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<?php |
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/** |
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* Class EEH_Schema |
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* This class is a collection of static methods for applying schema.org formatting to passed items |
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* |
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* @package Event Espresso |
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* @subpackage /core/helpers/ |
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* @author Brent Christensen |
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*/ |
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class EEH_Schema |
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{ |
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/** |
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* generates JSON-based linked data for an event |
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* |
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* @param EE_Event $event |
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* @throws EE_Error |
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*/ |
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public static function add_json_linked_data_for_event(EE_Event $event) |
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{ |
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// Check we have a valid datetime for the event |
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if (! $event->primary_datetime() instanceof EE_Datetime) { |
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return; |
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} |
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$template_args = array( |
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'event_permalink' => '', |
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'event_name' => '', |
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'event_description' => '', |
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'event_start' => '', |
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'event_end' => '', |
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'event_attendance_mode' => '', |
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'event_status' => '', |
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'currency' => '', |
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'event_tickets' => array(), |
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'venue_name' => '', |
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'venue_url' => '', |
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'venue_locality' => '', |
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'venue_region' => '', |
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'venue_address' => '', |
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'event_image' => '', |
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); |
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$template_args['event_permalink'] = $event->get_permalink(); |
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$template_args['event_name'] = $event->name(); |
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$template_args['event_description'] = wp_strip_all_tags($event->short_description(200)); |
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// clone datetime so that date formats don't override those for the original datetime |
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$primary_datetime = clone $event->primary_datetime(); |
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$template_args['event_start'] = $primary_datetime->start_date(DateTime::ATOM); |
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$template_args['event_end'] = $primary_datetime->end_date(DateTime::ATOM); |
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unset($primary_datetime); |
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switch ($event->status()) { |
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case EEM_Event::cancelled: |
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$event_status = 'EventCancelled'; |
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break; |
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case EEM_Event::postponed: |
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$event_status = 'EventPostponed'; |
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break; |
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default: |
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$event_status = 'EventScheduled'; |
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} |
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$template_args['event_attendance_mode'] = 'OfflineEventAttendanceMode'; |
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$template_args['event_status'] = '"https://schema.org/' . $event_status . '"'; |
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$template_args['currency'] = EE_Registry::instance()->CFG->currency->code; |
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foreach ($event->tickets() as $original_ticket) { |
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// clone tickets so that date formats don't override those for the original ticket |
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$ticket= clone $original_ticket; |
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$ID = $ticket->ID(); |
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$template_args['event_tickets'][ $ID ]['start_date'] = $ticket->start_date(DateTime::ATOM, null); |
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$template_args['event_tickets'][ $ID ]['end_date'] = $ticket->end_date(DateTime::ATOM, null); |
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$template_args['event_tickets'][ $ID ]['price'] = number_format( |
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$ticket->price(), |
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EE_Registry::instance()->CFG->currency->dec_plc, |
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EE_Registry::instance()->CFG->currency->dec_mrk, |
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'' |
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); |
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switch ($ticket->ticket_status()) { |
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case 'TKO': |
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$availability = 'InStock'; |
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break; |
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case 'TKS': |
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$availability = 'SoldOut'; |
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break; |
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default: |
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$availability = null; |
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break; |
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} |
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$template_args['event_tickets'][ $ID ]['availability'] = $availability; |
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unset($ticket); |
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} |
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$VNU_ID = espresso_venue_id(); |
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if (! empty($VNU_ID) && ! espresso_is_venue_private($VNU_ID)) { |
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$venue = EEH_Venue_View::get_venue($VNU_ID); |
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$template_args['venue_name'] = get_the_title($VNU_ID); |
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$template_args['venue_url'] = get_permalink($VNU_ID); |
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$template_args['venue_locality'] = $venue->city(); |
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$template_args['venue_region'] = $venue->state_name(); |
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$template_args['venue_address'] = $venue->address(); |
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if ($venue->virtual_url() !== '') { |
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$template_args['event_attendance_mode'] = 'OnlineEventAttendanceMode'; |
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} |
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if ($venue->virtual_url() !== '' && $venue->address() !== '') { |
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$template_args['event_attendance_mode'] = 'MixedEventAttendanceMode'; |
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} |
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} |
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$template_args['event_image'] = $event->feature_image_url(); |
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$template_args = apply_filters( |
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'FHEE__EEH_Schema__add_json_linked_data_for_event__template_args', |
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$template_args, |
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$event, |
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$VNU_ID |
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); |
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extract($template_args, EXTR_OVERWRITE); |
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include EE_TEMPLATES . 'json_linked_data_for_event.template.php'; |
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} |
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/** |
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* location |
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* The location of the event, organization or action. |
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* Should include the Venue name AND schema formatted address info |
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* |
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* @access public |
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* @param string $location |
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* @return string |
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*/ |
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public static function location($location = null) |
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{ |
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return ! empty($location) ? '<div itemprop="location" itemscope itemtype="http://schema.org/Place">' |
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. $location |
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. '</div>' : ''; |
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} |
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/** |
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* name |
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* The name of the Event or Venue. |
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* |
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* @access public |
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* @param string $name |
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* @return string |
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*/ |
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public static function name($name = null) |
