insideout10 / wordlift-plugin

src/includes/class-wordlift-i18n.php

Indentation +33 added lines, -33 removed lines

@@ -26,38 +26,38 @@
  */
 class Wordlift_i18n {
 
-	/**
-	 * The domain specified for this plugin.
-	 *
-	 * @since    1.0.0
-	 * @access   private
-	 * @var      string    $domain    The domain identifier for this plugin.
-	 */
-	private $domain;
-
-	/**
-	 * Load the plugin text domain for translation.
-	 *
-	 * @since    1.0.0
-	 */
-	public function load_plugin_textdomain() {
-
-		load_plugin_textdomain(
-			$this->domain,
-			false,
-			dirname( dirname( plugin_basename( __FILE__ ) ) ) . '/languages/'
-		);
-
-	}
-
-	/**
-	 * Set the domain equal to that of the specified domain.
-	 *
-	 * @since    1.0.0
-	 * @param    string    $domain    The domain that represents the locale of this plugin.
-	 */
-	public function set_domain( $domain ) {
-		$this->domain = $domain;
-	}
+    /**
+     * The domain specified for this plugin.
+     *
+     * @since    1.0.0
+     * @access   private
+     * @var      string    $domain    The domain identifier for this plugin.
+     */
+    private $domain;
+
+    /**
+     * Load the plugin text domain for translation.
+     *
+     * @since    1.0.0
+     */
+    public function load_plugin_textdomain() {
+
+        load_plugin_textdomain(
+            $this->domain,
+            false,
+            dirname( dirname( plugin_basename( __FILE__ ) ) ) . '/languages/'
+        );
+
+    }
+
+    /**
+     * Set the domain equal to that of the specified domain.
+     *
+     * @since    1.0.0
+     * @param    string    $domain    The domain that represents the locale of this plugin.
+     */
+    public function set_domain( $domain ) {
+        $this->domain = $domain;
+    }
 
 }

Spacing +2 added lines, -2 removed lines

@@ -45,7 +45,7 @@ 
 		load_plugin_textdomain(
 			$this->domain,
 			false,
-			dirname( dirname( plugin_basename( __FILE__ ) ) ) . '/languages/'
+			dirname(dirname(plugin_basename(__FILE__))).'/languages/'
 		);
 
 	}
@@ -56,7 +56,7 @@ 
 	 * @since    1.0.0
 	 * @param    string    $domain    The domain that represents the locale of this plugin.
 	 */
-	public function set_domain( $domain ) {
+	public function set_domain($domain) {
 		$this->domain = $domain;
 	}
 

src/includes/class-wordlift-loader.php

Indentation +102 added lines, -102 removed lines

@@ -23,107 +23,107 @@
  */
 class Wordlift_Loader {
 
-	/**
-	 * The array of actions registered with WordPress.
-	 *
-	 * @since    1.0.0
-	 * @access   protected
-	 * @var      array    $actions    The actions registered with WordPress to fire when the plugin loads.
-	 */
-	protected $actions;
-
-	/**
-	 * The array of filters registered with WordPress.
-	 *
-	 * @since    1.0.0
-	 * @access   protected
-	 * @var      array    $filters    The filters registered with WordPress to fire when the plugin loads.
-	 */
-	protected $filters;
-
-	/**
-	 * Initialize the collections used to maintain the actions and filters.
-	 *
-	 * @since    1.0.0
-	 */
-	public function __construct() {
-
-		$this->actions = array();
-		$this->filters = array();
-
-	}
-
-	/**
-	 * Add a new action to the collection to be registered with WordPress.
-	 *
-	 * @since    1.0.0
-	 * @param    string               $hook             The name of the WordPress action that is being registered.
-	 * @param    object               $component        A reference to the instance of the object on which the action is defined.
-	 * @param    string               $callback         The name of the function definition on the $component.
-	 * @param    int                  $priority         Optional. he priority at which the function should be fired. Default is 10.
-	 * @param    int                  $accepted_args    Optional. The number of arguments that should be passed to the $callback. Default is 1.
-	 */
-	public function add_action( $hook, $component, $callback, $priority = 10, $accepted_args = 1 ) {
-		$this->actions = $this->add( $this->actions, $hook, $component, $callback, $priority, $accepted_args );
-	}
-
-	/**
-	 * Add a new filter to the collection to be registered with WordPress.
-	 *
-	 * @since    1.0.0
-	 * @param    string               $hook             The name of the WordPress filter that is being registered.
-	 * @param    object               $component        A reference to the instance of the object on which the filter is defined.
-	 * @param    string               $callback         The name of the function definition on the $component.
-	 * @param    int                  $priority         Optional. he priority at which the function should be fired. Default is 10.
-	 * @param    int                  $accepted_args    Optional. The number of arguments that should be passed to the $callback. Default is 1
-	 */
-	public function add_filter( $hook, $component, $callback, $priority = 10, $accepted_args = 1 ) {
-		$this->filters = $this->add( $this->filters, $hook, $component, $callback, $priority, $accepted_args );
-	}
-
-	/**
-	 * A utility function that is used to register the actions and hooks into a single
-	 * collection.
-	 *
-	 * @since    1.0.0
-	 * @access   private
-	 * @param    array                $hooks            The collection of hooks that is being registered (that is, actions or filters).
-	 * @param    string               $hook             The name of the WordPress filter that is being registered.
-	 * @param    object               $component        A reference to the instance of the object on which the filter is defined.
-	 * @param    string               $callback         The name of the function definition on the $component.
-	 * @param    int                  $priority         The priority at which the function should be fired.
-	 * @param    int                  $accepted_args    The number of arguments that should be passed to the $callback.
-	 * @return   array                                  The collection of actions and filters registered with WordPress.
-	 */
-	private function add( $hooks, $hook, $component, $callback, $priority, $accepted_args ) {
-
-		$hooks[] = array(
-			'hook'          => $hook,
-			'component'     => $component,
-			'callback'      => $callback,
-			'priority'      => $priority,
-			'accepted_args' => $accepted_args
-		);
-
-		return $hooks;
-
-	}
-
-	/**
-	 * Register the filters and actions with WordPress.
-	 *
-	 * @since    1.0.0
-	 */
-	public function run() {
-
-		foreach ( $this->filters as $hook ) {
-			add_filter( $hook['hook'], array( $hook['component'], $hook['callback'] ), $hook['priority'], $hook['accepted_args'] );
-		}
-
-		foreach ( $this->actions as $hook ) {
-			add_action( $hook['hook'], array( $hook['component'], $hook['callback'] ), $hook['priority'], $hook['accepted_args'] );
-		}
-
-	}
+    /**
+     * The array of actions registered with WordPress.
+     *
+     * @since    1.0.0
+     * @access   protected
+     * @var      array    $actions    The actions registered with WordPress to fire when the plugin loads.
+     */
+    protected $actions;
+
+    /**
+     * The array of filters registered with WordPress.
+     *
+     * @since    1.0.0
+     * @access   protected
+     * @var      array    $filters    The filters registered with WordPress to fire when the plugin loads.
+     */
+    protected $filters;
+
+    /**
+     * Initialize the collections used to maintain the actions and filters.
+     *
+     * @since    1.0.0
+     */
+    public function __construct() {
+
+        $this->actions = array();
+        $this->filters = array();
+
+    }
+
+    /**
+     * Add a new action to the collection to be registered with WordPress.
+     *
+     * @since    1.0.0
+     * @param    string               $hook             The name of the WordPress action that is being registered.
+     * @param    object               $component        A reference to the instance of the object on which the action is defined.
+     * @param    string               $callback         The name of the function definition on the $component.
+     * @param    int                  $priority         Optional. he priority at which the function should be fired. Default is 10.
+     * @param    int                  $accepted_args    Optional. The number of arguments that should be passed to the $callback. Default is 1.
+     */
+    public function add_action( $hook, $component, $callback, $priority = 10, $accepted_args = 1 ) {
+        $this->actions = $this->add( $this->actions, $hook, $component, $callback, $priority, $accepted_args );
+    }
+
+    /**
+     * Add a new filter to the collection to be registered with WordPress.
+     *
+     * @since    1.0.0
+     * @param    string               $hook             The name of the WordPress filter that is being registered.
+     * @param    object               $component        A reference to the instance of the object on which the filter is defined.
+     * @param    string               $callback         The name of the function definition on the $component.
+     * @param    int                  $priority         Optional. he priority at which the function should be fired. Default is 10.
+     * @param    int                  $accepted_args    Optional. The number of arguments that should be passed to the $callback. Default is 1
+     */
+    public function add_filter( $hook, $component, $callback, $priority = 10, $accepted_args = 1 ) {
+        $this->filters = $this->add( $this->filters, $hook, $component, $callback, $priority, $accepted_args );
+    }
+
+    /**
+     * A utility function that is used to register the actions and hooks into a single
+     * collection.
+     *
+     * @since    1.0.0
+     * @access   private
+     * @param    array                $hooks            The collection of hooks that is being registered (that is, actions or filters).
+     * @param    string               $hook             The name of the WordPress filter that is being registered.
+     * @param    object               $component        A reference to the instance of the object on which the filter is defined.
+     * @param    string               $callback         The name of the function definition on the $component.
+     * @param    int                  $priority         The priority at which the function should be fired.
+     * @param    int                  $accepted_args    The number of arguments that should be passed to the $callback.
+     * @return   array                                  The collection of actions and filters registered with WordPress.
+     */
+    private function add( $hooks, $hook, $component, $callback, $priority, $accepted_args ) {
+
+        $hooks[] = array(
+            'hook'          => $hook,
+            'component'     => $component,
+            'callback'      => $callback,
+            'priority'      => $priority,
+            'accepted_args' => $accepted_args
+        );
+
+        return $hooks;
+
+    }
+
+    /**
+     * Register the filters and actions with WordPress.
+     *
+     * @since    1.0.0
+     */
+    public function run() {
+
+        foreach ( $this->filters as $hook ) {
+            add_filter( $hook['hook'], array( $hook['component'], $hook['callback'] ), $hook['priority'], $hook['accepted_args'] );
+        }
+
+        foreach ( $this->actions as $hook ) {
+            add_action( $hook['hook'], array( $hook['component'], $hook['callback'] ), $hook['priority'], $hook['accepted_args'] );
+        }
+
+    }
 
 }

Spacing +9 added lines, -9 removed lines

@@ -63,8 +63,8 @@ 
 	 * @param    int                  $priority         Optional. he priority at which the function should be fired. Default is 10.
 	 * @param    int                  $accepted_args    Optional. The number of arguments that should be passed to the $callback. Default is 1.
 	 */
-	public function add_action( $hook, $component, $callback, $priority = 10, $accepted_args = 1 ) {
-		$this->actions = $this->add( $this->actions, $hook, $component, $callback, $priority, $accepted_args );
+	public function add_action($hook, $component, $callback, $priority = 10, $accepted_args = 1) {
+		$this->actions = $this->add($this->actions, $hook, $component, $callback, $priority, $accepted_args);
 	}
 
 	/**
@@ -77,8 +77,8 @@ 
 	 * @param    int                  $priority         Optional. he priority at which the function should be fired. Default is 10.
 	 * @param    int                  $accepted_args    Optional. The number of arguments that should be passed to the $callback. Default is 1
 	 */
-	public function add_filter( $hook, $component, $callback, $priority = 10, $accepted_args = 1 ) {
-		$this->filters = $this->add( $this->filters, $hook, $component, $callback, $priority, $accepted_args );
+	public function add_filter($hook, $component, $callback, $priority = 10, $accepted_args = 1) {
+		$this->filters = $this->add($this->filters, $hook, $component, $callback, $priority, $accepted_args);
 	}
 
 	/**
@@ -95,7 +95,7 @@ 
 	 * @param    int                  $accepted_args    The number of arguments that should be passed to the $callback.
 	 * @return   array                                  The collection of actions and filters registered with WordPress.
 	 */
-	private function add( $hooks, $hook, $component, $callback, $priority, $accepted_args ) {
+	private function add($hooks, $hook, $component, $callback, $priority, $accepted_args) {
 
 		$hooks[] = array(
 			'hook'          => $hook,
@@ -116,12 +116,12 @@ 
 	 */
 	public function run() {
 
-		foreach ( $this->filters as $hook ) {
-			add_filter( $hook['hook'], array( $hook['component'], $hook['callback'] ), $hook['priority'], $hook['accepted_args'] );
+		foreach ($this->filters as $hook) {
+			add_filter($hook['hook'], array($hook['component'], $hook['callback']), $hook['priority'], $hook['accepted_args']);
 		}
 
-		foreach ( $this->actions as $hook ) {
-			add_action( $hook['hook'], array( $hook['component'], $hook['callback'] ), $hook['priority'], $hook['accepted_args'] );
+		foreach ($this->actions as $hook) {
+			add_action($hook['hook'], array($hook['component'], $hook['callback']), $hook['priority'], $hook['accepted_args']);
 		}
 
 	}

src/shortcodes/wordlift_shortcode_field.php

Spacing +9 added lines, -9 removed lines

@@ -9,28 +9,28 @@ 
  * @param array $atts An array of shortcode attributes.
  * @return string A dom element with requested property value(s).
  */
-function wl_shortcode_field( $atts ) {
+function wl_shortcode_field($atts) {
 	
     // Extract attributes and set default values.
-    $field_atts = shortcode_atts( array(
+    $field_atts = shortcode_atts(array(
         'id'    => null,
         'name'  => null
-    ), $atts );
+    ), $atts);
     
     // Get id of the post
     $entity_id = $field_atts['id'];
-    if( is_null( $field_atts['id'] ) || !is_numeric( $field_atts['id'] ) ) {
+    if (is_null($field_atts['id']) || ! is_numeric($field_atts['id'])) {
         $entity_id = get_the_ID();
     }
 
     $property_name = $field_atts['name'];
-    if( !is_null( $property_name ) ) {
-        $values = wl_schema_get_value( $entity_id, $property_name );
+    if ( ! is_null($property_name)) {
+        $values = wl_schema_get_value($entity_id, $property_name);
     }
     
     // Return
-    if( is_array( $values ) ) {
-        return implode( ', ', $values );
+    if (is_array($values)) {
+        return implode(', ', $values);
     } else {
         return null;
     }
@@ -40,5 +40,5 @@ 
     add_shortcode('wl_field', 'wl_shortcode_field');
 }
 
-add_action( 'init', 'wl_register_shortcode_field');
+add_action('init', 'wl_register_shortcode_field');
 

src/includes/class-wordlift-ui-service.php

Indentation +64 added lines, -64 removed lines

@@ -7,80 +7,80 @@
  */
 class Wordlift_UI_Service {
 
-	/**
-	 * The button element HTML code.
-	 *
-	 * @since 3.2.0
-	 */
-	const BUTTON_HTML = '<a id="%s" class="button wl-button">%s</a>';
+    /**
+     * The button element HTML code.
+     *
+     * @since 3.2.0
+     */
+    const BUTTON_HTML = '<a id="%s" class="button wl-button">%s</a>';
 
-	/**
-	 * The template HTML code.
-	 *
-	 * @since 3.2.0
-	 */
-	const TEMPLATE_HTML = '<script id="%s" type="text/template">%s</script>';
+    /**
+     * The template HTML code.
+     *
+     * @since 3.2.0
+     */
+    const TEMPLATE_HTML = '<script id="%s" type="text/template">%s</script>';
 
-	/**
-	 * Get the button HTML.
-	 *
-	 * @since 3.2.0
-	 *
-	 * @param string $element_id The button element id.
-	 * @param string $label The button (translated) label.
-	 *
-	 * @return string The button HTML code.
-	 */
-	public function get_button_html( $element_id, $label ) {
+    /**
+     * Get the button HTML.
+     *
+     * @since 3.2.0
+     *
+     * @param string $element_id The button element id.
+     * @param string $label The button (translated) label.
+     *
+     * @return string The button HTML code.
+     */
+    public function get_button_html( $element_id, $label ) {
 
-		return sprintf( self::BUTTON_HTML, $element_id, esc_html( $label ) );
-	}
+        return sprintf( self::BUTTON_HTML, $element_id, esc_html( $label ) );
+    }
 
-	/**
-	 * Echo the button HTML.
-	 *
-	 * @since 3.2.0
-	 *
-	 * @param string $element_id The button element id.
-	 * @param string $label The button (translated) label.
-	 *
-	 * @return string The button HTML code.
-	 */
-	public function print_button( $element_id, $label ) {
+    /**
+     * Echo the button HTML.
+     *
+     * @since 3.2.0
+     *
+     * @param string $element_id The button element id.
+     * @param string $label The button (translated) label.
+     *
+     * @return string The button HTML code.
+     */
+    public function print_button( $element_id, $label ) {
 
-		echo( $this->get_button_html( $element_id, $label ) );
+        echo( $this->get_button_html( $element_id, $label ) );
 
-	}
+    }
 
-	/**
-	 * Get the HTML code for a template tag.
-	 *
-	 * @since 3.2.0
-	 *
-	 * @param string $element_id The element id.
-	 * @param string $body The element content.
-	 *
-	 * @return string The HTML code.
-	 */
-	public function get_template_html( $element_id, $body ) {
+    /**
+     * Get the HTML code for a template tag.
+     *
+     * @since 3.2.0
+     *
+     * @param string $element_id The element id.
+     * @param string $body The element content.
+     *
+     * @return string The HTML code.
+     */
+    public function get_template_html( $element_id, $body ) {
 
-		return sprintf( self::TEMPLATE_HTML, $element_id, $body );
-	}
+        return sprintf( self::TEMPLATE_HTML, $element_id, $body );
+    }
 
-	/**
-	 * Echo the HTML code for a template tag.
-	 *
-	 * @since 3.2.0
-	 *
-	 * @param string $element_id The element id.
-	 * @param string $body The element content.
-	 *
-	 * @return string The HTML code.
-	 */
-	public function print_template( $element_id, $body ) {
+    /**
+     * Echo the HTML code for a template tag.
+     *
+     * @since 3.2.0
+     *
+     * @param string $element_id The element id.
+     * @param string $body The element content.
+     *
+     * @return string The HTML code.
+     */
+    public function print_template( $element_id, $body ) {
 
-		echo( $this->get_template_html( $element_id, $body ) );
+        echo( $this->get_template_html( $element_id, $body ) );
 
-	}
+    }
 
 }

Spacing +8 added lines, -8 removed lines

@@ -31,9 +31,9 @@ 
 	 *
 	 * @return string The button HTML code.
 	 */
-	public function get_button_html( $element_id, $label ) {
+	public function get_button_html($element_id, $label) {
 
-		return sprintf( self::BUTTON_HTML, $element_id, esc_html( $label ) );
+		return sprintf(self::BUTTON_HTML, $element_id, esc_html($label));
 	}
 
 	/**
@@ -46,9 +46,9 @@ 
 	 *
 	 * @return string The button HTML code.
 	 */
-	public function print_button( $element_id, $label ) {
+	public function print_button($element_id, $label) {
 
-		echo( $this->get_button_html( $element_id, $label ) );
+		echo($this->get_button_html($element_id, $label));
 
 	}
 
@@ -62,9 +62,9 @@ 
 	 *
 	 * @return string The HTML code.
 	 */
-	public function get_template_html( $element_id, $body ) {
+	public function get_template_html($element_id, $body) {
 
-		return sprintf( self::TEMPLATE_HTML, $element_id, $body );
+		return sprintf(self::TEMPLATE_HTML, $element_id, $body);
 	}
 
