moonstonemedia / Simple-Calendar

includes/events/event-builder.php

Spacing +235 added lines, -235 removed lines

@@ -9,7 +9,7 @@ 
 use Carbon\Carbon;
 use SimpleCalendar\Abstracts\Calendar;
 
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -54,7 +54,7 @@ 
 	 * @param Event    $event
 	 * @param Calendar $calendar
 	 */
-	public function __construct( Event $event, Calendar $calendar ) {
+	public function __construct(Event $event, Calendar $calendar) {
 		$this->event    = $event;
 		$this->calendar = $calendar;
 		$this->tags     = $this->get_content_tags();
@@ -68,7 +68,7 @@ 
 	 * @return array
 	 */
 	public function get_content_tags() {
-		return array_merge( array(
+		return array_merge(array(
 
 			/* ============ *
 			 * Content Tags *
@@ -214,7 +214,7 @@ 
 			'if-not-end-location',
 			// Does the event has NOT an end location?
 
-		), (array) $this->add_custom_event_tags() );
+		), (array) $this->add_custom_event_tags());
 	}
 
 	/**
@@ -226,16 +226,16 @@ 
 	 *
 	 * @return string
 	 */
-	public function parse_event_template_tags( $template_tags = '' ) {
+	public function parse_event_template_tags($template_tags = '') {
 
 		// Process tags.
-		$result = preg_replace_callback( $this->get_regex(), array( $this, 'process_event_content' ), $template_tags );
+		$result = preg_replace_callback($this->get_regex(), array($this, 'process_event_content'), $template_tags);
 
 		// Removes extra consecutive <br> tags.
 		// TODO: Doesn't seem to work but going to remove it to allow multiple <br> tags in the editor
 		/*return preg_replace( '#(<br *//*?>\s*)+#i', '<br />', trim( $result ) );*/
 
-		return do_shortcode( trim( $result ) );
+		return do_shortcode(trim($result));
 	}
 
 	/**
@@ -247,10 +247,10 @@ 
 	 *
 	 * @return string
 	 */
-	public function process_event_content( $match ) {
+	public function process_event_content($match) {
 
-		if ( $match[1] == '[' && $match[6] == ']' ) {
-			return substr( $match[0], 1, -1 );
+		if ($match[1] == '[' && $match[6] == ']') {
+			return substr($match[0], 1, -1);
 		}
 
 		$tag     = $match[2]; // Tag name without square brackets.
@@ -262,9 +262,9 @@ 
 		$calendar = $this->calendar;
 		$event    = $this->event;
 
-		if ( ( $calendar instanceof Calendar ) && ( $event instanceof Event ) ) {
+		if (($calendar instanceof Calendar) && ($event instanceof Event)) {
 
-			switch ( $tag ) {
+			switch ($tag) {
 
 				/* ============ *
 				 * Content Tags *
@@ -272,13 +272,13 @@ 
 
 				case 'title' :
 				case 'event-title' :
-					return $this->get_title( $event->title, $attr );
+					return $this->get_title($event->title, $attr);
 
 				case 'description' :
-					return $this->get_description( $event->description, $attr );
+					return $this->get_description($event->description, $attr);
 
 				case 'when' :
-					return $this->get_when( $event );
+					return $this->get_when($event);
 
 				case 'end-date' :
 				case 'end-custom' :
@@ -288,58 +288,58 @@ 
 				case 'start-date' :
 				case 'start-human' :
 				case 'start-time' :
-					return $this->get_dt( $tag, $event, $attr );
+					return $this->get_dt($tag, $event, $attr);
 
 				case 'length' :
 				case 'duration' :
-					if ( false !== $event->end ) {
+					if (false !== $event->end) {
 						$duration = $event->start - $event->end;
-						$value    = human_time_diff( $event->start, $event->end );
+						$value    = human_time_diff($event->start, $event->end);
 					} else {
 						$duration = '-1';
-						$value    = __( 'No end time', 'google-calendar-events' );
+						$value    = __('No end time', 'google-calendar-events');
 					}
 
-					return ' <span class="simcal-event-duration" data-event-duration="' . $duration . '">' . $value . '</span>';
+					return ' <span class="simcal-event-duration" data-event-duration="'.$duration.'">'.$value.'</span>';
 
 				case 'location' :
 				case 'start-location' :
 				case 'end-location' :
-					$location       = ( 'end-location' == $tag ) ? $event->end_location['address'] : $event->start_location['address'];
-					$location_class = ( 'end-location' == $tag ) ? 'end' : 'start';
+					$location       = ('end-location' == $tag) ? $event->end_location['address'] : $event->start_location['address'];
+					$location_class = ('end-location' == $tag) ? 'end' : 'start';
 
 					// location, location.name, location.address (type PostalAddress) all required for schema data.
 					// Need to use event name where location data doesn't exist.
 					// Since we have 1 location field, use it as the name and address.
 					// If the location is blank, use the event title as the name and address.
 					// Wrap with wp_strip_all_tags().
-					$meta_location_name_and_address = empty( $location ) ? wp_strip_all_tags( $event->title ) : wp_strip_all_tags( $location );
+					$meta_location_name_and_address = empty($location) ? wp_strip_all_tags($event->title) : wp_strip_all_tags($location);
 
