
			 */
			if ( ! empty( $parameters['sort_field'] ) && is_array( $parameters['sort_field'] ) ) {
				$has_multisort = true;
				$parameters['sort_field'] = reset( $parameters['sort_field'] );
				if ( ! empty( $parameters['sort_direction'] ) && is_array( $parameters['sort_direction'] ) ) {
					$parameters['sort_direction'] = reset( $parameters['sort_direction'] );
				}
			}

			/**
			 * @todo: Stop using _frontend and use something like $request->get_search_criteria() instead
			 */
			$parameters = \GravityView_frontend::get_view_entries_parameters( $parameters, $this->form->ID );

			$parameters['context_view_id'] = $this->ID;
class MyClass { }

$x = new MyClass();
$x->foo = true;
			$parameters = \GVCommon::calculate_get_entries_criteria( $parameters, $this->form->ID );

			if ( ! is_array( $parameters ) ) {
				$parameters = array();
			}

			if ( ! is_array( $parameters['search_criteria'] ) ) {
				$parameters['search_criteria'] = array();
			}

			if ( ( ! isset( $parameters['search_criteria']['field_filters'] ) ) || ( ! is_array( $parameters['search_criteria']['field_filters'] ) ) ) {
				$parameters['search_criteria']['field_filters'] = array();
			}

			if ( $request instanceof REST\Request ) {
				$atts = $this->settings->as_atts();

				$paging_parameters = wp_parse_args( $request->get_paging(), array(
						'paging' => array( 'page_size' => $atts['page_size'] ),
					) );
				$parameters['paging'] = $paging_parameters['paging'];
			}

			$page = Utils::get( $parameters['paging'], 'current_page' ) ?
				: ( ( ( $parameters['paging']['offset'] - $this->settings->get( 'offset' ) ) / \GV\Utils::get( $parameters, 'paging/page_size', 25 ) ) + 1 );

			/**
			 * Cleanup duplicate field_filter parameters to simplify the query.
			 */
			$unique_field_filters = array();
			foreach ( Utils::get( $parameters, 'search_criteria/field_filters', array() ) as $key => $filter ) {
				if ( 'mode' === $key ) {
					$unique_field_filters['mode'] = $filter;
				} else if ( ! in_array( $filter, $unique_field_filters ) ) {
					$unique_field_filters[] = $filter;
				}
			}
			$parameters['search_criteria']['field_filters'] = $unique_field_filters;

			if ( ! empty( $parameters['search_criteria']['field_filters'] ) ) {
				gravityview()->log->notice( 'search_criteria/field_filters is not empty, third-party code may be using legacy search_criteria filters.' );
			}

			if ( gravityview()->plugin->supports( Plugin::FEATURE_GFQUERY ) ) {

				$query_class = $this->get_query_class();

				/** @var \GF_Query $query */
				$query = new $query_class( $this->form->ID, $parameters['search_criteria'], Utils::get( $parameters, 'sorting' ) );

				/**
				 * Apply multisort.
				 */
				if ( ! empty( $has_multisort ) ) {
					$atts = $this->settings->as_atts();


					$view_setting_sort_field_ids = \GV\Utils::get( $atts, 'sort_field', array() );
					$view_setting_sort_directions = \GV\Utils::get( $atts, 'sort_direction', array() );

					$has_sort_query_param = ! empty( $_GET['sort'] ) && is_array( $_GET['sort'] );

					if( $has_sort_query_param ) {
						$has_sort_query_param = array_filter( array_values( $_GET['sort'] ) );
					}

					if ( $this->settings->get( 'sort_columns' ) && $has_sort_query_param ) {
						$sort_field_ids = array_keys( $_GET['sort'] );
						$sort_directions = array_values( $_GET['sort'] );
					} else {
						$sort_field_ids = $view_setting_sort_field_ids;
						$sort_directions = $view_setting_sort_directions;
					}

					$skip_first = false;

					foreach ( (array) $sort_field_ids as $key => $sort_field_id ) {

						if ( ! $skip_first && ! $has_sort_query_param ) {
							$skip_first = true; // Skip the first one, it's already in the query
							continue;
						}

