moonstonemedia / Simple-Calendar

includes/feeds/grouped-calendars.php

Spacing +56 added lines, -56 removed lines

@@ -10,7 +10,7 @@ 
 use SimpleCalendar\Abstracts\Feed;
 use SimpleCalendar\Feeds\Admin\Grouped_Calendars_Admin;
 
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -38,22 +38,22 @@ 
 	 *
 	 * @param string|Calendar $calendar
 	 */
-	public function __construct( $calendar = '' ) {
+	public function __construct($calendar = '') {
 
-		parent::__construct( $calendar );
+		parent::__construct($calendar);
 
 		$this->type = 'grouped-calendars';
-		$this->name = __( 'Grouped Calendar', 'google-calendar-events' );
+		$this->name = __('Grouped Calendar', 'google-calendar-events');
 
-		if ( $this->post_id > 0 ) {
+		if ($this->post_id > 0) {
 			$this->set_source();
-			if ( ! is_admin() || defined( 'DOING_AJAX' ) ) {
+			if ( ! is_admin() || defined('DOING_AJAX')) {
 				$this->events = $this->get_events();
 			}
 		}
 
-		if ( is_admin() && ! defined( 'DOING_AJAX' ) ) {
-			new Grouped_Calendars_Admin( $this );
+		if (is_admin() && ! defined('DOING_AJAX')) {
+			new Grouped_Calendars_Admin($this);
 		}
 	}
 
@@ -64,38 +64,38 @@ 
 	 *
 	 * @param array $ids Array of calendar ids.
 	 */
-	public function set_source( $ids = array() ) {
+	public function set_source($ids = array()) {
 
-		$source = get_post_meta( $this->post_id, '_grouped_calendars_source', true );
+		$source = get_post_meta($this->post_id, '_grouped_calendars_source', true);
 
-		if ( 'ids' == $source ) {
+		if ('ids' == $source) {
 
-			if ( empty( $ids ) ) {
-				$ids = get_post_meta( $this->post_id, '_grouped_calendars_ids', true );
+			if (empty($ids)) {
+				$ids = get_post_meta($this->post_id, '_grouped_calendars_ids', true);
 			}
 
-			$this->calendars_ids = ! empty( $ids ) && is_array( $ids ) ? array_map( 'absint', $ids ) : array();
+			$this->calendars_ids = ! empty($ids) && is_array($ids) ? array_map('absint', $ids) : array();
 
-		} elseif ( 'category' == $source ) {
+		} elseif ('category' == $source) {
 
-			$categories = get_post_meta( $this->post_id, '_grouped_calendars_category', true );
+			$categories = get_post_meta($this->post_id, '_grouped_calendars_category', true);
 
-			if ( $categories && is_array( $categories ) ) {
+			if ($categories && is_array($categories)) {
 
 				$tax_query = array(
 					'taxonomy' => 'calendar_category',
 					'field'    => 'term_id',
-					'terms'    => array_map( 'absint', $categories ),
+					'terms'    => array_map('absint', $categories),
 				);
 
-				$calendars = get_posts( array(
+				$calendars = get_posts(array(
 					'post_type' => 'calendar',
-					'tax_query' => array( $tax_query ),
+					'tax_query' => array($tax_query),
 					'nopaging'  => true,
 					'fields'    => 'ids',
-				) );
+				));
 
-				$this->calendars_ids = ! empty( $calendars ) && is_array( $calendars ) ? $calendars : array();
+				$this->calendars_ids = ! empty($calendars) && is_array($calendars) ? $calendars : array();
 			}
 
 		}
@@ -111,57 +111,57 @@ 
 	public function get_events() {
 
 		$ids    = $this->calendars_ids;
-		$events = get_transient( '_simple-calendar_feed_id_' . strval( $this->post_id ) . '_' . $this->type );
+		$events = get_transient('_simple-calendar_feed_id_'.strval($this->post_id).'_'.$this->type);
 
-		if ( empty( $events ) && ! empty( $ids ) && is_array( $ids ) ) {
+		if (empty($events) && ! empty($ids) && is_array($ids)) {
 
 			$events = array();
 
-			foreach ( $ids as $cal_id ) {
+			foreach ($ids as $cal_id) {
 
-				$calendar = simcal_get_calendar( intval( $cal_id ) );
+				$calendar = simcal_get_calendar(intval($cal_id));
 
-				simcal_delete_feed_transients( $cal_id );
+				simcal_delete_feed_transients($cal_id);
 
-				if ( $calendar instanceof Calendar ) {
+				if ($calendar instanceof Calendar) {
 
 					// Sometimes the calendars might have events at the same time from different calendars
 					// When merging the arrays together some of the events will be lost because the keys are the same and one will overwrite the other
 					// This snippet checks if the key already exists in the master events array and if it does it subtracts 1 from it to make the key unique and then unsets the original key.
-					foreach( $calendar->events as $k => $v ) {
-						$calendar->events[ $this->update_array_timestamp( $events, $k ) ] = $v;
+					foreach ($calendar->events as $k => $v) {
+						$calendar->events[$this->update_array_timestamp($events, $k)] = $v;
 					}
 
-					$events = is_array( $calendar->events ) ? $events + $calendar->events : $events;
+					$events = is_array($calendar->events) ? $events + $calendar->events : $events;
 				}
 
 			}
 
-			if ( ! empty( $events ) ) {
+			if ( ! empty($events)) {
 
 				// Trim events to set the earliest one as specified in feed settings.
-				$earliest_event = intval( $this->time_min );
-				if ( $earliest_event > 0 ) {
-					$events = $this->array_filter_key( $events, array( $this, 'filter_events_before' ) );
+				$earliest_event = intval($this->time_min);
+				if ($earliest_event > 0) {
+					$events = $this->array_filter_key($events, array($this, 'filter_events_before'));
 				}
 
 				// Trim events to set the latest one as specified in feed settings.
-				$latest_event = intval( $this->time_max );
-				if ( $latest_event > 0 ) {
-					$events = $this->array_filter_key( $events, array( $this, 'filter_events_after' ) );
+				$latest_event = intval($this->time_max);
+				if ($latest_event > 0) {
+					$events = $this->array_filter_key($events, array($this, 'filter_events_after'));
 				}
 
 				set_transient(
-					'_simple-calendar_feed_id_' . strval( $this->post_id ) . '_' . $this->type,
+					'_simple-calendar_feed_id_'.strval($this->post_id).'_'.$this->type,
 					$events,
-					absint( $this->cache )
+					absint($this->cache)
 				);
 			}
 
 		}
 	
 		// Sort events by start time before returning
-		uasort( $events, array( $this, 'sort_by_start_time' ) );
+		uasort($events, array($this, 'sort_by_start_time'));
 
 		return $events;
 	}
@@ -169,10 +169,10 @@ 
 	/*
 	 * Recursive function to adjust the timestamp array indices that are the same.
 	 */
-	public function update_array_timestamp( $arr, $i ) {
+	public function update_array_timestamp($arr, $i) {
 
-		if ( array_key_exists( $i, $arr ) ) {
-			$i = $this->update_array_timestamp( $arr, $i - 1 );
+		if (array_key_exists($i, $arr)) {
+			$i = $this->update_array_timestamp($arr, $i - 1);
 		}
 
 		return $i;
@@ -184,12 +184,12 @@ 
 	 * @since  3.0.13
 	 * @access private
 	 */
-	private function sort_by_start_time( $a, $b ) {
-		if ( $a == $b ) {
+	private function sort_by_start_time($a, $b) {
+		if ($a == $b) {
 			return 0;
 		}
 
-		return ( $a[0]->start < $b[0]->start ) ? -1 : 1;
+		return ($a[0]->start < $b[0]->start) ? -1 : 1;
 	}
 
 
@@ -207,9 +207,9 @@ 
 	 *
 	 * @return array
 	 */
-	private function array_filter_key( array $array, $callback ) {
-		$matched_keys = array_filter( array_keys( $array ), $callback );
-		return array_intersect_key( $array, array_flip( $matched_keys ) );
+	private function array_filter_key(array $array, $callback) {
+		$matched_keys = array_filter(array_keys($array), $callback);
+		return array_intersect_key($array, array_flip($matched_keys));
 	}
 
 	/**
@@ -222,9 +222,9 @@ 
 	 *
 	 * @return bool
 	 */
-	private function filter_events_before( $event ) {
-		if ( $this->time_min !== 0 ) {
-			return intval( $event ) > intval( $this->time_min );
+	private function filter_events_before($event) {
+		if ($this->time_min !== 0) {
+			return intval($event) > intval($this->time_min);
 		}
 		return true;
 	}
@@ -239,9 +239,9 @@ 
 	 *
 	 * @return bool
 	 */
-	private function filter_events_after( $event ) {
-		if ( $this->time_max !== 0 ) {
-			return intval( $event ) < intval( $this->time_max );
+	private function filter_events_after($event) {
+		if ($this->time_max !== 0) {
+			return intval($event) < intval($this->time_max);
 		}
 		return true;
 	}

includes/objects.php

Spacing +87 added lines, -87 removed lines

@@ -8,7 +8,7 @@ 
 
 use SimpleCalendar\Abstracts as Object;
 
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -31,27 +31,27 @@ 
 	public function __construct() {
 
 		// Add default feed type.
-		add_filter( 'simcal_get_feed_types', function( $feed_types ) {
-			return array_merge( $feed_types, array(
+		add_filter('simcal_get_feed_types', function($feed_types) {
+			return array_merge($feed_types, array(
 				'google',
 				'grouped-calendars',
-			) );
-		}, 10, 1 );
+			));
+		}, 10, 1);
 
 		// Add default calendar type.
-		add_filter( 'simcal_get_calendar_types', function( $calendar_types ) {
-			return array_merge( $calendar_types, array(
+		add_filter('simcal_get_calendar_types', function($calendar_types) {
+			return array_merge($calendar_types, array(
 				'default-calendar' => array(
 					'grid',
 					'list',
 				),
-			) );
-		}, 10, 1 );
+			));
+		}, 10, 1);
 
 		// Add default admin objects.
-		if ( $is_admin = is_admin() ) {
-			add_filter( 'simcal_get_admin_pages', function( $admin_pages ) {
-				return array_merge( $admin_pages, array(
+		if ($is_admin = is_admin()) {
+			add_filter('simcal_get_admin_pages', function($admin_pages) {
+				return array_merge($admin_pages, array(
 					'add-ons' => array(
 						'add-ons',
 					),
@@ -63,11 +63,11 @@ 
 					'tools' => array(
 						'system-status',
 					),
-				) );
-			}, 10, 1 );
+				));
+			}, 10, 1);
 		}
 
-		do_action( 'simcal_load_objects', $is_admin );
+		do_action('simcal_load_objects', $is_admin);
 	}
 
 	/**
@@ -78,8 +78,8 @@ 
 	 * @return array
 	 */
 	public function get_feed_types() {
-		$array = apply_filters( 'simcal_get_feed_types', array() );
-		ksort( $array );
+		$array = apply_filters('simcal_get_feed_types', array());
+		ksort($array);
 		return $array;
 	}
 
@@ -91,8 +91,8 @@ 
 	 * @return array
 	 */
 	public function get_calendar_types() {
-		$array = apply_filters( 'simcal_get_calendar_types', array() );
-		ksort( $array );
+		$array = apply_filters('simcal_get_calendar_types', array());
+		ksort($array);
 		return $array;
 	}
 
@@ -104,7 +104,7 @@ 
 	 * @return array
 	 */
 	public function get_admin_pages() {
-		return apply_filters( 'simcal_get_admin_pages', array() );
+		return apply_filters('simcal_get_admin_pages', array());
 	}
 
 	/**
@@ -118,30 +118,30 @@ 
 	 *
 	 * @return null|Object\Calendar
 	 */
-	public function get_calendar( $object ) {
+	public function get_calendar($object) {
 
-		if ( is_string( $object ) ) {
-			return ! empty( $object ) ? $this->get_object( $object, 'calendar', '' ) : null;
+		if (is_string($object)) {
+			return ! empty($object) ? $this->get_object($object, 'calendar', '') : null;
 		}
 