-					return ' <span class="simcal-event-address simcal-event-' . $location_class . '-location" itemprop="location" itemscope itemtype="http://schema.org/Place">' . '<meta itemprop="name" content="' . $meta_location_name_and_address . '" />' . '<meta itemprop="address" content="' . $meta_location_name_and_address . '" />' . wp_strip_all_tags( $location ) . '</span>';
+					return ' <span class="simcal-event-address simcal-event-'.$location_class.'-location" itemprop="location" itemscope itemtype="http://schema.org/Place">'.'<meta itemprop="name" content="'.$meta_location_name_and_address.'" />'.'<meta itemprop="address" content="'.$meta_location_name_and_address.'" />'.wp_strip_all_tags($location).'</span>';
 
 				case 'start-location-link':
 				case 'end-location-link' :
 				case 'maps-link' :
-					$location = ( 'end-location-link' == $tag ) ? $event->end_location['address'] : $event->start_location['address'];
-					if ( ! empty( $location ) ) {
-						$url = '//maps.google.com?q=' . urlencode( $location );
+					$location = ('end-location-link' == $tag) ? $event->end_location['address'] : $event->start_location['address'];
+					if ( ! empty($location)) {
+						$url = '//maps.google.com?q='.urlencode($location);
 
-						return $this->make_link( $tag, $url, $calendar->get_event_html( $event, $partial ), $attr );
+						return $this->make_link($tag, $url, $calendar->get_event_html($event, $partial), $attr);
 					}
 					break;
 
 				case 'link' :
 				case 'url' :
-					$content = ( 'link' == $tag ) ? $calendar->get_event_html( $event, $partial ) : '';
+					$content = ('link' == $tag) ? $calendar->get_event_html($event, $partial) : '';
 
-					return $this->make_link( $tag, $event->link, $content, $attr );
+					return $this->make_link($tag, $event->link, $content, $attr);
 
 				case 'add-to-gcal-link';
-					$content = ( 'add-to-gcal-link' == $tag ) ? $calendar->get_event_html( $event, $partial ) : '';
-					if ( ! empty( $content ) ) {
-						$url = $calendar->get_add_to_gcal_url( $event );
+					$content = ('add-to-gcal-link' == $tag) ? $calendar->get_event_html($event, $partial) : '';
+					if ( ! empty($content)) {
+						$url = $calendar->get_add_to_gcal_url($event);
 
-						return $this->make_link( $tag, $url, $content, $attr );
+						return $this->make_link($tag, $url, $content, $attr);
 					}
 					break;
 
@@ -366,22 +366,22 @@ 
 
 				case 'attachments' :
 					$attachments = $event->get_attachments();
-					if ( ! empty( $attachments ) ) {
-						return $this->get_attachments( $attachments );
+					if ( ! empty($attachments)) {
+						return $this->get_attachments($attachments);
 					}
 					break;
 
 				case 'attendees' :
 					$attendees = $event->get_attendees();
-					if ( ! empty( $attendees ) ) {
-						return $this->get_attendees( $attendees, $attr );
+					if ( ! empty($attendees)) {
+						return $this->get_attendees($attendees, $attr);
 					}
 					break;
 
 				case 'organizer' :
 					$organizer = $event->get_organizer();
-					if ( ! empty( $organizer ) ) {
-						return $this->get_organizer( $organizer, $attr );
+					if ( ! empty($organizer)) {
+						return $this->get_organizer($organizer, $attr);
 					}
 					break;
 
@@ -390,35 +390,35 @@ 
 				 * ================ */
 
 				case 'if-title':
-					if ( ! empty( $event->title ) ) {
-						return $calendar->get_event_html( $event, $partial );
+					if ( ! empty($event->title)) {
+						return $calendar->get_event_html($event, $partial);
 					}
 					break;
 
 				case 'if-description':
-					if ( ! empty( $event->description ) ) {
-						return $calendar->get_event_html( $event, $partial );
+					if ( ! empty($event->description)) {
+						return $calendar->get_event_html($event, $partial);
 					}
 					break;
 
 				case 'if-now' :
 				case 'if-not-now' :
 
-					$start_dt = $event->start_dt->setTimezone( $calendar->timezone );
+					$start_dt = $event->start_dt->setTimezone($calendar->timezone);
 					$start    = $start_dt->getTimestamp();
 
-					if ( $event->end_dt instanceof Carbon ) {
-						$end = $event->end_dt->setTimezone( $calendar->timezone )->getTimestamp();
+					if ($event->end_dt instanceof Carbon) {
+						$end = $event->end_dt->setTimezone($calendar->timezone)->getTimestamp();
 					} else {
 						return '';
 					}
 
-					$now = ( $start <= $calendar->now ) && ( $end >= $calendar->now );
+					$now = ($start <= $calendar->now) && ($end >= $calendar->now);
 
-					if ( ( 'if-now' == $tag ) && $now ) {
-						return $calendar->get_event_html( $event, $partial );
-					} elseif ( ( 'if-not-now' == $tag ) && ( false == $now ) ) {
-						return $calendar->get_event_html( $event, $partial );
+					if (('if-now' == $tag) && $now) {
+						return $calendar->get_event_html($event, $partial);
+					} elseif (('if-not-now' == $tag) && (false == $now)) {
+						return $calendar->get_event_html($event, $partial);
 					}
 
 					break;
@@ -426,15 +426,15 @@ 
 				case 'if-started' :
 				case 'if-not-started' :
 
-					$start = $event->start_dt->setTimezone( $calendar->timezone )->getTimestamp();
+					$start = $event->start_dt->setTimezone($calendar->timezone)->getTimestamp();
 
-					if ( 'if-started' == $tag ) {
-						if ( $start < $calendar->now ) {
-							return $calendar->get_event_html( $event, $partial );
+					if ('if-started' == $tag) {
+						if ($start < $calendar->now) {
+							return $calendar->get_event_html($event, $partial);
 						}
-					} elseif ( 'if-not-started' == $tag ) {
-						if ( $start > $calendar->now ) {
-							return $calendar->get_event_html( $event, $partial );
+					} elseif ('if-not-started' == $tag) {
+						if ($start > $calendar->now) {
+							return $calendar->get_event_html($event, $partial);
 						}
 					}
 
@@ -443,17 +443,17 @@ 
 				case 'if-ended' :
 				case 'if-not-ended' :
 
-					if ( false !== $event->end ) {
+					if (false !== $event->end) {
 
-						$end = $event->end_dt->setTimezone( $calendar->timezone )->getTimestamp();
+						$end = $event->end_dt->setTimezone($calendar->timezone)->getTimestamp();
 
-						if ( 'if-ended' == $tag ) {
-							if ( $end < $calendar->now ) {
-								return $calendar->get_event_html( $event, $partial );
+						if ('if-ended' == $tag) {
+							if ($end < $calendar->now) {
+								return $calendar->get_event_html($event, $partial);
 							}
-						} elseif ( 'if-not-ended' == $tag ) {
-							if ( $end > $calendar->now ) {
-								return $calendar->get_event_html( $event, $partial );
+						} elseif ('if-not-ended' == $tag) {
+							if ($end > $calendar->now) {
+								return $calendar->get_event_html($event, $partial);
 							}
 						}
 
@@ -462,14 +462,14 @@ 
 					break;
 
 				case 'if-end-time' :
-					if ( false !== $event->end ) {
-						return $calendar->get_event_html( $event, $partial );
+					if (false !== $event->end) {
+						return $calendar->get_event_html($event, $partial);
 					}
 					break;
 
 				case 'if-no-end-time' :
-					if ( false === $event->end ) {
-						return $calendar->get_event_html( $event, $partial );
+					if (false === $event->end) {
+						return $calendar->get_event_html($event, $partial);
 					}
 					break;
 
@@ -477,62 +477,62 @@ 
 				case 'if-whole-day' :
 				case 'if-not-all-day' :
 				case 'if-not-whole-day' :
-					$bool = strstr( $tag, 'not' ) ? false : true;
-					if ( $bool === $event->whole_day ) {
-						return $calendar->get_event_html( $event, $partial );
+					$bool = strstr($tag, 'not') ? false : true;
+					if ($bool === $event->whole_day) {
+						return $calendar->get_event_html($event, $partial);
 					}
 					break;
 
 				case 'if-recurring' :
-					if ( ! empty( $event->recurrence ) ) {
-						return $calendar->get_event_html( $event, $partial );
+					if ( ! empty($event->recurrence)) {
+						return $calendar->get_event_html($event, $partial);
 					}
 					break;
 
 				case 'if-not-recurring' :
-					if ( false === $event->recurrence ) {
-						return $calendar->get_event_html( $event, $partial );
+					if (false === $event->recurrence) {
+						return $calendar->get_event_html($event, $partial);
 					}
 					break;
 
 				case 'if-multi-day' :
-					if ( false !== $event->multiple_days ) {
-						return $calendar->get_event_html( $event, $partial );
+					if (false !== $event->multiple_days) {
+						return $calendar->get_event_html($event, $partial);
 					}
 					break;
 
 				case 'if-single-day' :
-					if ( false === $event->multiple_days ) {
-						return $calendar->get_event_html( $event, $partial );
+					if (false === $event->multiple_days) {
+						return $calendar->get_event_html($event, $partial);
 					}
 					break;
 
 				case 'if-location' :
 				case 'if-start-location' :
-					if ( ! empty( $event->start_location['address'] ) ) {
-						return $calendar->get_event_html( $event, $partial );
+					if ( ! empty($event->start_location['address'])) {
+						return $calendar->get_event_html($event, $partial);
 					}
 
 					return false;
 
 				case 'if-not-location' :
 				case 'if-not-start-location' :
-					if ( empty( $event->start_location['address'] ) ) {
-						return $calendar->get_event_html( $event, $partial );
+					if (empty($event->start_location['address'])) {
+						return $calendar->get_event_html($event, $partial);
 					}
 
 					return '';
 
 				case 'if-not-end-location' :
-					if ( empty( $event->end_location['address'] ) ) {
-						return $calendar->get_event_html( $event, $partial );
+					if (empty($event->end_location['address'])) {
+						return $calendar->get_event_html($event, $partial);
 					}
 
 					return '';
 
 				case 'if-end-location' :
-					if ( ! empty( $event->end_location['address'] ) ) {
-						return $calendar->get_event_html( $event, $partial );
+					if ( ! empty($event->end_location['address'])) {
+						return $calendar->get_event_html($event, $partial);
 					}
 
 					return '';
@@ -542,12 +542,12 @@ 
 				 * ======= */
 
 				default :
-					$resultCustom = $this->do_custom_event_tag( $tag, $partial, $attr, $event );
-					if ( $resultCustom != "" ) {
+					$resultCustom = $this->do_custom_event_tag($tag, $partial, $attr, $event);
+					if ($resultCustom != "") {
 						return $resultCustom;
 					}
 
-					return wp_kses_post( $before . $partial . $after );
+					return wp_kses_post($before.$partial.$after);
 			}
 		}
 
@@ -565,14 +565,14 @@ 
 	 *
 	 * @return string
 	 */
-	private function limit_words( $text, $limit ) {
+	private function limit_words($text, $limit) {
 
-		$limit = max( absint( $limit ), 0 );
+		$limit = max(absint($limit), 0);
 
-		if ( $limit > 0 && ( str_word_count( $text, 0 ) > $limit ) ) {
-			$words = str_word_count( $text, 2 );
-			$pos   = array_keys( $words );
-			$text  = trim( substr( $text, 0, $pos[ $limit ] ) ) . '&hellip;';
+		if ($limit > 0 && (str_word_count($text, 0) > $limit)) {
+			$words = str_word_count($text, 2);
+			$pos   = array_keys($words);
+			$text  = trim(substr($text, 0, $pos[$limit])).'&hellip;';
 		}
 
 		return $text;
@@ -589,26 +589,26 @@ 
 	 *
 	 * @return string
 	 */
-	private function get_title( $title, $attr ) {
+	private function get_title($title, $attr) {
 
-		if ( empty( $title ) ) {
+		if (empty($title)) {
 			return '';
 		}
 
-		$attr = array_merge( array(
-			'html'  => '',  // Parse HTML
-			'limit' => 0,   // Trim length to amount of words
-		), (array) shortcode_parse_atts( $attr ) );
+		$attr = array_merge(array(
+			'html'  => '', // Parse HTML
+			'limit' => 0, // Trim length to amount of words
+		), (array) shortcode_parse_atts($attr));
 
-		if ( ! empty( $attr['html'] ) ) {
-			$title = wp_kses_post( $title );
+		if ( ! empty($attr['html'])) {
+			$title = wp_kses_post($title);
 			$tag   = 'div';
 		} else {
-			$title = $this->limit_words( $title, $attr['limit'] );
+			$title = $this->limit_words($title, $attr['limit']);
 			$tag   = 'span';
 		}
 
-		return '<' . $tag . ' class="simcal-event-title" itemprop="name">' . $title . '</' . $tag . '>';
+		return '<'.$tag.' class="simcal-event-title" itemprop="name">'.$title.'</'.$tag.'>';
 	}
 
 	/**
@@ -622,18 +622,18 @@ 
 	 *
 	 * @return string
 	 */
-	private function get_description( $description, $attr ) {
+	private function get_description($description, $attr) {
 
-		if ( empty( $description ) ) {
+		if (empty($description)) {
 			return '';
 		}
 
-		$attr = array_merge( array(
-			'limit'    => 0,       // Trim length to number of words
-			'html'     => 'no',    // Parse HTML content
-			'markdown' => 'no',    // Parse Markdown content
-			'autolink' => 'no',    // Automatically convert plaintext URIs to anchors
-		), (array) shortcode_parse_atts( $attr ) );
+		$attr = array_merge(array(
+			'limit'    => 0, // Trim length to number of words
+			'html'     => 'no', // Parse HTML content
+			'markdown' => 'no', // Parse Markdown content
+			'autolink' => 'no', // Automatically convert plaintext URIs to anchors
+		), (array) shortcode_parse_atts($attr));
 
 		$allow_html = 'no' != $attr['html'] ? true : false;
 		$allow_md   = 'no' != $attr['markdown'] ? true : false;
@@ -641,23 +641,23 @@ 
 		$html = '<div class="simcal-event-description" itemprop="description">';
 
 		// Markdown and HTML don't play well together, use one or the other in the same tag.
-		if ( $allow_html || $allow_md ) {
-			if ( $allow_html ) {
-				$description = wp_kses_post( $description );
-			} elseif ( $allow_md ) {
+		if ($allow_html || $allow_md) {
+			if ($allow_html) {
+				$description = wp_kses_post($description);
+			} elseif ($allow_md) {
 				$markdown    = new \Parsedown();
-				$description = $markdown->text( wp_strip_all_tags( $description ) );
+				$description = $markdown->text(wp_strip_all_tags($description));
 			}
 		} else {
-			$description = wpautop( $description );
+			$description = wpautop($description);
 		}
 
-		$description = $this->limit_words( $description, $attr['limit'] );
+		$description = $this->limit_words($description, $attr['limit']);
 
-		$html .= $description . '</div>';
+		$html .= $description.'</div>';
 
-		if ( 'no' != $attr['autolink'] ) {
-			$html = ' ' . make_clickable( $html );
+		if ('no' != $attr['autolink']) {
+			$html = ' '.make_clickable($html);
 		}
 
 		return $html;
@@ -673,7 +673,7 @@ 
 	 *
 	 * @return string
 	 */
-	private function get_when( Event $event ) {
+	private function get_when(Event $event) {
 
 		//$start = $event->start_dt->setTimezone( $event->timezone );
 		//$end   = ! is_null( $event->end_dt ) ? $event->end_dt->setTimezone( $event->timezone ) : null;
@@ -683,41 +683,41 @@ 
 		$time_start = '';
 		$time_end   = '';
 		$start_ts   = $start->timestamp;
-		$end_ts     = ! is_null( $end ) ? $end->timestamp : null;
+		$end_ts     = ! is_null($end) ? $end->timestamp : null;
 		$start_iso  = $start->toIso8601String();
-		$end_iso    = ! is_null( $end ) ? $end->toIso8601String() : null;;
+		$end_iso    = ! is_null($end) ? $end->toIso8601String() : null; ;
 
-		if ( ! $event->whole_day ) {
+		if ( ! $event->whole_day) {
 
-			$time_start = $this->calendar->datetime_separator . ' <span class="simcal-event-start simcal-event-start-time" ' . 'data-event-start="' . $start_ts . '" ' . 'data-event-format="' . $this->calendar->time_format . '" ' . 'itemprop="startDate" content="' . $start_iso . '">' . date_i18n( $this->calendar->time_format, strtotime( $start->toDateTimeString() ) ) . '</span> ';
+			$time_start = $this->calendar->datetime_separator.' <span class="simcal-event-start simcal-event-start-time" '.'data-event-start="'.$start_ts.'" '.'data-event-format="'.$this->calendar->time_format.'" '.'itemprop="startDate" content="'.$start_iso.'">'.date_i18n($this->calendar->time_format, strtotime($start->toDateTimeString())).'</span> ';
 
-			if ( $end instanceof Carbon ) {
+			if ($end instanceof Carbon) {
 
-				$time_end = ' <span class="simcal-event-end simcal-event-end-time" ' . 'data-event-end="' . $end_ts . '" ' . 'data-event-format="' . $this->calendar->time_format . '" ' . 'itemprop="endDate" content="' . $end_iso . '">' . date_i18n( $this->calendar->time_format, strtotime( $end->toDateTimeString() ) ) . '</span> ';
+				$time_end = ' <span class="simcal-event-end simcal-event-end-time" '.'data-event-end="'.$end_ts.'" '.'data-event-format="'.$this->calendar->time_format.'" '.'itemprop="endDate" content="'.$end_iso.'">'.date_i18n($this->calendar->time_format, strtotime($end->toDateTimeString())).'</span> ';
 
 			}
 
 		}
 
-		if ( $event->multiple_days ) {
+		if ($event->multiple_days) {
 
-			$output = ' <span class="simcal-event-start simcal-event-start-date" ' . 'data-event-start="' . $start_ts . '" ' . 'data-event-format="' . $this->calendar->date_format . '" ' . 'itemprop="startDate" content="' . $start_iso . '">' . date_i18n( $this->calendar->date_format, strtotime( $start->toDateTimeString() ) ) . '</span> ' . $time_start;
+			$output = ' <span class="simcal-event-start simcal-event-start-date" '.'data-event-start="'.$start_ts.'" '.'data-event-format="'.$this->calendar->date_format.'" '.'itemprop="startDate" content="'.$start_iso.'">'.date_i18n($this->calendar->date_format, strtotime($start->toDateTimeString())).'</span> '.$time_start;
 
-			if ( $end instanceof Carbon ) {
+			if ($end instanceof Carbon) {
 
-				$output .= '-' . ' <span class="simcal-event-start simcal-event-end-date" ' . 'data-event-start="' . $end_ts . '" ' . 'data-event-format="' . $this->calendar->date_format . '" ' . 'itemprop="endDate" content="' . $end_iso . '">' . date_i18n( $this->calendar->date_format, strtotime( $end->toDateTimeString() ) ) . '</span> ' . $time_end;
+				$output .= '-'.' <span class="simcal-event-start simcal-event-end-date" '.'data-event-start="'.$end_ts.'" '.'data-event-format="'.$this->calendar->date_format.'" '.'itemprop="endDate" content="'.$end_iso.'">'.date_i18n($this->calendar->date_format, strtotime($end->toDateTimeString())).'</span> '.$time_end;
 			}
 
 		} else {
 
-			$time_end = ! empty( $time_start ) && ! empty( $time_end ) ? ' - ' . $time_end : '';
+			$time_end = ! empty($time_start) && ! empty($time_end) ? ' - '.$time_end : '';
 
 			// All-day events also need startDate for schema data.
-			$output = ' <span class="simcal-event-start simcal-event-start-date" ' . 'data-event-start="' . $start_ts . '" ' . 'data-event-format="' . $this->calendar->date_format . '" ' . 'itemprop="startDate" content="' . $start_iso . '">' . date_i18n( $this->calendar->date_format, strtotime( $start->toDateTimeString() ) ) . '</span> ' . $time_start . $time_end;
+			$output = ' <span class="simcal-event-start simcal-event-start-date" '.'data-event-start="'.$start_ts.'" '.'data-event-format="'.$this->calendar->date_format.'" '.'itemprop="startDate" content="'.$start_iso.'">'.date_i18n($this->calendar->date_format, strtotime($start->toDateTimeString())).'</span> '.$time_start.$time_end;
 
 		}
 
-		return trim( $output );
+		return trim($output);
 	}
 
 	/**
@@ -732,52 +732,52 @@ 
 	 *
 	 * @return string
 	 */
-	private function get_dt( $tag, Event $event, $attr ) {
+	private function get_dt($tag, Event $event, $attr) {
 
-		$bound = 0 === strpos( $tag, 'end' ) ? 'end' : 'start';
+		$bound = 0 === strpos($tag, 'end') ? 'end' : 'start';
 
-		if ( ( 'end' == $bound ) && ( false === $event->end ) ) {
+		if (('end' == $bound) && (false === $event->end)) {
 			return '';
 		}
 
-		$dt = $bound . '_dt';
+		$dt = $bound.'_dt';
 
-		if ( ! $event->$dt instanceof Carbon ) {
+		if ( ! $event->$dt instanceof Carbon) {
 			return '';
 		}
 
 		$event_dt = $event->$dt;
 
-		$attr = array_merge( array(
+		$attr = array_merge(array(
 			'format' => '',
-		), (array) shortcode_parse_atts( $attr ) );
+		), (array) shortcode_parse_atts($attr));
 
-		$format    = ltrim( strstr( $tag, '-' ), '-' );
+		$format    = ltrim(strstr($tag, '-'), '-');
 		$dt_format = '';
 
-		if ( ! empty( $attr['format'] ) ) {
-			$dt_format = esc_attr( wp_strip_all_tags( $attr['format'] ) );
-		} elseif ( 'date' == $format ) {
+		if ( ! empty($attr['format'])) {
+			$dt_format = esc_attr(wp_strip_all_tags($attr['format']));
+		} elseif ('date' == $format) {
 			$dt_format = $this->calendar->date_format;
-		} elseif ( 'time' == $format ) {
+		} elseif ('time' == $format) {
 			$dt_format = $this->calendar->time_format;
 		}
 