						$sort_field_id = \GravityView_frontend::_override_sorting_id_by_field_type( $sort_field_id, $this->form->ID );
						$sort_direction = strtoupper( \GV\Utils::get( $sort_directions, $key, 'ASC' ) );

						if ( ! empty( $sort_field_id ) ) {
							$order = new \GF_Query_Column( $sort_field_id, $this->form->ID );
							if ( \GVCommon::is_field_numeric( $this->form->ID, $sort_field_id ) ) {
								$order = \GF_Query_Call::CAST( $order, defined( 'GF_Query::TYPE_DECIMAL' ) ? \GF_Query::TYPE_DECIMAL : \GF_Query::TYPE_SIGNED );
							}

							$query->order( $order, $sort_direction );
						}
					}
				}

				/**
				 * Merge time subfield sorts.
				 */
				add_filter( 'gform_gf_query_sql', $gf_query_timesort_sql_callback = function( $sql ) use ( &$query ) {
					$q = $query->_introspect();
					$orders = array();

					$merged_time = false;

					foreach ( $q['order'] as $oid => $order ) {
						if ( $order[0] instanceof \GF_Query_Column ) {
if ($x instanceof DoesNotExist) {
    // Do something.
}
							$column = $order[0];
						} else if ( $order[0] instanceof \GF_Query_Call ) {
if ($x instanceof DoesNotExist) {
    // Do something.
}
							if ( count( $order[0]->columns ) != 1 || ! $order[0]->columns[0] instanceof \GF_Query_Column ) {
if ($x instanceof DoesNotExist) {
    // Do something.
}
								$orders[ $oid ] = $order;
								continue; // Need something that resembles a single sort
							}
							$column = $order[0]->columns[0];
						}

						if ( ( ! $field = \GFAPI::get_field( $column->source, $column->field_id ) ) || $field->type !== 'time' ) {
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
							$orders[ $oid ] = $order;
							continue; // Not a time field
						}

						if ( ! class_exists( '\GV\Mocks\GF_Query_Call_TIMESORT' ) ) {
							require_once gravityview()->plugin->dir( 'future/_mocks.timesort.php' );
						}

						$orders[ $oid ] = array(
							new \GV\Mocks\GF_Query_Call_TIMESORT( 'timesort', array( $column, $sql ) ),
							$order[1] // Mock it!
						);

						$merged_time = true;
					}

					if ( $merged_time ) {
						/**
						 * ORDER again.
						 */
						if ( ! empty( $orders ) && $_orders = $query->_order_generate( $orders ) ) {
							$sql['order'] = 'ORDER BY ' . implode( ', ', $_orders );
						}
					}

					return $sql;
				} );

				$query->limit( $parameters['paging']['page_size'] )
					->offset( ( ( $page - 1 ) * $parameters['paging']['page_size'] ) + $this->settings->get( 'offset' ) );

				/**
				 * Any joins?
				 */
				if ( gravityview()->plugin->supports( Plugin::FEATURE_JOINS ) && count( $this->joins ) ) {

					$is_admin_and_can_view = $this->settings->get( 'admin_show_all_statuses' ) && \GVCommon::has_cap( 'gravityview_moderate_entries', $this->ID );

					foreach ( $this->joins as $join ) {
						$query = $join->as_query_join( $query );

						if ( $this->settings->get( 'multiple_forms_disable_null_joins' ) ) {

							// Disable NULL outputs
							$condition = new \GF_Query_Condition(
								new \GF_Query_Column( $join->join_on_column->ID, $join->join_on->ID ),

								\GF_Query_Condition::NEQ,
								new \GF_Query_Literal( '' )
							);

							$query_parameters = $query->_introspect();

							$query->where( \GF_Query_Condition::_and( $query_parameters['where'], $condition ) );
						}

						/**
						 * This is a temporary stub filter, until GF_Query supports NULL conditions.
						 * Do not use! This filter will be removed.
						 */
						if ( defined( 'GF_Query_Condition::NULL' ) ) {
							$is_null_condition_native = true;
						} else {
							$is_null_condition_class = apply_filters( 'gravityview/query/is_null_condition', null );
							$is_null_condition_native = false;
						}