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{ |
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return ! empty($name) ? '<span itemprop="name">' . $name . '</span>' : ''; |
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} |
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/** |
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* streetAddress |
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* The street address. For example, 1600 Amphitheatre Pkwy. |
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* |
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* @access public |
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* @param EEI_Address $obj_with_address |
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* @return string |
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*/ |
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public static function streetAddress(EEI_Address $obj_with_address = null) |
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{ |
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return $obj_with_address->address() !== null && $obj_with_address->address() !== '' |
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? '<span itemprop="streetAddress">' . $obj_with_address->address() . '</span>' : ''; |
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} |
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/** |
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* postOfficeBoxNumber |
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* The post office box number for PO box addresses. |
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* |
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* @access public |
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* @param EEI_Address $obj_with_address |
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* @return string |
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*/ |
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public static function postOfficeBoxNumber(EEI_Address $obj_with_address = null) |
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{ |
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// regex check for some form of PO Box or P.O. Box, etc, etc, etc |
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if (preg_match( |
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"/^\s*((P(OST)?.?\s*(O(FF(ICE)?)?)?.?\s+(B(IN|OX))?)|B(IN|OX))/i", |
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$obj_with_address->address2() |
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) ) { |
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return $obj_with_address->address2() !== null && $obj_with_address->address2() !== '' |
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? '<span itemprop="postOfficeBoxNumber">' . $obj_with_address->address2() . '</span>' : ''; |
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} else { |
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return $obj_with_address->address2(); |
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} |
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} |
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/** |
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* addressLocality |
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* The locality (city, town, etc). For example, Mountain View. |
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* |
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* @access public |
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* @param EEI_Address $obj_with_address |
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* @return string |
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*/ |
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public static function addressLocality(EEI_Address $obj_with_address = null) |
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{ |
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return $obj_with_address->city() !== null && $obj_with_address->city() !== '' |
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? '<span itemprop="addressLocality">' . $obj_with_address->city() . '</span>' : ''; |
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} |
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/** |
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* addressRegion |
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* The region (state, province, etc). For example, CA. |
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* |
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* @access public |
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* @param EEI_Address $obj_with_address |
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* @return string |
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*/ |
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public static function addressRegion(EEI_Address $obj_with_address = null) |
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{ |
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$state = $obj_with_address->state_name(); |
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if (! empty($state)) { |
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return '<span itemprop="addressRegion">' . $state . '</span>'; |
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} else { |
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return ''; |
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} |
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} |
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/** |
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* addressCountry |
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* The country. For example, USA. You can also provide the two-letter ISO 3166-1 alpha-2 country code. |
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* |
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* @access public |
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* @param EEI_Address $obj_with_address |
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* @return string |
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*/ |
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public static function addressCountry(EEI_Address $obj_with_address = null) |
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{ |
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$country = $obj_with_address->country_name(); |
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if (! empty($country)) { |
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return '<span itemprop="addressCountry">' . $country . '</span>'; |
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} else { |
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return ''; |
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} |
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} |
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/** |
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* postalCode |
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* The postal code. For example, 94043. |
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* |
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* @access public |
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* @param EEI_Address $obj_with_address |
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* @return string |
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*/ |
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public static function postalCode(EEI_Address $obj_with_address = null) |
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{ |
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return $obj_with_address->zip() !== null && $obj_with_address->zip() !== '' ? '<span itemprop="postalCode">' |
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. $obj_with_address->zip() |
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. '</span>' : ''; |
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} |
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/** |
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* telephone |
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* The telephone number. |
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* |
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* @access public |
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* @param string $phone_nmbr |
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* @return string |
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*/ |
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public static function telephone($phone_nmbr = null) |
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{ |
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return $phone_nmbr !== null && $phone_nmbr !== '' ? '<span itemprop="telephone">' . $phone_nmbr . '</span>' |
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: ''; |
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} |
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/** |
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* URL |
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* URL of the item as a clickable link |
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* |
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* @access public |
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* @param string $url - the URL that the link will resolve to |
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* @param string $text - the text that will be used for the visible link |
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* @param array $attributes - array of additional link attributes in attribute_name => value pairs. ie: array( 'title' => 'click here', 'class' => 'link-class' ) |
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* @return string (link) |
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*/ |
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public static function url($url = null, $text = null, $attributes = array()) |
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{ |
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// Check the URL includes a scheme |
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$parsed_url = parse_url($url); |
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if (empty($parsed_url['scheme'])) { |
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$url = 'http://' . ltrim($url, '/'); |
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} |
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$atts = ''; |
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foreach ($attributes as $attribute => $value) { |
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$atts .= ' ' . $attribute . '="' . $value . '"'; |
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} |
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$text = $text !== null && $text !== '' ? $text : $url; |
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return $url !== null && $url !== '' ? '<a itemprop="url" href="' . $url . '"' . $atts . '>' . $text . '</a>' |
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: ''; |
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} |
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} |
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If a variable is not always an object, we recommend to add an additional type check to ensure your method call is safe: