View::can_render() - Code Metrics - Inspection of "Correcter debug" - gravityview/GravityView - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — develop ( 72e40e...f33cb6 )

by Gennady
created 2018-08-01 13:37 UTC
View::can_render() C

↳ Parent: View
Complexity

Conditions	16
Paths	72
Size

Total Lines
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	21
CRAP Score	20
Importance

Changes
Metric	Value
cc	16
nc	72
nop	2
dl	0
loc	73
ccs	21
cts	28
cp	0.75
crap	20
rs	5.5666
c	0
b	0
f	0
How to fix Long Method Complexity

<?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 future
	 */
	public $joins = 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 );
	}

	/**
	 * 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 ) )
// Without braces (not recommended)
if (true)
    doSomething();

// Recommended
if (true) {
    doSomething();
}
				break;

			switch ( str_replace( 'gravityview/', '', $error->get_error_code() ) ) {
				case 'post_password_required':
					return get_the_password_form( $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.");
        }
    }

}
				case 'no_form_attached':
					/**
					 * 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 ) ) {
<?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 __( 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' );
<?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.");
        }
    }

}
					}
					break;
				case 'no_direct_access':
				case 'embed_only':
				case 'not_public':
					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 );
<?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.");
        }
    }

}

		/**
		 * Editing a single entry.
		 */
		if ( $entry = $request->is_edit_entry() ) {
			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() ) {
			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' );
				}
			}

			$error = \GVCommon::check_entry_display( $entry->as_entry() );

			if( is_wp_error( $error ) ) {
				gravityview()->log->error( 'Entry ID #{entry_id} is not approved for viewing: {message}', array( 'entry_id' => $entry->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.
		 */
		} else {
			$renderer = new View_Renderer();
			return $renderer->render( $view, $request );
		}

		return $content;
function fx() {
    try {
        doSomething();
        return true;
    }
    catch (\Exception $e) {
        return false;
    }

    return false;
}
	}

	/**
	 * 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 acessed.
	 *                                 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();
		}

		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' );
			}
		}

		/**
		 * 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' );
		}
	}

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

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

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

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

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

		$joins = array();

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

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

		return $joins;
	}

	/**
	 * Get joined forms associated with a view
	 *
	 * @since 2.0.11
	 *
	 * @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 = 0 ) {

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

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

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

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

		$forms_ids = array();

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

				continue;
			}

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

			$forms_ids [] = GF_Form::by_id( $join_on );
		}

		return ( !empty( $forms_ids) ) ? $forms_ids : null;

	}

	/**
	 * 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}" ) ) {
			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 );

		/**
		 * @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;

		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.
	 */
	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();
		}
	}

	/**
	 * 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()->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. Usued for now.
	 *
	 * @return \GV\Entry_Collection The entries.
	 */
	public function get_entries( $request = null ) {
		$entries = new \GV\Entry_Collection();
		if ( $this->form ) {
			/**
			 * @todo: Stop using _frontend and use something like $request->get_search_criteria() instead
			 */
			$parameters = \GravityView_frontend::get_view_entries_parameters( $this->settings->as_atts(), $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 ( $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' ) ) / $parameters['paging']['page_size'] ) + 1 );

			if ( gravityview()->plugin->supports( Plugin::FEATURE_GFQUERY ) ) {
				/**
				 * New \GF_Query stuff :)
				 */
				$query = new \GF_Query( $this->form->ID, $parameters['search_criteria'], $parameters['sorting'] );

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

				/**
				 * Any joins?
				 */
				if ( Plugin::FEATURE_JOINS && count( $this->joins ) ) {
					foreach ( $this->joins as $join ) {
						$query = $join->as_query_join( $query );
					}
				}

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

				/**
				 * 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() ) );
				}

				/**
				 * 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'] ) && ! 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 );
	}

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

gravityview / GravityView

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