 	/**
@@ -77,9 +77,9 @@ 
 	 *
 	 * @return string The HTML code.
 	 */
-	public function print_template( $element_id, $body ) {
+	public function print_template($element_id, $body) {
 
-		echo( $this->get_template_html( $element_id, $body ) );
+		echo($this->get_template_html($element_id, $body));
 
 	}
 

src/admin/class-wordlift-primashop-adapter.php

Indentation +24 added lines, -24 removed lines

@@ -7,33 +7,33 @@
  */
 class Wordlift_PrimaShop_Adapter {
 
-	/**
-	 * Create a Wordlift_PrimaShop_Adapter instance.
-	 *
-	 * @since 3.2.3
-	 */
-	public function __construct() {
+    /**
+     * Create a Wordlift_PrimaShop_Adapter instance.
+     *
+     * @since 3.2.3
+     */
+    public function __construct() {
 
-		// Tell WP (and PrimaShop) that we support the *prima-layout-settings*. This will display the Content Settings
-		// in the entity edit page.
-		add_post_type_support( Wordlift_Entity_Service::TYPE_NAME, 'prima-layout-settings' );
+        // Tell WP (and PrimaShop) that we support the *prima-layout-settings*. This will display the Content Settings
+        // in the entity edit page.
+        add_post_type_support( Wordlift_Entity_Service::TYPE_NAME, 'prima-layout-settings' );
 
-	}
+    }
 
-	/**
-	 * Intercept the <em>prima_metabox_entity_header_args</em> filter and return what a call to the related <em>post</em>
-	 * would have returned.
-	 *
-	 * @since 3.2.3
-	 *
-	 * @param array $meta The meta array.
-	 * @param string $ype The post type.
-	 *
-	 * @return array A meta array.
-	 */
-	function prima_metabox_entity_header_args( $meta, $ype ) {
+    /**
+     * Intercept the <em>prima_metabox_entity_header_args</em> filter and return what a call to the related <em>post</em>
+     * would have returned.
+     *
+     * @since 3.2.3
+     *
+     * @param array $meta The meta array.
+     * @param string $ype The post type.
+     *
+     * @return array A meta array.
+     */
+    function prima_metabox_entity_header_args( $meta, $ype ) {
 
-		return apply_filters( "prima_metabox_post_header_args", $meta, 'post' );
-	}
+        return apply_filters( "prima_metabox_post_header_args", $meta, 'post' );
+    }
 
 }

Spacing +3 added lines, -3 removed lines

@@ -16,7 +16,7 @@ 
 
 		// Tell WP (and PrimaShop) that we support the *prima-layout-settings*. This will display the Content Settings
 		// in the entity edit page.
-		add_post_type_support( Wordlift_Entity_Service::TYPE_NAME, 'prima-layout-settings' );
+		add_post_type_support(Wordlift_Entity_Service::TYPE_NAME, 'prima-layout-settings');
 
 	}
 
@@ -31,9 +31,9 @@ 
 	 *
 	 * @return array A meta array.
 	 */
-	function prima_metabox_entity_header_args( $meta, $ype ) {
+	function prima_metabox_entity_header_args($meta, $ype) {
 
-		return apply_filters( "prima_metabox_post_header_args", $meta, 'post' );
+		return apply_filters("prima_metabox_post_header_args", $meta, 'post');
 	}
 
 }

src/wordlift_manual_translations.php

Spacing +7 added lines, -7 removed lines

@@ -3,11 +3,11 @@
 // File created to manage some dynamic translation used in the code
 // See http://keithdevon.com/using-variables-wordpress-translation-functions/
 
-__( 'There are no related posts for the current entity.', 'wordlift' );
-__( 'This entity has not description.', 'wordlift' );
-__( 'There are no related entities for the current entity.', 'wordlift' );
-__( 'This entity is not published. It will not appear within analysis results.', 'wordlift' );
-__( 'This entity has no featured image yet.', 'wordlift' );
-__( 'There are no sameAs configured for this entity.', 'wordlift' );
-__( 'Schema.org metadata for this entity are not completed.', 'wordlift' );
+__('There are no related posts for the current entity.', 'wordlift');
+__('This entity has not description.', 'wordlift');
+__('There are no related entities for the current entity.', 'wordlift');
+__('This entity is not published. It will not appear within analysis results.', 'wordlift');
+__('This entity has no featured image yet.', 'wordlift');
+__('There are no sameAs configured for this entity.', 'wordlift');
+__('Schema.org metadata for this entity are not completed.', 'wordlift');
 

src/includes/class-wordlift-schema-service.php

Doc Comments +1 added lines, -1 removed lines

@@ -282,7 +282,7 @@
 	 *
 	 * @param string $key The field's key.
 	 *
-	 * @return null|array An array of field's properties or null if the field is not found.
+	 * @return string An array of field's properties or null if the field is not found.
 	 */
 	public function get_field( $key ) {
 

Indentation +1682 added lines, -1682 removed lines

@@ -18,1687 +18,1687 @@
  */
 class Wordlift_Schema_Service {
 
-	/**
-	 * The 'location created' field name.
-	 *
-	 * @since 3.5.0
-	 */
-	const FIELD_LOCATION_CREATED = 'wl_location_created';
-
-	/**
-	 * The 'topic' field name.
-	 *
-	 * @since 3.5.0
-	 */
-	const FIELD_TOPIC = 'wl_topic';
-
-	/**
-	 * The 'author' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_AUTHOR = 'wl_author';
-
-	/**
-	 * The 'same as' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_SAME_AS = 'entity_same_as';
-
-	/**
-	 * The 'date start' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_DATE_START = 'wl_cal_date_start';
-
-	/**
-	 * The 'date end' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_DATE_END = 'wl_cal_date_end';
-
-	/**
-	 * The 'location' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_LOCATION = 'wl_location';
-
-	/**
-	 * The 'founder' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_FOUNDER = 'wl_founder';
-
-	/**
-	 * The 'knows' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_KNOWS = 'wl_knows';
-
-	/**
-	 * The 'birth date' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_BIRTH_DATE = 'wl_birth_date';
-
-	/**
-	 * The 'birth place' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_BIRTH_PLACE = 'wl_birth_place';
-
-	/**
-	 * The 'latitude' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_GEO_LATITUDE = 'wl_geo_latitude';
-
-	/**
-	 * The 'longitude' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_GEO_LONGITUDE = 'wl_geo_longitude';
-
-	/**
-	 * The 'streetAddress' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_ADDRESS = 'wl_address';
-
-	/**
-	 * The 'postOfficeBoxNumber' field name.
-	 *
-	 * @since 3.3.0
-	 */
-	const FIELD_ADDRESS_PO_BOX = 'wl_address_post_office_box';
-
-	/**
-	 * The 'postalCode' field name.
-	 *
-	 * @since 3.3.0
-	 */
-	const FIELD_ADDRESS_POSTAL_CODE = 'wl_address_postal_code';
-
-	/**
-	 * The 'addressLocality' field name.
-	 *
-	 * @since 3.3.0
-	 */
-	const FIELD_ADDRESS_LOCALITY = 'wl_address_locality';
-	/**
-	 * The 'addressRegion' field name.
-	 *
-	 * @since 3.3.0
-	 */
-	const FIELD_ADDRESS_REGION = 'wl_address_region';
-
-	/**
-	 * The 'addressCountry' field name.
-	 *
-	 * @since 3.3.0
-	 */
-	const FIELD_ADDRESS_COUNTRY = 'wl_address_country';
-
-	/**
-	 * The 'entity type' field name.
-	 *
-	 * @since 3.1.0
-	 */
-	const FIELD_ENTITY_TYPE = 'wl_entity_type_uri';
-
-	/**
-	 * The 'email' field name.
-	 *
-	 * @since 3.2.0
-	 */
-	const FIELD_EMAIL = 'wl_email';
-
-	/**
-	 * The 'affiliation' field name.
-	 *
-	 * @since 3.2.0
-	 */
-	const FIELD_AFFILIATION = 'wl_affiliation';
-
-	/**
-	 * The 'telephone' field name.
-	 *
-	 * @since 3.8.0
-	 */
-	const FIELD_TELEPHONE = 'wl_schema_telephone';
-
-	/**
-	 * The 'legalName' field name.
-	 *
-	 * @since 3.12.0
-	 */
-	const FIELD_LEGAL_NAME = 'wl_schema_legal_name';
-
-	/**
-	 * The 'recipeCuisine' field name.
-	 *
-	 * @since 3.14.0
-	 */
-	const FIELD_RECIPE_CUISINE = 'wl_schema_recipe_cuisine';
-
-	/**
-	 * The 'recipeIngredient' field name.
-	 *
-	 * @since 3.14.0
-	 */
-	const FIELD_RECIPE_INGREDIENT = 'wl_schema_recipe_ingredient';
-
-	/**
-	 * The 'calories' field name.
-	 *
-	 * @since 3.14.0
-	 */
-	const FIELD_NUTRITION_INFO_CALORIES = 'wl_schema_nutrition_information_calories';
-
-	/**
-	 * The 'recipeInstructions' field name.
-	 *
-	 * @since 3.14.0
-	 */
-	const FIELD_RECIPE_INSTRUCTIONS = 'wl_schema_recipe_instructions';
-
-	/**
-	 * The 'recipeYield' field name.
-	 *
-	 * @since 3.14.0
-	 */
-	const FIELD_RECIPE_YIELD = 'wl_schema_recipe_yield';
-
-	/**
-	 * The 'prepTime' field name.
-	 *
-	 * @since 3.14.0
-	 */
-	const FIELD_PREP_TIME = 'wl_schema_prep_time';
-
-	/**
-	 * The 'cookTime' field name.
-	 *
-	 * @since 3.14.0
-	 */
-	const FIELD_COOK_TIME = 'wl_schema_cook_time';
-
-	/**
-	 * The 'totalTime' field name.
-	 *
-	 * @since 3.14.0
-	 */
-	const FIELD_TOTAL_TIME = 'wl_schema_total_time';
-
-	/**
-	 * The 'performer' field name.
-	 *
-	 * @since 3.18.0
-	 */
-	const FIELD_PERFORMER = 'wl_schema_performer';
-
-	/**
-	 * The 'offers' field name.
-	 *
-	 * @since 3.18.0
-	 */
-	const FIELD_OFFERS = 'wl_schema_offers';
-
-	/**
-	 * The 'availablity' field name.
-	 *
-	 * @since 3.18.0
-	 */
-	const FIELD_AVAILABILITY = 'wl_schema_availability';
-
-	/**
-	 * The 'inventoryLevel' field name.
-	 *
-	 * @since 3.18.0
-	 */
-	const FIELD_INVENTORY_LEVEL = 'wl_schema_inventory_level';
-
-	/**
-	 * The 'price' field name.
-	 *
-	 * @since 3.18.0
-	 */
-	const FIELD_PRICE = 'wl_schema_price';
-
-	/**
-	 * The 'priceCurrency' field name.
-	 *
-	 * @since 3.18.0
-	 */
-	const FIELD_PRICE_CURRENCY = 'wl_schema_price_currency';
-
-	/**
-	 * The 'availabilityStarts' field name.
-	 *
-	 * @since 3.18.0
-	 */
-	const FIELD_AVAILABILITY_STARTS = 'wl_schema_availability_starts';
-
-	/**
-	 * The 'availabilityEnds' field name.
-	 *
-	 * @since 3.18.0
-	 */
-	const FIELD_AVAILABILITY_ENDS = 'wl_schema_availability_ends';
-
-	/**
-	 * The 'validFrom' field name.
-	 *
-	 * @since 3.18.0
-	 */
-	const FIELD_VALID_FROM = 'wl_schema_valid_from';
-
-	/**
-	 * The 'priceValidUntil' field name.
-	 *
-	 * @since 3.18.0
-	 */
-	const FIELD_PRICE_VALID_UNTIL = 'wl_schema_valid_until';
-
-	/**
-	 * The 'itemOffered' field name.
-	 *
-	 * @since 3.18.0
-	 */
-	const FIELD_ITEM_OFFERED = 'wl_schema_item_offered';
-
-	/**
-	 * The 'URI' data type name.
-	 *
-	 * @since 3.1.0
-	 */
-	const DATA_TYPE_URI = 'uri';
-
-	/**
-	 * The 'date' data type name.
-	 *
-	 * @since 3.1.0
-	 */
-	const DATA_TYPE_DATE = 'date';
-
-	/**
-	 * The 'dateTime' data type name.
-	 *
-	 * @since 3.15.0
-	 */
-	const DATA_TYPE_DATE_TIME = 'dateTime';
-
-	/**
-	 * The 'time' data type name.
-	 *
-	 * @since 3.14.0
-	 */
-	const DATA_TYPE_DURATION = 'duration';
-
-	/**
-	 * The 'double' data type name.
-	 *
-	 * @since 3.1.0
-	 */
-	const DATA_TYPE_DOUBLE = 'double';
-
-	/**
-	 * The 'string' data type name.
-	 *
-	 * @since 3.1.0
-	 */
-	const DATA_TYPE_STRING = 'string';
-
-	/**
-	 * The multiline text data type name.
-	 *
-	 * @since 3.14.0
-	 */
-	const DATA_TYPE_MULTILINE = 'multiline';
-
-	/**
-	 * The 'integer' data type name.
-	 *
-	 * @since 3.1.0
-	 */
-	const DATA_TYPE_INTEGER = 'int';
-
-	/**
-	 * The 'boolean' data type name.
-	 *
-	 * @since 3.1.0
-	 */
-	const DATA_TYPE_BOOLEAN = 'bool';
-
-	/**
-	 * The schema.org Event type URI.
-	 *
-	 * @since 3.1.0
-	 */
-	const SCHEMA_EVENT_TYPE = 'http://schema.org/Event';
-
-	/**
-	 * The schema.org Offer type URI.
-	 *
-	 * @since 3.18.0
-	 */
-	const SCHEMA_OFFER_TYPE = 'http://schema.org/Offer';
-
-	/**
-	 * The Schema service singleton instance.
-	 *
-	 * @since  3.1.0
-	 * @access private
-	 * @var \Wordlift_Schema_Service $instance The Schema service singleton instance.
-	 */
-	private static $instance;
-
-	/**
-	 * WordLift's schema.
-	 *
-	 * @since  3.1.0
-	 * @access private
-	 * @var array $schema WordLift's schema.
-	 */
-	private $schema;
-
-	/**
-	 * The Log service.
-	 *
-	 * @since  3.1.0
-	 * @access private
-	 * @var \Wordlift_Log_Service $log The Log service.
-	 */
-	private $log;
-
-	/**
-	 * The {@link Wordlift_Post_Property_Storage_Factory} instance.
-	 *
-	 * @since  3.15.0
-	 * @access private
-	 * @var \Wordlift_Storage_Factory $storage_factory The {@link Wordlift_Post_Property_Storage_Factory} instance.
-	 */
-	private $storage_factory;
-
-	/**
-	 * The {@link Wordlift_Sparql_Tuple_Rendition_Factory} instance.
-	 *
-	 * @since  3.15.0
-	 * @access private
-	 * @var \Wordlift_Sparql_Tuple_Rendition_Factory $rendition_factory The {@link Wordlift_Sparql_Tuple_Rendition_Factory} instance.
-	 */
-	private $rendition_factory;
-
-	/**
-	 * The {@link Wordlift_Configuration_Service} instance.
-	 *
-	 * @since  3.15.0
-	 * @access private
-	 * @var \Wordlift_Configuration_Service $configuration_service The {@link Wordlift_Configuration_Service} instance.
-	 */
-	private $configuration_service;
-
-	/**
-	 * The web site configured language code.
-	 *
-	 * @since  3.15.0
-	 * @access private
-	 * @var string $language_code The web site configured language code.
-	 */
-	private $language_code;
-
-	/**
-	 * Wordlift_Schema_Service constructor.
-	 *
-	 * @since 3.1.0
-	 *
-	 * @param \Wordlift_Storage_Factory                $storage_factory The {@link Wordlift_Post_Property_Storage_Factory} instance.
-	 * @param \Wordlift_Sparql_Tuple_Rendition_Factory $rendition_factory The {@link Wordlift_Sparql_Tuple_Rendition_Factory} instance.
-	 * @param \Wordlift_Configuration_Service          $configuration_service The {@link Wordlift_Configuration_Service} instance.
-	 */
-	public function __construct( $storage_factory, $rendition_factory, $configuration_service ) {
-
-		$this->log = Wordlift_Log_Service::get_logger( 'Wordlift_Schema_Service' );
-
-		$this->storage_factory       = $storage_factory;
-		$this->rendition_factory     = $rendition_factory;
-		$this->configuration_service = $configuration_service;
-		$this->language_code         = $this->configuration_service->get_language_code();
-
-		$schemas = array(
-			'article'        => $this->get_article_schema(),
-			'thing'          => $this->get_thing_schema(),
-			'creative-work'  => $this->get_creative_work_schema(),
-			'event'          => $this->get_event_schema(),
-			'organization'   => $this->get_organization_schema(),
-			'person'         => $this->get_person_schema(),
-			'place'          => $this->get_place_schema(),
-			'local-business' => $this->get_local_business_schema(),
-			'recipe'         => $this->get_recipe_schema(),
-			'web-page'       => $this->get_web_page_schema(),
-			'offer'          => $this->get_offer_schema(),
-		);
-
-		// Set the taxonomy data.
-		// Note: parent types must be defined before child types.
-		/**
-		 * Alter the configured schemas.
-		 *
-		 * Enable 3rd parties to alter WordLift's schemas array.
-		 *
-		 * @since  3.19.1
-		 *
-		 * @param    array $schemas The array of schemas.
-		 */
-		$this->schema = apply_filters( 'wl_schemas', $schemas );
-
-		// Create a singleton instance of the Schema service, useful to provide static functions to global functions.
-		self::$instance = $this;
-
-		// Hook the `init` to allow plugins to add their schemas.
-		add_action( 'init', array( $this, 'init' ) );
-
-	}
-
-	/**
-	 * Hook to the `init`, allow late binding plugins to add their schema.
-	 *
-	 * @since 3.19.2
-	 */
-	public function init() {
-
-		$this->schema = apply_filters( 'wl_schemas_init', $this->schema );
-
-	}
-
-	/**
-	 * Get a reference to the Schema service.
-	 *
-	 * @since 3.1.0
-	 *
-	 * @return Wordlift_Schema_Service A reference to the Schema service.
-	 */
-	public static function get_instance() {
-
-		return self::$instance;
-	}
-
-	/**
-	 * Get the properties for a field with the specified key. The key is used as
-	 * meta key when the field's value is stored in WordPress meta data table.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param string $key The field's key.
-	 *
-	 * @return null|array An array of field's properties or null if the field is not found.
-	 */
-	public function get_field( $key ) {
-
-		// Parse each schema's fields until we find the one we're looking for, then
-		// return its properties.
-		foreach ( $this->schema as $_ => $schema ) {
-
-			if ( ! isset( $schema['custom_fields'] ) ) {
-				break;
-			}
-
-			foreach ( $schema['custom_fields'] as $field => $props ) {
-				if ( $key === $field ) {
-					return $props;
-				}
-			}
-		}
-
-		return null;
-	}
-
-	/**
-	 * Get all renditions for each WordLift's schema.
-	 *
-	 * @since 3.18.0
-	 *
-	 * @return array An array with the schema renditions.
-	 */
-	public function get_renditions() {
-		// Get the custom fields.
-		$renditions = array_reduce(
-			$this->schema,
-			function ( $carry, $item ) {
-				return array_merge( $carry, $item['linked_data'] );
-			},
-			array()
-		);
-
-		// Return the schemas.
-		return $renditions;
-	}
-
-	/**
-	 * Get the WordLift's schema.
-	 *
-	 * @param string $name The schema name.
-	 *
-	 * @return array|null An array with the schema configuration or NULL if the schema is not found.
-	 *
-	 * @since 3.1.0
-	 */
-	public function get_schema( $name ) {
-		// Check if the schema exists and, if not, return NULL.
-		if ( ! isset( $this->schema[ $name ] ) ) {
-			return null;
-		}
-
-		// Return the requested schema.
-		return $this->schema[ $name ];
-	}
-
-	/**
-	 * Get the WordLift's schema trough schema type uri.
-	 *
-	 * @param string $uri The schema uri.
-	 *
-	 * @return array|null An array with the schema configuration or NULL if the schema is not found.
-	 *
-	 * @since 3.3.0
-	 */
-	public function get_schema_by_uri( $uri ) {
-
-		foreach ( $this->schema as $name => $schema ) {
-			if ( $schema['uri'] === $uri ) {
-				return $schema;
-			}
-		}
-
-		return null;
-	}
-
-	/**
-	 * Get the 'thing' schema.
-	 *
-	 * @return array An array with the schema configuration.
-	 *
-	 * @since 3.1.0
-	 */
-	private function get_thing_schema() {
-
-		return array(
-			'css_class'     => 'wl-thing',
-			'uri'           => 'http://schema.org/Thing',
-			'same_as'       => array( '*' ),
-			// set as default.
-			'custom_fields' => array(
-				self::FIELD_SAME_AS                            => array(
-					'predicate'   => 'http://schema.org/sameAs',
-					'type'        => self::DATA_TYPE_URI,
-					'export_type' => 'http://schema.org/Thing',
-					'constraints' => array(
-						'cardinality' => INF,
-					),
-					// We need a custom metabox.
-					'input_field' => 'sameas',
-				),
-				// Add the schema:url property.
-				Wordlift_Schema_Url_Property_Service::META_KEY => Wordlift_Schema_Url_Property_Service::get_instance()
-				                                                                                      ->get_compat_definition(),
-			),
-			// {{sameAs}} not present in the microdata template,
-			// because it is treated separately in *wl_content_embed_item_microdata*
-			'templates'     => array(
-				'subtitle' => '{{id}}',
-			),
-			'linked_data'   => array(
-				// ### Title to rdfs:label.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_title(),
-					Wordlift_Query_Builder::RDFS_LABEL_URI,
-					null,
-					$this->language_code
-				),
-				// ### Title to dct:title.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_title(),
-					'http://purl.org/dc/terms/title',
-					null,
-					$this->language_code
-				),
-				// ### Alternative title to rdfs:label.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( Wordlift_Entity_Service::ALTERNATIVE_LABEL_META_KEY ),
-					Wordlift_Query_Builder::RDFS_LABEL_URI,
-					null,
-					$this->language_code
-				),
-				// ### Alternative title to dct:title.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( Wordlift_Entity_Service::ALTERNATIVE_LABEL_META_KEY ),
-					'http://purl.org/dc/terms/title',
-					null,
-					$this->language_code
-				),
-				// ### Title to schema:name.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_title(),
-					'http://schema.org/name',
-					null,
-					$this->language_code
-				),
-				// ### Alternative title to schema:alterName.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( Wordlift_Entity_Service::ALTERNATIVE_LABEL_META_KEY ),
-					'http://schema.org/alternateName',
-					null,
-					$this->language_code
-				),
-				// ### schema:url.
-				$this->rendition_factory->create(
-					$this->storage_factory->url_property(),
-					Wordlift_Query_Builder::SCHEMA_URL_URI,
-					self::DATA_TYPE_URI
-				),
-				// ### schema:description.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_description_no_tags_no_shortcodes(),
-					'http://schema.org/description',
-					null,
-					$this->language_code
-				),
-				// ### owl:sameAs.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_SAME_AS ),
-					'http://www.w3.org/2002/07/owl#sameAs',
-					self::DATA_TYPE_URI
-				),
-				// ### schema:sameAs.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_SAME_AS ),
-					'http://schema.org/sameAs',
-					self::DATA_TYPE_URI
-				),
-				// ### rdf:type.
-				$this->rendition_factory->create(
-					$this->storage_factory->schema_class(),
-					Wordlift_Query_Builder::RDFS_TYPE_URI,
-					self::DATA_TYPE_URI
-				),
-				// ### schema:image.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_images(),
-					Wordlift_Query_Builder::SCHEMA_IMAGE_URI,
-					self::DATA_TYPE_URI
-				),
-				// ### dct:relation.
-				$this->rendition_factory->create(
-					$this->storage_factory->relations(),
-					Wordlift_Query_Builder::DCTERMS_RELATION_URI,
-					self::DATA_TYPE_URI
-				),
-			),
-		);
-
-	}
-
-	/**
-	 * Get the 'web-page' schema.
-	 *
-	 * @return array An array with the schema configuration.
-	 *
-	 * @since 3.18.0
-	 */
-	private function get_web_page_schema() {
-
-		return array(
-			'css_class'   => 'wl-webpage',
-			'uri'         => 'http://schema.org/WebPage',
-			'linked_data' => array(
-				// ### schema:headline.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_title(),
-					'http://schema.org/headline',
-					null,
-					$this->language_code
-				),
-				// ### schema:url.
-				$this->rendition_factory->create(
-					$this->storage_factory->url_property(),
-					Wordlift_Query_Builder::SCHEMA_URL_URI,
-					self::DATA_TYPE_URI
-				),
-				// ### rdf:type.
-				$this->rendition_factory->create(
-					$this->storage_factory->schema_class(),
-					Wordlift_Query_Builder::RDFS_TYPE_URI,
-					self::DATA_TYPE_URI
-				),
-				// ### dcterms:references.
-				$this->rendition_factory->create(
-					$this->storage_factory->relations(),
-					Wordlift_Query_Builder::DCTERMS_REFERENCES_URI,
-					self::DATA_TYPE_URI,
-					$this->language_code
-				),
-			),
-		);
-
-	}
-
-	/**
-	 * Get the 'creative work' schema.
-	 *
-	 * @return array An array with the schema configuration.
-	 *
-	 * @since 3.1.0
-	 */
-	private function get_creative_work_schema() {
-
-		$schema = array(
-			'label'         => 'CreativeWork',
-			'description'   => 'A creative work (or a Music Album).',
-			'parents'       => array( 'thing' ),
-			// Give term slug as parent.
-			'css_class'     => 'wl-creative-work',
-			'uri'           => 'http://schema.org/CreativeWork',
-			'same_as'       => array(
-				'http://schema.org/MusicAlbum',
-				'http://schema.org/Product',
-			),
-			'custom_fields' => array(
-				self::FIELD_AUTHOR => array(
-					'predicate'   => 'http://schema.org/author',
-					'type'        => self::DATA_TYPE_URI,
-					'export_type' => 'http://schema.org/Person',
-					'constraints' => array(
-						'uri_type'    => array( 'Person', 'Organization' ),
-						'cardinality' => INF,
-					),
-				),
-			),
-			'linked_data'   => array(
-				// ### schema:author.
-				$this->rendition_factory->create(
-					$this->storage_factory->author_uri(),
-					Wordlift_Query_Builder::SCHEMA_AUTHOR_URI,
-					self::DATA_TYPE_URI
-				),
-			),
-			'templates'     => array(
-				'subtitle' => '{{id}}',
-			),
-		);
-
-		// Merge the custom fields with those provided by the thing schema.
-		$parent_schema           = $this->get_thing_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
-
-		return $schema;
-	}
-
-	/**
-	 * Get the 'event' schema.
-	 *
-	 * @return array An array with the schema configuration.
-	 *
-	 * @since 3.1.0
-	 */
-	private function get_event_schema() {
-
-		$schema = array(
-			'label'         => 'Event',
-			'description'   => 'An event . ',
-			'parents'       => array( 'thing' ),
-			'css_class'     => 'wl-event',
-			'uri'           => self::SCHEMA_EVENT_TYPE,
-			'same_as'       => array( 'http://dbpedia.org/ontology/Event' ),
-			'custom_fields' => array(
-				self::FIELD_DATE_START => array(
-					'predicate'   => 'http://schema.org/startDate',
-					'type'        => self::DATA_TYPE_DATE,
-					'export_type' => 'xsd:dateTime',
-					'constraints' => '',
-				),
-				self::FIELD_DATE_END   => array(
-					'predicate'   => 'http://schema.org/endDate',
-					'type'        => self::DATA_TYPE_DATE,
-					'export_type' => 'xsd:dateTime',
-					'constraints' => '',
-				),
-				self::FIELD_LOCATION   => array(
-					'predicate'   => 'http://schema.org/location',
-					'type'        => self::DATA_TYPE_URI,
-					'export_type' => 'http://schema.org/PostalAddress',
-					'constraints' => array(
-						'uri_type'    => array( 'Place', 'LocalBusiness' ),
-						'cardinality' => INF,
-					),
-				),
-				self::FIELD_PERFORMER  => array(
-					'predicate'   => 'http://schema.org/performer',
-					'type'        => self::DATA_TYPE_URI,
-					'export_type' => 'http://schema.org/Person',
-					'constraints' => array(
-						'uri_type'    => array( 'Person', 'Organization' ),
-						'cardinality' => INF,
-					),
-				),
-				self::FIELD_OFFERS     => array(
-					'predicate'   => 'http://schema.org/offers',
-					'type'        => self::DATA_TYPE_URI,
-					'export_type' => 'http://schema.org/Offer',
-					'constraints' => array(
-						'uri_type'    => array( 'Offer' ),
-						'cardinality' => INF,
-					),
-				),
-			),
-			'linked_data'   => array(
-				// ### schema:startDate.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_DATE_START ),
-					'http://schema.org/startDate',
-					self::DATA_TYPE_DATE_TIME
-				),
-				// ### schema:endDate.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_DATE_END ),
-					'http://schema.org/endDate',
-					self::DATA_TYPE_DATE_TIME
-				),
-				// ### schema:location.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_LOCATION ),
-					'http://schema.org/location',
-					self::DATA_TYPE_URI
-				),
-				// ### schema:performer.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_PERFORMER ),
-					'http://schema.org/performer',
-					self::DATA_TYPE_URI
-				),
-				// ### schema:offers.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_OFFERS ),
-					'http://schema.org/offers',
-					self::DATA_TYPE_URI
-				),
-			),
-			'templates'     => array(
-				'subtitle' => '{{id}}',
-			),
-		);
-
-		// Merge the custom fields with those provided by the thing schema.
-		$parent_schema           = $this->get_thing_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
-
-		return $schema;
-	}
-
-	/**
-	 * Get the 'organization' schema.
-	 *
-	 * @return array An array with the schema configuration.
-	 *
-	 * @since 3.1.0
-	 */
-	private function get_organization_schema() {
-
-		$schema = array(
-			'label'         => 'Organization',
-			'description'   => 'An organization, including a government or a newspaper.',
-			'parents'       => array( 'thing' ),
-			'css_class'     => 'wl-organization',
-			'uri'           => 'http://schema.org/Organization',
-			'same_as'       => array(
-				'http://rdf.freebase.com/ns/organization.organization',
-				'http://rdf.freebase.com/ns/government.government',
-				'http://schema.org/Newspaper',
-			),
-			'custom_fields' => array(
-				self::FIELD_LEGAL_NAME          => array(
-					'predicate'   => 'http://schema.org/legalName',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-				),
-				self::FIELD_FOUNDER             => array(
-					'predicate'   => 'http://schema.org/founder',
-					'type'        => self::DATA_TYPE_URI,
-					'export_type' => 'http://schema.org/Person',
-					'constraints' => array(
-						'uri_type'    => 'Person',
-						'cardinality' => INF,
-					),
-				),
-				self::FIELD_ADDRESS             => array(
-					'predicate'   => 'http://schema.org/streetAddress',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'address',
-				),
-				self::FIELD_ADDRESS_PO_BOX      => array(
-					'predicate'   => 'http://schema.org/postOfficeBoxNumber',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'address',
-				),
-				self::FIELD_ADDRESS_POSTAL_CODE => array(
-					'predicate'   => 'http://schema.org/postalCode',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'address',
-				),
-				self::FIELD_ADDRESS_LOCALITY    => array(
-					'predicate'   => 'http://schema.org/addressLocality',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'address',
-				),
-				self::FIELD_ADDRESS_REGION      => array(
-					'predicate'   => 'http://schema.org/addressRegion',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'address',
-				),
-				self::FIELD_ADDRESS_COUNTRY     => array(
-					'predicate'   => 'http://schema.org/addressCountry',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'address',
-				),
-				self::FIELD_EMAIL               => array(
-					'predicate'   => 'http://schema.org/email',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-				),
-				self::FIELD_TELEPHONE           => array(
-					'predicate'   => 'http://schema.org/telephone',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-				),
-			),
-			'linked_data'   => array(
-				// ### schema:legalName.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_LEGAL_NAME ),
-					'http://schema.org/legalName'
-				),
-				// ### schema:founder.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_FOUNDER ),
-					'http://schema.org/founder',
-					self::DATA_TYPE_URI
-				),
-				// ### schema:email.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_EMAIL ),
-					'http://schema.org/email'
-				),
-				// ### schema:telephone.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_TELEPHONE ),
-					'http://schema.org/telephone'
-				),
-			),
-			'templates'     => array(
-				'subtitle' => '{{id}}',
-			),
-		);
-
-		// Merge the custom fields with those provided by the thing schema.
-		$parent_schema           = $this->get_thing_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
-
-		return $schema;
-	}
-
-	/**
-	 * Get the 'person' schema.
-	 *
-	 * @return array An array with the schema configuration.
-	 *
-	 * @since 3.1.0
-	 */
-	private function get_person_schema() {
-
-		$schema = array(
-			'label'         => 'Person',
-			'description'   => 'A person (or a music artist).',
-			'parents'       => array( 'thing' ),
-			'css_class'     => 'wl-person',
-			'uri'           => 'http://schema.org/Person',
-			'same_as'       => array(
-				'http://rdf.freebase.com/ns/people.person',
-				'http://rdf.freebase.com/ns/music.artist',
-				'http://dbpedia.org/class/yago/LivingPeople',
-			),
-			'custom_fields' => array(
-				self::FIELD_KNOWS       => array(
-					'predicate'   => 'http://schema.org/knows',
-					'type'        => self::DATA_TYPE_URI,
-					'export_type' => 'http://schema.org/Person',
-					'constraints' => array(
-						'uri_type'    => 'Person',
-						'cardinality' => INF,
-					),
-				),
-				self::FIELD_BIRTH_DATE  => array(
-					'predicate'   => 'http://schema.org/birthDate',
-					'type'        => self::DATA_TYPE_DATE,
-					'export_type' => 'xsd:date',
-					'constraints' => '',
-				),
-				self::FIELD_BIRTH_PLACE => array(
-					'predicate'   => 'http://schema.org/birthPlace',
-					'type'        => self::DATA_TYPE_URI,
-					'export_type' => 'http://schema.org/Place',
-					'constraints' => array(
-						'uri_type' => 'Place',
-					),
-				),
-				self::FIELD_AFFILIATION => array(
-					'predicate'   => 'http://schema.org/affiliation',
-					'type'        => self::DATA_TYPE_URI,
-					'export_type' => 'http://schema.org/Organization',
-					'constraints' => array(
-						'uri_type'    => array(
-							'Organization',
-							'LocalBusiness',
-						),
-						'cardinality' => INF,
-					),
-				),
-				self::FIELD_EMAIL       => array(
-					'predicate'   => 'http://schema.org/email',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => array(
-						'cardinality' => INF,
-					),
-				),
-			),
-			'linked_data'   => array(
-				// ### schema:knows.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_KNOWS ),
-					'http://schema.org/knows',
-					self::DATA_TYPE_URI
-				),
-				// ### schema:birthDate.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_BIRTH_DATE ),
-					'http://schema.org/birthDate',
-					self::DATA_TYPE_DATE
-				),
-				// ### schema:birthPlace.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_BIRTH_PLACE ),
-					'http://schema.org/birthPlace',
-					self::DATA_TYPE_URI
-				),
-				// ### schema:affiliation.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_AFFILIATION ),
-					'http://schema.org/affiliation',
-					self::DATA_TYPE_URI
-				),
-				// ### schema:email.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_EMAIL ),
-					'http://schema.org/email'
-				),
-			),
-			'templates'     => array(
-				'subtitle' => '{{id}}',
-			),
-		);
-
-		// Merge the custom fields with those provided by the thing schema.
-		$parent_schema           = $this->get_thing_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
-
-		return $schema;
-
-	}
-
-	/**
-	 * Get the 'place' schema.
-	 *
-	 * @return array An array with the schema configuration.
-	 *
-	 * @since 3.1.0
-	 */
-	private function get_place_schema() {
-
-		$schema = array(
-			'label'         => 'Place',
-			'description'   => 'A place.',
-			'parents'       => array( 'thing' ),
-			'css_class'     => 'wl-place',
-			'uri'           => 'http://schema.org/Place',
-			'same_as'       => array(
-				'http://rdf.freebase.com/ns/location.location',
-				'http://www.opengis.net/gml/_Feature',
-			),
-			'custom_fields' => array(
-				self::FIELD_GEO_LATITUDE        => array(
-					'predicate'   => 'http://schema.org/latitude',
-					'type'        => self::DATA_TYPE_DOUBLE,
-					'export_type' => 'xsd:double',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'coordinates',
-				),
-				self::FIELD_GEO_LONGITUDE       => array(
-					'predicate'   => 'http://schema.org/longitude',
-					'type'        => self::DATA_TYPE_DOUBLE,
-					'export_type' => 'xsd:double',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'coordinates',
-				),
-				self::FIELD_ADDRESS             => array(
-					'predicate'   => 'http://schema.org/streetAddress',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'address',
-				),
-				self::FIELD_ADDRESS_PO_BOX      => array(
-					'predicate'   => 'http://schema.org/postOfficeBoxNumber',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'address',
-				),
-				self::FIELD_ADDRESS_POSTAL_CODE => array(
-					'predicate'   => 'http://schema.org/postalCode',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'address',
-				),
-				self::FIELD_ADDRESS_LOCALITY    => array(
-					'predicate'   => 'http://schema.org/addressLocality',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'address',
-				),
-				self::FIELD_ADDRESS_REGION      => array(
-					'predicate'   => 'http://schema.org/addressRegion',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'address',
-				),
-				self::FIELD_ADDRESS_COUNTRY     => array(
-					'predicate'   => 'http://schema.org/addressCountry',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					// To build custom metabox.
-					'input_field' => 'address',
-				),
-			),
-			'linked_data'   => array(
-				$this->rendition_factory->create_address(
-					$this->storage_factory,
-					$this->language_code
-				),
-			),
-			'templates'     => array(
-				'subtitle' => '{{id}}',
-			),
-		);
-
-		// Merge the custom fields with those provided by the thing schema.
-		$parent_schema           = $this->get_thing_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
-
-		return $schema;
-	}
-
-	/**
-	 * Get the 'local business' schema.
-	 *
-	 * @return array An array with the schema configuration.
-	 *
-	 * @since 3.1.0
-	 */
-	private function get_local_business_schema() {
-
-		$schema = array(
-			'label'         => 'LocalBusiness',
-			'description'   => 'A local business.',
-			'parents'       => array( 'place', 'organization' ),
-			'css_class'     => 'wl-local-business',
-			'uri'           => 'http://schema.org/LocalBusiness',
-			'same_as'       => array(
-				'http://rdf.freebase.com/ns/business/business_location',
-				'https://schema.org/Store',
-			),
-			'custom_fields' => array(),
-			'linked_data'   => array(),
-			'templates'     => array(
-				'subtitle' => '{{id}}',
-			),
-		);
-
-		// Merge the custom fields with those provided by the place and organization schema.
-		$place_schema            = $this->get_place_schema();
-		$organization_schema     = $this->get_organization_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $place_schema['custom_fields'], $organization_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $place_schema['linked_data'], $organization_schema['linked_data'] );
-
-		return $schema;
-	}
-
-	/**
-	 * Get the 'recipe' schema.
-	 *
-	 * @return array An array with the schema configuration.
-	 *
-	 * @since 3.14.0
-	 */
-	private function get_recipe_schema() {
-
-		$schema = array(
-			'label'         => 'Recipe',
-			'description'   => 'A Recipe.',
-			'parents'       => array( 'CreativeWork' ),
-			'css_class'     => 'wl-recipe',
-			'uri'           => 'http://schema.org/Recipe',
-			'same_as'       => array(),
-			'templates'     => array(
-				'subtitle' => '{{id}}',
-			),
-			'custom_fields' => array(
-				self::FIELD_RECIPE_CUISINE          => array(
-					'predicate'   => 'http://schema.org/recipeCuisine',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					'metabox'     => array(
-						'label' => __( 'Recipe cuisine', 'wordlift' ),
-					),
-				),
-				self::FIELD_RECIPE_INGREDIENT       => array(
-					'predicate'   => 'http://schema.org/recipeIngredient',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => array(
-						'cardinality' => INF,
-					),
-					'metabox'     => array(
-						'label' => __( 'Recipe ingredient', 'wordlift' ),
-					),
-				),
-				self::FIELD_RECIPE_INSTRUCTIONS     => array(
-					'predicate'   => 'http://schema.org/recipeInstructions',
-					'type'        => self::DATA_TYPE_MULTILINE,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					'metabox'     => array(
-						'class' => 'Wordlift_Metabox_Field_Multiline',
-						'label' => __( 'Recipe instructions', 'wordlift' ),
-					),
-				),
-				self::FIELD_RECIPE_YIELD            => array(
-					'predicate'   => 'http://schema.org/recipeYield',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					'metabox'     => array(
-						'label' => __( 'Recipe number of servings', 'wordlift' ),
-					),
-				),
-				self::FIELD_RECIPE_INGREDIENT       => array(
-					'predicate'   => 'http://schema.org/recipeIngredient',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => array(
-						'cardinality' => INF,
-					),
-					'metabox'     => array(
-						'label' => __( 'Recipe ingredient', 'wordlift' ),
-					),
-				),
-				self::FIELD_NUTRITION_INFO_CALORIES => array(
-					'predicate'   => 'http://schema.org/calories',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'constraints' => '',
-					'metabox'     => array(
-						'label' => __( 'Calories (e.g. 240 calories)', 'wordlift' ),
-					),
-				),
-				self::FIELD_PREP_TIME               => array(
-					'predicate'   => 'http://schema.org/prepTime',
-					'type'        => self::DATA_TYPE_DURATION,
-					'export_type' => 'xsd:time',
-					'constraints' => '',
-					'metabox'     => array(
-						'class' => 'Wordlift_Metabox_Field_Duration',
-						'label' => __( 'Recipe preparation time (e.g. 1:30)', 'wordlift' ),
-					),
-				),
-				self::FIELD_COOK_TIME               => array(
-					'predicate'   => 'http://schema.org/cookTime',
-					'type'        => self::DATA_TYPE_DURATION,
-					'export_type' => 'xsd:time',
-					'constraints' => '',
-					'metabox'     => array(
-						'class' => 'Wordlift_Metabox_Field_Duration',
-						'label' => __( 'Recipe cook time (e.g. 1:30)', 'wordlift' ),
-					),
-				),
-				self::FIELD_TOTAL_TIME              => array(
-					'predicate'   => 'http://schema.org/totalTime',
-					'type'        => self::DATA_TYPE_DURATION,
-					'export_type' => 'xsd:time',
-					'constraints' => '',
-					'metabox'     => array(
-						'class' => 'Wordlift_Metabox_Field_Duration',
-						'label' => __( 'Recipe total time (e.g. 1:30)', 'wordlift' ),
-					),
-				),
-			),
-			'linked_data'   => array(
-				// ### schema:recipeCuisine.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_RECIPE_CUISINE ),
-					'http://schema.org/recipeCuisine'
-				),
-				// ### schema:recipeIngredient.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_RECIPE_INGREDIENT ),
-					'http://schema.org/recipeIngredient'
-				),
-				// ### schema:recipeInstructions.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_RECIPE_INSTRUCTIONS ),
-					'http://schema.org/recipeInstructions'
-				),
-				// ### schema:recipeYield.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_RECIPE_YIELD ),
-					'http://schema.org/recipeYield'
-				),
-				// ### schema:prepTime.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_PREP_TIME ),
-					'http://schema.org/prepTime',
-					self::DATA_TYPE_DURATION
-				),
-				// ### schema:cookTime.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_COOK_TIME ),
-					'http://schema.org/cookTime',
-					self::DATA_TYPE_DURATION
-				),
-				// ### schema:totalTime.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_TOTAL_TIME ),
-					'http://schema.org/totalTime',
-					self::DATA_TYPE_DURATION
-				),
-			),
-		);
-
-		// Merge the custom fields with those provided by the parent schema.
-		$parent_schema           = $this->get_creative_work_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
-
-		return $schema;
-	}
-
-	/**
-	 * Get the 'offer' schema.
-	 *
-	 * @return array An array with the schema configuration.
-	 *
-	 * @since 3.18.0
-	 */
-	private function get_offer_schema() {
-
-		$schema = array(
-			'label'         => 'Offer',
-			'description'   => 'An offer. ',
-			'parents'       => array( 'thing' ),
-			'css_class'     => 'wl-offer',
-			'uri'           => self::SCHEMA_OFFER_TYPE,
-			'same_as'       => array(),
-			'templates'     => array(
-				'subtitle' => '{{id}}',
-			),
-			'custom_fields' => array(
-				self::FIELD_AVAILABILITY        => array(
-					'predicate'   => 'http://schema.org/availability',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-					'metabox'     => array(
-						'class' => 'Wordlift_Metabox_Field_Select',
-					),
-					'options'     => array(
-						'Discontinued'        => esc_html__( 'Discontinued', 'wordlift' ),
-						'InStock'             => esc_html__( 'In Stock', 'wordlift' ),
-						'InStoreOnly'         => esc_html__( 'In Store Only', 'wordlift' ),
-						'LimitedAvailability' => esc_html__( 'Limited Availability', 'wordlift' ),
-						'OnlineOnly'          => esc_html__( 'Online Only', 'wordlift' ),
-						'OutOfStock'          => esc_html__( 'Out of Stock', 'wordlift' ),
-						'PreOrder'            => esc_html__( 'Pre Order', 'wordlift' ),
-						'PreSale'             => esc_html__( 'Pre Sale', 'wordlift' ),
-						'SoldOut'             => esc_html__( 'Sold Out', 'wordlift' ),
-					),
-				),
-				self::FIELD_PRICE               => array(
-					'predicate'   => 'http://schema.org/price',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:integer',
-					'metabox'     => array(
-						'class' => 'Wordlift_Metabox_Field_Integer',
-					),
-				),
-				self::FIELD_PRICE_CURRENCY      => array(
-					'predicate'   => 'http://schema.org/priceCurrency',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:string',
-				),
-				self::FIELD_AVAILABILITY_STARTS => array(
-					'predicate'   => 'http://schema.org/availabilityStarts',
-					'type'        => self::DATA_TYPE_DATE,
-					'export_type' => 'xsd:dateTime',
-				),
-				self::FIELD_AVAILABILITY_ENDS   => array(
-					'predicate'   => 'http://schema.org/availabilityEnds',
-					'type'        => self::DATA_TYPE_DATE,
-					'export_type' => 'xsd:dateTime',
-				),
-				self::FIELD_INVENTORY_LEVEL     => array(
-					'predicate'   => 'http://schema.org/inventoryLevel',
-					'type'        => self::DATA_TYPE_STRING,
-					'export_type' => 'xsd:integer',
-					'metabox'     => array(
-						'class' => 'Wordlift_Metabox_Field_Integer',
-					),
-				),
-				self::FIELD_VALID_FROM          => array(
-					'predicate'   => 'http://schema.org/validFrom',
-					'type'        => self::DATA_TYPE_DATE,
-					'export_type' => 'xsd:dateTime',
-				),
-				self::FIELD_PRICE_VALID_UNTIL   => array(
-					'predicate'   => 'http://schema.org/priceValidUntil',
-					'type'        => self::DATA_TYPE_DATE,
-					'export_type' => 'xsd:dateTime',
-				),
-				self::FIELD_ITEM_OFFERED        => array(
-					'predicate'   => 'http://schema.org/itemOffered',
-					'type'        => self::DATA_TYPE_URI,
-					'export_type' => 'http://schema.org/Thing',
-					'constraints' => array(
-						'uri_type'    => array(
-							'Event',
-							'Thing',
-						),
-						'cardinality' => INF,
-					),
-				),
-			),
-			'linked_data'   => array(
-				// ### schema:availability.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_AVAILABILITY ),
-					'http://schema.org/availability',
-					null
-				),
-				// ### schema:availabilityStarts.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_AVAILABILITY_STARTS ),
-					'http://schema.org/availabilityStarts',
-					self::DATA_TYPE_DATE_TIME
-				),
-				// ### schema:availabilityEnds.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_AVAILABILITY_ENDS ),
-					'http://schema.org/availabilityEnds',
-					self::DATA_TYPE_DATE_TIME
-				),
-				// ### schema:inventoryLevel.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_INVENTORY_LEVEL ),
-					'http://schema.org/inventoryLevel',
-					self::DATA_TYPE_INTEGER
-				),
-				// ### schema:price.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_PRICE ),
-					'http://schema.org/price',
-					self::DATA_TYPE_INTEGER
-				),
-				// ### schema:priceCurrency.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_PRICE_CURRENCY ),
-					'http://schema.org/priceCurrency',
-					null
-				),
-				// ### schema:validFrom.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_VALID_FROM ),
-					'http://schema.org/validFrom',
-					null
-				),
-				// ### schema:priceValidUntil.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_PRICE_VALID_UNTIL ),
-					'http://schema.org/priceValidUntil',
-					null
-				),
-				// ### schema:itemOffered.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_ITEM_OFFERED ),
-					'http://schema.org/itemOffered',
-					self::DATA_TYPE_URI
-				),
-			),
-		);
-
-		// Merge the custom fields with those provided by the thing schema.
-		$parent_schema           = $this->get_thing_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
-
-		return $schema;
-	}
-
-	/**
-	 * Get the 'article' schema.
-	 *
-	 * @return array An array with the schema configuration.
-	 *
-	 * @since 3.15.0
-	 */
-	private function get_article_schema() {
-
-		$schema = array(
-			'label'         => 'Article',
-			'description'   => 'An Article.',
-			'parents'       => array(),
-			'css_class'     => 'wl-article',
-			'uri'           => 'http://schema.org/Article',
-			'same_as'       => array(),
-			'templates'     => array(
-				'subtitle' => '{{id}}',
-			),
-			'custom_fields' => array(),
-			'linked_data'   => array(
-				// ### schema:headline.
-				$this->rendition_factory->create(
-					$this->storage_factory->post_title(),
-					'http://schema.org/headline',
-					null,
-					$this->language_code
-				),
-				// ### schema:url.
-				$this->rendition_factory->create(
-					$this->storage_factory->url_property(),
-					Wordlift_Query_Builder::SCHEMA_URL_URI,
-					self::DATA_TYPE_URI
-				),
-				// ### rdf:type.
-				$this->rendition_factory->create(
-					$this->storage_factory->schema_class(),
-					Wordlift_Query_Builder::RDFS_TYPE_URI,
-					self::DATA_TYPE_URI
-				),
-				// ### dcterms:references.
-				$this->rendition_factory->create(
-					$this->storage_factory->relations(),
-					Wordlift_Query_Builder::DCTERMS_REFERENCES_URI,
-					self::DATA_TYPE_URI,
-					$this->language_code
-				),
-			),
-		);
-
-		return $schema;
-	}
+    /**
+     * The 'location created' field name.
+     *
+     * @since 3.5.0
+     */
+    const FIELD_LOCATION_CREATED = 'wl_location_created';
+
+    /**
+     * The 'topic' field name.
+     *
+     * @since 3.5.0
+     */
+    const FIELD_TOPIC = 'wl_topic';
+
+    /**
+     * The 'author' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_AUTHOR = 'wl_author';
+
+    /**
+     * The 'same as' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_SAME_AS = 'entity_same_as';
+
+    /**
+     * The 'date start' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_DATE_START = 'wl_cal_date_start';
+
+    /**
+     * The 'date end' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_DATE_END = 'wl_cal_date_end';
+
+    /**
+     * The 'location' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_LOCATION = 'wl_location';
+
+    /**
+     * The 'founder' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_FOUNDER = 'wl_founder';
+
+    /**
+     * The 'knows' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_KNOWS = 'wl_knows';
+
+    /**
+     * The 'birth date' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_BIRTH_DATE = 'wl_birth_date';
+
+    /**
+     * The 'birth place' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_BIRTH_PLACE = 'wl_birth_place';
+
+    /**
+     * The 'latitude' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_GEO_LATITUDE = 'wl_geo_latitude';
+
+    /**
+     * The 'longitude' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_GEO_LONGITUDE = 'wl_geo_longitude';
+
+    /**
+     * The 'streetAddress' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_ADDRESS = 'wl_address';
+
+    /**
+     * The 'postOfficeBoxNumber' field name.
+     *
+     * @since 3.3.0
+     */
+    const FIELD_ADDRESS_PO_BOX = 'wl_address_post_office_box';
+
+    /**
+     * The 'postalCode' field name.
+     *
+     * @since 3.3.0
+     */
+    const FIELD_ADDRESS_POSTAL_CODE = 'wl_address_postal_code';
+
+    /**
+     * The 'addressLocality' field name.
+     *
+     * @since 3.3.0
+     */
+    const FIELD_ADDRESS_LOCALITY = 'wl_address_locality';
+    /**
+     * The 'addressRegion' field name.
+     *
+     * @since 3.3.0
+     */
+    const FIELD_ADDRESS_REGION = 'wl_address_region';
+
+    /**
+     * The 'addressCountry' field name.
+     *
+     * @since 3.3.0
+     */
+    const FIELD_ADDRESS_COUNTRY = 'wl_address_country';
+
+    /**
+     * The 'entity type' field name.
+     *
+     * @since 3.1.0
+     */
+    const FIELD_ENTITY_TYPE = 'wl_entity_type_uri';
+
+    /**
+     * The 'email' field name.
+     *
+     * @since 3.2.0
+     */
+    const FIELD_EMAIL = 'wl_email';
+
+    /**
+     * The 'affiliation' field name.
+     *
+     * @since 3.2.0
+     */
+    const FIELD_AFFILIATION = 'wl_affiliation';
+
+    /**
+     * The 'telephone' field name.
+     *
+     * @since 3.8.0
+     */
+    const FIELD_TELEPHONE = 'wl_schema_telephone';
+
+    /**
+     * The 'legalName' field name.
+     *
+     * @since 3.12.0
+     */
+    const FIELD_LEGAL_NAME = 'wl_schema_legal_name';
+
+    /**
+     * The 'recipeCuisine' field name.
+     *
+     * @since 3.14.0
+     */
+    const FIELD_RECIPE_CUISINE = 'wl_schema_recipe_cuisine';
+
+    /**
+     * The 'recipeIngredient' field name.
+     *
+     * @since 3.14.0
+     */
+    const FIELD_RECIPE_INGREDIENT = 'wl_schema_recipe_ingredient';
+
+    /**
+     * The 'calories' field name.
+     *
+     * @since 3.14.0
+     */
+    const FIELD_NUTRITION_INFO_CALORIES = 'wl_schema_nutrition_information_calories';
+
+    /**
+     * The 'recipeInstructions' field name.
+     *
+     * @since 3.14.0
+     */
+    const FIELD_RECIPE_INSTRUCTIONS = 'wl_schema_recipe_instructions';
+
+    /**
+     * The 'recipeYield' field name.
+     *
+     * @since 3.14.0
+     */
+    const FIELD_RECIPE_YIELD = 'wl_schema_recipe_yield';
+
+    /**
+     * The 'prepTime' field name.
+     *
+     * @since 3.14.0
+     */
+    const FIELD_PREP_TIME = 'wl_schema_prep_time';
+
+    /**
+     * The 'cookTime' field name.
+     *
+     * @since 3.14.0
+     */
+    const FIELD_COOK_TIME = 'wl_schema_cook_time';
+
+    /**
+     * The 'totalTime' field name.
+     *
+     * @since 3.14.0
+     */
+    const FIELD_TOTAL_TIME = 'wl_schema_total_time';
+
+    /**
+     * The 'performer' field name.
+     *
+     * @since 3.18.0
+     */
+    const FIELD_PERFORMER = 'wl_schema_performer';
+
+    /**
+     * The 'offers' field name.
+     *
+     * @since 3.18.0
+     */
+    const FIELD_OFFERS = 'wl_schema_offers';
+
+    /**
+     * The 'availablity' field name.
+     *
+     * @since 3.18.0
+     */
+    const FIELD_AVAILABILITY = 'wl_schema_availability';
+
+    /**
+     * The 'inventoryLevel' field name.
+     *
+     * @since 3.18.0
+     */
+    const FIELD_INVENTORY_LEVEL = 'wl_schema_inventory_level';
+
+    /**
+     * The 'price' field name.
+     *
+     * @since 3.18.0
+     */
+    const FIELD_PRICE = 'wl_schema_price';
+
+    /**
+     * The 'priceCurrency' field name.
+     *
+     * @since 3.18.0
+     */
+    const FIELD_PRICE_CURRENCY = 'wl_schema_price_currency';
+
+    /**
+     * The 'availabilityStarts' field name.
+     *
+     * @since 3.18.0
+     */
+    const FIELD_AVAILABILITY_STARTS = 'wl_schema_availability_starts';
+
+    /**
+     * The 'availabilityEnds' field name.
+     *
+     * @since 3.18.0
+     */
+    const FIELD_AVAILABILITY_ENDS = 'wl_schema_availability_ends';
+
+    /**
+     * The 'validFrom' field name.
+     *
+     * @since 3.18.0
+     */
+    const FIELD_VALID_FROM = 'wl_schema_valid_from';
+
+    /**
+     * The 'priceValidUntil' field name.
+     *
+     * @since 3.18.0
+     */
+    const FIELD_PRICE_VALID_UNTIL = 'wl_schema_valid_until';
+
+    /**
+     * The 'itemOffered' field name.
+     *
+     * @since 3.18.0
+     */
+    const FIELD_ITEM_OFFERED = 'wl_schema_item_offered';
+
+    /**
+     * The 'URI' data type name.
+     *
+     * @since 3.1.0
+     */
+    const DATA_TYPE_URI = 'uri';