 		$dt_ts = $event_dt->timestamp;
 
-		if ( 'human' == $format ) {
-			$value = human_time_diff( $dt_ts, Carbon::now( $event->timezone )->getTimestamp() );
+		if ('human' == $format) {
+			$value = human_time_diff($dt_ts, Carbon::now($event->timezone)->getTimestamp());
 
-			if ( $dt_ts < Carbon::now( $event->timezone )->getTimestamp() ) {
-				$value .= ' ' . _x( 'ago', 'human date event builder code modifier', 'google-calendar-events' );
+			if ($dt_ts < Carbon::now($event->timezone)->getTimestamp()) {
+				$value .= ' '._x('ago', 'human date event builder code modifier', 'google-calendar-events');
 			} else {
-				$value .= ' ' . _x( 'from now', 'human date event builder code modifier', 'google-calendar-events' );
+				$value .= ' '._x('from now', 'human date event builder code modifier', 'google-calendar-events');
 			}
 		} else {
-			$value = date_i18n( $dt_format, strtotime( $event_dt->toDateTimeString() ) );
+			$value = date_i18n($dt_format, strtotime($event_dt->toDateTimeString()));
 		}
 
-		return '<span class="simcal-event-' . $bound . ' ' . 'simcal-event-' . $bound . '-' . $format . '" ' . 'data-event-' . $bound . '="' . $dt_ts . '" ' . 'data-event-format="' . $dt_format . '" ' . 'itemprop="' . $bound . 'Date" content="' . $event_dt->toIso8601String() . '">' . $value . '</span>';
+		return '<span class="simcal-event-'.$bound.' '.'simcal-event-'.$bound.'-'.$format.'" '.'data-event-'.$bound.'="'.$dt_ts.'" '.'data-event-format="'.$dt_format.'" '.'itemprop="'.$bound.'Date" content="'.$event_dt->toIso8601String().'">'.$value.'</span>';
 	}
 
 	/**
@@ -793,23 +793,23 @@ 
 	 *
 	 * @return string
 	 */
-	private function make_link( $tag, $url, $content, $attr ) {
+	private function make_link($tag, $url, $content, $attr) {
 
-		if ( empty( $url ) ) {
+		if (empty($url)) {
 			return '';
 		}
 
-		$text = empty( $content ) ? $url : $content;
+		$text = empty($content) ? $url : $content;
 
-		$attr = array_merge( array(
-			'autolink'  => false,   // Convert url to link anchor
-			'newwindow' => false,   // If autolink attribute is true, open link in new window
-		), (array) shortcode_parse_atts( $attr ) );
+		$attr = array_merge(array(
+			'autolink'  => false, // Convert url to link anchor
+			'newwindow' => false, // If autolink attribute is true, open link in new window
+		), (array) shortcode_parse_atts($attr));
 
 		$anchor = $tag != 'url' ? 'yes' : $attr['autolink'];
 		$target = $attr['newwindow'] !== false ? 'target="_blank"' : '';
 
-		return $anchor !== false ? ' <a href="' . esc_url( $url ) . '" ' . $target . '>' . $text . '</a>' : ' ' . $text;
+		return $anchor !== false ? ' <a href="'.esc_url($url).'" '.$target.'>'.$text.'</a>' : ' '.$text;
 	}
 
 	/**
@@ -822,20 +822,20 @@ 
 	 *
 	 * @return string
 	 */
-	private function get_attachments( $attachments ) {
+	private function get_attachments($attachments) {
 
-		$html = '<ul class="simcal-attachments">' . "\n\t";
+		$html = '<ul class="simcal-attachments">'."\n\t";
 
-		foreach ( $attachments as $attachment ) {
+		foreach ($attachments as $attachment) {
 			$html .= '<li class="simcal-attachment">';
-			$html .= '<a href="' . $attachment['url'] . '" target="_blank">';
-			$html .= ! empty( $attachment['icon'] ) ? '<img src="' . $attachment['icon'] . '" />' : '';
-			$html .= '<span>' . $attachment['name'] . '</span>';
+			$html .= '<a href="'.$attachment['url'].'" target="_blank">';
+			$html .= ! empty($attachment['icon']) ? '<img src="'.$attachment['icon'].'" />' : '';
+			$html .= '<span>'.$attachment['name'].'</span>';
 			$html .= '</a>';
-			$html .= '</li>' . "\n";
+			$html .= '</li>'."\n";
 		}
 
-		$html .= '</ul>' . "\n";
+		$html .= '</ul>'."\n";
 
 		return $html;
 	}
@@ -851,41 +851,41 @@ 
 	 *
 	 * @return string
 	 */
-	private function get_attendees( $attendees, $attr ) {
+	private function get_attendees($attendees, $attr) {
 
-		$attr = array_merge( array(
-			'photo'    => 'show',  // show/hide attendee photo
-			'email'    => 'hide',  // show/hide attendee email address
-			'rsvp'     => 'hide',  // show/hide rsvp response status
-			'response' => '',      // filter attendees by rsvp response (yes/no/maybe)
-		), (array) shortcode_parse_atts( $attr ) );
+		$attr = array_merge(array(
+			'photo'    => 'show', // show/hide attendee photo
+			'email'    => 'hide', // show/hide attendee email address
+			'rsvp'     => 'hide', // show/hide rsvp response status
+			'response' => '', // filter attendees by rsvp response (yes/no/maybe)
+		), (array) shortcode_parse_atts($attr));
 
-		$html = '<ul class="simcal-attendees" itemprop="attendees">' . "\n\t";
+		$html = '<ul class="simcal-attendees" itemprop="attendees">'."\n\t";
 
 		$known   = 0;
 		$unknown = 0;
 
-		foreach ( $attendees as $attendee ) {
+		foreach ($attendees as $attendee) {
 
-			if ( 'yes' == $attr['response'] && 'yes' != $attendee['response'] ) {
+			if ('yes' == $attr['response'] && 'yes' != $attendee['response']) {
 				continue;
-			} elseif ( 'no' == $attr['response'] && 'no' != $attendee['response'] ) {
+			} elseif ('no' == $attr['response'] && 'no' != $attendee['response']) {
 				continue;
-			} elseif ( 'maybe' == $attr['response'] && ! in_array( $attendee['response'], array( 'yes', 'maybe' ) ) ) {
+			} elseif ('maybe' == $attr['response'] && ! in_array($attendee['response'], array('yes', 'maybe'))) {
 				continue;
 			}
 
-			if ( ! empty( $attendee['name'] ) ) {
+			if ( ! empty($attendee['name'])) {
 
-				$photo    = 'hide' != $attr['photo'] ? '<img class="avatar avatar-128 photo" src="' . $attendee['photo'] . '" itemprop="image" />' : '';
-				$response = 'hide' != $attr['rsvp'] ? $this->get_rsvp_response( $attendee['response'] ) : '';
-				$guest    = $photo . '<span itemprop="name">' . $attendee['name'] . $response . '</span>';
+				$photo    = 'hide' != $attr['photo'] ? '<img class="avatar avatar-128 photo" src="'.$attendee['photo'].'" itemprop="image" />' : '';
+				$response = 'hide' != $attr['rsvp'] ? $this->get_rsvp_response($attendee['response']) : '';
+				$guest    = $photo.'<span itemprop="name">'.$attendee['name'].$response.'</span>';
 
-				if ( ! empty( $attendee['email'] ) && ( 'show' == $attr['email'] ) ) {
-					$guest = sprintf( '<a href="mailto:' . $attendee['email'] . '" itemprop="email">%s</a>', $guest );
+				if ( ! empty($attendee['email']) && ('show' == $attr['email'])) {
+					$guest = sprintf('<a href="mailto:'.$attendee['email'].'" itemprop="email">%s</a>', $guest);
 				}
 
-				$html .= '<li class="simcal-attendee" itemprop="attendee" itemscope itemtype="http://schema.org/Person">' . $guest . '</li>' . "\n";
+				$html .= '<li class="simcal-attendee" itemprop="attendee" itemscope itemtype="http://schema.org/Person">'.$guest.'</li>'."\n";
 
 				$known++;
 
@@ -896,21 +896,21 @@ 
 			}
 		}
 
-		if ( $unknown > 0 ) {
-			if ( $known > 0 ) {
+		if ($unknown > 0) {
+			if ($known > 0) {
 				/* translators: One more person attending the event. */
-				$others = sprintf( _n( '1 more attendee', '%s more attendees', $unknown, 'google-calendar-events' ), $unknown );
+				$others = sprintf(_n('1 more attendee', '%s more attendees', $unknown, 'google-calendar-events'), $unknown);
 			} else {
 				/* translators: One or more persons attending the event whose name is unknown. */
-				$others = sprintf( _n( '1 anonymous attendee', '%s anonymous attendees', $unknown, 'google-calendar-events' ), $unknown );
+				$others = sprintf(_n('1 anonymous attendee', '%s anonymous attendees', $unknown, 'google-calendar-events'), $unknown);
 			}
-			$photo = $attr['photo'] !== 'hide' ? get_avatar( '', 128 ) : '';
-			$html .= '<li class="simcal-attendee simcal-attendee-anonymous">' . $photo . '<span>' . $others . '</span></li>' . "\n";
-		} elseif ( $known === 0 ) {
-			$html .= '<li class="simcal-attendee">' . _x( 'No one yet', 'No one yet rsvp to attend the event.', 'google-calendar-events' ) . '</li>' . "\n";
+			$photo = $attr['photo'] !== 'hide' ? get_avatar('', 128) : '';
+			$html .= '<li class="simcal-attendee simcal-attendee-anonymous">'.$photo.'<span>'.$others.'</span></li>'."\n";
+		} elseif ($known === 0) {
+			$html .= '<li class="simcal-attendee">'._x('No one yet', 'No one yet rsvp to attend the event.', 'google-calendar-events').'</li>'."\n";
 		}
 
-		$html .= '</ul>' . "\n";
+		$html .= '</ul>'."\n";
 
 		return $html;
 	}
@@ -924,23 +924,23 @@ 
 	 *
 	 * @return string
 	 */
-	private function get_rsvp_response( $response ) {
+	private function get_rsvp_response($response) {
 
-		if ( 'yes' == $response ) {
+		if ('yes' == $response) {
 			/* translators: Someone replied with 'yes' to a rsvp request. */
-			$rsvp = __( 'Attending', 'google-calendar-events' );
-		} elseif ( 'no' == $response ) {
+			$rsvp = __('Attending', 'google-calendar-events');
+		} elseif ('no' == $response) {
 			/* translators: Someone replied with 'no' to a rsvp request. */
-			$rsvp = __( 'Not attending', 'google-calendar-events' );
-		} elseif ( 'maybe' == $response ) {
+			$rsvp = __('Not attending', 'google-calendar-events');
+		} elseif ('maybe' == $response) {
 			/* translators: Someone replied with 'maybe' to a rsvp request. */
-			$rsvp = __( 'Maybe attending', 'google-calendar-events' );
+			$rsvp = __('Maybe attending', 'google-calendar-events');
 		} else {
 			/* translators: Someone did not send yet a rsvp confirmation to join an event. */
-			$rsvp = __( 'Response pending', 'google-calendar-events' );
+			$rsvp = __('Response pending', 'google-calendar-events');
 		}
 
-		return ' <small>(' . $rsvp . ')</small>';
+		return ' <small>('.$rsvp.')</small>';
 	}
 
 	/**
@@ -954,21 +954,21 @@ 
 	 *
 	 * @return string
 	 */
-	private function get_organizer( $organizer, $attr ) {
+	private function get_organizer($organizer, $attr) {
 
-		$attr = array_merge( array(
-			'photo' => 'show',  // show/hide attendee photo
-			'email' => 'hide',  // show/hide attendee email address
-		), (array) shortcode_parse_atts( $attr ) );
+		$attr = array_merge(array(
+			'photo' => 'show', // show/hide attendee photo
+			'email' => 'hide', // show/hide attendee email address
+		), (array) shortcode_parse_atts($attr));
 
-		$photo          = 'hide' != $attr['photo'] ? '<img class="avatar avatar-128 photo" src="' . $organizer['photo'] . '" itemprop="image"  />' : '';
-		$organizer_html = $photo . '<span itemprop="name">' . $organizer['name'] . '</span>';
+		$photo          = 'hide' != $attr['photo'] ? '<img class="avatar avatar-128 photo" src="'.$organizer['photo'].'" itemprop="image"  />' : '';
+		$organizer_html = $photo.'<span itemprop="name">'.$organizer['name'].'</span>';
 
-		if ( ! empty( $organizer['email'] ) && ( 'show' == $attr['email'] ) ) {
-			$organizer_html = sprintf( '<a href="mailto:' . $organizer['email'] . '" itemprop="email">%s</a>', $organizer_html );
+		if ( ! empty($organizer['email']) && ('show' == $attr['email'])) {
+			$organizer_html = sprintf('<a href="mailto:'.$organizer['email'].'" itemprop="email">%s</a>', $organizer_html);
 		}
 
-		return '<div class="simcal-organizer" itemprop="organizer" itemscope itemtype="https://schema.org/Person">' . $organizer_html . '</div>';
+		return '<div class="simcal-organizer" itemprop="organizer" itemscope itemtype="https://schema.org/Person">'.$organizer_html.'</div>';
 	}
 
 	/**
@@ -993,38 +993,38 @@ 
 		// This is largely borrowed on get_shortcode_regex() from WordPress Core.
 		// @see /wp-includes/shortcodes.php (with some modification)
 
-		$tagregexp = implode( '|', array_values( $this->tags ) );
+		$tagregexp = implode('|', array_values($this->tags));
 
-		return '/' . '\\['                              // Opening bracket
+		return '/'.'\\['                              // Opening bracket
 		       . '(\\[?)'                           // 1: Optional second opening bracket for escaping tags: [[tag]]
 		       . "($tagregexp)"                     // 2: Tag name
 		       . '(?![\\w-])'                       // Not followed by word character or hyphen
 		       . '('                                // 3: Unroll the loop: Inside the opening tag
 		       . '[^\\]\\/]*'                   // Not a closing bracket or forward slash
-		       . '(?:' . '\\/(?!\\])'               // A forward slash not followed by a closing bracket
+		       . '(?:'.'\\/(?!\\])'               // A forward slash not followed by a closing bracket
 		       . '[^\\]\\/]*'               // Not a closing bracket or forward slash
-		       . ')*?' . ')' . '(?:' . '(\\/)'                        // 4: Self closing tag ...
+		       . ')*?'.')'.'(?:'.'(\\/)'                        // 4: Self closing tag ...
 		       . '\\]'                          // ... and closing bracket
-		       . '|' . '\\]'                          // Closing bracket
-		       . '(?:' . '('                        // 5: Unroll the loop: Optionally, anything between the opening and closing tags
+		       . '|'.'\\]'                          // Closing bracket
+		       . '(?:'.'('                        // 5: Unroll the loop: Optionally, anything between the opening and closing tags
 		       . '[^\\[]*+'             // Not an opening bracket
-		       . '(?:' . '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing tag
+		       . '(?:'.'\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing tag
 		       . '[^\\[]*+'         // Not an opening bracket
-		       . ')*+' . ')' . '\\[\\/\\2\\]'             // Closing tag
-		       . ')?' . ')' . '(\\]?)'                           // 6: Optional second closing bracket for escaping tags: [[tag]]
+		       . ')*+'.')'.'\\[\\/\\2\\]'             // Closing tag
+		       . ')?'.')'.'(\\]?)'                           // 6: Optional second closing bracket for escaping tags: [[tag]]
 		       . '/s';
 	}
 
 	//allow other plugins to register own event tags
 	private function add_custom_event_tags() {
-		$array = apply_filters( 'simcal_event_tags_add_custom', array() );
+		$array = apply_filters('simcal_event_tags_add_custom', array());
 
 		return $array;
 	}
 
 	//allow other plugins to replace own (registered) event tags with their value
-	private function do_custom_event_tag( $tag, $partial, $attr, $event ) {
-		$returnvalue = apply_filters( 'simcal_event_tags_do_custom', "", $tag, $partial, $attr, $event );
+	private function do_custom_event_tag($tag, $partial, $attr, $event) {
+		$returnvalue = apply_filters('simcal_event_tags_do_custom', "", $tag, $partial, $attr, $event);
 
 		return $returnvalue;
 	}