-		if ( is_object( $object ) ) {
-			if ( $object instanceof Object\Calendar ) {
-				return $this->get_object( $object->type, 'feed', $object );
-			} elseif ( $object instanceof \WP_Post ) {
-				if ( $type = wp_get_object_terms( $object->ID, 'calendar_type' ) ) {
-					$name = sanitize_title( current( $type )->name );
-					return $this->get_object( $name, 'calendar', $object );
+		if (is_object($object)) {
+			if ($object instanceof Object\Calendar) {
+				return $this->get_object($object->type, 'feed', $object);
+			} elseif ($object instanceof \WP_Post) {
+				if ($type = wp_get_object_terms($object->ID, 'calendar_type')) {
+					$name = sanitize_title(current($type)->name);
+					return $this->get_object($name, 'calendar', $object);
 				}
-			} elseif ( isset( $object->type ) && isset( $object->id ) ) {
-				return $this->get_object( $object->type, 'calendar', $object->id );
+			} elseif (isset($object->type) && isset($object->id)) {
+				return $this->get_object($object->type, 'calendar', $object->id);
 			}
 		}
 
-		if ( is_int( $object ) ) {
-			$post = get_post( $object );
-			if ( $post && ( $type = wp_get_object_terms( $post->ID, 'calendar_type' ) ) ) {
-				$name = sanitize_title( current( $type )->name );
-				return $this->get_object( $name, 'calendar', $post );
+		if (is_int($object)) {
+			$post = get_post($object);
+			if ($post && ($type = wp_get_object_terms($post->ID, 'calendar_type'))) {
+				$name = sanitize_title(current($type)->name);
+				return $this->get_object($name, 'calendar', $post);
 			}
 		}
 
@@ -158,20 +158,20 @@ 
 	 *
 	 * @return null|Object\Calendar_View
 	 */
-	public function get_calendar_view( $id = 0, $name = '' ) {
+	public function get_calendar_view($id = 0, $name = '') {
 
-		if ( ! $name && $id > 0 ) {
+		if ( ! $name && $id > 0) {
 
-			$calendar_view = get_post_meta( $id, '_calendar_view', true );
+			$calendar_view = get_post_meta($id, '_calendar_view', true);
 
-			if ( $terms = wp_get_object_terms( $id, 'calendar_type' ) ) {
-				$calendar_type = sanitize_title( current( $terms )->name );
-				$name = isset( $calendar_view[ $calendar_type ] ) ? $calendar_type . '-' . $calendar_view[ $calendar_type ] : '';
+			if ($terms = wp_get_object_terms($id, 'calendar_type')) {
+				$calendar_type = sanitize_title(current($terms)->name);
+				$name = isset($calendar_view[$calendar_type]) ? $calendar_type.'-'.$calendar_view[$calendar_type] : '';
 			}
 
 		}
 
-		return $name ? $this->get_object( $name, 'calendar-view', '' ) : null;
+		return $name ? $this->get_object($name, 'calendar-view', '') : null;
 	}
 
 	/**
@@ -185,41 +185,41 @@ 
 	 *
 	 * @return null|Object\Feed
 	 */
-	public function get_feed( $object ) {
+	public function get_feed($object) {
 
-		if ( is_string( $object ) ) {
-			return ! empty( $object ) ? $this->get_object( $object, 'feed', '' ) : null;
+		if (is_string($object)) {
+			return ! empty($object) ? $this->get_object($object, 'feed', '') : null;
 		}
 
-		if ( is_object( $object ) ) {
-			if ( $object instanceof Object\Calendar ) {
+		if (is_object($object)) {
+			if ($object instanceof Object\Calendar) {
 				$feed_name = '';
-				if ( empty( $object->feed ) ) {
-					if ( $feed_type = wp_get_object_terms( $object->id, 'feed_type' ) ) {
-						$feed_name = sanitize_title( current( $feed_type )->name );
+				if (empty($object->feed)) {
+					if ($feed_type = wp_get_object_terms($object->id, 'feed_type')) {
+						$feed_name = sanitize_title(current($feed_type)->name);
 					}
 				} else {
 					$feed_name = $object->feed;
 				}
-				return $this->get_object( $feed_name, 'feed', $object );
-			} elseif ( $object instanceof \WP_Post ) {
-				$calendar = $this->get_calendar( $object );
+				return $this->get_object($feed_name, 'feed', $object);
+			} elseif ($object instanceof \WP_Post) {
+				$calendar = $this->get_calendar($object);
 
-				if ( isset( $calendar->feed ) ) {
-					return $this->get_object( $calendar->feed, 'feed', $calendar );
+				if (isset($calendar->feed)) {
+					return $this->get_object($calendar->feed, 'feed', $calendar);
 				} else {
 					return null;
 				}
 
 
-			} elseif ( isset( $object->feed ) && isset( $object->id ) ) {
-				return $this->get_object( $object->feed, 'feed', $object );
+			} elseif (isset($object->feed) && isset($object->id)) {
+				return $this->get_object($object->feed, 'feed', $object);
 			}
 		}
 
-		if ( is_int( $object ) ) {
-			$calendar = $this->get_calendar( $object );
-			return isset( $calendar->feed ) ? $this->get_object( $calendar->feed, 'feed', $calendar ) : null;
+		if (is_int($object)) {
+			$calendar = $this->get_calendar($object);
+			return isset($calendar->feed) ? $this->get_object($calendar->feed, 'feed', $calendar) : null;
 		}
 
 		return null;
@@ -235,13 +235,13 @@ 
 	 *
 	 * @return null|Object\Field
 	 */
-	public function get_field( $args, $name = '' ) {
+	public function get_field($args, $name = '') {
 
-		if ( empty( $name ) ) {
-			$name = isset( $args['type'] ) ? $args['type'] : false;
+		if (empty($name)) {
+			$name = isset($args['type']) ? $args['type'] : false;
 		}
 
-		return $name ? $this->get_object( $name, 'field', $args ) : null;
+		return $name ? $this->get_object($name, 'field', $args) : null;
 	}
 
 	/**
@@ -253,8 +253,8 @@ 
 	 *
 	 * @return null|Object\Admin_Page
 	 */
-	public function get_admin_page( $name ) {
-		return $name ? $this->get_object( $name, 'admin-page' ) : null;
+	public function get_admin_page($name) {
+		return $name ? $this->get_object($name, 'admin-page') : null;
 	}
 
 	/**
@@ -269,7 +269,7 @@ 
 	 *
 	 * @return null|Object
 	 */
-	private function get_object( $name, $type, $args = '' ) {
+	private function get_object($name, $type, $args = '') {
 
 		$types = array(
 			'admin-page',
@@ -279,11 +279,11 @@ 
 			'field',
 		);
 
-		if ( in_array( $type, $types ) ) {
+		if (in_array($type, $types)) {
 
-			$class_name = $this->make_class_name( $name, $type );
-			$parent     = '\\' . __NAMESPACE__ . '\Abstracts\\' . implode( '_', array_map( 'ucfirst', explode( '-', $type ) ) );
-			$class      = class_exists( $class_name ) ? new $class_name( $args ) : false;
+			$class_name = $this->make_class_name($name, $type);
+			$parent     = '\\'.__NAMESPACE__.'\Abstracts\\'.implode('_', array_map('ucfirst', explode('-', $type)));
+			$class      = class_exists($class_name) ? new $class_name($args) : false;
 
 			return $class instanceof $parent ? $class : null;
 		}
@@ -305,25 +305,25 @@ 
 	 *
 	 * @return string The class name complete with its full namespace.
 	 */
-	private function make_class_name( $name, $type ) {
-
-		if ( 'calendar' == $type ) {
-			$namespace = '\\' . __NAMESPACE__ . '\Calendars\\';
-		} elseif ( 'calendar-view' == $type ) {
-			$namespace = '\\' . __NAMESPACE__ . '\Calendars\Views\\';
-		} elseif ( 'feed' == $type ) {
-			$namespace = '\\' . __NAMESPACE__ . '\Feeds\\';
-		} elseif ( 'field' == $type ) {
-			$namespace = '\\' . __NAMESPACE__ . '\Admin\Fields\\';
-		} elseif ( 'admin-page' == $type ) {
-			$namespace = '\\' . __NAMESPACE__ . '\Admin\Pages\\';
+	private function make_class_name($name, $type) {
+
+		if ('calendar' == $type) {
+			$namespace = '\\'.__NAMESPACE__.'\Calendars\\';
+		} elseif ('calendar-view' == $type) {
+			$namespace = '\\'.__NAMESPACE__.'\Calendars\Views\\';
+		} elseif ('feed' == $type) {
+			$namespace = '\\'.__NAMESPACE__.'\Feeds\\';
+		} elseif ('field' == $type) {
+			$namespace = '\\'.__NAMESPACE__.'\Admin\Fields\\';
+		} elseif ('admin-page' == $type) {
+			$namespace = '\\'.__NAMESPACE__.'\Admin\Pages\\';
 		} else {
 			return '';
 		}
 
-		$class_name = implode( '_', array_map( 'ucfirst', explode( '-', $name ) ) );
+		$class_name = implode('_', array_map('ucfirst', explode('-', $name)));
 
-		return $namespace . $class_name;
+		return $namespace.$class_name;
 	}
 
 }

includes/admin/metaboxes/settings.php

Spacing +286 added lines, -286 removed lines

@@ -11,7 +11,7 @@ 
 use SimpleCalendar\Abstracts\Feed;
 use SimpleCalendar\Abstracts\Field;
 
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -31,40 +31,40 @@ 
 	 *
 	 * @param \WP_Post $post
 	 */
-	public static function html( $post ) {
+	public static function html($post) {
 
 		// @see Meta_Boxes::save_meta_boxes()
-		wp_nonce_field( 'simcal_save_data', 'simcal_meta_nonce' );
+		wp_nonce_field('simcal_save_data', 'simcal_meta_nonce');
 
 		?>
 		<div class="simcal-panels-wrap">
 
 			<span class="simcal-box-handle">
-				<?php self::settings_handle( $post ); ?>
+				<?php self::settings_handle($post); ?>
 			</span>
 
 			<ul class="simcal-tabs">
-				<?php self::settings_tabs( $post ); ?>
-				<?php do_action( 'simcal_settings_meta_tabs' ); ?>
+				<?php self::settings_tabs($post); ?>
+				<?php do_action('simcal_settings_meta_tabs'); ?>
 			</ul>
 
 			<div class="simcal-panels">
 				<div id="events-settings-panel" class="simcal-panel">
-					<?php self::events_settings_panel( $post ); ?>
-					<?php do_action( 'simcal_settings_meta_events_panel', $post->ID ); ?>
+					<?php self::events_settings_panel($post); ?>
+					<?php do_action('simcal_settings_meta_events_panel', $post->ID); ?>
 				</div>
 				<div id="calendar-settings-panel" class="simcal-panel">
-					<?php do_action( 'simcal_settings_meta_calendar_panel', $post->ID ); ?>
-					<?php self::calendar_settings_panel( $post ); ?>
+					<?php do_action('simcal_settings_meta_calendar_panel', $post->ID); ?>
+					<?php self::calendar_settings_panel($post); ?>
 				</div>
 				<?php
 				// Hook for additional settings panels.
-				do_action( 'simcal_settings_meta_panels', $post->ID );
+				do_action('simcal_settings_meta_panels', $post->ID);
 				// Thus advanced panel is always the last one:
 				?>
 				<div id="advanced-settings-panel" class="simcal-panel">
-					<?php self::advanced_settings_panel( $post ) ?>
-					<?php do_action( 'simcal_settings_meta_advanced_panel', $post->ID ); ?>
+					<?php self::advanced_settings_panel($post) ?>
+					<?php do_action('simcal_settings_meta_advanced_panel', $post->ID); ?>
 				</div>
 			</div>
 
@@ -84,45 +84,45 @@ 
 	 *
 	 * @param \WP_Post $post
 	 */
-	private static function settings_handle( $post ) {
+	private static function settings_handle($post) {
 
 		$feed_options = $calendar_options = $calendar_views = array();
 
 		$feed_types = simcal_get_feed_types();
-		foreach ( $feed_types as $feed_type ) {
+		foreach ($feed_types as $feed_type) {
 
-			$feed = simcal_get_feed( $feed_type );
+			$feed = simcal_get_feed($feed_type);
 
-			if ( $feed instanceof Feed ) {
-				$feed_options[ $feed_type ] = $feed->name;
+			if ($feed instanceof Feed) {
+				$feed_options[$feed_type] = $feed->name;
 			}
 		}
 
 		$calendar_types = simcal_get_calendar_types();
-		foreach ( $calendar_types as $calendar_type => $views ) {
+		foreach ($calendar_types as $calendar_type => $views) {
 
-			$calendar = simcal_get_calendar( $calendar_type );
+			$calendar = simcal_get_calendar($calendar_type);
 
-			if ( $calendar instanceof Calendar ) {
-				$calendar_options[ $calendar_type ] = $calendar->name;
-				$calendar_views[ $calendar_type ]   = $calendar->views;
+			if ($calendar instanceof Calendar) {
+				$calendar_options[$calendar_type] = $calendar->name;
+				$calendar_views[$calendar_type]   = $calendar->views;
 			}
 		}
 
-		if ( $feed_options ) {
+		if ($feed_options) {
 
-			if ( $feed_types = wp_get_object_terms( $post->ID, 'calendar_feed' ) ) {
-				$feed_type = sanitize_title( current( $feed_types )->name );
+			if ($feed_types = wp_get_object_terms($post->ID, 'calendar_feed')) {
+				$feed_type = sanitize_title(current($feed_types)->name);
 			} else {
-				$feed_type = apply_filters( 'simcal_default_feed_type', 'google' );
+				$feed_type = apply_filters('simcal_default_feed_type', 'google');
 			}
 
 			?>
-			<label for="_feed_type"><span><?php _e( 'Event Source', 'google-calendar-events' ); ?></span>
+			<label for="_feed_type"><span><?php _e('Event Source', 'google-calendar-events'); ?></span>
 				<select name="_feed_type" id="_feed_type">
-					<optgroup label="<?php _ex( 'Get events from', 'From which calendar source to load events from', 'google-calendar-events' ) ?>">
-						<?php foreach ( $feed_options as $feed => $name ) { ?>
-							<option value="<?php echo $feed; ?>" <?php selected( $feed, $feed_type, true ); ?>><?php echo $name; ?></option>
+					<optgroup label="<?php _ex('Get events from', 'From which calendar source to load events from', 'google-calendar-events') ?>">
+						<?php foreach ($feed_options as $feed => $name) { ?>
+							<option value="<?php echo $feed; ?>" <?php selected($feed, $feed_type, true); ?>><?php echo $name; ?></option>
 						<?php } ?>
 					</optgroup>
 				</select>
@@ -131,40 +131,40 @@ 
 
 		}
 
-		if ( $calendar_options ) {
+		if ($calendar_options) {
 
-			if ( $calendar_types = wp_get_object_terms( $post->ID, 'calendar_type' ) ) {
-				$calendar_type = sanitize_title( current( $calendar_types )->name );
+			if ($calendar_types = wp_get_object_terms($post->ID, 'calendar_type')) {
+				$calendar_type = sanitize_title(current($calendar_types)->name);
 			} else {
-				$calendar_type = apply_filters( 'simcal_default_calendar_type', 'default-calendar' );
+				$calendar_type = apply_filters('simcal_default_calendar_type', 'default-calendar');
 			}
 
 			?>
-			<label for="_calendar_type"><span><?php _e( 'Calendar', 'google-calendar-events' ); ?></span>
+			<label for="_calendar_type"><span><?php _e('Calendar', 'google-calendar-events'); ?></span>
 				<select name="_calendar_type" id="_calendar_type">
-					<optgroup label="<?php _e( 'Calendar to use', 'google-calendar-events' ); ?>">
-						<?php foreach ( $calendar_options as $calendar => $name ) { ?>
-							<option value="<?php echo $calendar; ?>" <?php selected( $calendar, $calendar_type, true ); ?>><?php echo $name; ?></option>
+					<optgroup label="<?php _e('Calendar to use', 'google-calendar-events'); ?>">
+						<?php foreach ($calendar_options as $calendar => $name) { ?>
+							<option value="<?php echo $calendar; ?>" <?php selected($calendar, $calendar_type, true); ?>><?php echo $name; ?></option>
 						<?php } ?>
 					</optgroup>
 				</select>
 			</label>
 			<?php
 
-			if ( $calendar_views ) {
+			if ($calendar_views) {
 
-				$calendar_view = get_post_meta( $post->ID, '_calendar_view', true );
+				$calendar_view = get_post_meta($post->ID, '_calendar_view', true);
 
-				foreach ( $calendar_views as $calendar => $views ) {
+				foreach ($calendar_views as $calendar => $views) {
 
-					$calendar_type_view = isset( $calendar_view[ $calendar ] ) ? $calendar_view[ $calendar ] : '';
+					$calendar_type_view = isset($calendar_view[$calendar]) ? $calendar_view[$calendar] : '';
 
 					?>
-					<label for="_calendar_view_<?php echo $calendar; ?>"><span><?php _e( 'View', 'google-calendar-events' ); ?></span>
+					<label for="_calendar_view_<?php echo $calendar; ?>"><span><?php _e('View', 'google-calendar-events'); ?></span>
 						<select name="_calendar_view[<?php echo $calendar; ?>]" id="_calendar_view_<?php echo $calendar; ?>">
-							<optgroup label="<?php _e( 'View to display', 'google-calendar-events' ); ?>">
-								<?php foreach ( $views as $view => $name ) { ?>
-									<option value="<?php echo $view; ?>" <?php selected( $view, $calendar_type_view, true ); ?>><?php echo $name; ?></option>
+							<optgroup label="<?php _e('View to display', 'google-calendar-events'); ?>">
+								<?php foreach ($views as $view => $name) { ?>
+									<option value="<?php echo $view; ?>" <?php selected($view, $calendar_type_view, true); ?>><?php echo $name; ?></option>
 								<?php } ?>
 							</optgroup>
 						</select>
@@ -184,42 +184,42 @@ 
 	 *
 	 * @param  \WP_Post $post
 	 */
-	private static function settings_tabs( $post ) {
+	private static function settings_tabs($post) {
 
 		// Hook to add more tabs.
-		$tabs = apply_filters( 'simcal_settings_meta_tabs_li', array(
+		$tabs = apply_filters('simcal_settings_meta_tabs_li', array(
 			'events' => array(
-				'label'   => __( 'Events', 'google-calendar-events' ),
+				'label'   => __('Events', 'google-calendar-events'),
 				'target'  => 'events-settings-panel',
-				'class'   => array( 'active' ),
+				'class'   => array('active'),
 				'icon'    => 'simcal-icon-event',
 			),
 			'calendar' => array(
-				'label'  => __( 'Appearance', 'google-calendar-events' ),
+				'label'  => __('Appearance', 'google-calendar-events'),
 				'target' => 'calendar-settings-panel',
 				'class'  => array(),
 				'icon'   => 'simcal-icon-calendar',
 			),
-		), $post->ID );
+		), $post->ID);
 
 		// Always keep advanced tab as the last one.
 		$tabs['advanced'] = array(
-			'label'   => __( 'Advanced', 'google-calendar-events' ),
+			'label'   => __('Advanced', 'google-calendar-events'),
 			'target'  => 'advanced-settings-panel',
 			'class'   => array(),
 			'icon'    => 'simcal-icon-settings',
 		);
 
 		// Output the tabs as list items.
-		foreach ( $tabs as $key => $tab ) {
+		foreach ($tabs as $key => $tab) {
 
-			if ( isset( $tab['target'] ) && isset( $tab['label'] ) ) {
+			if (isset($tab['target']) && isset($tab['label'])) {
 
 				$icon  = $tab['icon'] ? $tab['icon'] : 'simcal-icon-panel';
 				$class = $tab['class'] ? $tab['class'] : array();
 
-				echo '<li class="' . $key . '-settings ' . $key . '-tab ' . implode( ' ', $class ) . '" data-tab="' . $key . '">';
-				echo    '<a href="#' . $tab['target'] . '"><i class="' . $icon . '" ></i> <span>' . esc_html( $tab['label'] ) . '</span></a>';
+				echo '<li class="'.$key.'-settings '.$key.'-tab '.implode(' ', $class).'" data-tab="'.$key.'">';
+				echo    '<a href="#'.$tab['target'].'"><i class="'.$icon.'" ></i> <span>'.esc_html($tab['label']).'</span></a>';
 				echo '</li>';
 			}
 		}
@@ -233,22 +233,22 @@ 
 	 *
 	 * @param  \WP_Post $post
 	 */
-	private static function events_settings_panel( $post ) {
+	private static function events_settings_panel($post) {
 
 		?>
 		<table>
 			<thead>
-			<tr><th colspan="2"><?php _e( 'Events setting', 'google-calendar-events' ); ?></th></tr>
+			<tr><th colspan="2"><?php _e('Events setting', 'google-calendar-events'); ?></th></tr>
 			</thead>
 			<tbody class="simcal-panel-section simcal-panel-section-events-range">
 			<tr class="simcal-panel-field">
-				<th><label for="_calendar_begins"><?php _e( 'Calendar start', 'google-calendar-events' ); ?></label></th>
+				<th><label for="_calendar_begins"><?php _e('Calendar start', 'google-calendar-events'); ?></label></th>
 				<td>
 					<?php
 
-					$calendar_begins = esc_attr( get_post_meta( $post->ID, '_calendar_begins', true ) );
-					$calendar_begins_nth = max( absint( get_post_meta( $post->ID, '_calendar_begins_nth', true ) ), 1 );
-					$calendar_begins_nth_show = in_array( $calendar_begins, array(
+					$calendar_begins = esc_attr(get_post_meta($post->ID, '_calendar_begins', true));
+					$calendar_begins_nth = max(absint(get_post_meta($post->ID, '_calendar_begins_nth', true)), 1);
+					$calendar_begins_nth_show = in_array($calendar_begins, array(
 						'days_before',
 						'days_after',
 						'weeks_before',
@@ -257,14 +257,14 @@ 
 						'months_after',
 						'years_before',
 						'years_after',
-					) );
+					));
 
-					simcal_print_field( array(
+					simcal_print_field(array(
 						'type'       => 'standard',
 						'subtype'    => 'number',
 						'name'       => '_calendar_begins_nth',
 						'id'         => '_calendar_begins_nth',
-						'value'      => strval( $calendar_begins_nth ),
+						'value'      => strval($calendar_begins_nth),
 						'attributes' => array(
 							'min' => '1',
 						),
@@ -272,97 +272,97 @@ 
 							'simcal-field-inline',
 							'simcal-field-tiny',
 						),
-						'style'      => ! $calendar_begins_nth_show ? array( 'display' => 'none' ) : '',
-					) );
+						'style'      => ! $calendar_begins_nth_show ? array('display' => 'none') : '',
+					));
 
 					?>
 					<select name="_calendar_begins"
 							id="_calendar_begins"
 							class="simcal-field simcal-field-select simcal-field-inline simcal-field-switch-other">
-						<optgroup label="<?php _e( 'Days', 'google-calendar-events' ); ?>">
+						<optgroup label="<?php _e('Days', 'google-calendar-events'); ?>">
 							<option value="today"
 									data-hide-fields="_calendar_begins_custom_date,_calendar_begins_nth"
-								<?php selected( 'today', $calendar_begins, true ); ?>><?php _e( 'Today', 'google-calendar-events' ); ?></option>
+								<?php selected('today', $calendar_begins, true); ?>><?php _e('Today', 'google-calendar-events'); ?></option>
 							<option value="now"
 									data-hide-fields="_calendar_begins_custom_date,_calendar_begins_nth"
-								<?php selected( 'now', $calendar_begins, true ); ?>><?php _e( 'Now', 'google-calendar-events' ); ?></option>
+								<?php selected('now', $calendar_begins, true); ?>><?php _e('Now', 'google-calendar-events'); ?></option>
 							<option value="days_before"
 									data-hide-field="_calendar_begins_custom_date"
-									data-show-field="_calendar_begins_nth" <?php selected( 'days_before', $calendar_begins, true ); ?>><?php _e( 'Day(s) before today', 'google-calendar-events' ); ?></option>
+									data-show-field="_calendar_begins_nth" <?php selected('days_before', $calendar_begins, true); ?>><?php _e('Day(s) before today', 'google-calendar-events'); ?></option>
 							<option value="days_after"
 									data-hide-field="_calendar_begins_custom_date"
-									data-show-field="_calendar_begins_nth" <?php selected( 'days_after', $calendar_begins, true ); ?>><?php _e( 'Day(s) after today', 'google-calendar-events' ); ?></option>
+									data-show-field="_calendar_begins_nth" <?php selected('days_after', $calendar_begins, true); ?>><?php _e('Day(s) after today', 'google-calendar-events'); ?></option>
 						</optgroup>
-						<optgroup label="<?php _e( 'Weeks', 'google-calendar-events' ); ?>">
+						<optgroup label="<?php _e('Weeks', 'google-calendar-events'); ?>">
 							<option value="this_week"
 									data-hide-fields="_calendar_begins_custom_date,_calendar_begins_nth"
-								<?php selected( 'this_week', $calendar_begins, true ); ?>><?php _e( 'This week', 'google-calendar-events' ); ?></option>
+								<?php selected('this_week', $calendar_begins, true); ?>><?php _e('This week', 'google-calendar-events'); ?></option>
 							<option value="weeks_before"
 									data-hide-field="_calendar_begins_custom_date"
-									data-show-field="_calendar_begins_nth" <?php selected( 'weeks_before', $calendar_begins, true ); ?>><?php _e( 'Week(s) before current', 'google-calendar-events' ); ?></option>
+									data-show-field="_calendar_begins_nth" <?php selected('weeks_before', $calendar_begins, true); ?>><?php _e('Week(s) before current', 'google-calendar-events'); ?></option>
 							<option value="weeks_after"
 									data-hide-field="_calendar_begins_custom_date"
-									data-show-field="_calendar_begins_nth" <?php selected( 'weeks_after', $calendar_begins, true ); ?>><?php _e( 'Week(s) after current', 'google-calendar-events' ); ?></option>
+									data-show-field="_calendar_begins_nth" <?php selected('weeks_after', $calendar_begins, true); ?>><?php _e('Week(s) after current', 'google-calendar-events'); ?></option>
 						</optgroup>
-						<optgroup label="<?php _e( 'Months', 'google-calendar-events' ); ?>">
+						<optgroup label="<?php _e('Months', 'google-calendar-events'); ?>">
 							<option value="this_month"
 									data-hide-fields="_calendar_begins_custom_date,_calendar_begins_nth"
-								<?php selected( 'this_month', $calendar_begins, true ); ?>><?php _e( 'This month', 'google-calendar-events' ); ?></option>
+								<?php selected('this_month', $calendar_begins, true); ?>><?php _e('This month', 'google-calendar-events'); ?></option>
 							<option value="months_before"
 									data-hide-field="_calendar_begins_custom_date"
-									data-show-field="_calendar_begins_nth" <?php selected( 'months_before', $calendar_begins, true ); ?>><?php _e( 'Month(s) before current', 'google-calendar-events' ); ?></option>
+									data-show-field="_calendar_begins_nth" <?php selected('months_before', $calendar_begins, true); ?>><?php _e('Month(s) before current', 'google-calendar-events'); ?></option>
 							<option value="months_after"
 									data-hide-field="_calendar_begins_custom_date"
-									data-show-field="_calendar_begins_nth" <?php selected( 'months_after', $calendar_begins, true ); ?>><?php _e( 'Month(s) after current', 'google-calendar-events' ); ?></option>
+									data-show-field="_calendar_begins_nth" <?php selected('months_after', $calendar_begins, true); ?>><?php _e('Month(s) after current', 'google-calendar-events'); ?></option>
 						</optgroup>
-						<optgroup label="<?php _e( 'Years', 'google-calendar-events' ); ?>">
+						<optgroup label="<?php _e('Years', 'google-calendar-events'); ?>">
 							<option value="this_year"
 									data-hide-fields="_calendar_begins_custom_date,_calendar_begins_nth"
-								<?php selected( 'this_year', $calendar_begins, true ); ?>><?php _e( 'This year', 'google-calendar-events' ); ?></option>
+								<?php selected('this_year', $calendar_begins, true); ?>><?php _e('This year', 'google-calendar-events'); ?></option>
 							<option value="years_before"
-									data-show-field="_calendar_begins_nth" <?php selected( 'years_before', $calendar_begins, true ); ?>><?php _e( 'Year(s) before current', 'google-calendar-events' ); ?></option>
+									data-show-field="_calendar_begins_nth" <?php selected('years_before', $calendar_begins, true); ?>><?php _e('Year(s) before current', 'google-calendar-events'); ?></option>
 							<option value="years_after"
 									data-hide-field="_calendar_begins_custom_date"
-									data-show-field="_calendar_begins_nth" <?php selected( 'years_after', $calendar_begins, true ); ?>><?php _e( 'Year(s) after current', 'google-calendar-events' ); ?></option>
+									data-show-field="_calendar_begins_nth" <?php selected('years_after', $calendar_begins, true); ?>><?php _e('Year(s) after current', 'google-calendar-events'); ?></option>
 						</optgroup>
-						<optgroup label="<?php _e( 'Other', 'google-calendar-events' ); ?>">
+						<optgroup label="<?php _e('Other', 'google-calendar-events'); ?>">
 							<option value="custom_date"
 									data-hide-field="_calendar_begins_nth"
-									data-show-field="_calendar_begins_custom_date" <?php selected( 'custom_date', $calendar_begins, true ); ?>><?php _e( 'Specific date', 'google-calendar-events' ); ?></option>
+									data-show-field="_calendar_begins_custom_date" <?php selected('custom_date', $calendar_begins, true); ?>><?php _e('Specific date', 'google-calendar-events'); ?></option>
 						</optgroup>
 					</select>
 					<?php
 
-					simcal_print_field( array(
+					simcal_print_field(array(
 						'type'    => 'date-picker',
 						'name'    => '_calendar_begins_custom_date',
 						'id'      => '_calendar_begins_custom_date',
-						'value'   => get_post_meta( $post->ID, '_calendar_begins_custom_date', true ),
+						'value'   => get_post_meta($post->ID, '_calendar_begins_custom_date', true),
 						'class' => array(
 							'simcal-field-inline',
 						),
-						'style'   => 'custom_date' != $calendar_begins ? array( 'display' => 'none' ) : '',
-					) );
+						'style'   => 'custom_date' != $calendar_begins ? array('display' => 'none') : '',
+					));
 
 					?>
 					<i class="simcal-icon-help simcal-help-tip"
-					   data-tip="<?php _e( 'The calendar default opening date. It will automatically adapt based on the chosen calendar type.', 'google-calendar-events' ); ?>"></i>
+					   data-tip="<?php _e('The calendar default opening date. It will automatically adapt based on the chosen calendar type.', 'google-calendar-events'); ?>"></i>
 				</td>
 			</tr>
 			<tr class="simcal-panel-field">
-				<th><label for="_feed_earliest_event_date"><?php _e( 'Earliest event', 'google-calendar-events' ); ?></label></th>
+				<th><label for="_feed_earliest_event_date"><?php _e('Earliest event', 'google-calendar-events'); ?></label></th>
 				<td>
 					<?php
 
-					$earliest_event_saved = get_post_meta( $post->ID, '_feed_earliest_event_date', true );
-					$earliest_event = false == $earliest_event_saved ? 'months_before' : esc_attr( $earliest_event_saved );
+					$earliest_event_saved = get_post_meta($post->ID, '_feed_earliest_event_date', true);
+					$earliest_event = false == $earliest_event_saved ? 'months_before' : esc_attr($earliest_event_saved);
 
-					simcal_print_field( array(
+					simcal_print_field(array(
 						'type'       => 'standard',
 						'subtype'    => 'number',
 						'name'       => '_feed_earliest_event_date_range',
 						'id'         => '_feed_earliest_event_date_range',
-						'value'      => strval( max( absint( get_post_meta( $post->ID, '_feed_earliest_event_date_range', true ) ), 1 ) ),
+						'value'      => strval(max(absint(get_post_meta($post->ID, '_feed_earliest_event_date_range', true)), 1)),
 						'attributes' => array(
 							'min' => '1',
 						),
@@ -370,37 +370,37 @@ 
 							'simcal-field-inline',
 							'simcal-field-tiny',
 						),
-						'style'      => ( 'now' != $earliest_event ) && ( 'today' != $earliest_event ) ? array( 'display' => 'none' ) : '',
-					) );
+						'style'      => ('now' != $earliest_event) && ('today' != $earliest_event) ? array('display' => 'none') : '',
+					));
 
 					?>
 					<select name="_feed_earliest_event_date"
 							id="_feed_earliest_event_date"
 							class="simcal-field simcal-field-select simcal-field-inline simcal-field-switch-other">
-						<option value="calendar_start" data-hide-field="_feed_earliest_event_date_range" <?php selected( 'calendar_start', $earliest_event, true ); ?>><?php _e( 'Same as start date', 'google-calendar-events' ); ?></option>
-						<option value="days_before"    data-show-field="_feed_earliest_event_date_range" <?php selected( 'days_before', $earliest_event, true ); ?>><?php _e( 'Day(s) before start date', 'google-calendar-events' ); ?></option>
-						<option value="weeks_before"   data-show-field="_feed_earliest_event_date_range" <?php selected( 'weeks_before', $earliest_event, true ); ?>><?php _e( 'Week(s) before start date', 'google-calendar-events' ); ?></option>
-						<option value="months_before"  data-show-field="_feed_earliest_event_date_range" <?php selected( 'months_before', $earliest_event, true ); ?>><?php _e( 'Month(s) before start date', 'google-calendar-events' ); ?></option>
-						<option value="years_before"   data-show-field="_feed_earliest_event_date_range" <?php selected( 'years_before', $earliest_event, true ); ?>><?php _e( 'Year(s) before start date', 'google-calendar-events' ); ?></option>
+						<option value="calendar_start" data-hide-field="_feed_earliest_event_date_range" <?php selected('calendar_start', $earliest_event, true); ?>><?php _e('Same as start date', 'google-calendar-events'); ?></option>
+						<option value="days_before"    data-show-field="_feed_earliest_event_date_range" <?php selected('days_before', $earliest_event, true); ?>><?php _e('Day(s) before start date', 'google-calendar-events'); ?></option>
+						<option value="weeks_before"   data-show-field="_feed_earliest_event_date_range" <?php selected('weeks_before', $earliest_event, true); ?>><?php _e('Week(s) before start date', 'google-calendar-events'); ?></option>
+						<option value="months_before"  data-show-field="_feed_earliest_event_date_range" <?php selected('months_before', $earliest_event, true); ?>><?php _e('Month(s) before start date', 'google-calendar-events'); ?></option>
+						<option value="years_before"   data-show-field="_feed_earliest_event_date_range" <?php selected('years_before', $earliest_event, true); ?>><?php _e('Year(s) before start date', 'google-calendar-events'); ?></option>
 					</select>
 					<i class="simcal-icon-help simcal-help-tip"
-					   data-tip="<?php _e( 'Set the date for the earliest possible event to show in calendar. There will not be events before this date.', 'google-calendar-events' ); ?>"></i>
+					   data-tip="<?php _e('Set the date for the earliest possible event to show in calendar. There will not be events before this date.', 'google-calendar-events'); ?>"></i>
 				</td>
 			</tr>
 			<tr class="simcal-panel-field">
-				<th><label for="_feed_latest_event_date"><?php _e( 'Latest event', 'google-calendar-events' ); ?></label></th>
+				<th><label for="_feed_latest_event_date"><?php _e('Latest event', 'google-calendar-events'); ?></label></th>
 				<td>
 					<?php
 
-					$latest_event_saved = get_post_meta( $post->ID, '_feed_latest_event_date', true );
-					$latest_event = false == $latest_event_saved ? 'years_after' : esc_attr( $latest_event_saved );
+					$latest_event_saved = get_post_meta($post->ID, '_feed_latest_event_date', true);
+					$latest_event = false == $latest_event_saved ? 'years_after' : esc_attr($latest_event_saved);
 
-					simcal_print_field( array(
+					simcal_print_field(array(
 						'type'       => 'standard',
 						'subtype'    => 'number',
 						'name'       => '_feed_latest_event_date_range',
 						'id'         => '_feed_latest_event_date_range',
-						'value'      => strval( max( absint( get_post_meta( $post->ID, '_feed_latest_event_date_range', true ) ), 1 ) ),
+						'value'      => strval(max(absint(get_post_meta($post->ID, '_feed_latest_event_date_range', true)), 1)),
 						'attributes' => array(
 							'min' => '1',
 						),
@@ -408,21 +408,21 @@ 
 							'simcal-field-inline',
 							'simcal-field-tiny',
 						),
-						'style'      => 'indefinite' != $latest_event ? array( 'display' => 'none' ) : '',
-					) );
+						'style'      => 'indefinite' != $latest_event ? array('display' => 'none') : '',
+					));
 
 					?>
 					<select name="_feed_latest_event_date"
 							id="_feed_latest_event_date"
 							class="simcal-field simcal-field-select simcal-field-inline simcal-field-switch-other">
-						<option value="calendar_start" data-hide-field="_feed_latest_event_date_range" <?php selected( 'calendar_start', $earliest_event, true ); ?>><?php _e( 'Day end of start date', 'google-calendar-events' ); ?></option>
-						<option value="days_after"     data-show-field="_feed_latest_event_date_range" <?php selected( 'days_after', $latest_event, true ); ?>><?php _e( 'Day(s) after start date', 'google-calendar-events' ); ?></option>
-						<option value="weeks_after"    data-show-field="_feed_latest_event_date_range" <?php selected( 'weeks_after', $latest_event, true ); ?>><?php _e( 'Weeks(s) after start date', 'google-calendar-events' ); ?></option>
-						<option value="months_after"   data-show-field="_feed_latest_event_date_range" <?php selected( 'months_after', $latest_event, true ); ?>><?php _e( 'Month(s) after start date', 'google-calendar-events' ); ?></option>
-						<option value="years_after"    data-show-field="_feed_latest_event_date_range" <?php selected( 'years_after', $latest_event, true ); ?>><?php _e( 'Year(s) after start date', 'google-calendar-events' ); ?></option>
+						<option value="calendar_start" data-hide-field="_feed_latest_event_date_range" <?php selected('calendar_start', $earliest_event, true); ?>><?php _e('Day end of start date', 'google-calendar-events'); ?></option>
+						<option value="days_after"     data-show-field="_feed_latest_event_date_range" <?php selected('days_after', $latest_event, true); ?>><?php _e('Day(s) after start date', 'google-calendar-events'); ?></option>
+						<option value="weeks_after"    data-show-field="_feed_latest_event_date_range" <?php selected('weeks_after', $latest_event, true); ?>><?php _e('Weeks(s) after start date', 'google-calendar-events'); ?></option>
+						<option value="months_after"   data-show-field="_feed_latest_event_date_range" <?php selected('months_after', $latest_event, true); ?>><?php _e('Month(s) after start date', 'google-calendar-events'); ?></option>
+						<option value="years_after"    data-show-field="_feed_latest_event_date_range" <?php selected('years_after', $latest_event, true); ?>><?php _e('Year(s) after start date', 'google-calendar-events'); ?></option>
 					</select>
 					<i class="simcal-icon-help simcal-help-tip"
-					   data-tip="<?php _e( 'Set the date for the latest possible event to show on calendar. There will not be events after this date.', 'google-calendar-events' ); ?>"></i>
+					   data-tip="<?php _e('Set the date for the latest possible event to show on calendar. There will not be events after this date.', 'google-calendar-events'); ?>"></i>
 				</td>
 			</tr>
 			</tbody>
@@ -439,68 +439,68 @@ 
 	 *
 	 * @param  \WP_Post $post
 	 */
-	private static function calendar_settings_panel( $post ) {
+	private static function calendar_settings_panel($post) {
 
 		?>
 		<table>
 			<thead>
-			<tr><th colspan="2"><?php _e( 'Miscellaneous', 'google-calendar-events' ); ?></th></tr>
+			<tr><th colspan="2"><?php _e('Miscellaneous', 'google-calendar-events'); ?></th></tr>
 			</thead>
 			<tbody class="simcal-panel-section">
 			<tr class="simcal-panel-field">
-				<th><label for="_calendar_is_static"><?php _e( 'Static calendar', 'google-calendar-events' ); ?></label></th>
+				<th><label for="_calendar_is_static"><?php _e('Static calendar', 'google-calendar-events'); ?></label></th>
 				<td>
 					<?php
 
-					$fixed = get_post_meta( $post->ID, '_calendar_is_static', true );
+					$fixed = get_post_meta($post->ID, '_calendar_is_static', true);
 
-					simcal_print_field( array(
+					simcal_print_field(array(
 						'type'    => 'checkbox',
 						'name'    => '_calendar_is_static',
 						'id'      => '_calendar_is_static',
-						'tooltip' => __( 'Remove the navigation arrows and fix the calendar view to its initial state.', 'google-calendar-events' ),
+						'tooltip' => __('Remove the navigation arrows and fix the calendar view to its initial state.', 'google-calendar-events'),
 						'value'   => 'yes' == $fixed ? 'yes' : 'no',
-					) );
+					));
 
 					?>
 				</td>
 			</tr>
 			<tr class="simcal-panel-field">
-				<th><label for="_no_events_message"><?php _e( 'No events message', 'google-calendar-events' ); ?></label></th>
+				<th><label for="_no_events_message"><?php _e('No events message', 'google-calendar-events'); ?></label></th>
 				<td>
 					<?php
 
-					simcal_print_field( array(
+					simcal_print_field(array(
 						'type'    => 'textarea',
 						'name'    => '_no_events_message',
 						'id'      => '_no_events_message',
-						'tooltip' => __( 'Some calendars may display a message when no events are found. You can change the default message here.', 'google-calendar-events' ),
-						'value'   => get_post_meta( $post->ID, '_no_events_message', true ),
-					) );
+						'tooltip' => __('Some calendars may display a message when no events are found. You can change the default message here.', 'google-calendar-events'),
+						'value'   => get_post_meta($post->ID, '_no_events_message', true),
+					));
 
 					?>
 				</td>
 			</tr>
 			<tr class="simcal-panel-field">
-				<th><label for="_event_formatting"><?php _e( 'Event Formatting', 'google-calendar-events' ); ?></label></th>
+				<th><label for="_event_formatting"><?php _e('Event Formatting', 'google-calendar-events'); ?></label></th>
 				<td>
 					<?php
 
-					$event_formatting = get_post_meta( $post->ID, '_event_formatting', true );
+					$event_formatting = get_post_meta($post->ID, '_event_formatting', true);
 
-					simcal_print_field( array(
+					simcal_print_field(array(
 						'type'    => 'select',
 						'name'    => '_event_formatting',
 						'id'      => '_event_formatting',
-						'tooltip' => __( 'How to preserve line breaks and paragraphs in the event template builder.', 'google-calendar-events' ),
+						'tooltip' => __('How to preserve line breaks and paragraphs in the event template builder.', 'google-calendar-events'),
 						'value'   => $event_formatting,
 						'default' => 'preserve_linebreaks',
 						'options' => array(
-							'preserve_linebreaks' => __( 'Preserve line breaks, auto paragraphs (default)', 'google-calendar-events' ),
-							'no_linebreaks'       => __( 'No line breaks, auto paragraphs', 'google-calendar-events' ),
-							'none'                => __( 'No line breaks, no auto paragraphs', 'google-calendar-events' ),
+							'preserve_linebreaks' => __('Preserve line breaks, auto paragraphs (default)', 'google-calendar-events'),
+							'no_linebreaks'       => __('No line breaks, auto paragraphs', 'google-calendar-events'),
+							'none'                => __('No line breaks, no auto paragraphs', 'google-calendar-events'),
 						),
-					) );
+					));
 
 					?>
 				</td>
@@ -519,28 +519,28 @@ 
 	 *
 	 * @param  \WP_Post $post
 	 */
-	private static function advanced_settings_panel( $post ) {
+	private static function advanced_settings_panel($post) {
 
 		?>
 		<table>
 			<thead>
-			<tr><th colspan="2"><?php _e( 'Date and Time', 'google-calendar-events' ); ?></th></tr>
+			<tr><th colspan="2"><?php _e('Date and Time', 'google-calendar-events'); ?></th></tr>
 			</thead>
 			<tbody class="simcal-panel-section simcal-panel-datetime-formatting">
 			<tr class="simcal-panel-field">
-				<th><label for="_calendar_timezone_setting"><?php _e( 'Timezone', 'google-calendar-events' ); ?></label></th>
+				<th><label for="_calendar_timezone_setting"><?php _e('Timezone', 'google-calendar-events'); ?></label></th>
 				<td>
 					<?php
 
 					$timezone_wordpress = simcal_get_wp_timezone();
 					$timezone_default   = $timezone_wordpress ? $timezone_wordpress : 'UTC';
-					$timezone_setting   = esc_attr( get_post_meta( $post->ID, '_feed_timezone_setting', true ) );
-					$timezone           = esc_attr( get_post_meta( $post->ID, '_feed_timezone', true ) );
+					$timezone_setting   = esc_attr(get_post_meta($post->ID, '_feed_timezone_setting', true));
+					$timezone           = esc_attr(get_post_meta($post->ID, '_feed_timezone', true));
 					$timezone           = $timezone ? $timezone : $timezone_default;
-					$show_use_calendar  = isset( simcal_get_feed( $post )->type );
+					$show_use_calendar  = isset(simcal_get_feed($post)->type);
 
-					if ( $show_use_calendar ) {
-						$show_use_calendar = ( simcal_get_feed( $post )->type !== 'grouped-calendars' ? 1 : 0 );
+					if ($show_use_calendar) {
+						$show_use_calendar = (simcal_get_feed($post)->type !== 'grouped-calendars' ? 1 : 0);
 					} else {
 						$show_use_calendar = true;
 					}
@@ -550,56 +550,56 @@ 
 							id="_feed_timezone_setting"
 							class="simcal-field simcal-field-select simcal-field-inline simcal-field-show-other"
 							data-show-field-on-choice="true">
-						<option value="use_site" <?php selected( 'use_site', $timezone_setting, true ); ?>><?php printf( _x( 'Site default', 'Use this site default setting', 'google-calendar-events' ) . ' (%s)', $timezone_default ); ?></option>
-						<?php if ( $show_use_calendar ) { ?>
-							<option id="use_calendar" value="use_calendar" data-show-field="_use_calendar_warning" <?php selected( 'use_calendar', $timezone_setting, true ); ?>><?php _ex( 'Events source default', 'Use the calendar default setting', 'google-calendar-events' ); ?></option>
+						<option value="use_site" <?php selected('use_site', $timezone_setting, true); ?>><?php printf(_x('Site default', 'Use this site default setting', 'google-calendar-events').' (%s)', $timezone_default); ?></option>
+						<?php if ($show_use_calendar) { ?>
+							<option id="use_calendar" value="use_calendar" data-show-field="_use_calendar_warning" <?php selected('use_calendar', $timezone_setting, true); ?>><?php _ex('Events source default', 'Use the calendar default setting', 'google-calendar-events'); ?></option>
 						<?php } ?>
-						<option value="use_custom" data-show-field="_feed_timezone" <?php selected( 'use_custom', $timezone_setting, true ); ?>><?php _ex( 'Custom', 'Use a custom setting', 'google-calendar-events' ); ?></option>
+						<option value="use_custom" data-show-field="_feed_timezone" <?php selected('use_custom', $timezone_setting, true); ?>><?php _ex('Custom', 'Use a custom setting', 'google-calendar-events'); ?></option>
 					</select>
 					<select name="_feed_timezone"
 							id="_feed_timezone"
 							class="simcal-field simcal-field-select simcal-field-inline"
 						<?php echo 'use_custom' != $timezone_setting ? 'style="display: none;"' : ''; ?>>
-						<?php echo wp_timezone_choice( $timezone ); ?>
+						<?php echo wp_timezone_choice($timezone); ?>
 					</select>
-					<i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e( 'Using a different timezone may alter the date and time display of your calendar events. It is recommended to keep the calendar default timezone.', 'google-calendar-events' ); ?>"></i>
+					<i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e('Using a different timezone may alter the date and time display of your calendar events. It is recommended to keep the calendar default timezone.', 'google-calendar-events'); ?>"></i>
 					<p id="_use_calendar_warning" style="display: none;" class="simcal-field">
-						<?php printf( __( '<strong>Warning:</strong> Using this option can return unexpected results if you have specified <a href="%s" target="_blank">event level</a> timezones.', 'google-calendar-events' ), 'http://docs.simplecalendar.io/timezone-settings/' ); ?>
+						<?php printf(__('<strong>Warning:</strong> Using this option can return unexpected results if you have specified <a href="%s" target="_blank">event level</a> timezones.', 'google-calendar-events'), 'http://docs.simplecalendar.io/timezone-settings/'); ?>
 					</p>
 				</td>
 			</tr>
 			<tr class="simcal-panel-field">
-				<th><label for="_calendar_date_format_setting"><?php _e( 'Date format', 'google-calendar-events' ); ?></label></th>
+				<th><label for="_calendar_date_format_setting"><?php _e('Date format', 'google-calendar-events'); ?></label></th>
 				<td>
 					<?php
 
-					$date_format_setting = esc_attr( get_post_meta( $post->ID, '_calendar_date_format_setting', true ) );
-					$date_format_default = esc_attr( get_option( 'date_format' ) );
-					$date_format = esc_attr( get_post_meta( $post->ID, '_calendar_date_format', true ) );
-					$date_format_php = esc_attr( get_post_meta( $post->ID, '_calendar_date_format_php', true ) );
+					$date_format_setting = esc_attr(get_post_meta($post->ID, '_calendar_date_format_setting', true));
+					$date_format_default = esc_attr(get_option('date_format'));
+					$date_format = esc_attr(get_post_meta($post->ID, '_calendar_date_format', true));
+					$date_format_php = esc_attr(get_post_meta($post->ID, '_calendar_date_format_php', true));
 					$date_format_php = $date_format_php ? $date_format_php : $date_format_default;
 
 					?>
 					<select name="_calendar_date_format_setting"
 							id="_calendar_date_format_setting"
 							class="simcal-field simcal-field-select simcal-field-show-other">
-						<option value="use_site" data-show-field="_calendar_date_format_default" <?php selected( 'use_site', $date_format_setting, true ); ?>><?php  _ex( 'Site default', 'Use this site default setting', 'google-calendar-events' ); ?></option>
-						<option value="use_custom" data-show-field="_calendar_date_format" <?php selected( 'use_custom', $date_format_setting, true ); ?>><?php _ex( 'Custom', 'Use a custom setting', 'google-calendar-events' ); ?></option>
-						<option value="use_custom_php" data-show-field="_calendar_date_format_php_field" <?php selected( 'use_custom_php', $date_format_setting, true ); ?>><?php _e( 'Custom (PHP format)', 'google-calendar-events' ); ?></option>
+						<option value="use_site" data-show-field="_calendar_date_format_default" <?php selected('use_site', $date_format_setting, true); ?>><?php  _ex('Site default', 'Use this site default setting', 'google-calendar-events'); ?></option>
+						<option value="use_custom" data-show-field="_calendar_date_format" <?php selected('use_custom', $date_format_setting, true); ?>><?php _ex('Custom', 'Use a custom setting', 'google-calendar-events'); ?></option>
+						<option value="use_custom_php" data-show-field="_calendar_date_format_php_field" <?php selected('use_custom_php', $date_format_setting, true); ?>><?php _e('Custom (PHP format)', 'google-calendar-events'); ?></option>
 					</select>
-					<i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e( 'This option sets how calendars display event dates. It is recommended to keep your site default setting.', 'google-calendar-events' ); ?>"></i>
+					<i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e('This option sets how calendars display event dates. It is recommended to keep your site default setting.', 'google-calendar-events'); ?>"></i>
 					<p id="_calendar_date_format_default" style="<?php echo $date_format_setting != 'use_site' ? 'display: none;' : ''; ?>">
-						<em><?php _e( 'Preview', 'google-calendar-events' ) ?>:</em>&nbsp;&nbsp;
-						<code><?php echo date_i18n( $date_format_default, time() ); ?></code>
+						<em><?php _e('Preview', 'google-calendar-events') ?>:</em>&nbsp;&nbsp;
+						<code><?php echo date_i18n($date_format_default, time()); ?></code>
 					</p>
-					<?php simcal_print_field( array(
+					<?php simcal_print_field(array(
 						'type'    => 'datetime-format',
 						'subtype' => 'date',
 						'name'    => '_calendar_date_format',
 						'id'      => '_calendar_date_format',
 						'value'   => $date_format,
-						'style'   => $date_format_setting != 'use_custom' ? array( 'display' => 'none' ) : '',
-					) ); ?>
+						'style'   => $date_format_setting != 'use_custom' ? array('display' => 'none') : '',
+					)); ?>
 					<div class="simcal-field-datetime-format-php" id="_calendar_date_format_php_field" style="<?php echo $date_format_setting != 'use_custom_php' ? 'display: none;' : ''; ?>">
 						<br>
 						<label for="_calendar_date_format_php">
@@ -608,70 +608,70 @@ 
 								   id="_calendar_date_format_php"
 								   class="simcal-field simcal-field-text simcal-field-small"
 								   value="<?php echo $date_format_php; ?>" />
-							<?php printf( __( 'Enter a date format using %s values.', 'google-calendar-events' ), '<a href="//php.net/manual/en/function.date.php" target="_blank">PHP</a>' ); ?>
+							<?php printf(__('Enter a date format using %s values.', 'google-calendar-events'), '<a href="//php.net/manual/en/function.date.php" target="_blank">PHP</a>'); ?>
 						</label>
 						<p>
-							<em><?php _e( 'Preview', 'google-calendar-events' ) ?>:</em>&nbsp;&nbsp;
-							<code><?php echo date_i18n( $date_format_php, time() ); ?></code>
+							<em><?php _e('Preview', 'google-calendar-events') ?>:</em>&nbsp;&nbsp;
+							<code><?php echo date_i18n($date_format_php, time()); ?></code>
 						</p>
 					</div>
 				</td>
 			</tr>
 			<tr class="simcal-panel-field">
-				<th><label for="_calendar_datetime_separator"><?php _e( 'Separator', 'google-calendar-events' ); ?></label></th>
+				<th><label for="_calendar_datetime_separator"><?php _e('Separator', 'google-calendar-events'); ?></label></th>
 				<td>
 					<?php
 
-					$separator = get_post_meta( $post->ID, '_calendar_datetime_separator', true );
+					$separator = get_post_meta($post->ID, '_calendar_datetime_separator', true);
 					$separator = false == $separator ? '@' : $separator;
 
-					simcal_print_field( array(
+					simcal_print_field(array(
 						'type'    => 'standard',
 						'subtype' => 'text',
 						'name'    => '_calendar_datetime_separator',
 						'id'      => '_calendar_datetime_separator',
 						'value'   => $separator,
-						'tooltip' => __( 'Used to divide date and time when both are shown.', 'google-calendar-events' ),
+						'tooltip' => __('Used to divide date and time when both are shown.', 'google-calendar-events'),
 						'class'   => array(
 							'simcal-field-tiny',
 						),
-					) );
+					));
 
 					?>
 				</td>
 			</tr>
 			<tr class="simcal-panel-field">
-				<th><label for="_calendar_time_format_setting"><?php _e( 'Time format', 'google-calendar-events' ); ?></label></th>
+				<th><label for="_calendar_time_format_setting"><?php _e('Time format', 'google-calendar-events'); ?></label></th>
 				<td>
 					<?php
 
-					$time_format_setting = esc_attr( get_post_meta( $post->ID, '_calendar_time_format_setting', true ) );
-					$time_format_default = esc_attr( get_option( 'time_format' ) );
-					$time_format = esc_attr( get_post_meta( $post->ID, '_calendar_time_format', true ) );
-					$time_format_php = esc_attr( get_post_meta( $post->ID, '_calendar_time_format_php', true ) );
+					$time_format_setting = esc_attr(get_post_meta($post->ID, '_calendar_time_format_setting', true));
+					$time_format_default = esc_attr(get_option('time_format'));
+					$time_format = esc_attr(get_post_meta($post->ID, '_calendar_time_format', true));
+					$time_format_php = esc_attr(get_post_meta($post->ID, '_calendar_time_format_php', true));
 					$time_format_php = $time_format_php ? $time_format_php : $time_format_default;
 
 					?>
 					<select name="_calendar_time_format_setting"
 							id="_calendar_time_format_setting"
 							class="simcal-field simcal-field-select simcal-field-show-other">
-						<option value="use_site" data-show-field="_calendar_time_format_default" <?php selected( 'use_site', $time_format_setting, true ); ?>><?php _ex( 'Site default', 'Use this site default setting', 'google-calendar-events' ); ?></option>
-						<option value="use_custom" data-show-field="_calendar_time_format" <?php selected( 'use_custom', $time_format_setting, true ); ?>><?php _ex( 'Custom', 'Use a custom setting', 'google-calendar-events' ); ?></option>
-						<option value="use_custom_php" data-show-field="_calendar_time_format_php_field" <?php selected( 'use_custom_php', $time_format_setting, true ); ?>><?php _e( 'Custom (PHP format)', 'google-calendar-events' ); ?></option>
+						<option value="use_site" data-show-field="_calendar_time_format_default" <?php selected('use_site', $time_format_setting, true); ?>><?php _ex('Site default', 'Use this site default setting', 'google-calendar-events'); ?></option>
+						<option value="use_custom" data-show-field="_calendar_time_format" <?php selected('use_custom', $time_format_setting, true); ?>><?php _ex('Custom', 'Use a custom setting', 'google-calendar-events'); ?></option>
+						<option value="use_custom_php" data-show-field="_calendar_time_format_php_field" <?php selected('use_custom_php', $time_format_setting, true); ?>><?php _e('Custom (PHP format)', 'google-calendar-events'); ?></option>
 					</select>
-					<i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e( 'This option sets how calendars display event times. It is recommended to keep your site default setting.', 'google-calendar-events' ); ?>"></i>
+					<i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e('This option sets how calendars display event times. It is recommended to keep your site default setting.', 'google-calendar-events'); ?>"></i>
 					<p id="_calendar_time_format_default" style="<?php echo $time_format_setting != 'use_site' ? 'display: none;' : ''; ?>">
-						<em><?php _e( 'Preview', 'google-calendar-events' ) ?>:</em>&nbsp;&nbsp;
-						<code><?php echo date_i18n( $time_format_default, time() ); ?></code>
+						<em><?php _e('Preview', 'google-calendar-events') ?>:</em>&nbsp;&nbsp;
+						<code><?php echo date_i18n($time_format_default, time()); ?></code>
 					</p>
-					<?php simcal_print_field( array(
+					<?php simcal_print_field(array(
 						'type'    => 'datetime-format',
 						'subtype' => 'time',
 						'name'    => '_calendar_time_format',
 						'id'      => '_calendar_time_format',
 						'value'   => $time_format,
-						'style'   => $time_format_setting != 'use_custom' ? array( 'display' => 'none' ) : '',
-					) ); ?>
+						'style'   => $time_format_setting != 'use_custom' ? array('display' => 'none') : '',
+					)); ?>
 					<div class="simcal-field-datetime-format-php" id="_calendar_time_format_php_field" style="<?php echo $time_format_setting != 'use_custom_php' ? 'display: none;' : ''; ?>">
 						<br>
 						<label for="_calendar_date_format_php">
@@ -680,24 +680,24 @@ 
 								   id="_calendar_time_format_php"
 								   class="simcal-field simcal-field-text simcal-field-small"
 								   value="<?php echo $time_format_php; ?>"/>
-							<?php printf( __( 'Enter a time format using %s values.', 'google-calendar-events' ), '<a href="//php.net/manual/en/function.date.php" target="_blank">PHP</a>' ); ?>
+							<?php printf(__('Enter a time format using %s values.', 'google-calendar-events'), '<a href="//php.net/manual/en/function.date.php" target="_blank">PHP</a>'); ?>
 						</label>
 						<p>
-							<em><?php _e( 'Preview', 'google-calendar-events' ) ?>:</em>&nbsp;&nbsp;
-							<code><?php echo date_i18n( $time_format_php, time() ); ?></code>
+							<em><?php _e('Preview', 'google-calendar-events') ?>:</em>&nbsp;&nbsp;
+							<code><?php echo date_i18n($time_format_php, time()); ?></code>
 						</p>
 					</div>
 				</td>
 			</tr>
 			<tr class="simcal-panel-field">
-				<th><label for="_calendar_week_starts_on_setting"><?php _e( 'Week starts on', 'google-calendar-events' ); ?></label></th>
+				<th><label for="_calendar_week_starts_on_setting"><?php _e('Week starts on', 'google-calendar-events'); ?></label></th>
 				<td>
 					<?php
 
-					$week_starts_setting = esc_attr( get_post_meta( $post->ID, '_calendar_week_starts_on_setting', true ) );
-					$week_starts_default = esc_attr( get_option( 'start_of_week' ) );
-					$week_starts = intval( get_post_meta( $post->ID, '_calendar_week_starts_on', true ) );
-					$week_starts = is_numeric( $week_starts ) ? strval( $week_starts ) : $week_starts_default;
+					$week_starts_setting = esc_attr(get_post_meta($post->ID, '_calendar_week_starts_on_setting', true));
+					$week_starts_default = esc_attr(get_option('start_of_week'));
+					$week_starts = intval(get_post_meta($post->ID, '_calendar_week_starts_on', true));
+					$week_starts = is_numeric($week_starts) ? strval($week_starts) : $week_starts_default;
 
 					?>
 					<select
@@ -705,39 +705,39 @@ 
 						id="_calendar_week_starts_on_setting"
 						class="simcal-field simcal-field-select simcal-field-inline simcal-field-show-next"
 						data-show-next-if-value="use_custom">
-						<option value="use_site" <?php selected( 'use_site', $week_starts_setting, true ); ?>><?php printf( _x( 'Site default', 'Use this site default setting', 'google-calendar-events' ) . ' (%s)', date_i18n( 'l', strtotime( "Sunday + $week_starts_default Days" ) ) ); ?></option>
-						<option value="use_custom" <?php selected( 'use_custom', $week_starts_setting, true ); ?>><?php _ex( 'Custom', 'Use a custom setting', 'google-calendar-events' ); ?></option>
+						<option value="use_site" <?php selected('use_site', $week_starts_setting, true); ?>><?php printf(_x('Site default', 'Use this site default setting', 'google-calendar-events').' (%s)', date_i18n('l', strtotime("Sunday + $week_starts_default Days"))); ?></option>
+						<option value="use_custom" <?php selected('use_custom', $week_starts_setting, true); ?>><?php _ex('Custom', 'Use a custom setting', 'google-calendar-events'); ?></option>
 					</select>
 					<select
 						name="_calendar_week_starts_on"
 						id="_calendar_week_starts_on"
 						class="simcal-field simcal-field-select simcal-field-inline"
 						<?php echo 'use_custom' != $week_starts_setting ? 'style="display: none;"' : ''; ?>>
-						<?php $day_names = simcal_get_calendar_names_i18n( 'day', 'full' ); ?>
-						<?php for ( $i = 0; $i <= 6; $i++ ) : ?>
-							<option value="<?php echo $i; ?>" <?php selected( $i, $week_starts, true ); ?>><?php echo $day_names[ $i ]; ?></option>
+						<?php $day_names = simcal_get_calendar_names_i18n('day', 'full'); ?>
+						<?php for ($i = 0; $i <= 6; $i++) : ?>
+							<option value="<?php echo $i; ?>" <?php selected($i, $week_starts, true); ?>><?php echo $day_names[$i]; ?></option>
 						<?php endfor; ?>
 					</select>
-					<i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e( 'Some calendars may use this setting to display the start of the week. It is recommended to keep the site default setting.', 'google-calendar-events' ); ?>"></i>
+					<i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e('Some calendars may use this setting to display the start of the week. It is recommended to keep the site default setting.', 'google-calendar-events'); ?>"></i>
 				</td>
 			</tr>
 			</tbody>
 		</table>
 		<table>
 			<thead>
-			<tr><th colspan="2"><?php _e( 'Cache', 'google-calendar-events' ); ?></th></tr>
+			<tr><th colspan="2"><?php _e('Cache', 'google-calendar-events'); ?></th></tr>
 			</thead>
 			<tbody class="simcal-panel-section simcal-panel-section-cache">
 			<?php
 
-			$cache_freq = esc_attr( get_post_meta( $post->ID, '_feed_cache_user_amount', true ) );
-			$cache_unit = esc_attr( get_post_meta( $post->ID, '_feed_cache_user_unit', true ) );
-			$cache_freq = is_int( $cache_freq ) && $cache_freq >= 0 ? $cache_freq : '2';
+			$cache_freq = esc_attr(get_post_meta($post->ID, '_feed_cache_user_amount', true));
+			$cache_unit = esc_attr(get_post_meta($post->ID, '_feed_cache_user_unit', true));
+			$cache_freq = is_int($cache_freq) && $cache_freq >= 0 ? $cache_freq : '2';
 			$cache_unit = $cache_unit ? $cache_unit : '3600';
 
 			?>
 			<tr class="simcal-panel-field">
-				<th><label for="_feed_cache_user_amount"><?php _ex( 'Refresh interval', 'Cache maximum interval', 'google-calendar-events' ); ?></label></th>
+				<th><label for="_feed_cache_user_amount"><?php _ex('Refresh interval', 'Cache maximum interval', 'google-calendar-events'); ?></label></th>
 				<td>
 					<input type="number"
 						   name="_feed_cache_user_amount"
@@ -748,12 +748,12 @@ 
 					<select name="_feed_cache_user_unit"
 							id="_feed_cache_user_unit"
 							class="simcal-field simcalfield-select simcal-field-inline">
-						<option value="60" <?php selected( '60', $cache_unit, true ); ?>><?php _e( 'Minute(s)', 'google-calendar-events' ); ?></option>
-						<option value="3600" <?php selected( '3600', $cache_unit, true ); ?>><?php _e( 'Hour(s)', 'google-calendar-events' ); ?></option>
-						<option value="86400" <?php selected( '86400', $cache_unit, true ); ?>><?php _e( 'Day(s)', 'google-calendar-events' ); ?></option>
-						<option value="604800" <?php selected( '604800', $cache_unit, true ); ?>><?php _e( 'Week(s)', 'google-calendar-events' ); ?></option>
+						<option value="60" <?php selected('60', $cache_unit, true); ?>><?php _e('Minute(s)', 'google-calendar-events'); ?></option>
+						<option value="3600" <?php selected('3600', $cache_unit, true); ?>><?php _e('Hour(s)', 'google-calendar-events'); ?></option>
+						<option value="86400" <?php selected('86400', $cache_unit, true); ?>><?php _e('Day(s)', 'google-calendar-events'); ?></option>
+						<option value="604800" <?php selected('604800', $cache_unit, true); ?>><?php _e('Week(s)', 'google-calendar-events'); ?></option>
 					</select>
-					<i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e( 'If you add, edit or remove events in your calendar very often, you can set a lower interval to refresh the events displayed. Set a higher interval for best performance.', 'google-calendar-events' ); ?>"></i>
+					<i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e('If you add, edit or remove events in your calendar very often, you can set a lower interval to refresh the events displayed. Set a higher interval for best performance.', 'google-calendar-events'); ?>"></i>
 				</td>
 			</tr>
 			</tbody>
@@ -772,21 +772,21 @@ 
 	 *
 	 * @return void
 	 */
-	public static function print_panel_fields( $array, $post_id ) {
+	public static function print_panel_fields($array, $post_id) {
 
-		foreach ( $array as $section => $fields ) :
+		foreach ($array as $section => $fields) :
 
-			if ( $fields && is_array( $fields ) ) :
+			if ($fields && is_array($fields)) :
 
 				?>
-				<tbody class="simcal-panel-section simcal-panel-section-<?php echo esc_attr( $section ); ?>">
-				<?php foreach ( $fields as $key => $field ) :
+				<tbody class="simcal-panel-section simcal-panel-section-<?php echo esc_attr($section); ?>">
+				<?php foreach ($fields as $key => $field) :
 
-					$value            = get_post_meta( $post_id, $key, true );
-					$field['value']   = $value ? $value : ( isset( $field['default'] ) ? $field['default'] : '' );
-					$the_field = simcal_get_field( $field ); ?>
+					$value            = get_post_meta($post_id, $key, true);
+					$field['value']   = $value ? $value : (isset($field['default']) ? $field['default'] : '');
+					$the_field = simcal_get_field($field); ?>
 
-					<?php if ( $the_field instanceof Field ) : ?>
+					<?php if ($the_field instanceof Field) : ?>
 					<tr class="simcal-panel-field">
 						<th><label for="<?php echo $the_field->id ?>"><?php echo $the_field->title; ?></label></th>
 						<td><?php $the_field->html(); ?></td>
@@ -813,30 +813,30 @@ 
 	 *
 	 * @return void
 	 */
-	public static function save( $post_id, $post ) {
+	public static function save($post_id, $post) {
 
 		/* ====================== *
 		 * Calendar type and view *
 		 * ====================== */
 
 		// Unlink existing terms for feed type and calendar type.
-		wp_delete_object_term_relationships( $post_id, array(
+		wp_delete_object_term_relationships($post_id, array(
 			'calendar_feed',
 			'calendar_type',
-		) );
+		));
 
 		// Set the feed type as term.
-		$feed_type = isset( $_POST['_feed_type'] ) ? sanitize_title( stripslashes( $_POST['_feed_type'] ) ) : apply_filters( 'simcal_default_feed_type', 'google' );
-		wp_set_object_terms( $post_id, $feed_type, 'calendar_feed' );
+		$feed_type = isset($_POST['_feed_type']) ? sanitize_title(stripslashes($_POST['_feed_type'])) : apply_filters('simcal_default_feed_type', 'google');
+		wp_set_object_terms($post_id, $feed_type, 'calendar_feed');
 
 		// Set the calendar type as a term.
-		$calendar_type = isset( $_POST['_calendar_type'] ) ? sanitize_title( stripslashes( $_POST['_calendar_type'] ) ) : apply_filters( 'simcal_default_calendar_type', 'default-calendar' );
-		wp_set_object_terms( $post_id, $calendar_type, 'calendar_type' );
+		$calendar_type = isset($_POST['_calendar_type']) ? sanitize_title(stripslashes($_POST['_calendar_type'])) : apply_filters('simcal_default_calendar_type', 'default-calendar');
+		wp_set_object_terms($post_id, $calendar_type, 'calendar_type');
 		// Set the calendar type view as post meta.
-		$calendar_view = isset( $_POST['_calendar_view'] ) ? $_POST['_calendar_view'] : '';
-		if ( $calendar_view && is_array( $calendar_view ) ) {
-			$views = array_map( 'sanitize_title', $calendar_view );
-			update_post_meta( $post_id, '_calendar_view', $views );
+		$calendar_view = isset($_POST['_calendar_view']) ? $_POST['_calendar_view'] : '';
+		if ($calendar_view && is_array($calendar_view)) {
+			$views = array_map('sanitize_title', $calendar_view);
+			update_post_meta($post_id, '_calendar_view', $views);
 		}
 
 		/* ===================== *
@@ -844,102 +844,102 @@ 
 		 * ===================== */
 
 		// Calendar opening.
-		$calendar_begins = isset( $_POST['_calendar_begins'] ) ? sanitize_key( $_POST['_calendar_begins'] ) : 'this_month';
-		update_post_meta( $post_id, '_calendar_begins', $calendar_begins );
-		$calendar_begins_nth = isset( $_POST['_calendar_begins_nth'] ) ? absint( $_POST['_calendar_begins_nth'] ) : 2;
-		update_post_meta( $post_id, '_calendar_begins_nth', $calendar_begins_nth );
-		$calendar_begins_custom_date = isset( $_POST['_calendar_begins_custom_date'] ) ? sanitize_title( $_POST['_calendar_begins_custom_date'] ) : '';
-		update_post_meta( $post_id, '_calendar_begins_custom_date', $calendar_begins_custom_date );
+		$calendar_begins = isset($_POST['_calendar_begins']) ? sanitize_key($_POST['_calendar_begins']) : 'this_month';
+		update_post_meta($post_id, '_calendar_begins', $calendar_begins);
+		$calendar_begins_nth = isset($_POST['_calendar_begins_nth']) ? absint($_POST['_calendar_begins_nth']) : 2;
+		update_post_meta($post_id, '_calendar_begins_nth', $calendar_begins_nth);
+		$calendar_begins_custom_date = isset($_POST['_calendar_begins_custom_date']) ? sanitize_title($_POST['_calendar_begins_custom_date']) : '';
+		update_post_meta($post_id, '_calendar_begins_custom_date', $calendar_begins_custom_date);
 