						// Filter to active entries only
						$condition = new \GF_Query_Condition(
							new \GF_Query_Column( 'status', $join->join_on->ID ),
							\GF_Query_Condition::EQ,
							new \GF_Query_Literal( 'active' )
						);

						if ( $is_null_condition_native ) {
							$condition = \GF_Query_Condition::_or( $condition, new \GF_Query_Condition(
								new \GF_Query_Column( 'status', $join->join_on->ID ),
								\GF_Query_Condition::IS,
								\GF_Query_Condition::NULL
							) );
						} else if ( ! is_null( $is_null_condition_class ) ) {
							$condition = \GF_Query_Condition::_or( $condition, new $is_null_condition_class(
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
								new \GF_Query_Column( 'status', $join->join_on->ID )
							) );
						}

						$q = $query->_introspect();
						$query->where( \GF_Query_Condition::_and( $q['where'], $condition ) );

						if ( $this->settings->get( 'show_only_approved' ) && ! $is_admin_and_can_view ) {

							// Show only approved joined entries
							$condition = new \GF_Query_Condition(
								new \GF_Query_Column( \GravityView_Entry_Approval::meta_key, $join->join_on->ID ),
								\GF_Query_Condition::EQ,
								new \GF_Query_Literal( \GravityView_Entry_Approval_Status::APPROVED )
							);

							if ( $is_null_condition_native ) {
								$condition = \GF_Query_Condition::_or( $condition, new \GF_Query_Condition(
									new \GF_Query_Column( \GravityView_Entry_Approval::meta_key, $join->join_on->ID ),
									\GF_Query_Condition::IS,
									\GF_Query_Condition::NULL
								) );
							} else if ( ! is_null( $is_null_condition_class ) ) {
								$condition = \GF_Query_Condition::_or( $condition, new $is_null_condition_class(
									new \GF_Query_Column( \GravityView_Entry_Approval::meta_key, $join->join_on->ID )
								) );
							}

							$query_parameters = $query->_introspect();

							$query->where( \GF_Query_Condition::_and( $query_parameters['where'], $condition ) );
						}
					}

				/**
				 * Unions?
				 */
				} else if ( gravityview()->plugin->supports( Plugin::FEATURE_UNIONS ) && count( $this->unions ) ) {
					$query_parameters = $query->_introspect();

					$unions_sql = array();

					/**
					 * @param \GF_Query_Condition $condition
					 * @param array $fields
					 * @param $recurse
					 *
					 * @return \GF_Query_Condition
					 */
					$where_union_substitute = function( $condition, $fields, $recurse ) {
						if ( $condition->expressions ) {
							$conditions = array();

							foreach ( $condition->expressions as $_condition ) {
								$conditions[] = $recurse( $_condition, $fields, $recurse );
							}

							return call_user_func_array(
								array( '\GF_Query_Condition', $condition->operator == 'AND' ? '_and' : '_or' ),
								$conditions
							);
						}

						if ( ! ( $condition->left && $condition->left instanceof \GF_Query_Column ) || ( ! $condition->left->is_entry_column() && ! $condition->left->is_meta_column() ) ) {
if ($x instanceof DoesNotExist) {
    // Do something.
}
							return new \GF_Query_Condition(
								new \GF_Query_Column( $fields[ $condition->left->field_id ]->ID ),
								$condition->operator,
								$condition->right
							);
						}

						return $condition;
					};

					foreach ( $this->unions as $form_id => $fields ) {

						// Build a new query for every unioned form
						$query_class = $this->get_query_class();

						/** @var \GF_Query|\GF_Patched_Query $q */
						$q = new $query_class( $form_id );

						// Copy the WHERE clauses but substitute the field_ids to the respective ones
						$q->where( $where_union_substitute( $query_parameters['where'], $fields, $where_union_substitute ) );

						// Copy the ORDER clause and substitute the field_ids to the respective ones
						foreach ( $query_parameters['order'] as $order ) {
							list( $column, $_order ) = $order;

							if ( $column && $column instanceof \GF_Query_Column ) {
if ($x instanceof DoesNotExist) {
    // Do something.
}
								if ( ! $column->is_entry_column() && ! $column->is_meta_column() ) {
									$column = new \GF_Query_Column( $fields[ $column->field_id ]->ID );
								}

								$q->order( $column, $_order );
							}
						}

						add_filter( 'gform_gf_query_sql', $gf_query_sql_callback = function( $sql ) use ( &$unions_sql ) {
							// Remove SQL_CALC_FOUND_ROWS as it's not needed in UNION clauses
							$select = 'UNION ALL ' . str_replace( 'SQL_CALC_FOUND_ROWS ', '', $sql['select'] );

							// Record the SQL
							$unions_sql[] = array(
								// Remove columns, we'll rebuild them
								'select'  => preg_replace( '#DISTINCT (.*)#', 'DISTINCT ', $select ),
								'from'    => $sql['from'],
								'join'    => $sql['join'],
								'where'   => $sql['where'],
								// Remove order and limit
							);

							// Return empty query, no need to call the database
							return array();
						} );

						do_action_ref_array( 'gravityview/view/query', array( &$q, $this, $request ) );

						$q->get(); // Launch

						remove_filter( 'gform_gf_query_sql', $gf_query_sql_callback );
					}

					add_filter( 'gform_gf_query_sql', $gf_query_sql_callback = function( $sql ) use ( $unions_sql ) {
						// Remove SQL_CALC_FOUND_ROWS as it's not needed in UNION clauses
						$sql['select'] = str_replace( 'SQL_CALC_FOUND_ROWS ', '', $sql['select'] );

						// Remove columns, we'll rebuild them
						preg_match( '#DISTINCT (`[motc]\d+`.`.*?`)#', $sql['select'], $select_match );
						$sql['select'] = preg_replace( '#DISTINCT (.*)#', 'DISTINCT ', $sql['select'] );

						$unions = array();

						// Transform selected columns to shared alias names
						$column_to_alias = function( $column ) {
							$column = str_replace( '`', '', $column );
							return '`' . str_replace( '.', '_', $column ) . '`';
						};

						// Add all the order columns into the selects, so we can order by the whole union group
						preg_match_all( '#(`[motc]\d+`.`.*?`)#', $sql['order'], $order_matches );

						$columns = array(
							sprintf( '%s AS %s', $select_match[1], $column_to_alias( $select_match[1] ) )
						);

						foreach ( array_slice( $order_matches, 1 ) as $match ) {
							$columns[] = sprintf( '%s AS %s', $match[0], $column_to_alias( $match[0] ) );

							// Rewrite the order columns to the shared aliases
							$sql['order'] = str_replace( $match[0], $column_to_alias( $match[0] ), $sql['order'] );
						}

						$columns = array_unique( $columns );

						// Add the columns to every UNION
						foreach ( $unions_sql as $union_sql ) {
							$union_sql['select'] .= implode( ', ', $columns );
							$unions []= implode( ' ', $union_sql );
						}

						// Add the columns to the main SELECT, but only grab the entry id column
						$sql['select'] = 'SELECT SQL_CALC_FOUND_ROWS t1_id FROM (' . $sql['select'] . implode( ', ', $columns );
						$sql['order'] = implode( ' ', $unions ) . ') AS u ' . $sql['order'];

						return $sql;
					} );
				}

				/**
				 * @action `gravityview/view/add_filtersorts` The best place to create filtersorts.
				 * @see `gravityview/view/remove_filtersorts` filter to remove filtersorts afterwards.
				 *
				 * @param \GV\View $view This view.
				 * @param \GV\Request $request The request.
				 *
				 * @since develop
				 */
				do_action( 'gravityview/view/add_filtersorts', $this, $request );

				/**
				 * If a PHP filtersort has been set remove all the pagination limits and offset.
				 *
				 * Since we're sorting and/or filtering in PHP we need to grab the whole dataset.
				 * We will apply manual offest and pagination afterwards.
				 */
				if ( has_filter( 'gravityview/entries/filter' ) || has_filter( 'gravityview/entries/sort' ) ) {
					$has_filtersort = true;
					$query->limit( 0 )->offset( 0 );
				}

				/**
				 * @action `gravityview/view/query` Override the \GF_Query before the get() call.
				 * @param \GF_Query $query The current query object reference
				 * @param \GV\View $this The current view object
				 * @param \GV\Request $request The request object
				 */
				do_action_ref_array( 'gravityview/view/query', array( &$query, $this, $request ) );

				gravityview()->log->debug( 'GF_Query parameters: ', array( 'data' => Utils::gf_query_debug( $query ) ) );