+
+    /**
+     * The 'date' data type name.
+     *
+     * @since 3.1.0
+     */
+    const DATA_TYPE_DATE = 'date';
+
+    /**
+     * The 'dateTime' data type name.
+     *
+     * @since 3.15.0
+     */
+    const DATA_TYPE_DATE_TIME = 'dateTime';
+
+    /**
+     * The 'time' data type name.
+     *
+     * @since 3.14.0
+     */
+    const DATA_TYPE_DURATION = 'duration';
+
+    /**
+     * The 'double' data type name.
+     *
+     * @since 3.1.0
+     */
+    const DATA_TYPE_DOUBLE = 'double';
+
+    /**
+     * The 'string' data type name.
+     *
+     * @since 3.1.0
+     */
+    const DATA_TYPE_STRING = 'string';
+
+    /**
+     * The multiline text data type name.
+     *
+     * @since 3.14.0
+     */
+    const DATA_TYPE_MULTILINE = 'multiline';
+
+    /**
+     * The 'integer' data type name.
+     *
+     * @since 3.1.0
+     */
+    const DATA_TYPE_INTEGER = 'int';
+
+    /**
+     * The 'boolean' data type name.
+     *
+     * @since 3.1.0
+     */
+    const DATA_TYPE_BOOLEAN = 'bool';
+
+    /**
+     * The schema.org Event type URI.
+     *
+     * @since 3.1.0
+     */
+    const SCHEMA_EVENT_TYPE = 'http://schema.org/Event';
+
+    /**
+     * The schema.org Offer type URI.
+     *
+     * @since 3.18.0
+     */
+    const SCHEMA_OFFER_TYPE = 'http://schema.org/Offer';
+
+    /**
+     * The Schema service singleton instance.
+     *
+     * @since  3.1.0
+     * @access private
+     * @var \Wordlift_Schema_Service $instance The Schema service singleton instance.
+     */
+    private static $instance;
+
+    /**
+     * WordLift's schema.
+     *
+     * @since  3.1.0
+     * @access private
+     * @var array $schema WordLift's schema.
+     */
+    private $schema;
+
+    /**
+     * The Log service.
+     *
+     * @since  3.1.0
+     * @access private
+     * @var \Wordlift_Log_Service $log The Log service.
+     */
+    private $log;
+
+    /**
+     * The {@link Wordlift_Post_Property_Storage_Factory} instance.
+     *
+     * @since  3.15.0
+     * @access private
+     * @var \Wordlift_Storage_Factory $storage_factory The {@link Wordlift_Post_Property_Storage_Factory} instance.
+     */
+    private $storage_factory;
+
+    /**
+     * The {@link Wordlift_Sparql_Tuple_Rendition_Factory} instance.
+     *
+     * @since  3.15.0
+     * @access private
+     * @var \Wordlift_Sparql_Tuple_Rendition_Factory $rendition_factory The {@link Wordlift_Sparql_Tuple_Rendition_Factory} instance.
+     */
+    private $rendition_factory;
+
+    /**
+     * The {@link Wordlift_Configuration_Service} instance.
+     *
+     * @since  3.15.0
+     * @access private
+     * @var \Wordlift_Configuration_Service $configuration_service The {@link Wordlift_Configuration_Service} instance.
+     */
+    private $configuration_service;
+
+    /**
+     * The web site configured language code.
+     *
+     * @since  3.15.0
+     * @access private
+     * @var string $language_code The web site configured language code.
+     */
+    private $language_code;
+
+    /**
+     * Wordlift_Schema_Service constructor.
+     *
+     * @since 3.1.0
+     *
+     * @param \Wordlift_Storage_Factory                $storage_factory The {@link Wordlift_Post_Property_Storage_Factory} instance.
+     * @param \Wordlift_Sparql_Tuple_Rendition_Factory $rendition_factory The {@link Wordlift_Sparql_Tuple_Rendition_Factory} instance.
+     * @param \Wordlift_Configuration_Service          $configuration_service The {@link Wordlift_Configuration_Service} instance.
+     */
+    public function __construct( $storage_factory, $rendition_factory, $configuration_service ) {
+
+        $this->log = Wordlift_Log_Service::get_logger( 'Wordlift_Schema_Service' );
+
+        $this->storage_factory       = $storage_factory;
+        $this->rendition_factory     = $rendition_factory;
+        $this->configuration_service = $configuration_service;
+        $this->language_code         = $this->configuration_service->get_language_code();
+
+        $schemas = array(
+            'article'        => $this->get_article_schema(),
+            'thing'          => $this->get_thing_schema(),
+            'creative-work'  => $this->get_creative_work_schema(),
+            'event'          => $this->get_event_schema(),
+            'organization'   => $this->get_organization_schema(),
+            'person'         => $this->get_person_schema(),
+            'place'          => $this->get_place_schema(),
+            'local-business' => $this->get_local_business_schema(),
+            'recipe'         => $this->get_recipe_schema(),
+            'web-page'       => $this->get_web_page_schema(),
+            'offer'          => $this->get_offer_schema(),
+        );
+
+        // Set the taxonomy data.
+        // Note: parent types must be defined before child types.
+        /**
+         * Alter the configured schemas.
+         *
+         * Enable 3rd parties to alter WordLift's schemas array.
+         *
+         * @since  3.19.1
+         *
+         * @param    array $schemas The array of schemas.
+         */
+        $this->schema = apply_filters( 'wl_schemas', $schemas );
+
+        // Create a singleton instance of the Schema service, useful to provide static functions to global functions.
+        self::$instance = $this;
+
+        // Hook the `init` to allow plugins to add their schemas.
+        add_action( 'init', array( $this, 'init' ) );
+
+    }
+
+    /**
+     * Hook to the `init`, allow late binding plugins to add their schema.
+     *
+     * @since 3.19.2
+     */
+    public function init() {
+
+        $this->schema = apply_filters( 'wl_schemas_init', $this->schema );
+
+    }
+
+    /**
+     * Get a reference to the Schema service.
+     *
+     * @since 3.1.0
+     *
+     * @return Wordlift_Schema_Service A reference to the Schema service.
+     */
+    public static function get_instance() {
+
+        return self::$instance;
+    }
+
+    /**
+     * Get the properties for a field with the specified key. The key is used as
+     * meta key when the field's value is stored in WordPress meta data table.
+     *
+     * @since 3.6.0
+     *
+     * @param string $key The field's key.
+     *
+     * @return null|array An array of field's properties or null if the field is not found.
+     */
+    public function get_field( $key ) {
+
+        // Parse each schema's fields until we find the one we're looking for, then
+        // return its properties.
+        foreach ( $this->schema as $_ => $schema ) {
+
+            if ( ! isset( $schema['custom_fields'] ) ) {
+                break;
+            }
+
+            foreach ( $schema['custom_fields'] as $field => $props ) {
+                if ( $key === $field ) {
+                    return $props;
+                }
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Get all renditions for each WordLift's schema.
+     *
+     * @since 3.18.0
+     *
+     * @return array An array with the schema renditions.
+     */
+    public function get_renditions() {
+        // Get the custom fields.
+        $renditions = array_reduce(
+            $this->schema,
+            function ( $carry, $item ) {
+                return array_merge( $carry, $item['linked_data'] );
+            },
+            array()
+        );
+
+        // Return the schemas.
+        return $renditions;
+    }
+
+    /**
+     * Get the WordLift's schema.
+     *
+     * @param string $name The schema name.
+     *
+     * @return array|null An array with the schema configuration or NULL if the schema is not found.
+     *
+     * @since 3.1.0
+     */
+    public function get_schema( $name ) {
+        // Check if the schema exists and, if not, return NULL.
+        if ( ! isset( $this->schema[ $name ] ) ) {
+            return null;
+        }
+
+        // Return the requested schema.
+        return $this->schema[ $name ];
+    }
+
+    /**
+     * Get the WordLift's schema trough schema type uri.
+     *
+     * @param string $uri The schema uri.
+     *
+     * @return array|null An array with the schema configuration or NULL if the schema is not found.
+     *
+     * @since 3.3.0
+     */
+    public function get_schema_by_uri( $uri ) {
+
+        foreach ( $this->schema as $name => $schema ) {
+            if ( $schema['uri'] === $uri ) {
+                return $schema;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Get the 'thing' schema.
+     *
+     * @return array An array with the schema configuration.
+     *
+     * @since 3.1.0
+     */
+    private function get_thing_schema() {
+
+        return array(
+            'css_class'     => 'wl-thing',
+            'uri'           => 'http://schema.org/Thing',
+            'same_as'       => array( '*' ),
+            // set as default.
+            'custom_fields' => array(
+                self::FIELD_SAME_AS                            => array(
+                    'predicate'   => 'http://schema.org/sameAs',
+                    'type'        => self::DATA_TYPE_URI,
+                    'export_type' => 'http://schema.org/Thing',
+                    'constraints' => array(
+                        'cardinality' => INF,
+                    ),
+                    // We need a custom metabox.
+                    'input_field' => 'sameas',
+                ),
+                // Add the schema:url property.
+                Wordlift_Schema_Url_Property_Service::META_KEY => Wordlift_Schema_Url_Property_Service::get_instance()
+                                                                                                        ->get_compat_definition(),
+            ),
+            // {{sameAs}} not present in the microdata template,
+            // because it is treated separately in *wl_content_embed_item_microdata*
+            'templates'     => array(
+                'subtitle' => '{{id}}',
+            ),
+            'linked_data'   => array(
+                // ### Title to rdfs:label.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_title(),
+                    Wordlift_Query_Builder::RDFS_LABEL_URI,
+                    null,
+                    $this->language_code
+                ),
+                // ### Title to dct:title.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_title(),
+                    'http://purl.org/dc/terms/title',
+                    null,
+                    $this->language_code
+                ),
+                // ### Alternative title to rdfs:label.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( Wordlift_Entity_Service::ALTERNATIVE_LABEL_META_KEY ),
+                    Wordlift_Query_Builder::RDFS_LABEL_URI,
+                    null,
+                    $this->language_code
+                ),
+                // ### Alternative title to dct:title.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( Wordlift_Entity_Service::ALTERNATIVE_LABEL_META_KEY ),
+                    'http://purl.org/dc/terms/title',
+                    null,
+                    $this->language_code
+                ),
+                // ### Title to schema:name.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_title(),
+                    'http://schema.org/name',
+                    null,
+                    $this->language_code
+                ),
+                // ### Alternative title to schema:alterName.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( Wordlift_Entity_Service::ALTERNATIVE_LABEL_META_KEY ),
+                    'http://schema.org/alternateName',
+                    null,
+                    $this->language_code
+                ),
+                // ### schema:url.
+                $this->rendition_factory->create(
+                    $this->storage_factory->url_property(),
+                    Wordlift_Query_Builder::SCHEMA_URL_URI,
+                    self::DATA_TYPE_URI
+                ),
+                // ### schema:description.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_description_no_tags_no_shortcodes(),
+                    'http://schema.org/description',
+                    null,
+                    $this->language_code
+                ),
+                // ### owl:sameAs.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_SAME_AS ),
+                    'http://www.w3.org/2002/07/owl#sameAs',
+                    self::DATA_TYPE_URI
+                ),
+                // ### schema:sameAs.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_SAME_AS ),
+                    'http://schema.org/sameAs',
+                    self::DATA_TYPE_URI
+                ),
+                // ### rdf:type.
+                $this->rendition_factory->create(
+                    $this->storage_factory->schema_class(),
+                    Wordlift_Query_Builder::RDFS_TYPE_URI,
+                    self::DATA_TYPE_URI
+                ),
+                // ### schema:image.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_images(),
+                    Wordlift_Query_Builder::SCHEMA_IMAGE_URI,
+                    self::DATA_TYPE_URI
+                ),
+                // ### dct:relation.
+                $this->rendition_factory->create(
+                    $this->storage_factory->relations(),
+                    Wordlift_Query_Builder::DCTERMS_RELATION_URI,
+                    self::DATA_TYPE_URI
+                ),
+            ),
+        );
+
+    }
+
+    /**
+     * Get the 'web-page' schema.
+     *
+     * @return array An array with the schema configuration.
+     *
+     * @since 3.18.0
+     */
+    private function get_web_page_schema() {
+
+        return array(
+            'css_class'   => 'wl-webpage',
+            'uri'         => 'http://schema.org/WebPage',
+            'linked_data' => array(
+                // ### schema:headline.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_title(),
+                    'http://schema.org/headline',
+                    null,
+                    $this->language_code
+                ),
+                // ### schema:url.
+                $this->rendition_factory->create(
+                    $this->storage_factory->url_property(),
+                    Wordlift_Query_Builder::SCHEMA_URL_URI,
+                    self::DATA_TYPE_URI
+                ),
+                // ### rdf:type.
+                $this->rendition_factory->create(
+                    $this->storage_factory->schema_class(),
+                    Wordlift_Query_Builder::RDFS_TYPE_URI,
+                    self::DATA_TYPE_URI
+                ),
+                // ### dcterms:references.
+                $this->rendition_factory->create(
+                    $this->storage_factory->relations(),
+                    Wordlift_Query_Builder::DCTERMS_REFERENCES_URI,
+                    self::DATA_TYPE_URI,
+                    $this->language_code
+                ),
+            ),
+        );
+
+    }
+
+    /**
+     * Get the 'creative work' schema.
+     *
+     * @return array An array with the schema configuration.
+     *
+     * @since 3.1.0
+     */
+    private function get_creative_work_schema() {
+
+        $schema = array(
+            'label'         => 'CreativeWork',
+            'description'   => 'A creative work (or a Music Album).',
+            'parents'       => array( 'thing' ),
+            // Give term slug as parent.
+            'css_class'     => 'wl-creative-work',
+            'uri'           => 'http://schema.org/CreativeWork',
+            'same_as'       => array(
+                'http://schema.org/MusicAlbum',
+                'http://schema.org/Product',
+            ),
+            'custom_fields' => array(
+                self::FIELD_AUTHOR => array(
+                    'predicate'   => 'http://schema.org/author',
+                    'type'        => self::DATA_TYPE_URI,
+                    'export_type' => 'http://schema.org/Person',
+                    'constraints' => array(
+                        'uri_type'    => array( 'Person', 'Organization' ),
+                        'cardinality' => INF,
+                    ),
+                ),
+            ),
+            'linked_data'   => array(
+                // ### schema:author.
+                $this->rendition_factory->create(
+                    $this->storage_factory->author_uri(),
+                    Wordlift_Query_Builder::SCHEMA_AUTHOR_URI,
+                    self::DATA_TYPE_URI
+                ),
+            ),
+            'templates'     => array(
+                'subtitle' => '{{id}}',
+            ),
+        );
+
+        // Merge the custom fields with those provided by the thing schema.
+        $parent_schema           = $this->get_thing_schema();
+        $schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
+        $schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+
+        return $schema;
+    }
+
+    /**
+     * Get the 'event' schema.
+     *
+     * @return array An array with the schema configuration.
+     *
+     * @since 3.1.0
+     */
+    private function get_event_schema() {
+
+        $schema = array(
+            'label'         => 'Event',
+            'description'   => 'An event . ',
+            'parents'       => array( 'thing' ),
+            'css_class'     => 'wl-event',
+            'uri'           => self::SCHEMA_EVENT_TYPE,
+            'same_as'       => array( 'http://dbpedia.org/ontology/Event' ),
+            'custom_fields' => array(
+                self::FIELD_DATE_START => array(
+                    'predicate'   => 'http://schema.org/startDate',
+                    'type'        => self::DATA_TYPE_DATE,
+                    'export_type' => 'xsd:dateTime',
+                    'constraints' => '',
+                ),
+                self::FIELD_DATE_END   => array(
+                    'predicate'   => 'http://schema.org/endDate',
+                    'type'        => self::DATA_TYPE_DATE,
+                    'export_type' => 'xsd:dateTime',
+                    'constraints' => '',
+                ),
+                self::FIELD_LOCATION   => array(
+                    'predicate'   => 'http://schema.org/location',
+                    'type'        => self::DATA_TYPE_URI,
+                    'export_type' => 'http://schema.org/PostalAddress',
+                    'constraints' => array(
+                        'uri_type'    => array( 'Place', 'LocalBusiness' ),
+                        'cardinality' => INF,
+                    ),
+                ),
+                self::FIELD_PERFORMER  => array(
+                    'predicate'   => 'http://schema.org/performer',
+                    'type'        => self::DATA_TYPE_URI,
+                    'export_type' => 'http://schema.org/Person',
+                    'constraints' => array(
+                        'uri_type'    => array( 'Person', 'Organization' ),
+                        'cardinality' => INF,
+                    ),
+                ),
+                self::FIELD_OFFERS     => array(
+                    'predicate'   => 'http://schema.org/offers',
+                    'type'        => self::DATA_TYPE_URI,
+                    'export_type' => 'http://schema.org/Offer',
+                    'constraints' => array(
+                        'uri_type'    => array( 'Offer' ),
+                        'cardinality' => INF,
+                    ),
+                ),
+            ),
+            'linked_data'   => array(
+                // ### schema:startDate.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_DATE_START ),
+                    'http://schema.org/startDate',
+                    self::DATA_TYPE_DATE_TIME
+                ),
+                // ### schema:endDate.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_DATE_END ),
+                    'http://schema.org/endDate',
+                    self::DATA_TYPE_DATE_TIME
+                ),
+                // ### schema:location.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta_to_uri( self::FIELD_LOCATION ),
+                    'http://schema.org/location',
+                    self::DATA_TYPE_URI
+                ),
+                // ### schema:performer.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta_to_uri( self::FIELD_PERFORMER ),
+                    'http://schema.org/performer',
+                    self::DATA_TYPE_URI
+                ),
+                // ### schema:offers.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta_to_uri( self::FIELD_OFFERS ),
+                    'http://schema.org/offers',
+                    self::DATA_TYPE_URI
+                ),
+            ),
+            'templates'     => array(
+                'subtitle' => '{{id}}',
+            ),
+        );
+
+        // Merge the custom fields with those provided by the thing schema.
+        $parent_schema           = $this->get_thing_schema();
+        $schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
+        $schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+
+        return $schema;
+    }
+
+    /**
+     * Get the 'organization' schema.
+     *
+     * @return array An array with the schema configuration.
+     *
+     * @since 3.1.0
+     */
+    private function get_organization_schema() {
+
+        $schema = array(
+            'label'         => 'Organization',
+            'description'   => 'An organization, including a government or a newspaper.',
+            'parents'       => array( 'thing' ),
+            'css_class'     => 'wl-organization',
+            'uri'           => 'http://schema.org/Organization',
+            'same_as'       => array(
+                'http://rdf.freebase.com/ns/organization.organization',
+                'http://rdf.freebase.com/ns/government.government',
+                'http://schema.org/Newspaper',
+            ),
+            'custom_fields' => array(
+                self::FIELD_LEGAL_NAME          => array(
+                    'predicate'   => 'http://schema.org/legalName',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                ),
+                self::FIELD_FOUNDER             => array(
+                    'predicate'   => 'http://schema.org/founder',
+                    'type'        => self::DATA_TYPE_URI,
+                    'export_type' => 'http://schema.org/Person',
+                    'constraints' => array(
+                        'uri_type'    => 'Person',
+                        'cardinality' => INF,
+                    ),
+                ),
+                self::FIELD_ADDRESS             => array(
+                    'predicate'   => 'http://schema.org/streetAddress',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'address',
+                ),
+                self::FIELD_ADDRESS_PO_BOX      => array(
+                    'predicate'   => 'http://schema.org/postOfficeBoxNumber',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'address',
+                ),
+                self::FIELD_ADDRESS_POSTAL_CODE => array(
+                    'predicate'   => 'http://schema.org/postalCode',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'address',
+                ),
+                self::FIELD_ADDRESS_LOCALITY    => array(
+                    'predicate'   => 'http://schema.org/addressLocality',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'address',
+                ),
+                self::FIELD_ADDRESS_REGION      => array(
+                    'predicate'   => 'http://schema.org/addressRegion',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'address',
+                ),
+                self::FIELD_ADDRESS_COUNTRY     => array(
+                    'predicate'   => 'http://schema.org/addressCountry',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'address',
+                ),
+                self::FIELD_EMAIL               => array(
+                    'predicate'   => 'http://schema.org/email',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                ),
+                self::FIELD_TELEPHONE           => array(
+                    'predicate'   => 'http://schema.org/telephone',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                ),
+            ),
+            'linked_data'   => array(
+                // ### schema:legalName.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_LEGAL_NAME ),
+                    'http://schema.org/legalName'
+                ),
+                // ### schema:founder.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta_to_uri( self::FIELD_FOUNDER ),
+                    'http://schema.org/founder',
+                    self::DATA_TYPE_URI
+                ),
+                // ### schema:email.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_EMAIL ),
+                    'http://schema.org/email'
+                ),
+                // ### schema:telephone.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_TELEPHONE ),
+                    'http://schema.org/telephone'
+                ),
+            ),
+            'templates'     => array(
+                'subtitle' => '{{id}}',
+            ),
+        );
+
+        // Merge the custom fields with those provided by the thing schema.
+        $parent_schema           = $this->get_thing_schema();
+        $schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
+        $schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+
+        return $schema;
+    }
+
+    /**
+     * Get the 'person' schema.
+     *
+     * @return array An array with the schema configuration.
+     *
+     * @since 3.1.0
+     */
+    private function get_person_schema() {
+
+        $schema = array(
+            'label'         => 'Person',
+            'description'   => 'A person (or a music artist).',
+            'parents'       => array( 'thing' ),
+            'css_class'     => 'wl-person',
+            'uri'           => 'http://schema.org/Person',
+            'same_as'       => array(
+                'http://rdf.freebase.com/ns/people.person',
+                'http://rdf.freebase.com/ns/music.artist',
+                'http://dbpedia.org/class/yago/LivingPeople',
+            ),
+            'custom_fields' => array(
+                self::FIELD_KNOWS       => array(
+                    'predicate'   => 'http://schema.org/knows',
+                    'type'        => self::DATA_TYPE_URI,
+                    'export_type' => 'http://schema.org/Person',
+                    'constraints' => array(
+                        'uri_type'    => 'Person',
+                        'cardinality' => INF,
+                    ),
+                ),
+                self::FIELD_BIRTH_DATE  => array(
+                    'predicate'   => 'http://schema.org/birthDate',
+                    'type'        => self::DATA_TYPE_DATE,
+                    'export_type' => 'xsd:date',
+                    'constraints' => '',
+                ),
+                self::FIELD_BIRTH_PLACE => array(
+                    'predicate'   => 'http://schema.org/birthPlace',
+                    'type'        => self::DATA_TYPE_URI,
+                    'export_type' => 'http://schema.org/Place',
+                    'constraints' => array(
+                        'uri_type' => 'Place',
+                    ),
+                ),
+                self::FIELD_AFFILIATION => array(
+                    'predicate'   => 'http://schema.org/affiliation',
+                    'type'        => self::DATA_TYPE_URI,
+                    'export_type' => 'http://schema.org/Organization',
+                    'constraints' => array(
+                        'uri_type'    => array(
+                            'Organization',
+                            'LocalBusiness',
+                        ),
+                        'cardinality' => INF,
+                    ),
+                ),
+                self::FIELD_EMAIL       => array(
+                    'predicate'   => 'http://schema.org/email',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => array(
+                        'cardinality' => INF,
+                    ),
+                ),
+            ),
+            'linked_data'   => array(
+                // ### schema:knows.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta_to_uri( self::FIELD_KNOWS ),
+                    'http://schema.org/knows',
+                    self::DATA_TYPE_URI
+                ),
+                // ### schema:birthDate.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_BIRTH_DATE ),
+                    'http://schema.org/birthDate',
+                    self::DATA_TYPE_DATE
+                ),
+                // ### schema:birthPlace.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta_to_uri( self::FIELD_BIRTH_PLACE ),
+                    'http://schema.org/birthPlace',
+                    self::DATA_TYPE_URI
+                ),
+                // ### schema:affiliation.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta_to_uri( self::FIELD_AFFILIATION ),
+                    'http://schema.org/affiliation',
+                    self::DATA_TYPE_URI
+                ),
+                // ### schema:email.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_EMAIL ),
+                    'http://schema.org/email'
+                ),
+            ),
+            'templates'     => array(
+                'subtitle' => '{{id}}',
+            ),
+        );
+
+        // Merge the custom fields with those provided by the thing schema.
+        $parent_schema           = $this->get_thing_schema();
+        $schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
+        $schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+
+        return $schema;
+
+    }
+
+    /**
+     * Get the 'place' schema.
+     *
+     * @return array An array with the schema configuration.
+     *
+     * @since 3.1.0
+     */
+    private function get_place_schema() {
+
+        $schema = array(
+            'label'         => 'Place',
+            'description'   => 'A place.',
+            'parents'       => array( 'thing' ),
+            'css_class'     => 'wl-place',
+            'uri'           => 'http://schema.org/Place',
+            'same_as'       => array(
+                'http://rdf.freebase.com/ns/location.location',
+                'http://www.opengis.net/gml/_Feature',
+            ),
+            'custom_fields' => array(
+                self::FIELD_GEO_LATITUDE        => array(
+                    'predicate'   => 'http://schema.org/latitude',
+                    'type'        => self::DATA_TYPE_DOUBLE,
+                    'export_type' => 'xsd:double',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'coordinates',
+                ),
+                self::FIELD_GEO_LONGITUDE       => array(
+                    'predicate'   => 'http://schema.org/longitude',
+                    'type'        => self::DATA_TYPE_DOUBLE,
+                    'export_type' => 'xsd:double',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'coordinates',
+                ),
+                self::FIELD_ADDRESS             => array(
+                    'predicate'   => 'http://schema.org/streetAddress',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'address',
+                ),
+                self::FIELD_ADDRESS_PO_BOX      => array(
+                    'predicate'   => 'http://schema.org/postOfficeBoxNumber',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'address',
+                ),
+                self::FIELD_ADDRESS_POSTAL_CODE => array(
+                    'predicate'   => 'http://schema.org/postalCode',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'address',
+                ),
+                self::FIELD_ADDRESS_LOCALITY    => array(
+                    'predicate'   => 'http://schema.org/addressLocality',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'address',
+                ),
+                self::FIELD_ADDRESS_REGION      => array(
+                    'predicate'   => 'http://schema.org/addressRegion',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'address',
+                ),
+                self::FIELD_ADDRESS_COUNTRY     => array(
+                    'predicate'   => 'http://schema.org/addressCountry',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    // To build custom metabox.
+                    'input_field' => 'address',
+                ),
+            ),
+            'linked_data'   => array(
+                $this->rendition_factory->create_address(
+                    $this->storage_factory,
+                    $this->language_code
+                ),
+            ),
+            'templates'     => array(
+                'subtitle' => '{{id}}',
+            ),
+        );
+
+        // Merge the custom fields with those provided by the thing schema.
+        $parent_schema           = $this->get_thing_schema();
+        $schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
+        $schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+
+        return $schema;
+    }
+
+    /**
+     * Get the 'local business' schema.
+     *
+     * @return array An array with the schema configuration.
+     *
+     * @since 3.1.0
+     */
+    private function get_local_business_schema() {
+
+        $schema = array(
+            'label'         => 'LocalBusiness',
+            'description'   => 'A local business.',
+            'parents'       => array( 'place', 'organization' ),
+            'css_class'     => 'wl-local-business',
+            'uri'           => 'http://schema.org/LocalBusiness',
+            'same_as'       => array(
+                'http://rdf.freebase.com/ns/business/business_location',
+                'https://schema.org/Store',
+            ),
+            'custom_fields' => array(),
+            'linked_data'   => array(),
+            'templates'     => array(
+                'subtitle' => '{{id}}',
+            ),
+        );
+
+        // Merge the custom fields with those provided by the place and organization schema.
+        $place_schema            = $this->get_place_schema();
+        $organization_schema     = $this->get_organization_schema();
+        $schema['custom_fields'] = array_merge( $schema['custom_fields'], $place_schema['custom_fields'], $organization_schema['custom_fields'] );
+        $schema['linked_data']   = array_merge( $schema['linked_data'], $place_schema['linked_data'], $organization_schema['linked_data'] );
+
+        return $schema;
+    }
+
+    /**
+     * Get the 'recipe' schema.
+     *
+     * @return array An array with the schema configuration.
+     *
+     * @since 3.14.0
+     */
+    private function get_recipe_schema() {
+
+        $schema = array(
+            'label'         => 'Recipe',
+            'description'   => 'A Recipe.',
+            'parents'       => array( 'CreativeWork' ),
+            'css_class'     => 'wl-recipe',
+            'uri'           => 'http://schema.org/Recipe',
+            'same_as'       => array(),
+            'templates'     => array(
+                'subtitle' => '{{id}}',
+            ),
+            'custom_fields' => array(
+                self::FIELD_RECIPE_CUISINE          => array(
+                    'predicate'   => 'http://schema.org/recipeCuisine',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    'metabox'     => array(
+                        'label' => __( 'Recipe cuisine', 'wordlift' ),
+                    ),
+                ),
+                self::FIELD_RECIPE_INGREDIENT       => array(
+                    'predicate'   => 'http://schema.org/recipeIngredient',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => array(
+                        'cardinality' => INF,
+                    ),
+                    'metabox'     => array(
+                        'label' => __( 'Recipe ingredient', 'wordlift' ),
+                    ),
+                ),
+                self::FIELD_RECIPE_INSTRUCTIONS     => array(
+                    'predicate'   => 'http://schema.org/recipeInstructions',
+                    'type'        => self::DATA_TYPE_MULTILINE,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    'metabox'     => array(
+                        'class' => 'Wordlift_Metabox_Field_Multiline',
+                        'label' => __( 'Recipe instructions', 'wordlift' ),
+                    ),
+                ),
+                self::FIELD_RECIPE_YIELD            => array(
+                    'predicate'   => 'http://schema.org/recipeYield',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    'metabox'     => array(
+                        'label' => __( 'Recipe number of servings', 'wordlift' ),
+                    ),
+                ),
+                self::FIELD_RECIPE_INGREDIENT       => array(
+                    'predicate'   => 'http://schema.org/recipeIngredient',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => array(
+                        'cardinality' => INF,
+                    ),
+                    'metabox'     => array(
+                        'label' => __( 'Recipe ingredient', 'wordlift' ),
+                    ),
+                ),
+                self::FIELD_NUTRITION_INFO_CALORIES => array(
+                    'predicate'   => 'http://schema.org/calories',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'constraints' => '',
+                    'metabox'     => array(
+                        'label' => __( 'Calories (e.g. 240 calories)', 'wordlift' ),
+                    ),
+                ),
+                self::FIELD_PREP_TIME               => array(
+                    'predicate'   => 'http://schema.org/prepTime',
+                    'type'        => self::DATA_TYPE_DURATION,
+                    'export_type' => 'xsd:time',
+                    'constraints' => '',
+                    'metabox'     => array(
+                        'class' => 'Wordlift_Metabox_Field_Duration',
+                        'label' => __( 'Recipe preparation time (e.g. 1:30)', 'wordlift' ),
+                    ),
+                ),
+                self::FIELD_COOK_TIME               => array(
+                    'predicate'   => 'http://schema.org/cookTime',
+                    'type'        => self::DATA_TYPE_DURATION,
+                    'export_type' => 'xsd:time',
+                    'constraints' => '',
+                    'metabox'     => array(
+                        'class' => 'Wordlift_Metabox_Field_Duration',
+                        'label' => __( 'Recipe cook time (e.g. 1:30)', 'wordlift' ),
+                    ),
+                ),
+                self::FIELD_TOTAL_TIME              => array(
+                    'predicate'   => 'http://schema.org/totalTime',
+                    'type'        => self::DATA_TYPE_DURATION,
+                    'export_type' => 'xsd:time',
+                    'constraints' => '',
+                    'metabox'     => array(
+                        'class' => 'Wordlift_Metabox_Field_Duration',
+                        'label' => __( 'Recipe total time (e.g. 1:30)', 'wordlift' ),
+                    ),
+                ),
+            ),
+            'linked_data'   => array(
+                // ### schema:recipeCuisine.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_RECIPE_CUISINE ),
+                    'http://schema.org/recipeCuisine'
+                ),
+                // ### schema:recipeIngredient.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_RECIPE_INGREDIENT ),
+                    'http://schema.org/recipeIngredient'
+                ),
+                // ### schema:recipeInstructions.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_RECIPE_INSTRUCTIONS ),
+                    'http://schema.org/recipeInstructions'
+                ),
+                // ### schema:recipeYield.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_RECIPE_YIELD ),
+                    'http://schema.org/recipeYield'
+                ),
+                // ### schema:prepTime.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_PREP_TIME ),
+                    'http://schema.org/prepTime',
+                    self::DATA_TYPE_DURATION
+                ),
+                // ### schema:cookTime.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_COOK_TIME ),
+                    'http://schema.org/cookTime',
+                    self::DATA_TYPE_DURATION
+                ),
+                // ### schema:totalTime.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_TOTAL_TIME ),
+                    'http://schema.org/totalTime',
+                    self::DATA_TYPE_DURATION
+                ),
+            ),
+        );
+
+        // Merge the custom fields with those provided by the parent schema.
+        $parent_schema           = $this->get_creative_work_schema();
+        $schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
+        $schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+
+        return $schema;
+    }
+
+    /**
+     * Get the 'offer' schema.
+     *
+     * @return array An array with the schema configuration.
+     *
+     * @since 3.18.0
+     */
+    private function get_offer_schema() {
+
+        $schema = array(
+            'label'         => 'Offer',
+            'description'   => 'An offer. ',
+            'parents'       => array( 'thing' ),
+            'css_class'     => 'wl-offer',
+            'uri'           => self::SCHEMA_OFFER_TYPE,
+            'same_as'       => array(),
+            'templates'     => array(
+                'subtitle' => '{{id}}',
+            ),
+            'custom_fields' => array(
+                self::FIELD_AVAILABILITY        => array(
+                    'predicate'   => 'http://schema.org/availability',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                    'metabox'     => array(
+                        'class' => 'Wordlift_Metabox_Field_Select',
+                    ),
+                    'options'     => array(
+                        'Discontinued'        => esc_html__( 'Discontinued', 'wordlift' ),
+                        'InStock'             => esc_html__( 'In Stock', 'wordlift' ),
+                        'InStoreOnly'         => esc_html__( 'In Store Only', 'wordlift' ),
+                        'LimitedAvailability' => esc_html__( 'Limited Availability', 'wordlift' ),
+                        'OnlineOnly'          => esc_html__( 'Online Only', 'wordlift' ),
+                        'OutOfStock'          => esc_html__( 'Out of Stock', 'wordlift' ),
+                        'PreOrder'            => esc_html__( 'Pre Order', 'wordlift' ),
+                        'PreSale'             => esc_html__( 'Pre Sale', 'wordlift' ),
+                        'SoldOut'             => esc_html__( 'Sold Out', 'wordlift' ),
+                    ),
+                ),
+                self::FIELD_PRICE               => array(
+                    'predicate'   => 'http://schema.org/price',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:integer',
+                    'metabox'     => array(
+                        'class' => 'Wordlift_Metabox_Field_Integer',
+                    ),
+                ),
+                self::FIELD_PRICE_CURRENCY      => array(
+                    'predicate'   => 'http://schema.org/priceCurrency',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:string',
+                ),
+                self::FIELD_AVAILABILITY_STARTS => array(
+                    'predicate'   => 'http://schema.org/availabilityStarts',
+                    'type'        => self::DATA_TYPE_DATE,
+                    'export_type' => 'xsd:dateTime',
+                ),
+                self::FIELD_AVAILABILITY_ENDS   => array(
+                    'predicate'   => 'http://schema.org/availabilityEnds',
+                    'type'        => self::DATA_TYPE_DATE,
+                    'export_type' => 'xsd:dateTime',
+                ),
+                self::FIELD_INVENTORY_LEVEL     => array(
+                    'predicate'   => 'http://schema.org/inventoryLevel',
+                    'type'        => self::DATA_TYPE_STRING,
+                    'export_type' => 'xsd:integer',
+                    'metabox'     => array(
+                        'class' => 'Wordlift_Metabox_Field_Integer',
+                    ),
+                ),
+                self::FIELD_VALID_FROM          => array(
+                    'predicate'   => 'http://schema.org/validFrom',
+                    'type'        => self::DATA_TYPE_DATE,
+                    'export_type' => 'xsd:dateTime',
+                ),
+                self::FIELD_PRICE_VALID_UNTIL   => array(
+                    'predicate'   => 'http://schema.org/priceValidUntil',
+                    'type'        => self::DATA_TYPE_DATE,
+                    'export_type' => 'xsd:dateTime',
+                ),
+                self::FIELD_ITEM_OFFERED        => array(
+                    'predicate'   => 'http://schema.org/itemOffered',
+                    'type'        => self::DATA_TYPE_URI,
+                    'export_type' => 'http://schema.org/Thing',
+                    'constraints' => array(
+                        'uri_type'    => array(
+                            'Event',
+                            'Thing',
+                        ),
+                        'cardinality' => INF,
+                    ),
+                ),
+            ),
+            'linked_data'   => array(
+                // ### schema:availability.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_AVAILABILITY ),
+                    'http://schema.org/availability',
+                    null
+                ),
+                // ### schema:availabilityStarts.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_AVAILABILITY_STARTS ),
+                    'http://schema.org/availabilityStarts',
+                    self::DATA_TYPE_DATE_TIME
+                ),
+                // ### schema:availabilityEnds.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_AVAILABILITY_ENDS ),
+                    'http://schema.org/availabilityEnds',
+                    self::DATA_TYPE_DATE_TIME
+                ),
+                // ### schema:inventoryLevel.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_INVENTORY_LEVEL ),
+                    'http://schema.org/inventoryLevel',
+                    self::DATA_TYPE_INTEGER
+                ),
+                // ### schema:price.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_PRICE ),
+                    'http://schema.org/price',
+                    self::DATA_TYPE_INTEGER
+                ),
+                // ### schema:priceCurrency.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_PRICE_CURRENCY ),
+                    'http://schema.org/priceCurrency',
+                    null
+                ),
+                // ### schema:validFrom.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_VALID_FROM ),
+                    'http://schema.org/validFrom',
+                    null
+                ),
+                // ### schema:priceValidUntil.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta( self::FIELD_PRICE_VALID_UNTIL ),
+                    'http://schema.org/priceValidUntil',
+                    null
+                ),
+                // ### schema:itemOffered.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_meta_to_uri( self::FIELD_ITEM_OFFERED ),
+                    'http://schema.org/itemOffered',
+                    self::DATA_TYPE_URI
+                ),
+            ),
+        );
+
+        // Merge the custom fields with those provided by the thing schema.
+        $parent_schema           = $this->get_thing_schema();
+        $schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
+        $schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+
+        return $schema;
+    }
+
+    /**
+     * Get the 'article' schema.
+     *
+     * @return array An array with the schema configuration.
+     *
+     * @since 3.15.0
+     */
+    private function get_article_schema() {
+
+        $schema = array(
+            'label'         => 'Article',
+            'description'   => 'An Article.',
+            'parents'       => array(),
+            'css_class'     => 'wl-article',
+            'uri'           => 'http://schema.org/Article',
+            'same_as'       => array(),
+            'templates'     => array(
+                'subtitle' => '{{id}}',
+            ),
+            'custom_fields' => array(),
+            'linked_data'   => array(
+                // ### schema:headline.
+                $this->rendition_factory->create(
+                    $this->storage_factory->post_title(),
+                    'http://schema.org/headline',
+                    null,
+                    $this->language_code
+                ),
+                // ### schema:url.
+                $this->rendition_factory->create(
+                    $this->storage_factory->url_property(),
+                    Wordlift_Query_Builder::SCHEMA_URL_URI,
+                    self::DATA_TYPE_URI
+                ),
+                // ### rdf:type.
+                $this->rendition_factory->create(
+                    $this->storage_factory->schema_class(),
+                    Wordlift_Query_Builder::RDFS_TYPE_URI,
+                    self::DATA_TYPE_URI
+                ),
+                // ### dcterms:references.
+                $this->rendition_factory->create(
+                    $this->storage_factory->relations(),
+                    Wordlift_Query_Builder::DCTERMS_REFERENCES_URI,
+                    self::DATA_TYPE_URI,
+                    $this->language_code
+                ),
+            ),
+        );
+
+        return $schema;
+    }
 
 }

Spacing +101 added lines, -101 removed lines

@@ -467,9 +467,9 @@ 
 	 * @param \Wordlift_Sparql_Tuple_Rendition_Factory $rendition_factory The {@link Wordlift_Sparql_Tuple_Rendition_Factory} instance.
 	 * @param \Wordlift_Configuration_Service          $configuration_service The {@link Wordlift_Configuration_Service} instance.
 	 */
-	public function __construct( $storage_factory, $rendition_factory, $configuration_service ) {
+	public function __construct($storage_factory, $rendition_factory, $configuration_service) {
 
-		$this->log = Wordlift_Log_Service::get_logger( 'Wordlift_Schema_Service' );
+		$this->log = Wordlift_Log_Service::get_logger('Wordlift_Schema_Service');
 
 		$this->storage_factory       = $storage_factory;
 		$this->rendition_factory     = $rendition_factory;
@@ -501,13 +501,13 @@ 
 		 *
 		 * @param    array $schemas The array of schemas.
 		 */
-		$this->schema = apply_filters( 'wl_schemas', $schemas );
+		$this->schema = apply_filters('wl_schemas', $schemas);
 
 		// Create a singleton instance of the Schema service, useful to provide static functions to global functions.
 		self::$instance = $this;
 
 		// Hook the `init` to allow plugins to add their schemas.
-		add_action( 'init', array( $this, 'init' ) );
+		add_action('init', array($this, 'init'));
 
 	}
 
@@ -518,7 +518,7 @@ 
 	 */
 	public function init() {
 
-		$this->schema = apply_filters( 'wl_schemas_init', $this->schema );
+		$this->schema = apply_filters('wl_schemas_init', $this->schema);
 
 	}
 
@@ -544,18 +544,18 @@ 
 	 *
 	 * @return null|array An array of field's properties or null if the field is not found.
 	 */
-	public function get_field( $key ) {
+	public function get_field($key) {
 
 		// Parse each schema's fields until we find the one we're looking for, then
 		// return its properties.
-		foreach ( $this->schema as $_ => $schema ) {
+		foreach ($this->schema as $_ => $schema) {
 
-			if ( ! isset( $schema['custom_fields'] ) ) {
+			if ( ! isset($schema['custom_fields'])) {
 				break;
 			}
 
-			foreach ( $schema['custom_fields'] as $field => $props ) {
-				if ( $key === $field ) {
+			foreach ($schema['custom_fields'] as $field => $props) {
+				if ($key === $field) {
 					return $props;
 				}
 			}
@@ -575,8 +575,8 @@ 
 		// Get the custom fields.
 		$renditions = array_reduce(
 			$this->schema,
-			function ( $carry, $item ) {
-				return array_merge( $carry, $item['linked_data'] );
+			function($carry, $item) {
+				return array_merge($carry, $item['linked_data']);
 			},
 			array()
 		);
@@ -594,14 +594,14 @@ 
 	 *
 	 * @since 3.1.0
 	 */
-	public function get_schema( $name ) {
+	public function get_schema($name) {
 		// Check if the schema exists and, if not, return NULL.
-		if ( ! isset( $this->schema[ $name ] ) ) {
+		if ( ! isset($this->schema[$name])) {
 			return null;
 		}
 
 		// Return the requested schema.
-		return $this->schema[ $name ];
+		return $this->schema[$name];
 	}
 
 	/**
@@ -613,10 +613,10 @@ 
 	 *
 	 * @since 3.3.0
 	 */
-	public function get_schema_by_uri( $uri ) {
+	public function get_schema_by_uri($uri) {
 
-		foreach ( $this->schema as $name => $schema ) {
-			if ( $schema['uri'] === $uri ) {
+		foreach ($this->schema as $name => $schema) {
+			if ($schema['uri'] === $uri) {
 				return $schema;
 			}
 		}
@@ -636,7 +636,7 @@ 
 		return array(
 			'css_class'     => 'wl-thing',
 			'uri'           => 'http://schema.org/Thing',
-			'same_as'       => array( '*' ),
+			'same_as'       => array('*'),
 			// set as default.
 			'custom_fields' => array(
 				self::FIELD_SAME_AS                            => array(
@@ -675,14 +675,14 @@ 
 				),
 				// ### Alternative title to rdfs:label.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( Wordlift_Entity_Service::ALTERNATIVE_LABEL_META_KEY ),
+					$this->storage_factory->post_meta(Wordlift_Entity_Service::ALTERNATIVE_LABEL_META_KEY),
 					Wordlift_Query_Builder::RDFS_LABEL_URI,
 					null,
 					$this->language_code
 				),
 				// ### Alternative title to dct:title.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( Wordlift_Entity_Service::ALTERNATIVE_LABEL_META_KEY ),
+					$this->storage_factory->post_meta(Wordlift_Entity_Service::ALTERNATIVE_LABEL_META_KEY),
 					'http://purl.org/dc/terms/title',
 					null,
 					$this->language_code
@@ -696,7 +696,7 @@ 
 				),
 				// ### Alternative title to schema:alterName.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( Wordlift_Entity_Service::ALTERNATIVE_LABEL_META_KEY ),
+					$this->storage_factory->post_meta(Wordlift_Entity_Service::ALTERNATIVE_LABEL_META_KEY),
 					'http://schema.org/alternateName',
 					null,
 					$this->language_code
@@ -716,13 +716,13 @@ 
 				),
 				// ### owl:sameAs.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_SAME_AS ),
+					$this->storage_factory->post_meta(self::FIELD_SAME_AS),
 					'http://www.w3.org/2002/07/owl#sameAs',
 					self::DATA_TYPE_URI
 				),
 				// ### schema:sameAs.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_SAME_AS ),
+					$this->storage_factory->post_meta(self::FIELD_SAME_AS),
 					'http://schema.org/sameAs',
 					self::DATA_TYPE_URI
 				),
@@ -805,7 +805,7 @@ 
 		$schema = array(
 			'label'         => 'CreativeWork',
 			'description'   => 'A creative work (or a Music Album).',
-			'parents'       => array( 'thing' ),
+			'parents'       => array('thing'),
 			// Give term slug as parent.
 			'css_class'     => 'wl-creative-work',
 			'uri'           => 'http://schema.org/CreativeWork',
@@ -819,7 +819,7 @@ 
 					'type'        => self::DATA_TYPE_URI,
 					'export_type' => 'http://schema.org/Person',
 					'constraints' => array(
-						'uri_type'    => array( 'Person', 'Organization' ),
+						'uri_type'    => array('Person', 'Organization'),
 						'cardinality' => INF,
 					),
 				),
@@ -839,8 +839,8 @@ 
 
 		// Merge the custom fields with those provided by the thing schema.
 		$parent_schema           = $this->get_thing_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+		$schema['custom_fields'] = array_merge($schema['custom_fields'], $parent_schema['custom_fields']);
+		$schema['linked_data']   = array_merge($schema['linked_data'], $parent_schema['linked_data']);
 
 		return $schema;
 	}
@@ -857,10 +857,10 @@ 
 		$schema = array(
 			'label'         => 'Event',
 			'description'   => 'An event . ',
-			'parents'       => array( 'thing' ),
+			'parents'       => array('thing'),
 			'css_class'     => 'wl-event',
 			'uri'           => self::SCHEMA_EVENT_TYPE,
-			'same_as'       => array( 'http://dbpedia.org/ontology/Event' ),
+			'same_as'       => array('http://dbpedia.org/ontology/Event'),
 			'custom_fields' => array(
 				self::FIELD_DATE_START => array(
 					'predicate'   => 'http://schema.org/startDate',
@@ -879,7 +879,7 @@ 
 					'type'        => self::DATA_TYPE_URI,
 					'export_type' => 'http://schema.org/PostalAddress',
 					'constraints' => array(
-						'uri_type'    => array( 'Place', 'LocalBusiness' ),
+						'uri_type'    => array('Place', 'LocalBusiness'),
 						'cardinality' => INF,
 					),
 				),
@@ -888,7 +888,7 @@ 
 					'type'        => self::DATA_TYPE_URI,
 					'export_type' => 'http://schema.org/Person',
 					'constraints' => array(
-						'uri_type'    => array( 'Person', 'Organization' ),
+						'uri_type'    => array('Person', 'Organization'),
 						'cardinality' => INF,
 					),
 				),
@@ -897,7 +897,7 @@ 
 					'type'        => self::DATA_TYPE_URI,
 					'export_type' => 'http://schema.org/Offer',
 					'constraints' => array(
-						'uri_type'    => array( 'Offer' ),
+						'uri_type'    => array('Offer'),
 						'cardinality' => INF,
 					),
 				),
@@ -905,31 +905,31 @@ 
 			'linked_data'   => array(
 				// ### schema:startDate.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_DATE_START ),
+					$this->storage_factory->post_meta(self::FIELD_DATE_START),
 					'http://schema.org/startDate',
 					self::DATA_TYPE_DATE_TIME
 				),
 				// ### schema:endDate.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_DATE_END ),
+					$this->storage_factory->post_meta(self::FIELD_DATE_END),
 					'http://schema.org/endDate',
 					self::DATA_TYPE_DATE_TIME
 				),
 				// ### schema:location.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_LOCATION ),
+					$this->storage_factory->post_meta_to_uri(self::FIELD_LOCATION),
 					'http://schema.org/location',
 					self::DATA_TYPE_URI
 				),
 				// ### schema:performer.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_PERFORMER ),
+					$this->storage_factory->post_meta_to_uri(self::FIELD_PERFORMER),
 					'http://schema.org/performer',
 					self::DATA_TYPE_URI
 				),
 				// ### schema:offers.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_OFFERS ),
+					$this->storage_factory->post_meta_to_uri(self::FIELD_OFFERS),
 					'http://schema.org/offers',
 					self::DATA_TYPE_URI
 				),
@@ -941,8 +941,8 @@ 
 
 		// Merge the custom fields with those provided by the thing schema.
 		$parent_schema           = $this->get_thing_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+		$schema['custom_fields'] = array_merge($schema['custom_fields'], $parent_schema['custom_fields']);
+		$schema['linked_data']   = array_merge($schema['linked_data'], $parent_schema['linked_data']);
 
 		return $schema;
 	}
@@ -959,7 +959,7 @@ 
 		$schema = array(
 			'label'         => 'Organization',
 			'description'   => 'An organization, including a government or a newspaper.',
-			'parents'       => array( 'thing' ),
+			'parents'       => array('thing'),
 			'css_class'     => 'wl-organization',
 			'uri'           => 'http://schema.org/Organization',
 			'same_as'       => array(
@@ -1047,23 +1047,23 @@ 
 			'linked_data'   => array(
 				// ### schema:legalName.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_LEGAL_NAME ),
+					$this->storage_factory->post_meta(self::FIELD_LEGAL_NAME),
 					'http://schema.org/legalName'
 				),
 				// ### schema:founder.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_FOUNDER ),
+					$this->storage_factory->post_meta_to_uri(self::FIELD_FOUNDER),
 					'http://schema.org/founder',
 					self::DATA_TYPE_URI
 				),
 				// ### schema:email.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_EMAIL ),
+					$this->storage_factory->post_meta(self::FIELD_EMAIL),
 					'http://schema.org/email'
 				),
 				// ### schema:telephone.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_TELEPHONE ),
+					$this->storage_factory->post_meta(self::FIELD_TELEPHONE),
 					'http://schema.org/telephone'
 				),
 			),
@@ -1074,8 +1074,8 @@ 
 
 		// Merge the custom fields with those provided by the thing schema.
 		$parent_schema           = $this->get_thing_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+		$schema['custom_fields'] = array_merge($schema['custom_fields'], $parent_schema['custom_fields']);
+		$schema['linked_data']   = array_merge($schema['linked_data'], $parent_schema['linked_data']);
 
 		return $schema;
 	}
@@ -1092,7 +1092,7 @@ 
 		$schema = array(
 			'label'         => 'Person',
 			'description'   => 'A person (or a music artist).',
-			'parents'       => array( 'thing' ),
+			'parents'       => array('thing'),
 			'css_class'     => 'wl-person',
 			'uri'           => 'http://schema.org/Person',
 			'same_as'       => array(
@@ -1148,31 +1148,31 @@ 
 			'linked_data'   => array(
 				// ### schema:knows.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_KNOWS ),
+					$this->storage_factory->post_meta_to_uri(self::FIELD_KNOWS),
 					'http://schema.org/knows',
 					self::DATA_TYPE_URI
 				),
 				// ### schema:birthDate.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_BIRTH_DATE ),
+					$this->storage_factory->post_meta(self::FIELD_BIRTH_DATE),
 					'http://schema.org/birthDate',
 					self::DATA_TYPE_DATE
 				),
 				// ### schema:birthPlace.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_BIRTH_PLACE ),
+					$this->storage_factory->post_meta_to_uri(self::FIELD_BIRTH_PLACE),
 					'http://schema.org/birthPlace',
 					self::DATA_TYPE_URI
 				),
 				// ### schema:affiliation.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_AFFILIATION ),
+					$this->storage_factory->post_meta_to_uri(self::FIELD_AFFILIATION),
 					'http://schema.org/affiliation',
 					self::DATA_TYPE_URI
 				),
 				// ### schema:email.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_EMAIL ),
+					$this->storage_factory->post_meta(self::FIELD_EMAIL),
 					'http://schema.org/email'
 				),
 			),
@@ -1183,8 +1183,8 @@ 
 
 		// Merge the custom fields with those provided by the thing schema.
 		$parent_schema           = $this->get_thing_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+		$schema['custom_fields'] = array_merge($schema['custom_fields'], $parent_schema['custom_fields']);
+		$schema['linked_data']   = array_merge($schema['linked_data'], $parent_schema['linked_data']);
 
 		return $schema;
 
@@ -1202,7 +1202,7 @@ 
 		$schema = array(
 			'label'         => 'Place',
 			'description'   => 'A place.',
-			'parents'       => array( 'thing' ),
+			'parents'       => array('thing'),
 			'css_class'     => 'wl-place',
 			'uri'           => 'http://schema.org/Place',
 			'same_as'       => array(
@@ -1288,8 +1288,8 @@ 
 
 		// Merge the custom fields with those provided by the thing schema.
 		$parent_schema           = $this->get_thing_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+		$schema['custom_fields'] = array_merge($schema['custom_fields'], $parent_schema['custom_fields']);
+		$schema['linked_data']   = array_merge($schema['linked_data'], $parent_schema['linked_data']);
 
 		return $schema;
 	}
@@ -1306,7 +1306,7 @@ 
 		$schema = array(
 			'label'         => 'LocalBusiness',
 			'description'   => 'A local business.',
-			'parents'       => array( 'place', 'organization' ),
+			'parents'       => array('place', 'organization'),
 			'css_class'     => 'wl-local-business',
 			'uri'           => 'http://schema.org/LocalBusiness',
 			'same_as'       => array(
@@ -1323,8 +1323,8 @@ 
 		// Merge the custom fields with those provided by the place and organization schema.
 		$place_schema            = $this->get_place_schema();
 		$organization_schema     = $this->get_organization_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $place_schema['custom_fields'], $organization_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $place_schema['linked_data'], $organization_schema['linked_data'] );
+		$schema['custom_fields'] = array_merge($schema['custom_fields'], $place_schema['custom_fields'], $organization_schema['custom_fields']);
+		$schema['linked_data']   = array_merge($schema['linked_data'], $place_schema['linked_data'], $organization_schema['linked_data']);
 
 		return $schema;
 	}
@@ -1341,7 +1341,7 @@ 
 		$schema = array(
 			'label'         => 'Recipe',
 			'description'   => 'A Recipe.',
-			'parents'       => array( 'CreativeWork' ),
+			'parents'       => array('CreativeWork'),
 			'css_class'     => 'wl-recipe',
 			'uri'           => 'http://schema.org/Recipe',
 			'same_as'       => array(),
@@ -1355,7 +1355,7 @@ 
 					'export_type' => 'xsd:string',
 					'constraints' => '',
 					'metabox'     => array(
-						'label' => __( 'Recipe cuisine', 'wordlift' ),
+						'label' => __('Recipe cuisine', 'wordlift'),
 					),
 				),
 				self::FIELD_RECIPE_INGREDIENT       => array(
@@ -1366,7 +1366,7 @@ 
 						'cardinality' => INF,
 					),
 					'metabox'     => array(
-						'label' => __( 'Recipe ingredient', 'wordlift' ),
+						'label' => __('Recipe ingredient', 'wordlift'),
 					),
 				),
 				self::FIELD_RECIPE_INSTRUCTIONS     => array(
@@ -1376,7 +1376,7 @@ 
 					'constraints' => '',
 					'metabox'     => array(
 						'class' => 'Wordlift_Metabox_Field_Multiline',
-						'label' => __( 'Recipe instructions', 'wordlift' ),
+						'label' => __('Recipe instructions', 'wordlift'),
 					),
 				),
 				self::FIELD_RECIPE_YIELD            => array(
@@ -1385,7 +1385,7 @@ 
 					'export_type' => 'xsd:string',
 					'constraints' => '',
 					'metabox'     => array(
-						'label' => __( 'Recipe number of servings', 'wordlift' ),
+						'label' => __('Recipe number of servings', 'wordlift'),
 					),
 				),
 				self::FIELD_RECIPE_INGREDIENT       => array(
@@ -1396,7 +1396,7 @@ 
 						'cardinality' => INF,
 					),
 					'metabox'     => array(
-						'label' => __( 'Recipe ingredient', 'wordlift' ),
+						'label' => __('Recipe ingredient', 'wordlift'),
 					),
 				),
 				self::FIELD_NUTRITION_INFO_CALORIES => array(
@@ -1405,7 +1405,7 @@ 
 					'export_type' => 'xsd:string',
 					'constraints' => '',
 					'metabox'     => array(
-						'label' => __( 'Calories (e.g. 240 calories)', 'wordlift' ),
+						'label' => __('Calories (e.g. 240 calories)', 'wordlift'),
 					),
 				),
 				self::FIELD_PREP_TIME               => array(
@@ -1415,7 +1415,7 @@ 
 					'constraints' => '',
 					'metabox'     => array(
 						'class' => 'Wordlift_Metabox_Field_Duration',
-						'label' => __( 'Recipe preparation time (e.g. 1:30)', 'wordlift' ),
+						'label' => __('Recipe preparation time (e.g. 1:30)', 'wordlift'),
 					),
 				),
 				self::FIELD_COOK_TIME               => array(
@@ -1425,7 +1425,7 @@ 
 					'constraints' => '',
 					'metabox'     => array(
 						'class' => 'Wordlift_Metabox_Field_Duration',
-						'label' => __( 'Recipe cook time (e.g. 1:30)', 'wordlift' ),
+						'label' => __('Recipe cook time (e.g. 1:30)', 'wordlift'),
 					),
 				),
 				self::FIELD_TOTAL_TIME              => array(
@@ -1435,46 +1435,46 @@ 
 					'constraints' => '',
 					'metabox'     => array(
 						'class' => 'Wordlift_Metabox_Field_Duration',
-						'label' => __( 'Recipe total time (e.g. 1:30)', 'wordlift' ),
+						'label' => __('Recipe total time (e.g. 1:30)', 'wordlift'),
 					),
 				),
 			),
 			'linked_data'   => array(
 				// ### schema:recipeCuisine.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_RECIPE_CUISINE ),
+					$this->storage_factory->post_meta(self::FIELD_RECIPE_CUISINE),
 					'http://schema.org/recipeCuisine'
 				),
 				// ### schema:recipeIngredient.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_RECIPE_INGREDIENT ),
+					$this->storage_factory->post_meta(self::FIELD_RECIPE_INGREDIENT),
 					'http://schema.org/recipeIngredient'
 				),
 				// ### schema:recipeInstructions.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_RECIPE_INSTRUCTIONS ),
+					$this->storage_factory->post_meta(self::FIELD_RECIPE_INSTRUCTIONS),
 					'http://schema.org/recipeInstructions'
 				),
 				// ### schema:recipeYield.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_RECIPE_YIELD ),
+					$this->storage_factory->post_meta(self::FIELD_RECIPE_YIELD),
 					'http://schema.org/recipeYield'
 				),
 				// ### schema:prepTime.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_PREP_TIME ),
+					$this->storage_factory->post_meta(self::FIELD_PREP_TIME),
 					'http://schema.org/prepTime',
 					self::DATA_TYPE_DURATION
 				),
 				// ### schema:cookTime.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_COOK_TIME ),
+					$this->storage_factory->post_meta(self::FIELD_COOK_TIME),
 					'http://schema.org/cookTime',
 					self::DATA_TYPE_DURATION
 				),
 				// ### schema:totalTime.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_TOTAL_TIME ),
+					$this->storage_factory->post_meta(self::FIELD_TOTAL_TIME),
 					'http://schema.org/totalTime',
 					self::DATA_TYPE_DURATION
 				),
@@ -1483,8 +1483,8 @@ 
 
 		// Merge the custom fields with those provided by the parent schema.
 		$parent_schema           = $this->get_creative_work_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+		$schema['custom_fields'] = array_merge($schema['custom_fields'], $parent_schema['custom_fields']);
+		$schema['linked_data']   = array_merge($schema['linked_data'], $parent_schema['linked_data']);
 
 		return $schema;
 	}
@@ -1501,7 +1501,7 @@ 
 		$schema = array(
 			'label'         => 'Offer',
 			'description'   => 'An offer. ',
-			'parents'       => array( 'thing' ),
+			'parents'       => array('thing'),
 			'css_class'     => 'wl-offer',
 			'uri'           => self::SCHEMA_OFFER_TYPE,
 			'same_as'       => array(),
@@ -1517,15 +1517,15 @@ 
 						'class' => 'Wordlift_Metabox_Field_Select',
 					),
 					'options'     => array(
-						'Discontinued'        => esc_html__( 'Discontinued', 'wordlift' ),
-						'InStock'             => esc_html__( 'In Stock', 'wordlift' ),
-						'InStoreOnly'         => esc_html__( 'In Store Only', 'wordlift' ),
-						'LimitedAvailability' => esc_html__( 'Limited Availability', 'wordlift' ),
-						'OnlineOnly'          => esc_html__( 'Online Only', 'wordlift' ),
-						'OutOfStock'          => esc_html__( 'Out of Stock', 'wordlift' ),
-						'PreOrder'            => esc_html__( 'Pre Order', 'wordlift' ),
-						'PreSale'             => esc_html__( 'Pre Sale', 'wordlift' ),
-						'SoldOut'             => esc_html__( 'Sold Out', 'wordlift' ),
+						'Discontinued'        => esc_html__('Discontinued', 'wordlift'),
+						'InStock'             => esc_html__('In Stock', 'wordlift'),
+						'InStoreOnly'         => esc_html__('In Store Only', 'wordlift'),
+						'LimitedAvailability' => esc_html__('Limited Availability', 'wordlift'),
+						'OnlineOnly'          => esc_html__('Online Only', 'wordlift'),
+						'OutOfStock'          => esc_html__('Out of Stock', 'wordlift'),
+						'PreOrder'            => esc_html__('Pre Order', 'wordlift'),
+						'PreSale'             => esc_html__('Pre Sale', 'wordlift'),
+						'SoldOut'             => esc_html__('Sold Out', 'wordlift'),
 					),
 				),
 				self::FIELD_PRICE               => array(
@@ -1585,55 +1585,55 @@ 
 			'linked_data'   => array(
 				// ### schema:availability.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_AVAILABILITY ),
+					$this->storage_factory->post_meta(self::FIELD_AVAILABILITY),
 					'http://schema.org/availability',
 					null
 				),
 				// ### schema:availabilityStarts.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_AVAILABILITY_STARTS ),
+					$this->storage_factory->post_meta(self::FIELD_AVAILABILITY_STARTS),
 					'http://schema.org/availabilityStarts',
 					self::DATA_TYPE_DATE_TIME
 				),
 				// ### schema:availabilityEnds.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_AVAILABILITY_ENDS ),
+					$this->storage_factory->post_meta(self::FIELD_AVAILABILITY_ENDS),
 					'http://schema.org/availabilityEnds',
 					self::DATA_TYPE_DATE_TIME
 				),
 				// ### schema:inventoryLevel.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_INVENTORY_LEVEL ),
+					$this->storage_factory->post_meta(self::FIELD_INVENTORY_LEVEL),
 					'http://schema.org/inventoryLevel',
 					self::DATA_TYPE_INTEGER
 				),
 				// ### schema:price.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_PRICE ),
+					$this->storage_factory->post_meta(self::FIELD_PRICE),
 					'http://schema.org/price',
 					self::DATA_TYPE_INTEGER
 				),
 				// ### schema:priceCurrency.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_PRICE_CURRENCY ),
+					$this->storage_factory->post_meta(self::FIELD_PRICE_CURRENCY),
 					'http://schema.org/priceCurrency',
 					null
 				),
 				// ### schema:validFrom.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_VALID_FROM ),
+					$this->storage_factory->post_meta(self::FIELD_VALID_FROM),
 					'http://schema.org/validFrom',
 					null
 				),
 				// ### schema:priceValidUntil.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta( self::FIELD_PRICE_VALID_UNTIL ),
+					$this->storage_factory->post_meta(self::FIELD_PRICE_VALID_UNTIL),
 					'http://schema.org/priceValidUntil',
 					null
 				),
 				// ### schema:itemOffered.
 				$this->rendition_factory->create(
-					$this->storage_factory->post_meta_to_uri( self::FIELD_ITEM_OFFERED ),
+					$this->storage_factory->post_meta_to_uri(self::FIELD_ITEM_OFFERED),
 					'http://schema.org/itemOffered',
 					self::DATA_TYPE_URI
 				),
@@ -1642,8 +1642,8 @@ 
 
 		// Merge the custom fields with those provided by the thing schema.
 		$parent_schema           = $this->get_thing_schema();
-		$schema['custom_fields'] = array_merge( $schema['custom_fields'], $parent_schema['custom_fields'] );
-		$schema['linked_data']   = array_merge( $schema['linked_data'], $parent_schema['linked_data'] );
+		$schema['custom_fields'] = array_merge($schema['custom_fields'], $parent_schema['custom_fields']);
+		$schema['linked_data']   = array_merge($schema['linked_data'], $parent_schema['linked_data']);
 
 		return $schema;
 	}

src/public/class-wordlift-shortcode.php

Indentation +45 added lines, -45 removed lines

@@ -8,50 +8,50 @@
  */
 abstract class Wordlift_Shortcode {
 
-	/**
-	 * The shortcode, set by extending classes.
-	 */
-	const SHORTCODE = NULL;
-
-	/**
-	 * Create a shortcode instance by registering the shortcode with the render
-	 * function.
-	 *
-	 * @since 3.5.4
-	 */
-	public function __construct() {
-
-		add_shortcode( static::SHORTCODE, array( $this, 'render' ) );
-
-	}
-
-	/**
-	 * Render the shortcode.
-	 *
-	 * @since 3.5.4
-	 *
-	 * @param array $atts An array of shortcode attributes as set by the editor.
-	 *
-	 * @return string The output html code.
-	 */
-	public abstract function render( $atts );
-
-	/**
-	 * Enqueue scripts. Called by the shortcode implementations in their render
-	 * method.
-	 *
-	 * @since 3.5.4
-	 */
-	protected function enqueue_scripts() {
-
-		wp_enqueue_script( 'angularjs', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular.min.js' );
-		wp_enqueue_script( 'angularjs-touch', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular-touch.min.js', array( 'angularjs' ) );
-		wp_enqueue_script( 'wordlift-ui', dirname( plugin_dir_url( __FILE__ ) ) . '/js/wordlift-ui' . ( ! defined( 'SCRIPT_DEBUG' ) || ! SCRIPT_DEBUG ? '.min' : '' ) . '.js', array(
-			'jquery',
-			'angularjs',
-			'angularjs-touch'
-		) );
-
-	}
+    /**
+     * The shortcode, set by extending classes.
+     */
+    const SHORTCODE = NULL;
+
+    /**
+     * Create a shortcode instance by registering the shortcode with the render
+     * function.
+     *
+     * @since 3.5.4
+     */
+    public function __construct() {
+
+        add_shortcode( static::SHORTCODE, array( $this, 'render' ) );
+
+    }
+
+    /**
+     * Render the shortcode.
+     *
+     * @since 3.5.4
+     *
+     * @param array $atts An array of shortcode attributes as set by the editor.
+     *
+     * @return string The output html code.
+     */
+    public abstract function render( $atts );
+
+    /**
+     * Enqueue scripts. Called by the shortcode implementations in their render
+     * method.
+     *
+     * @since 3.5.4
+     */
+    protected function enqueue_scripts() {
+
+        wp_enqueue_script( 'angularjs', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular.min.js' );
+        wp_enqueue_script( 'angularjs-touch', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular-touch.min.js', array( 'angularjs' ) );
+        wp_enqueue_script( 'wordlift-ui', dirname( plugin_dir_url( __FILE__ ) ) . '/js/wordlift-ui' . ( ! defined( 'SCRIPT_DEBUG' ) || ! SCRIPT_DEBUG ? '.min' : '' ) . '.js', array(
+            'jquery',
+            'angularjs',
+            'angularjs-touch'
+        ) );
+
+    }
 
 }

Spacing +6 added lines, -6 removed lines

@@ -21,7 +21,7 @@ 
 	 */
 	public function __construct() {
 
-		add_shortcode( static::SHORTCODE, array( $this, 'render' ) );
+		add_shortcode(static::SHORTCODE, array($this, 'render'));
 
 	}
 
@@ -34,7 +34,7 @@ 
 	 *
 	 * @return string The output html code.
 	 */
-	public abstract function render( $atts );
+	public abstract function render($atts);
 
 	/**
 	 * Enqueue scripts. Called by the shortcode implementations in their render
@@ -44,13 +44,13 @@ 
 	 */
 	protected function enqueue_scripts() {
 
-		wp_enqueue_script( 'angularjs', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular.min.js' );
-		wp_enqueue_script( 'angularjs-touch', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular-touch.min.js', array( 'angularjs' ) );
-		wp_enqueue_script( 'wordlift-ui', dirname( plugin_dir_url( __FILE__ ) ) . '/js/wordlift-ui' . ( ! defined( 'SCRIPT_DEBUG' ) || ! SCRIPT_DEBUG ? '.min' : '' ) . '.js', array(
+		wp_enqueue_script('angularjs', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular.min.js');
+		wp_enqueue_script('angularjs-touch', 'https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular-touch.min.js', array('angularjs'));
+		wp_enqueue_script('wordlift-ui', dirname(plugin_dir_url(__FILE__)).'/js/wordlift-ui'.( ! defined('SCRIPT_DEBUG') || ! SCRIPT_DEBUG ? '.min' : '').'.js', array(
 			'jquery',
 			'angularjs',
 			'angularjs-touch'
-		) );
+		));
 
 	}
 

src/includes/properties/class-wordlift-property-getter.php

Indentation +58 added lines, -58 removed lines

@@ -9,72 +9,72 @@
  */
 class Wordlift_Property_Getter {
 
-	/**
-	 * An array of {@link Wordlift_Simple_Property_Service}s which can access a
-	 * property.
-	 *
-	 * @since 3.8.0
-	 * @access private
-	 * @var Wordlift_Simple_Property_Service[] $services An array of {@link Wordlift_Simple_Property_Service}s.
-	 */
-	private $services = array();
+    /**
+     * An array of {@link Wordlift_Simple_Property_Service}s which can access a
+     * property.
+     *
+     * @since 3.8.0
+     * @access private
+     * @var Wordlift_Simple_Property_Service[] $services An array of {@link Wordlift_Simple_Property_Service}s.
+     */
+    private $services = array();
 
-	/**
-	 * The default {@link Wordlift_Simple_Property_Service} which is used to access
-	 * a property when no specific {@link Wordlift_Simple_Property_Service} is found
-	 * in the {@see $services} array.
-	 * @var Wordlift_Simple_Property_Service
-	 */
-	private $default;
+    /**
+     * The default {@link Wordlift_Simple_Property_Service} which is used to access
+     * a property when no specific {@link Wordlift_Simple_Property_Service} is found
+     * in the {@see $services} array.
+     * @var Wordlift_Simple_Property_Service
+     */
+    private $default;
 
-	/**
-	 * Create a property service with the provided {@link Wordlift_Simple_Property_Service}
-	 * as default.
-	 *
-	 * @since 3.8.0
-	 *
-	 * @param $default
-	 */
-	public function __construct( $default ) {
+    /**
+     * Create a property service with the provided {@link Wordlift_Simple_Property_Service}
+     * as default.
+     *
+     * @since 3.8.0
+     *
+     * @param $default
+     */
+    public function __construct( $default ) {
 
-		$this->default = $default;
+        $this->default = $default;
 
-	}
+    }
 
-	/**
-	 * Register a {@link Wordlift_Simple_Property_Service} for the specified meta keys.
-	 *
-	 * @since 3.8.0
-	 *
-	 * @param \Wordlift_Simple_Property_Service $property_service A {@link Wordlift_Simple_Property_Service} instance.
-	 * @param array $meta_keys An array of meta keys that the provided {@link Wordlift_Simple_Property_Service} will handle.
-	 */
-	public function register( $property_service, $meta_keys ) {
+    /**
+     * Register a {@link Wordlift_Simple_Property_Service} for the specified meta keys.
+     *
+     * @since 3.8.0
+     *
+     * @param \Wordlift_Simple_Property_Service $property_service A {@link Wordlift_Simple_Property_Service} instance.
+     * @param array $meta_keys An array of meta keys that the provided {@link Wordlift_Simple_Property_Service} will handle.
+     */
+    public function register( $property_service, $meta_keys ) {
 
-		// Register the specified property service for each meta key.
-		foreach ( $meta_keys as $meta_key ) {
-			$this->services[ $meta_key ] = $property_service;
-		}
+        // Register the specified property service for each meta key.
+        foreach ( $meta_keys as $meta_key ) {
+            $this->services[ $meta_key ] = $property_service;
+        }
 
-	}
+    }
 
-	/**
-	 * Get the value for the specified entity post id and WP's meta key.
-	 *
-	 * @since 3.8.0
-	 *
-	 * @param int $post_id The post id.
-	 * @param string $meta_key The meta key.
-	 *
-	 * @return mixed|null The property value or null.
-	 */
-	public function get( $post_id, $meta_key ) {
+    /**
+     * Get the value for the specified entity post id and WP's meta key.
+     *
+     * @since 3.8.0
+     *
+     * @param int $post_id The post id.
+     * @param string $meta_key The meta key.
+     *
+     * @return mixed|null The property value or null.
+     */
+    public function get( $post_id, $meta_key ) {
 
-		return isset( $this->services[ $meta_key ] )
-			// Use a specific property service.
-			? $this->services[ $meta_key ]->get( $post_id, $meta_key )
-			// Use the default property service.
-			: $this->default->get( $post_id, $meta_key );
-	}
+        return isset( $this->services[ $meta_key ] )
+            // Use a specific property service.
+            ? $this->services[ $meta_key ]->get( $post_id, $meta_key )
+            // Use the default property service.
+            : $this->default->get( $post_id, $meta_key );
+    }
 
 }

Spacing +8 added lines, -8 removed lines

@@ -35,7 +35,7 @@ 
 	 *
 	 * @param $default
 	 */
-	public function __construct( $default ) {
+	public function __construct($default) {
 
 		$this->default = $default;
 
@@ -49,11 +49,11 @@ 
 	 * @param \Wordlift_Simple_Property_Service $property_service A {@link Wordlift_Simple_Property_Service} instance.
 	 * @param array $meta_keys An array of meta keys that the provided {@link Wordlift_Simple_Property_Service} will handle.
 	 */
-	public function register( $property_service, $meta_keys ) {
+	public function register($property_service, $meta_keys) {
 
 		// Register the specified property service for each meta key.
-		foreach ( $meta_keys as $meta_key ) {
-			$this->services[ $meta_key ] = $property_service;
+		foreach ($meta_keys as $meta_key) {
+			$this->services[$meta_key] = $property_service;
 		}
 
 	}
@@ -68,13 +68,13 @@ 
 	 *
 	 * @return mixed|null The property value or null.
 	 */
-	public function get( $post_id, $meta_key ) {
+	public function get($post_id, $meta_key) {
 
-		return isset( $this->services[ $meta_key ] )
+		return isset($this->services[$meta_key])
 			// Use a specific property service.
-			? $this->services[ $meta_key ]->get( $post_id, $meta_key )
+			? $this->services[$meta_key]->get($post_id, $meta_key)
 			// Use the default property service.
-			: $this->default->get( $post_id, $meta_key );
+			: $this->default->get($post_id, $meta_key);
 	}
 
 }