 		// Feed earliest events date.
-		$earliest_events = isset( $_POST['_feed_earliest_event_date'] ) ? sanitize_key( $_POST['_feed_earliest_event_date'] ) : '';
-		update_post_meta( $post_id, '_feed_earliest_event_date', $earliest_events );
-		$earliest_events_range = isset( $_POST['_feed_earliest_event_date_range'] ) ? max( absint( $_POST['_feed_earliest_event_date_range'] ), 1 ) : 1;
-		update_post_meta( $post_id, '_feed_earliest_event_date_range', $earliest_events_range );
+		$earliest_events = isset($_POST['_feed_earliest_event_date']) ? sanitize_key($_POST['_feed_earliest_event_date']) : '';
+		update_post_meta($post_id, '_feed_earliest_event_date', $earliest_events);
+		$earliest_events_range = isset($_POST['_feed_earliest_event_date_range']) ? max(absint($_POST['_feed_earliest_event_date_range']), 1) : 1;
+		update_post_meta($post_id, '_feed_earliest_event_date_range', $earliest_events_range);
 
 		// Feed latest events date.
-		$latest_events = isset( $_POST['_feed_latest_event_date'] ) ? sanitize_key( $_POST['_feed_latest_event_date'] ) : '';
-		update_post_meta( $post_id, '_feed_latest_event_date', $latest_events );
-		$latest_events_range = isset( $_POST['_feed_latest_event_date_range'] ) ? max( absint( $_POST['_feed_latest_event_date_range'] ), 1 ) : 1;
-		update_post_meta( $post_id, '_feed_latest_event_date_range', $latest_events_range );
+		$latest_events = isset($_POST['_feed_latest_event_date']) ? sanitize_key($_POST['_feed_latest_event_date']) : '';
+		update_post_meta($post_id, '_feed_latest_event_date', $latest_events);
+		$latest_events_range = isset($_POST['_feed_latest_event_date_range']) ? max(absint($_POST['_feed_latest_event_date_range']), 1) : 1;
+		update_post_meta($post_id, '_feed_latest_event_date_range', $latest_events_range);
 
 		/* ======================= *
 		 * Calendar settings panel *
 		 * ======================= */
 
 		// Static calendar.
-		$static = isset( $_POST['_calendar_is_static'] ) ? 'yes' : 'no';
-		update_post_meta( $post_id, '_calendar_is_static', $static );
+		$static = isset($_POST['_calendar_is_static']) ? 'yes' : 'no';
+		update_post_meta($post_id, '_calendar_is_static', $static);
 
 		// No events message.
-		$message = isset( $_POST['_no_events_message'] ) ? wp_kses_post( $_POST['_no_events_message'] ) : '';
-		update_post_meta( $post_id, '_no_events_message', $message );
+		$message = isset($_POST['_no_events_message']) ? wp_kses_post($_POST['_no_events_message']) : '';
+		update_post_meta($post_id, '_no_events_message', $message);
 
 		// _event_formatting
-		$event_formatting = isset( $_POST['_event_formatting'] ) ? sanitize_key( $_POST['_event_formatting'] ) : 'preserve_linebreaks';
-		update_post_meta( $post_id, '_event_formatting', $event_formatting );
+		$event_formatting = isset($_POST['_event_formatting']) ? sanitize_key($_POST['_event_formatting']) : 'preserve_linebreaks';
+		update_post_meta($post_id, '_event_formatting', $event_formatting);
 
 		/* ======================= *
 		 * Advanced settings panel *
 		 * ======================= */
 
 		// Timezone.
-		$feed_timezone_setting = isset( $_POST['_feed_timezone_setting'] ) ? sanitize_key( $_POST['_feed_timezone_setting'] ) : 'use_calendar';
-		update_post_meta( $post_id, '_feed_timezone_setting', $feed_timezone_setting );
+		$feed_timezone_setting = isset($_POST['_feed_timezone_setting']) ? sanitize_key($_POST['_feed_timezone_setting']) : 'use_calendar';
+		update_post_meta($post_id, '_feed_timezone_setting', $feed_timezone_setting);
 		$default_timezone = simcal_get_wp_timezone();
 		$feed_timezone = $default_timezone ? $default_timezone : 'UTC';
-		$feed_timezone = isset( $_POST['_feed_timezone'] ) ? sanitize_text_field( $_POST['_feed_timezone'] ) : $feed_timezone;
-		update_post_meta( $post_id, '_feed_timezone', $feed_timezone );
+		$feed_timezone = isset($_POST['_feed_timezone']) ? sanitize_text_field($_POST['_feed_timezone']) : $feed_timezone;
+		update_post_meta($post_id, '_feed_timezone', $feed_timezone);
 
 		// Date format.
-		$date_format_setting = isset( $_POST['_calendar_date_format_setting'] ) ? sanitize_key( $_POST['_calendar_date_format_setting'] ) : 'use_site';
-		update_post_meta( $post_id, '_calendar_date_format_setting', $date_format_setting );
-		$date_format = isset( $_POST['_calendar_date_format'] ) ? sanitize_text_field( trim( $_POST['_calendar_date_format'] ) ) : get_option( 'date_format' );
-		update_post_meta( $post_id, '_calendar_date_format', $date_format );
-		$date_format_php = isset( $_POST['_calendar_date_format_php'] ) ? sanitize_text_field( trim( $_POST['_calendar_date_format_php'] ) ) : get_option( 'date_format' );
-		update_post_meta( $post_id, '_calendar_date_format_php', $date_format_php );
+		$date_format_setting = isset($_POST['_calendar_date_format_setting']) ? sanitize_key($_POST['_calendar_date_format_setting']) : 'use_site';
+		update_post_meta($post_id, '_calendar_date_format_setting', $date_format_setting);
+		$date_format = isset($_POST['_calendar_date_format']) ? sanitize_text_field(trim($_POST['_calendar_date_format'])) : get_option('date_format');
+		update_post_meta($post_id, '_calendar_date_format', $date_format);
+		$date_format_php = isset($_POST['_calendar_date_format_php']) ? sanitize_text_field(trim($_POST['_calendar_date_format_php'])) : get_option('date_format');
+		update_post_meta($post_id, '_calendar_date_format_php', $date_format_php);
 
 		// Time format.
-		$time_format_setting = isset( $_POST['_calendar_time_format_setting'] ) ? sanitize_key( $_POST['_calendar_time_format_setting'] ) : 'use_site';
-		update_post_meta( $post_id, '_calendar_time_format_setting', $time_format_setting );
-		$time_format = isset( $_POST['_calendar_time_format'] ) ? sanitize_text_field( trim( $_POST['_calendar_time_format'] ) ) : get_option( 'time_format' );
-		update_post_meta( $post_id, '_calendar_time_format', $time_format );
-		$time_format_php = isset( $_POST['_calendar_time_format_php'] ) ? sanitize_text_field( trim( $_POST['_calendar_time_format_php'] ) ) : get_option( 'time_format' );
-		update_post_meta( $post_id, '_calendar_time_format_php', $time_format_php );
+		$time_format_setting = isset($_POST['_calendar_time_format_setting']) ? sanitize_key($_POST['_calendar_time_format_setting']) : 'use_site';
+		update_post_meta($post_id, '_calendar_time_format_setting', $time_format_setting);
+		$time_format = isset($_POST['_calendar_time_format']) ? sanitize_text_field(trim($_POST['_calendar_time_format'])) : get_option('time_format');
+		update_post_meta($post_id, '_calendar_time_format', $time_format);
+		$time_format_php = isset($_POST['_calendar_time_format_php']) ? sanitize_text_field(trim($_POST['_calendar_time_format_php'])) : get_option('time_format');
+		update_post_meta($post_id, '_calendar_time_format_php', $time_format_php);
 
 		// Date-time separator.
-		$datetime_separator = isset( $_POST['_calendar_datetime_separator'] ) ? sanitize_text_field( $_POST['_calendar_datetime_separator'] ) : ' ';
-		update_post_meta( $post_id, '_calendar_datetime_separator', $datetime_separator );
+		$datetime_separator = isset($_POST['_calendar_datetime_separator']) ? sanitize_text_field($_POST['_calendar_datetime_separator']) : ' ';
+		update_post_meta($post_id, '_calendar_datetime_separator', $datetime_separator);
 
 		// Week start.
-		$week_start_setting = isset( $_POST['_calendar_week_starts_on_setting'] ) ? sanitize_key( $_POST['_calendar_week_starts_on_setting'] ) : 'use_site';
-		update_post_meta( $post_id, '_calendar_week_starts_on_setting', $week_start_setting );
-		$week_start = isset( $_POST['_calendar_week_starts_on'] ) ? intval( $_POST['_calendar_week_starts_on'] ) : get_option( 'start_of_week' );
-		update_post_meta( $post_id, '_calendar_week_starts_on', $week_start );
+		$week_start_setting = isset($_POST['_calendar_week_starts_on_setting']) ? sanitize_key($_POST['_calendar_week_starts_on_setting']) : 'use_site';
+		update_post_meta($post_id, '_calendar_week_starts_on_setting', $week_start_setting);
+		$week_start = isset($_POST['_calendar_week_starts_on']) ? intval($_POST['_calendar_week_starts_on']) : get_option('start_of_week');
+		update_post_meta($post_id, '_calendar_week_starts_on', $week_start);
 
 		// Cache interval.
 		$cache = 7200;
-		if ( isset( $_POST['_feed_cache_user_amount'] ) && isset( $_POST['_feed_cache_user_unit'] ) ) {
-			$amount = is_numeric( $_POST['_feed_cache_user_amount'] ) || $_POST['_feed_cache_user_amount'] == 0 ? absint( $_POST['_feed_cache_user_amount'] ) : 1;
-			$unit   = is_numeric( $_POST['_feed_cache_user_unit'] ) ? absint( $_POST['_feed_cache_user_unit'] ) : 3600;
-			update_post_meta( $post_id, '_feed_cache_user_amount', $amount );
-			update_post_meta( $post_id, '_feed_cache_user_unit', $unit );
-			$cache  = ( ( $amount * $unit ) > 0 ) ? $amount * $unit : 1;
+		if (isset($_POST['_feed_cache_user_amount']) && isset($_POST['_feed_cache_user_unit'])) {
+			$amount = is_numeric($_POST['_feed_cache_user_amount']) || $_POST['_feed_cache_user_amount'] == 0 ? absint($_POST['_feed_cache_user_amount']) : 1;
+			$unit   = is_numeric($_POST['_feed_cache_user_unit']) ? absint($_POST['_feed_cache_user_unit']) : 3600;
+			update_post_meta($post_id, '_feed_cache_user_amount', $amount);
+			update_post_meta($post_id, '_feed_cache_user_unit', $unit);
+			$cache  = (($amount * $unit) > 0) ? $amount * $unit : 1;
 		}
-		update_post_meta( $post_id, '_feed_cache', $cache );
+		update_post_meta($post_id, '_feed_cache', $cache);
 
 		/* ============= *
 		 * Miscellaneous *
 		 * ============= */
 
 		// Update version.
-		update_post_meta( $post_id, '_calendar_version', SIMPLE_CALENDAR_VERSION );
+		update_post_meta($post_id, '_calendar_version', SIMPLE_CALENDAR_VERSION);
 
 		// Action hook.
-		do_action( 'simcal_process_settings_meta', $post_id );
+		do_action('simcal_process_settings_meta', $post_id);
 
 		// Clear cache.
-		simcal_delete_feed_transients( $post_id );
+		simcal_delete_feed_transients($post_id);
 	}
 
 }