				/**
				 * Map from Gravity Forms entries arrays to an Entry_Collection.
				 */
				if ( count( $this->joins ) ) {
					foreach ( $query->get() as $entry ) {
						$entries->add(
							Multi_Entry::from_entries( array_map( '\GV\GF_Entry::from_entry', $entry ) )
						);
					}
				} else {
					array_map( array( $entries, 'add' ), array_map( '\GV\GF_Entry::from_entry', $query->get() ) );
				}

				if ( isset( $gf_query_sql_callback ) ) {
					remove_action( 'gform_gf_query_sql', $gf_query_sql_callback );
				}

				if ( isset( $gf_query_timesort_sql_callback ) ) {
					remove_action( 'gform_gf_query_sql', $gf_query_timesort_sql_callback );
				}

				if ( isset( $has_filtersort ) ) {
					$v = &$this;

					/**
					 * A PHP filtersort has been set.
					 * Execute the main filter and sort callback logic.
					 * Then, set the actual total found.
					 * Finally truncate to the correct pagination and offsets.
					 */

					$filtered = $entries->all(); // Nyah all the things.

					foreach ( $filtered as &$entry ) {
						/**
						 * @filter `gravityview/entries/filter` Filter entries on the PHP side of things.
						 * @param \GV\Entry $entry The entry object. Return null to filter out.
						 * @param \GV\View $view The view.
						 * @param \GV\Request $request The request.
						 */
						$entry = apply_filters( 'gravityview/entries/filter', $entry, $this, $request );
					}

					$filtered = array_filter( $filtered );

					$entries = new \GV\Entry_Collection();

					if ( has_filter( 'gravityview/entries/sort' ) ) {
						usort( $filtered, function( $entry1, $entry2 ) use ( $v, $request ) {
							/**
							 * @filter `gravityview/entries/sort` Sort filtered entries on the PHP side of things.
							 * @param int $compare -1 if entry1 < entry2, 0 if they're equal, 1 if entry1 > entry2
							 * @param \GV\Entry $entry1 One entry object.
							 * @param \GV\Entry $entry2 Another entry object.
							 * @param \GV\View $view The view.
							 * @param \GV\Request $request The request.
							 */
							return apply_filters( 'gravityview/entries/sort', null, $entry1, $entry2, $v, $request );
						} );
					}

					array_map( array( $entries, 'add'), array_slice(
						$filtered,
						( ( $page - 1 ) * $parameters['paging']['page_size'] ) + $this->settings->get( 'offset' ), // Offset and page
						$parameters['paging']['page_size'] // Per page
					) );

					$entries->add_count_callback( function() use ( $filtered, $v ) {
						return count( $filtered ) - $v->settings->get( 'offset' );
					} );

					/**
					 * @action `gravityview/view/remove_filtersorts` The best place to remove filtersorts once they're done.
					 * @see `gravityview/view/add_filtersorts` filter to add filtersorts.
					 *
					 * @param \GV\View $view This view.
					 * @param \GV\Request $request The request.
					 *
					 * @since develop
					 */
					do_action( 'gravityview/view/add_filtersorts', $this, $request );
				} else {
					/**
					 * Add total count callback.
					 */
					$entries->add_count_callback( function() use ( $query ) {
						return $query->total_found;
					} );
				}
			} else {
				$entries = $this->form->entries
<?php

/**
 * @property int $x
 * @property int $y
 * @property string $text
 */
class MyLabel
{
    private $properties;

    private $allowedProperties = array('x', 'y', 'text');

    public function __get($name)
    {
        if (isset($properties[$name]) && in_array($name, $this->allowedProperties)) {
            return $properties[$name];
        } else {
            return null;
        }
    }

    public function __set($name, $value)
    {
        if (in_array($name, $this->allowedProperties)) {
            $properties[$name] = $value;
        } else {
            throw new \LogicException("Property $name is not defined.");
        }
    }

}
					->filter( \GV\GF_Entry_Filter::from_search_criteria( $parameters['search_criteria'] ) )
					->offset( $this->settings->get( 'offset' ) )
					->limit( $parameters['paging']['page_size'] )
					->page( $page );

				if ( ! empty( $parameters['sorting'] ) && is_array( $parameters['sorting'] && ! isset( $parameters['sorting']['key'] ) ) ) {
					// Pluck off multisort arrays
					$parameters['sorting'] = $parameters['sorting'][0];
				}

				if ( ! empty( $parameters['sorting'] ) && ! empty( $parameters['sorting']['key'] ) ) {
					$field = new \GV\Field();
					$field->ID = $parameters['sorting']['key'];
					$direction = strtolower( $parameters['sorting']['direction'] ) == 'asc' ? \GV\Entry_Sort::ASC : \GV\Entry_Sort::DESC;
					$entries = $entries->sort( new \GV\Entry_Sort( $field, $direction ) );
				}
			}
		}

		/**
		 * @filter `gravityview/view/entries` Modify the entry fetching filters, sorts, offsets, limits.
		 * @param \GV\Entry_Collection $entries The entries for this view.
		 * @param \GV\View $view The view.
		 * @param \GV\Request $request The request.
		 */
		return apply_filters( 'gravityview/view/entries', $entries, $this, $request );
	}

	/**
	 * Last chance to configure the output.
	 *
	 * Used for CSV output, for example.
	 *
	 * @return void
	 */
	public static function template_redirect() {
		/**
		 * CSV output.
		 */
		if ( ! get_query_var( 'csv' ) ) {
			return;
		}

		if ( ! $view = gravityview()->request->is_view() ) {
			return;
		}

		if ( is_wp_error( $error = $view->can_render( array( 'csv' ) ) ) ) {
			gravityview()->log->error( 'Not rendering CSV: ' . $error->get_error_message() );
			return;
		}

		/**
		 * Modify the name of the generated CSV file. Name will be sanitized using sanitize_file_name() before output.
		 * @see sanitize_file_name()
		 * @since 2.1
		 * @param string   $filename File name used when downloading a CSV. Default is "{View title}.csv"
		 * @param \GV\View $view Current View being rendered
		 */
		$filename = apply_filters( 'gravityview/output/csv/filename', get_the_title( $view->post ), $view );

		if ( ! defined( 'DOING_GRAVITYVIEW_TESTS' ) ) {
			header( sprintf( 'Content-Disposition: attachment;filename="%s.csv"', sanitize_file_name( $filename ) ) );
			header( 'Content-Transfer-Encoding: binary' );
			header( 'Content-Type: text/csv' );
		}

		ob_start();
		$csv = fopen( 'php://output', 'w' );

		/**
		 * Add da' BOM if GF uses it
		 * @see GFExport::start_export()
		 */
		if ( apply_filters( 'gform_include_bom_export_entries', true, $view->form ? $view->form->form : null ) ) {
			fputs( $csv, "\xef\xbb\xbf" );
		}

		if ( $view->settings->get( 'csv_nolimit' ) ) {
			$view->settings->update( array( 'page_size' => -1 ) );
		}

		$entries = $view->get_entries();

		$headers_done = false;
		$allowed = $headers = array();

		foreach ( $view->fields->by_position( "directory_*" )->by_visible( $view )->all() as $id => $field ) {
			$allowed[] = $field;
		}

		$renderer = new Field_Renderer();

		foreach ( $entries->all() as $entry ) {

			$return = array();

			/**
			 * @filter `gravityview/csv/entry/fields` Whitelist more entry fields by ID that are output in CSV requests.
			 * @param[in,out] array $allowed The allowed ones, default by_visible, by_position( "context_*" ), i.e. as set in the View.
			 * @param \GV\View $view The view.
			 * @param \GV\Entry $entry WordPress representation of the item.
			 */
			$allowed_field_ids = apply_filters( 'gravityview/csv/entry/fields', wp_list_pluck( $allowed, 'ID' ), $view, $entry );

			$allowed = array_filter( $allowed, function( $field ) use ( $allowed_field_ids ) {
				return in_array( $field->ID, $allowed_field_ids, true );
			} );

			foreach ( array_diff( $allowed_field_ids, wp_list_pluck( $allowed, 'ID' ) ) as $field_id ) {
				$allowed[] = is_numeric( $field_id ) ? \GV\GF_Field::by_id( $view->form, $field_id ) : \GV\Internal_Field::by_id( $field_id );
			}

			foreach ( $allowed as $field ) {
				$source = is_numeric( $field->ID ) ? $view->form : new \GV\Internal_Source();

				$return[] = $renderer->render( $field, $view, $source, $entry, gravityview()->request, '\GV\Field_CSV_Template' );

				if ( ! $headers_done ) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
					$label = $field->get_label( $view, $source, $entry );
					$headers[] = $label ? $label : $field->ID;
				}
			}

			if ( ! $headers_done ) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
				$headers_done = fputcsv( $csv, array_map( array( '\GV\Utils', 'strip_excel_formulas' ), array_values( $headers ) ) );
			}

			fputcsv( $csv, array_map( array( '\GV\Utils', 'strip_excel_formulas' ), $return ) );
		}

		fflush( $csv );

		echo rtrim( ob_get_clean() );

		if ( ! defined( 'DOING_GRAVITYVIEW_TESTS' ) ) {
			exit;
		}
	}

	/**
	 * Return the query class for this View.
	 *
	 * @return string The class name.
	 */
	public function get_query_class() {
		/**
		 * @filter `gravityview/query/class`
		 * @param[in,out] string The query class. Default: GF_Query.
		 * @param \GV\View $this The View.
		 */
		$query_class = apply_filters( 'gravityview/query/class', '\GF_Query', $this );
		return $query_class;
	}

	/**
	 * Restrict View access to specific capabilities.
	 *
	 * Hooked into `map_meta_cap` WordPress filter.
	 *
	 * @since develop
	 *
	 * @param $caps    array  The output capabilities.
	 * @param $cap     string The cap that is being checked.
	 * @param $user_id int    The User ID.
	 * @param $args    array  Additional arguments to the capability.
	 *
	 * @return array   The resulting capabilities.
	 */
	public static function restrict( $caps, $cap, $user_id, $args ) {
		/**
		 * @filter `gravityview/security/require_unfiltered_html` Bypass restrictions on Views that require `unfiltered_html`.
		 * @param[in,out] boolean
		 *
		 * @since develop
		 * @param string $cap The capability requested.
		 * @param int $user_id The user ID.
		 * @param array $args Any additional args to map_meta_cap
		 */
		if ( ! apply_filters( 'gravityview/security/require_unfiltered_html', true, $cap, $user_id ) ) {
			return $caps;
		}

		switch ( $cap ):
			case 'edit_gravityview':
			case 'edit_gravityviews':
			case 'edit_others_gravityviews':
			case 'edit_private_gravityviews':
			case 'edit_published_gravityviews':
				if ( ! user_can( $user_id, 'unfiltered_html' ) ) {
					if ( ! user_can( $user_id, 'gravityview_full_access' ) ) {
						return array( 'do_not_allow' );
					}
				}

				return $caps;
			case 'edit_post':
				if ( 'gravityview' === get_post_type( array_pop( $args ) ) ) {
					return self::restrict( $caps, 'edit_gravityview', $user_id, $args );
				}
		endswitch;

		return $caps;
	}

	public function __get( $key ) {
		if ( $this->post ) {
			$raw_post = $this->post->filter( 'raw' );
			return $raw_post->{$key};
		}
		return isset( $this->{$key} ) ? $this->{$key} : null;
	}
}

Pull Request — develop (#1487)

View::offsetExists() A

Complexity

Size

Duplication

Code Coverage

Importance

1. Missing dependencies

2. Missing use statement

1. Missing dependencies

2. Missing use statement

1. Missing dependencies

2. Missing use statement

Available Fixes

Available Fixes

1. Missing dependencies

2. Missing use statement

1. Missing dependencies

2. Missing use statement

gravityview / GravityView

Pull Request — develop (#1487)

View::offsetExists() A

Complexity

Size

Duplication

Code Coverage

Importance

1. Missing dependencies

2. Missing use statement

1. Missing dependencies

2. Missing use statement

1. Missing dependencies

2. Missing use statement

Available Fixes

Available Fixes

1. Missing dependencies

2. Missing use statement

1. Missing dependencies

2. Missing use statement

Duplication Side-by-Side

Filter issues like
