update sabre/vobject

21 files changed, 388 insertions, 624 deletions

diff --git a/vendor/sabre/vobject/lib/Property/Binary.php b/vendor/sabre/vobject/lib/Property/Binary.php
index d54cae25d..830dd9028 100644
--- a/vendor/sabre/vobject/lib/Property/Binary.php
+++ b/vendor/sabre/vobject/lib/Property/Binary.php
@@ -18,8 +18,8 @@ use Sabre\VObject\Property;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class Binary extends Property {
-
+class Binary extends Property
+{
     /**
      * In case this is a multi-value property. This string will be used as a
      * delimiter.
@@ -34,25 +34,18 @@ class Binary extends Property {
      * This may be either a single, or multiple strings in an array.
      *
      * @param string|array $value
-     *
-     * @return void
      */
-    function setValue($value) {
-
+    public function setValue($value)
+    {
         if (is_array($value)) {
-
-            if (count($value) === 1) {
+            if (1 === count($value)) {
                 $this->value = $value[0];
             } else {
                 throw new \InvalidArgumentException('The argument must either be a string or an array with only one child');
             }
-
         } else {
-
             $this->value = $value;
-
         }
-
     }
 
     /**
@@ -62,13 +55,10 @@ class Binary extends Property {
      * not yet done, but parameters are not included.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setRawMimeDirValue($val) {
-
+    public function setRawMimeDirValue($val)
+    {
         $this->value = base64_decode($val);
-
     }
 
     /**
@@ -76,10 +66,9 @@ class Binary extends Property {
      *
      * @return string
      */
-    function getRawMimeDirValue() {
-
+    public function getRawMimeDirValue()
+    {
         return base64_encode($this->value);
-
     }
 
     /**
@@ -90,10 +79,9 @@ class Binary extends Property {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'BINARY';
-
     }
 
     /**
@@ -103,10 +91,9 @@ class Binary extends Property {
      *
      * @return array
      */
-    function getJsonValue() {
-
+    public function getJsonValue()
+    {
         return [base64_encode($this->getValue())];
-
     }
 
     /**
@@ -115,14 +102,10 @@ class Binary extends Property {
      * The value must always be an array.
      *
      * @param array $value
-     *
-     * @return void
      */
-    function setJsonValue(array $value) {
-
+    public function setJsonValue(array $value)
+    {
         $value = array_map('base64_decode', $value);
         parent::setJsonValue($value);
-
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/Boolean.php b/vendor/sabre/vobject/lib/Property/Boolean.php
index 6f5887e25..1b219bb8c 100644
--- a/vendor/sabre/vobject/lib/Property/Boolean.php
+++ b/vendor/sabre/vobject/lib/Property/Boolean.php
@@ -17,8 +17,8 @@ use
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class Boolean extends Property {
-
+class Boolean extends Property
+{
     /**
      * Sets a raw value coming from a mimedir (iCalendar/vCard) file.
      *
@@ -26,14 +26,11 @@ class Boolean extends Property {
      * not yet done, but parameters are not included.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setRawMimeDirValue($val) {
-
-        $val = strtoupper($val) === 'TRUE' ? true : false;
+    public function setRawMimeDirValue($val)
+    {
+        $val = 'TRUE' === strtoupper($val) ? true : false;
         $this->setValue($val);
-
     }
 
     /**
@@ -41,10 +38,9 @@ class Boolean extends Property {
      *
      * @return string
      */
-    function getRawMimeDirValue() {
-
+    public function getRawMimeDirValue()
+    {
         return $this->value ? 'TRUE' : 'FALSE';
-
     }
 
     /**
@@ -55,10 +51,9 @@ class Boolean extends Property {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'BOOLEAN';
-
     }
 
     /**
@@ -66,19 +61,15 @@ class Boolean extends Property {
      * object.
      *
      * @param array $value
-     *
-     * @return void
      */
-    function setXmlValue(array $value) {
-
+    public function setXmlValue(array $value)
+    {
         $value = array_map(
-            function($value) {
+            function ($value) {
                 return 'true' === $value;
             },
             $value
         );
         parent::setXmlValue($value);
-
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/FlatText.php b/vendor/sabre/vobject/lib/Property/FlatText.php
index 2c7b43c29..d15cfe051 100644
--- a/vendor/sabre/vobject/lib/Property/FlatText.php
+++ b/vendor/sabre/vobject/lib/Property/FlatText.php
@@ -22,8 +22,8 @@ namespace Sabre\VObject\Property;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class FlatText extends Text {
-
+class FlatText extends Text
+{
     /**
      * Field separator.
      *
@@ -37,14 +37,10 @@ class FlatText extends Text {
      * Overriding this so we're not splitting on a ; delimiter.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setQuotedPrintableValue($val) {
-
+    public function setQuotedPrintableValue($val)
+    {
         $val = quoted_printable_decode($val);
         $this->setValue($val);
-
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/FloatValue.php b/vendor/sabre/vobject/lib/Property/FloatValue.php
index 15b119549..208d74516 100644
--- a/vendor/sabre/vobject/lib/Property/FloatValue.php
+++ b/vendor/sabre/vobject/lib/Property/FloatValue.php
@@ -15,8 +15,8 @@ use Sabre\Xml;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class FloatValue extends Property {
-
+class FloatValue extends Property
+{
     /**
      * In case this is a multi-value property. This string will be used as a
      * delimiter.
@@ -32,17 +32,14 @@ class FloatValue extends Property {
      * not yet done, but parameters are not included.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setRawMimeDirValue($val) {
-
+    public function setRawMimeDirValue($val)
+    {
         $val = explode($this->delimiter, $val);
         foreach ($val as &$item) {
-            $item = (float)$item;
+            $item = (float) $item;
         }
         $this->setParts($val);
-
     }
 
     /**
@@ -50,13 +47,12 @@ class FloatValue extends Property {
      *
      * @return string
      */
-    function getRawMimeDirValue() {
-
+    public function getRawMimeDirValue()
+    {
         return implode(
             $this->delimiter,
             $this->getParts()
         );
-
     }
 
     /**
@@ -67,10 +63,9 @@ class FloatValue extends Property {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'FLOAT';
-
     }
 
     /**
@@ -80,20 +75,19 @@ class FloatValue extends Property {
      *
      * @return array
      */
-    function getJsonValue() {
-
+    public function getJsonValue()
+    {
         $val = array_map('floatval', $this->getParts());
 
         // Special-casing the GEO property.
         //
         // See:
         // http://tools.ietf.org/html/draft-ietf-jcardcal-jcal-04#section-3.4.1.2
-        if ($this->name === 'GEO') {
+        if ('GEO' === $this->name) {
             return [$val];
         }
 
         return $val;
-
     }
 
     /**
@@ -101,42 +95,32 @@ class FloatValue extends Property {
      * object.
      *
      * @param array $value
-     *
-     * @return void
      */
-    function setXmlValue(array $value) {
-
+    public function setXmlValue(array $value)
+    {
         $value = array_map('floatval', $value);
         parent::setXmlValue($value);
-
     }
 
     /**
      * This method serializes only the value of a property. This is used to
      * create xCard or xCal documents.
      *
-     * @param Xml\Writer $writer  XML writer.
-     *
-     * @return void
+     * @param Xml\Writer $writer XML writer
      */
-    protected function xmlSerializeValue(Xml\Writer $writer) {
-
+    protected function xmlSerializeValue(Xml\Writer $writer)
+    {
         // Special-casing the GEO property.
         //
         // See:
         // http://tools.ietf.org/html/rfc6321#section-3.4.1.2
-        if ($this->name === 'GEO') {
-
+        if ('GEO' === $this->name) {
             $value = array_map('floatval', $this->getParts());
 
             $writer->writeElement('latitude', $value[0]);
             $writer->writeElement('longitude', $value[1]);
-
-        }
-        else {
+        } else {
             parent::xmlSerializeValue($writer);
         }
-
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/ICalendar/CalAddress.php b/vendor/sabre/vobject/lib/Property/ICalendar/CalAddress.php
index a0c4a9b9a..e89bb31f9 100644
--- a/vendor/sabre/vobject/lib/Property/ICalendar/CalAddress.php
+++ b/vendor/sabre/vobject/lib/Property/ICalendar/CalAddress.php
@@ -14,8 +14,8 @@ use
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class CalAddress extends Text {
-
+class CalAddress extends Text
+{
     /**
      * In case this is a multi-value property. This string will be used as a
      * delimiter.
@@ -32,10 +32,9 @@ class CalAddress extends Text {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'CAL-ADDRESS';
-
     }
 
     /**
@@ -48,14 +47,14 @@ class CalAddress extends Text {
      *
      * @return string
      */
-    function getNormalizedValue() {
-
+    public function getNormalizedValue()
+    {
         $input = $this->getValue();
         if (!strpos($input, ':')) {
             return $input;
         }
         list($schema, $everythingElse) = explode(':', $input, 2);
-        return strtolower($schema) . ':' . $everythingElse;
 
+        return strtolower($schema).':'.$everythingElse;
     }
 }
diff --git a/vendor/sabre/vobject/lib/Property/ICalendar/Date.php b/vendor/sabre/vobject/lib/Property/ICalendar/Date.php
index 378a0d60a..d8e86d13e 100644
--- a/vendor/sabre/vobject/lib/Property/ICalendar/Date.php
+++ b/vendor/sabre/vobject/lib/Property/ICalendar/Date.php
@@ -13,6 +13,6 @@ namespace Sabre\VObject\Property\ICalendar;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class Date extends DateTime {
-
+class Date extends DateTime
+{
 }
diff --git a/vendor/sabre/vobject/lib/Property/ICalendar/DateTime.php b/vendor/sabre/vobject/lib/Property/ICalendar/DateTime.php
index d580d4f68..7eb3e0bb7 100644
--- a/vendor/sabre/vobject/lib/Property/ICalendar/DateTime.php
+++ b/vendor/sabre/vobject/lib/Property/ICalendar/DateTime.php
@@ -24,8 +24,8 @@ use Sabre\VObject\TimeZoneUtil;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class DateTime extends Property {
-
+class DateTime extends Property
+{
     /**
      * In case this is a multi-value property. This string will be used as a
      * delimiter.
@@ -40,17 +40,14 @@ class DateTime extends Property {
      * You may also specify DateTime objects here.
      *
      * @param array $parts
-     *
-     * @return void
      */
-    function setParts(array $parts) {
-
+    public function setParts(array $parts)
+    {
         if (isset($parts[0]) && $parts[0] instanceof DateTimeInterface) {
             $this->setDateTimes($parts);
         } else {
             parent::setParts($parts);
         }
-
     }
 
     /**
@@ -61,11 +58,9 @@ class DateTime extends Property {
      * Instead of strings, you may also use DateTime here.
      *
      * @param string|array|DateTimeInterface $value
-     *
-     * @return void
      */
-    function setValue($value) {
-
+    public function setValue($value)
+    {
         if (is_array($value) && isset($value[0]) && $value[0] instanceof DateTimeInterface) {
             $this->setDateTimes($value);
         } elseif ($value instanceof DateTimeInterface) {
@@ -73,7 +68,6 @@ class DateTime extends Property {
         } else {
             parent::setValue($value);
         }
-
     }
 
     /**
@@ -83,13 +77,10 @@ class DateTime extends Property {
      * not yet done, but parameters are not included.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setRawMimeDirValue($val) {
-
+    public function setRawMimeDirValue($val)
+    {
         $this->setValue(explode($this->delimiter, $val));
-
     }
 
     /**
@@ -97,10 +88,9 @@ class DateTime extends Property {
      *
      * @return string
      */
-    function getRawMimeDirValue() {
-
+    public function getRawMimeDirValue()
+    {
         return implode($this->delimiter, $this->getParts());
-
     }
 
     /**
@@ -108,10 +98,9 @@ class DateTime extends Property {
      *
      * @return bool
      */
-    function hasTime() {
-
-        return strtoupper((string)$this['VALUE']) !== 'DATE';
-
+    public function hasTime()
+    {
+        return 'DATE' !== strtoupper((string) $this['VALUE']);
     }
 
     /**
@@ -119,15 +108,14 @@ class DateTime extends Property {
      *
      * Note that DATE is always floating.
      */
-    function isFloating() {
-
+    public function isFloating()
+    {
         return
             !$this->hasTime() ||
             (
                 !isset($this['TZID']) &&
-                strpos($this->getValue(), 'Z') === false
+                false === strpos($this->getValue(), 'Z')
             );
-
     }
 
     /**
@@ -143,15 +131,16 @@ class DateTime extends Property {
      *
      * @param DateTimeZone $timeZone
      *
-     * @return DateTimeImmutable
+     * @return \DateTimeImmutable
      */
-    function getDateTime(DateTimeZone $timeZone = null) {
-
+    public function getDateTime(DateTimeZone $timeZone = null)
+    {
         $dt = $this->getDateTimes($timeZone);
-        if (!$dt) return;
+        if (!$dt) {
+            return;
+        }
 
         return $dt[0];
-
     }
 
     /**
@@ -163,38 +152,35 @@ class DateTime extends Property {
      *
      * @param DateTimeZone $timeZone
      *
-     * @return DateTimeImmutable[]
+     * @return \DateTimeImmutable[]
      * @return \DateTime[]
      */
-    function getDateTimes(DateTimeZone $timeZone = null) {
-
+    public function getDateTimes(DateTimeZone $timeZone = null)
+    {
         // Does the property have a TZID?
         $tzid = $this['TZID'];
 
         if ($tzid) {
-            $timeZone = TimeZoneUtil::getTimeZone((string)$tzid, $this->root);
+            $timeZone = TimeZoneUtil::getTimeZone((string) $tzid, $this->root);
         }
 
         $dts = [];
         foreach ($this->getParts() as $part) {
             $dts[] = DateTimeParser::parse($part, $timeZone);
         }
-        return $dts;
 
+        return $dts;
     }
 
     /**
      * Sets the property as a DateTime object.
      *
      * @param DateTimeInterface $dt
-     * @param bool isFloating If set to true, timezones will be ignored.
-     *
-     * @return void
+     * @param bool isFloating If set to true, timezones will be ignored
      */
-    function setDateTime(DateTimeInterface $dt, $isFloating = false) {
-
+    public function setDateTime(DateTimeInterface $dt, $isFloating = false)
+    {
         $this->setDateTimes([$dt], $isFloating);
-
     }
 
     /**
@@ -204,21 +190,17 @@ class DateTime extends Property {
      * the otehr values will be adjusted for that timezone
      *
      * @param DateTimeInterface[] $dt
-     * @param bool isFloating If set to true, timezones will be ignored.
-     *
-     * @return void
+     * @param bool isFloating If set to true, timezones will be ignored
      */
-    function setDateTimes(array $dt, $isFloating = false) {
-
+    public function setDateTimes(array $dt, $isFloating = false)
+    {
         $values = [];
 
         if ($this->hasTime()) {
-
             $tz = null;
             $isUtc = false;
 
             foreach ($dt as $d) {
-
                 if ($isFloating) {
                     $values[] = $d->format('Ymd\\THis');
                     continue;
@@ -238,25 +220,18 @@ class DateTime extends Property {
                 } else {
                     $values[] = $d->format('Ymd\\THis');
                 }
-
             }
             if ($isUtc || $isFloating) {
                 $this->offsetUnset('TZID');
             }
-
         } else {
-
             foreach ($dt as $d) {
-
                 $values[] = $d->format('Ymd');
-
             }
             $this->offsetUnset('TZID');
-
         }
 
         $this->value = $values;
-
     }
 
     /**
@@ -267,10 +242,9 @@ class DateTime extends Property {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return $this->hasTime() ? 'DATE-TIME' : 'DATE';
-
     }
 
     /**
@@ -280,8 +254,8 @@ class DateTime extends Property {
      *
      * @return array
      */
-    function getJsonValue() {
-
+    public function getJsonValue()
+    {
         $dts = $this->getDateTimes();
         $hasTime = $this->hasTime();
         $isFloating = $this->isFloating();
@@ -290,18 +264,15 @@ class DateTime extends Property {
         $isUtc = $isFloating ? false : in_array($tz->getName(), ['UTC', 'GMT', 'Z']);
 
         return array_map(
-            function(DateTimeInterface $dt) use ($hasTime, $isUtc) {
-
+            function (DateTimeInterface $dt) use ($hasTime, $isUtc) {
                 if ($hasTime) {
-                    return $dt->format('Y-m-d\\TH:i:s') . ($isUtc ? 'Z' : '');
+                    return $dt->format('Y-m-d\\TH:i:s').($isUtc ? 'Z' : '');
                 } else {
                     return $dt->format('Y-m-d');
                 }
-
             },
             $dts
         );
-
     }
 
     /**
@@ -310,26 +281,21 @@ class DateTime extends Property {
      * The value must always be an array.
      *
      * @param array $value
-     *
-     * @return void
      */
-    function setJsonValue(array $value) {
-
+    public function setJsonValue(array $value)
+    {
         // dates and times in jCal have one difference to dates and times in
         // iCalendar. In jCal date-parts are separated by dashes, and
         // time-parts are separated by colons. It makes sense to just remove
         // those.
         $this->setValue(
             array_map(
-                function($item) {
-
+                function ($item) {
                     return strtr($item, [':' => '', '-' => '']);
-
                 },
                 $value
             )
         );
-
     }
 
     /**
@@ -337,20 +303,17 @@ class DateTime extends Property {
      * VALUE from DATE-TIME to DATE or vice-versa.
      *
      * @param string $name
-     * @param mixed $value
-     *
-     * @return void
+     * @param mixed  $value
      */
-    function offsetSet($name, $value) {
-
+    public function offsetSet($name, $value)
+    {
         parent::offsetSet($name, $value);
-        if (strtoupper($name) !== 'VALUE') {
+        if ('VALUE' !== strtoupper($name)) {
             return;
         }
 
         // This will ensure that dates are correctly encoded.
         $this->setDateTimes($this->getDateTimes());
-
     }
 
     /**
@@ -375,30 +338,30 @@ class DateTime extends Property {
      *
      * @return array
      */
-    function validate($options = 0) {
-
+    public function validate($options = 0)
+    {
         $messages = parent::validate($options);
         $valueType = $this->getValueType();
         $values = $this->getParts();
         try {
             foreach ($values as $value) {
                 switch ($valueType) {
-                    case 'DATE' :
+                    case 'DATE':
                         DateTimeParser::parseDate($value);
                         break;
-                    case 'DATE-TIME' :
+                    case 'DATE-TIME':
                         DateTimeParser::parseDateTime($value);
                         break;
                 }
             }
         } catch (InvalidDataException $e) {
             $messages[] = [
-                'level'   => 3,
-                'message' => 'The supplied value (' . $value . ') is not a correct ' . $valueType,
-                'node'    => $this,
+                'level' => 3,
+                'message' => 'The supplied value ('.$value.') is not a correct '.$valueType,
+                'node' => $this,
             ];
         }
-        return $messages;
 
+        return $messages;
     }
 }
diff --git a/vendor/sabre/vobject/lib/Property/ICalendar/Duration.php b/vendor/sabre/vobject/lib/Property/ICalendar/Duration.php
index 7b7e1ce8e..87f008160 100644
--- a/vendor/sabre/vobject/lib/Property/ICalendar/Duration.php
+++ b/vendor/sabre/vobject/lib/Property/ICalendar/Duration.php
@@ -16,8 +16,8 @@ use Sabre\VObject\Property;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class Duration extends Property {
-
+class Duration extends Property
+{
     /**
      * In case this is a multi-value property. This string will be used as a
      * delimiter.
@@ -33,13 +33,10 @@ class Duration extends Property {
      * not yet done, but parameters are not included.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setRawMimeDirValue($val) {
-
+    public function setRawMimeDirValue($val)
+    {
         $this->setValue(explode($this->delimiter, $val));
-
     }
 
     /**
@@ -47,10 +44,9 @@ class Duration extends Property {
      *
      * @return string
      */
-    function getRawMimeDirValue() {
-
+    public function getRawMimeDirValue()
+    {
         return implode($this->delimiter, $this->getParts());
-
     }
 
     /**
@@ -61,10 +57,9 @@ class Duration extends Property {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'DURATION';
-
     }
 
     /**
@@ -74,12 +69,11 @@ class Duration extends Property {
      *
      * @return \DateInterval
      */
-    function getDateInterval() {
-
+    public function getDateInterval()
+    {
         $parts = $this->getParts();
         $value = $parts[0];
-        return DateTimeParser::parseDuration($value);
 
+        return DateTimeParser::parseDuration($value);
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/ICalendar/Period.php b/vendor/sabre/vobject/lib/Property/ICalendar/Period.php
index d35b425aa..17bfa5c5c 100644
--- a/vendor/sabre/vobject/lib/Property/ICalendar/Period.php
+++ b/vendor/sabre/vobject/lib/Property/ICalendar/Period.php
@@ -17,8 +17,8 @@ use Sabre\Xml;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class Period extends Property {
-
+class Period extends Property
+{
     /**
      * In case this is a multi-value property. This string will be used as a
      * delimiter.
@@ -34,13 +34,10 @@ class Period extends Property {
      * not yet done, but parameters are not included.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setRawMimeDirValue($val) {
-
+    public function setRawMimeDirValue($val)
+    {
         $this->setValue(explode($this->delimiter, $val));
-
     }
 
     /**
@@ -48,10 +45,9 @@ class Period extends Property {
      *
      * @return string
      */
-    function getRawMimeDirValue() {
-
+    public function getRawMimeDirValue()
+    {
         return implode($this->delimiter, $this->getParts());
-
     }
 
     /**
@@ -62,10 +58,9 @@ class Period extends Property {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'PERIOD';
-
     }
 
     /**
@@ -74,21 +69,16 @@ class Period extends Property {
      * The value must always be an array.
      *
      * @param array $value
-     *
-     * @return void
      */
-    function setJsonValue(array $value) {
-
+    public function setJsonValue(array $value)
+    {
         $value = array_map(
-            function($item) {
-
+            function ($item) {
                 return strtr(implode('/', $item), [':' => '', '-' => '']);
-
             },
             $value
         );
         parent::setJsonValue($value);
-
     }
 
     /**
@@ -98,20 +88,19 @@ class Period extends Property {
      *
      * @return array
      */
-    function getJsonValue() {
-
+    public function getJsonValue()
+    {
         $return = [];
         foreach ($this->getParts() as $item) {
-
             list($start, $end) = explode('/', $item, 2);
 
             $start = DateTimeParser::parseDateTime($start);
 
             // This is a duration value.
-            if ($end[0] === 'P') {
+            if ('P' === $end[0]) {
                 $return[] = [
                     $start->format('Y-m-d\\TH:i:s'),
-                    $end
+                    $end,
                 ];
             } else {
                 $end = DateTimeParser::parseDateTime($end);
@@ -120,36 +109,29 @@ class Period extends Property {
                     $end->format('Y-m-d\\TH:i:s'),
                 ];
             }
-
         }
 
         return $return;
-
     }
 
     /**
      * This method serializes only the value of a property. This is used to
      * create xCard or xCal documents.
      *
-     * @param Xml\Writer $writer  XML writer.
-     *
-     * @return void
+     * @param Xml\Writer $writer XML writer
      */
-    protected function xmlSerializeValue(Xml\Writer $writer) {
-
+    protected function xmlSerializeValue(Xml\Writer $writer)
+    {
         $writer->startElement(strtolower($this->getValueType()));
         $value = $this->getJsonValue();
         $writer->writeElement('start', $value[0][0]);
 
-        if ($value[0][1][0] === 'P') {
+        if ('P' === $value[0][1][0]) {
             $writer->writeElement('duration', $value[0][1]);
-        }
-        else {
+        } else {
             $writer->writeElement('end', $value[0][1]);
         }
 
         $writer->endElement();
-
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/ICalendar/Recur.php b/vendor/sabre/vobject/lib/Property/ICalendar/Recur.php
index 434b77088..baeda781e 100644
--- a/vendor/sabre/vobject/lib/Property/ICalendar/Recur.php
+++ b/vendor/sabre/vobject/lib/Property/ICalendar/Recur.php
@@ -22,36 +22,33 @@ use Sabre\Xml;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class Recur extends Property {
-
+class Recur extends Property
+{
     /**
      * Updates the current value.
      *
      * This may be either a single, or multiple strings in an array.
      *
      * @param string|array $value
-     *
-     * @return void
      */
-    function setValue($value) {
-
+    public function setValue($value)
+    {
         // If we're getting the data from json, we'll be receiving an object
         if ($value instanceof \StdClass) {
-            $value = (array)$value;
+            $value = (array) $value;
         }
 
         if (is_array($value)) {
             $newVal = [];
             foreach ($value as $k => $v) {
-
                 if (is_string($v)) {
                     $v = strtoupper($v);
 
                     // The value had multiple sub-values
-                    if (strpos($v, ',') !== false) {
+                    if (false !== strpos($v, ',')) {
                         $v = explode(',', $v);
                     }
-                    if (strcmp($k, 'until') === 0) {
+                    if (0 === strcmp($k, 'until')) {
                         $v = strtr($v, [':' => '', '-' => '']);
                     }
                 } elseif (is_array($v)) {
@@ -66,7 +63,6 @@ class Recur extends Property {
         } else {
             throw new \InvalidArgumentException('You must either pass a string, or a key=>value array');
         }
-
     }
 
     /**
@@ -80,26 +76,24 @@ class Recur extends Property {
      *
      * @return string
      */
-    function getValue() {
-
+    public function getValue()
+    {
         $out = [];
         foreach ($this->value as $key => $value) {
-            $out[] = $key . '=' . (is_array($value) ? implode(',', $value) : $value);
+            $out[] = $key.'='.(is_array($value) ? implode(',', $value) : $value);
         }
-        return strtoupper(implode(';', $out));
 
+        return strtoupper(implode(';', $out));
     }
 
     /**
      * Sets a multi-valued property.
      *
      * @param array $parts
-     * @return void
      */
-    function setParts(array $parts) {
-
+    public function setParts(array $parts)
+    {
         $this->setValue($parts);
-
     }
 
     /**
@@ -110,10 +104,9 @@ class Recur extends Property {
      *
      * @return array
      */
-    function getParts() {
-
+    public function getParts()
+    {
         return $this->value;
-
     }
 
     /**
@@ -123,13 +116,10 @@ class Recur extends Property {
      * not yet done, but parameters are not included.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setRawMimeDirValue($val) {
-
+    public function setRawMimeDirValue($val)
+    {
         $this->setValue($val);
-
     }
 
     /**
@@ -137,10 +127,9 @@ class Recur extends Property {
      *
      * @return string
      */
-    function getRawMimeDirValue() {
-
+    public function getRawMimeDirValue()
+    {
         return $this->getValue();
-
     }
 
     /**
@@ -151,10 +140,9 @@ class Recur extends Property {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'RECUR';
-
     }
 
     /**
@@ -164,39 +152,36 @@ class Recur extends Property {
      *
      * @return array
      */
-    function getJsonValue() {
-
+    public function getJsonValue()
+    {
         $values = [];
         foreach ($this->getParts() as $k => $v) {
-            if (strcmp($k, 'UNTIL') === 0) {
+            if (0 === strcmp($k, 'UNTIL')) {
                 $date = new DateTime($this->root, null, $v);
                 $values[strtolower($k)] = $date->getJsonValue()[0];
-            } elseif (strcmp($k, 'COUNT') === 0) {
+            } elseif (0 === strcmp($k, 'COUNT')) {
                 $values[strtolower($k)] = intval($v);
             } else {
                 $values[strtolower($k)] = $v;
             }
         }
-        return [$values];
 
+        return [$values];
     }
 
     /**
      * This method serializes only the value of a property. This is used to
      * create xCard or xCal documents.
      *
-     * @param Xml\Writer $writer  XML writer.
-     *
-     * @return void
+     * @param Xml\Writer $writer XML writer
      */
-    protected function xmlSerializeValue(Xml\Writer $writer) {
-
+    protected function xmlSerializeValue(Xml\Writer $writer)
+    {
         $valueType = strtolower($this->getValueType());
 
         foreach ($this->getJsonValue() as $value) {
             $writer->writeElement($valueType, $value);
         }
-
     }
 
     /**
@@ -206,12 +191,11 @@ class Recur extends Property {
      *
      * @return array
      */
-    static function stringToArray($value) {
-
+    public static function stringToArray($value)
+    {
         $value = strtoupper($value);
         $newValue = [];
         foreach (explode(';', $value) as $part) {
-
             // Skipping empty parts.
             if (empty($part)) {
                 continue;
@@ -219,11 +203,10 @@ class Recur extends Property {
             list($partName, $partValue) = explode('=', $part);
 
             // The value itself had multiple values..
-            if (strpos($partValue, ',') !== false) {
+            if (false !== strpos($partValue, ',')) {
                 $partValue = explode(',', $partValue);
             }
             $newValue[$partName] = $partValue;
-
         }
 
         return $newValue;
@@ -251,32 +234,31 @@ class Recur extends Property {
      *
      * @return array
      */
-    function validate($options = 0) {
-
+    public function validate($options = 0)
+    {
         $repair = ($options & self::REPAIR);
 
         $warnings = parent::validate($options);
         $values = $this->getParts();
 
         foreach ($values as $key => $value) {
-
-            if ($value === '') {
+            if ('' === $value) {
                 $warnings[] = [
-                    'level'   => $repair ? 1 : 3,
-                    'message' => 'Invalid value for ' . $key . ' in ' . $this->name,
-                    'node'    => $this
+                    'level' => $repair ? 1 : 3,
+                    'message' => 'Invalid value for '.$key.' in '.$this->name,
+                    'node' => $this,
                 ];
                 if ($repair) {
                     unset($values[$key]);
                 }
-            } elseif ($key == 'BYMONTH') {
-                $byMonth = (array)$value;
+            } elseif ('BYMONTH' == $key) {
+                $byMonth = (array) $value;
                 foreach ($byMonth as $i => $v) {
-                    if (!is_numeric($v) || (int)$v < 1 || (int)$v > 12) {
+                    if (!is_numeric($v) || (int) $v < 1 || (int) $v > 12) {
                         $warnings[] = [
-                            'level'   => $repair ? 1 : 3,
+                            'level' => $repair ? 1 : 3,
                             'message' => 'BYMONTH in RRULE must have value(s) between 1 and 12!',
-                            'node'    => $this
+                            'node' => $this,
                         ];
                         if ($repair) {
                             if (is_array($value)) {
@@ -291,14 +273,14 @@ class Recur extends Property {
                 if (is_array($value) && empty($values[$key])) {
                     unset($values[$key]);
                 }
-            } elseif ($key == 'BYWEEKNO') {
-                $byWeekNo = (array)$value;
+            } elseif ('BYWEEKNO' == $key) {
+                $byWeekNo = (array) $value;
                 foreach ($byWeekNo as $i => $v) {
-                    if (!is_numeric($v) || (int)$v < -53 || (int)$v == 0 || (int)$v > 53) {
+                    if (!is_numeric($v) || (int) $v < -53 || 0 == (int) $v || (int) $v > 53) {
                         $warnings[] = [
-                            'level'   => $repair ? 1 : 3,
+                            'level' => $repair ? 1 : 3,
                             'message' => 'BYWEEKNO in RRULE must have value(s) from -53 to -1, or 1 to 53!',
-                            'node'    => $this
+                            'node' => $this,
                         ];
                         if ($repair) {
                             if (is_array($value)) {
@@ -313,14 +295,14 @@ class Recur extends Property {
                 if (is_array($value) && empty($values[$key])) {
                     unset($values[$key]);
                 }
-            } elseif ($key == 'BYYEARDAY') {
-                $byYearDay = (array)$value;
+            } elseif ('BYYEARDAY' == $key) {
+                $byYearDay = (array) $value;
                 foreach ($byYearDay as $i => $v) {
-                    if (!is_numeric($v) || (int)$v < -366 || (int)$v == 0 || (int)$v > 366) {
+                    if (!is_numeric($v) || (int) $v < -366 || 0 == (int) $v || (int) $v > 366) {
                         $warnings[] = [
-                            'level'   => $repair ? 1 : 3,
+                            'level' => $repair ? 1 : 3,
                             'message' => 'BYYEARDAY in RRULE must have value(s) from -366 to -1, or 1 to 366!',
-                            'node'    => $this
+                            'node' => $this,
                         ];
                         if ($repair) {
                             if (is_array($value)) {
@@ -336,13 +318,12 @@ class Recur extends Property {
                     unset($values[$key]);
                 }
             }
-
         }
         if (!isset($values['FREQ'])) {
             $warnings[] = [
-                'level'   => $repair ? 1 : 3,
-                'message' => 'FREQ is required in ' . $this->name,
-                'node'    => $this
+                'level' => $repair ? 1 : 3,
+                'message' => 'FREQ is required in '.$this->name,
+                'node' => $this,
             ];
             if ($repair) {
                 $this->parent->remove($this);
@@ -353,7 +334,5 @@ class Recur extends Property {
         }
 
         return $warnings;
-
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/IntegerValue.php b/vendor/sabre/vobject/lib/Property/IntegerValue.php
index 5bd1887fa..ddd71d731 100644
--- a/vendor/sabre/vobject/lib/Property/IntegerValue.php
+++ b/vendor/sabre/vobject/lib/Property/IntegerValue.php
@@ -15,8 +15,8 @@ use
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class IntegerValue extends Property {
-
+class IntegerValue extends Property
+{
     /**
      * Sets a raw value coming from a mimedir (iCalendar/vCard) file.
      *
@@ -24,13 +24,10 @@ class IntegerValue extends Property {
      * not yet done, but parameters are not included.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setRawMimeDirValue($val) {
-
-        $this->setValue((int)$val);
-
+    public function setRawMimeDirValue($val)
+    {
+        $this->setValue((int) $val);
     }
 
     /**
@@ -38,10 +35,9 @@ class IntegerValue extends Property {
      *
      * @return string
      */
-    function getRawMimeDirValue() {
-
+    public function getRawMimeDirValue()
+    {
         return $this->value;
-
     }
 
     /**
@@ -52,10 +48,9 @@ class IntegerValue extends Property {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'INTEGER';
-
     }
 
     /**
@@ -65,10 +60,9 @@ class IntegerValue extends Property {
      *
      * @return array
      */
-    function getJsonValue() {
-
-        return [(int)$this->getValue()];
-
+    public function getJsonValue()
+    {
+        return [(int) $this->getValue()];
     }
 
     /**
@@ -76,13 +70,10 @@ class IntegerValue extends Property {
      * object.
      *
      * @param array $value
-     *
-     * @return void
      */
-    function setXmlValue(array $value) {
-
+    public function setXmlValue(array $value)
+    {
         $value = array_map('intval', $value);
         parent::setXmlValue($value);
-
     }
 }
diff --git a/vendor/sabre/vobject/lib/Property/Text.php b/vendor/sabre/vobject/lib/Property/Text.php
index 47a86ccc9..23c945551 100644
--- a/vendor/sabre/vobject/lib/Property/Text.php
+++ b/vendor/sabre/vobject/lib/Property/Text.php
@@ -17,8 +17,8 @@ use Sabre\Xml;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class Text extends Property {
-
+class Text extends Property
+{
     /**
      * In case this is a multi-value property. This string will be used as a
      * delimiter.
@@ -53,7 +53,7 @@ class Text extends Property {
      * @var array
      */
     protected $minimumPropertyValues = [
-        'N'   => 5,
+        'N' => 5,
         'ADR' => 7,
     ];
 
@@ -64,16 +64,14 @@ class Text extends Property {
      * parameters will automatically be created, or you can just pass a list of
      * Parameter objects.
      *
-     * @param Component $root The root document
-     * @param string $name
+     * @param Component         $root       The root document
+     * @param string            $name
      * @param string|array|null $value
-     * @param array $parameters List of parameters
-     * @param string $group The vcard property group
-     *
-     * @return void
+     * @param array             $parameters List of parameters
+     * @param string            $group      The vcard property group
      */
-    function __construct(Component $root, $name, $value = null, array $parameters = [], $group = null) {
-
+    public function __construct(Component $root, $name, $value = null, array $parameters = [], $group = null)
+    {
         // There's two types of multi-valued text properties:
         // 1. multivalue properties.
         // 2. structured value properties
@@ -84,7 +82,6 @@ class Text extends Property {
         }
 
         parent::__construct($root, $name, $value, $parameters, $group);
-
     }
 
     /**
@@ -94,24 +91,19 @@ class Text extends Property {
      * not yet done, but parameters are not included.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setRawMimeDirValue($val) {
-
+    public function setRawMimeDirValue($val)
+    {
         $this->setValue(MimeDir::unescapeValue($val, $this->delimiter));
-
     }
 
     /**
      * Sets the value as a quoted-printable encoded string.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setQuotedPrintableValue($val) {
-
+    public function setQuotedPrintableValue($val)
+    {
         $val = quoted_printable_decode($val);
 
         // Quoted printable only appears in vCard 2.1, and the only character
@@ -123,7 +115,6 @@ class Text extends Property {
         $regex = '# (?<!\\\\) ; #x';
         $matches = preg_split($regex, $val);
         $this->setValue($matches);
-
     }
 
     /**
@@ -131,8 +122,8 @@ class Text extends Property {
      *
      * @return string
      */
-    function getRawMimeDirValue() {
-
+    public function getRawMimeDirValue()
+    {
         $val = $this->getParts();
 
         if (isset($this->minimumPropertyValues[$this->name])) {
@@ -140,7 +131,6 @@ class Text extends Property {
         }
 
         foreach ($val as &$item) {
-
             if (!is_array($item)) {
                 $item = [$item];
             }
@@ -150,19 +140,17 @@ class Text extends Property {
                     $subItem,
                     [
                         '\\' => '\\\\',
-                        ';'  => '\;',
-                        ','  => '\,',
+                        ';' => '\;',
+                        ',' => '\,',
                         "\n" => '\n',
-                        "\r" => "",
+                        "\r" => '',
                     ]
                 );
             }
             $item = implode(',', $item);
-
         }
 
         return implode($this->delimiter, $val);
-
     }
 
     /**
@@ -172,16 +160,16 @@ class Text extends Property {
      *
      * @return array
      */
-    function getJsonValue() {
-
+    public function getJsonValue()
+    {
         // Structured text values should always be returned as a single
         // array-item. Multi-value text should be returned as multiple items in
         // the top-array.
         if (in_array($this->name, $this->structuredValues)) {
             return [$this->getParts()];
         }
-        return $this->getParts();
 
+        return $this->getParts();
     }
 
     /**
@@ -192,10 +180,9 @@ class Text extends Property {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'TEXT';
-
     }
 
     /**
@@ -203,10 +190,10 @@ class Text extends Property {
      *
      * @return string
      */
-    function serialize() {
-
+    public function serialize()
+    {
         // We need to kick in a special type of encoding, if it's a 2.1 vcard.
-        if ($this->root->getDocumentType() !== Document::VCARD21) {
+        if (Document::VCARD21 !== $this->root->getDocumentType()) {
             return parent::serialize();
         }
 
@@ -228,22 +215,19 @@ class Text extends Property {
         }
 
         $str = $this->name;
-        if ($this->group) $str = $this->group . '.' . $this->name;
+        if ($this->group) {
+            $str = $this->group.'.'.$this->name;
+        }
         foreach ($this->parameters as $param) {
-
-            if ($param->getValue() === 'QUOTED-PRINTABLE') {
+            if ('QUOTED-PRINTABLE' === $param->getValue()) {
                 continue;
             }
-            $str .= ';' . $param->serialize();
-
+            $str .= ';'.$param->serialize();
         }
 
-
-
         // If the resulting value contains a \n, we must encode it as
         // quoted-printable.
-        if (\strpos($val, "\n") !== false) {
-
+        if (false !== \strpos($val, "\n")) {
             $str .= ';ENCODING=QUOTED-PRINTABLE:';
             $lastLine = $str;
             $out = null;
@@ -252,26 +236,27 @@ class Text extends Property {
             // encode newlines for us. Specifically, the \r\n sequence must in
             // vcards be encoded as =0D=OA and we must insert soft-newlines
             // every 75 bytes.
-            for ($ii = 0;$ii < \strlen($val);$ii++) {
+            for ($ii = 0; $ii < \strlen($val); ++$ii) {
                 $ord = \ord($val[$ii]);
                 // These characters are encoded as themselves.
                 if ($ord >= 32 && $ord <= 126) {
                     $lastLine .= $val[$ii];
                 } else {
-                    $lastLine .= '=' . \strtoupper(\bin2hex($val[$ii]));
+                    $lastLine .= '='.\strtoupper(\bin2hex($val[$ii]));
                 }
                 if (\strlen($lastLine) >= 75) {
                     // Soft line break
-                    $out .= $lastLine . "=\r\n ";
+                    $out .= $lastLine."=\r\n ";
                     $lastLine = null;
                 }
-
             }
-            if (!\is_null($lastLine)) $out .= $lastLine . "\r\n";
-            return $out;
+            if (!\is_null($lastLine)) {
+                $out .= $lastLine."\r\n";
+            }
 
+            return $out;
         } else {
-            $str .= ':' . $val;
+            $str .= ':'.$val;
 
             $str = \preg_replace(
                 '/(
@@ -285,24 +270,20 @@ class Text extends Property {
 
             // remove single space after last CRLF
             return \substr($str, 0, -1);
-
         }
-
     }
 
     /**
      * This method serializes only the value of a property. This is used to
      * create xCard or xCal documents.
      *
-     * @param Xml\Writer $writer  XML writer.
-     *
-     * @return void
+     * @param Xml\Writer $writer XML writer
      */
-    protected function xmlSerializeValue(Xml\Writer $writer) {
-
+    protected function xmlSerializeValue(Xml\Writer $writer)
+    {
         $values = $this->getParts();
 
-        $map = function($items) use ($values, $writer) {
+        $map = function ($items) use ($values, $writer) {
             foreach ($items as $i => $item) {
                 $writer->writeElement(
                     $item,
@@ -312,7 +293,6 @@ class Text extends Property {
         };
 
         switch ($this->name) {
-
             // Special-casing the REQUEST-STATUS property.
             //
             // See:
@@ -332,14 +312,14 @@ class Text extends Property {
                     'given',
                     'additional',
                     'prefix',
-                    'suffix'
+                    'suffix',
                 ]);
                 break;
 
             case 'GENDER':
                 $map([
                     'sex',
-                    'text'
+                    'text',
                 ]);
                 break;
 
@@ -351,21 +331,20 @@ class Text extends Property {
                     'locality',
                     'region',
                     'code',
-                    'country'
+                    'country',
                 ]);
                 break;
 
             case 'CLIENTPIDMAP':
                 $map([
                     'sourceid',
-                    'uri'
+                    'uri',
                 ]);
                 break;
 
             default:
                 parent::xmlSerializeValue($writer);
         }
-
     }
 
     /**
@@ -386,28 +365,26 @@ class Text extends Property {
      *
      * @return array
      */
-    function validate($options = 0) {
-
+    public function validate($options = 0)
+    {
         $warnings = parent::validate($options);
 
         if (isset($this->minimumPropertyValues[$this->name])) {
-
             $minimum = $this->minimumPropertyValues[$this->name];
             $parts = $this->getParts();
             if (count($parts) < $minimum) {
                 $warnings[] = [
-                    'level'   => $options & self::REPAIR ? 1 : 3,
-                    'message' => 'The ' . $this->name . ' property must have at least ' . $minimum . ' values. It only has ' . count($parts),
-                    'node'    => $this,
+                    'level' => $options & self::REPAIR ? 1 : 3,
+                    'message' => 'The '.$this->name.' property must have at least '.$minimum.' values. It only has '.count($parts),
+                    'node' => $this,
                 ];
                 if ($options & self::REPAIR) {
                     $parts = array_pad($parts, $minimum, '');
                     $this->setParts($parts);
                 }
             }
-
         }
-        return $warnings;
 
+        return $warnings;
     }
 }
diff --git a/vendor/sabre/vobject/lib/Property/Time.php b/vendor/sabre/vobject/lib/Property/Time.php
index dbafc3b85..7aeafc8d0 100644
--- a/vendor/sabre/vobject/lib/Property/Time.php
+++ b/vendor/sabre/vobject/lib/Property/Time.php
@@ -13,8 +13,8 @@ use Sabre\VObject\DateTimeParser;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class Time extends Text {
-
+class Time extends Text
+{
     /**
      * In case this is a multi-value property. This string will be used as a
      * delimiter.
@@ -31,10 +31,9 @@ class Time extends Text {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'TIME';
-
     }
 
     /**
@@ -43,11 +42,9 @@ class Time extends Text {
      * The value must always be an array.
      *
      * @param array $value
-     *
-     * @return void
      */
-    function setJsonValue(array $value) {
-
+    public function setJsonValue(array $value)
+    {
         // Removing colons from value.
         $value = str_replace(
             ':',
@@ -55,12 +52,11 @@ class Time extends Text {
             $value
         );
 
-        if (count($value) === 1) {
+        if (1 === count($value)) {
             $this->setValue(reset($value));
         } else {
             $this->setValue($value);
         }
-
     }
 
     /**
@@ -70,8 +66,8 @@ class Time extends Text {
      *
      * @return array
      */
-    function getJsonValue() {
-
+    public function getJsonValue()
+    {
         $parts = DateTimeParser::parseVCardTime($this->getValue());
         $timeStr = '';
 
@@ -109,7 +105,7 @@ class Time extends Text {
 
         // Timezone
         if (!is_null($parts['timezone'])) {
-            if ($parts['timezone'] === 'Z') {
+            if ('Z' === $parts['timezone']) {
                 $timeStr .= 'Z';
             } else {
                 $timeStr .=
@@ -118,7 +114,6 @@ class Time extends Text {
         }
 
         return [$timeStr];
-
     }
 
     /**
@@ -126,19 +121,15 @@ class Time extends Text {
      * object.
      *
      * @param array $value
-     *
-     * @return void
      */
-    function setXmlValue(array $value) {
-
+    public function setXmlValue(array $value)
+    {
         $value = array_map(
-            function($value) {
+            function ($value) {
                 return str_replace(':', '', $value);
             },
             $value
         );
         parent::setXmlValue($value);
-
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/Unknown.php b/vendor/sabre/vobject/lib/Property/Unknown.php
index 7a3373868..6f404c286 100644
--- a/vendor/sabre/vobject/lib/Property/Unknown.php
+++ b/vendor/sabre/vobject/lib/Property/Unknown.php
@@ -12,8 +12,8 @@ namespace Sabre\VObject\Property;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class Unknown extends Text {
-
+class Unknown extends Text
+{
     /**
      * Returns the value, in the format it should be encoded for json.
      *
@@ -21,10 +21,9 @@ class Unknown extends Text {
      *
      * @return array
      */
-    function getJsonValue() {
-
+    public function getJsonValue()
+    {
         return [$this->getRawMimeDirValue()];
-
     }
 
     /**
@@ -35,10 +34,8 @@ class Unknown extends Text {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'UNKNOWN';
-
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/Uri.php b/vendor/sabre/vobject/lib/Property/Uri.php
index 88fcfaab8..3449ba1f2 100644
--- a/vendor/sabre/vobject/lib/Property/Uri.php
+++ b/vendor/sabre/vobject/lib/Property/Uri.php
@@ -14,8 +14,8 @@ use Sabre\VObject\Property;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class Uri extends Text {
-
+class Uri extends Text
+{
     /**
      * In case this is a multi-value property. This string will be used as a
      * delimiter.
@@ -32,10 +32,9 @@ class Uri extends Text {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'URI';
-
     }
 
     /**
@@ -43,8 +42,8 @@ class Uri extends Text {
      *
      * @return array
      */
-    function parameters() {
-
+    public function parameters()
+    {
         $parameters = parent::parameters();
         if (!isset($parameters['VALUE']) && in_array($this->name, ['URL', 'PHOTO'])) {
             // If we are encoding a URI value, and this URI value has no
@@ -57,8 +56,8 @@ class Uri extends Text {
             // See Issue #227 and #235
             $parameters['VALUE'] = new Parameter($this->root, 'VALUE', 'URI');
         }
-        return $parameters;
 
+        return $parameters;
     }
 
     /**
@@ -68,11 +67,9 @@ class Uri extends Text {
      * not yet done, but parameters are not included.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setRawMimeDirValue($val) {
-
+    public function setRawMimeDirValue($val)
+    {
         // Normally we don't need to do any type of unescaping for these
         // properties, however.. we've noticed that Google Contacts
         // specifically escapes the colon (:) with a blackslash. While I have
@@ -81,16 +78,16 @@ class Uri extends Text {
         //
         // Good thing backslashes are not allowed in urls. Makes it easy to
         // assume that a backslash is always intended as an escape character.
-        if ($this->name === 'URL') {
+        if ('URL' === $this->name) {
             $regex = '#  (?: (\\\\ (?: \\\\ | : ) ) ) #x';
             $matches = preg_split($regex, $val, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
             $newVal = '';
             foreach ($matches as $match) {
                 switch ($match) {
-                    case '\:' :
+                    case '\:':
                         $newVal .= ':';
                         break;
-                    default :
+                    default:
                         $newVal .= $match;
                         break;
                 }
@@ -99,7 +96,6 @@ class Uri extends Text {
         } else {
             $this->value = strtr($val, ['\,' => ',']);
         }
-
     }
 
     /**
@@ -107,8 +103,8 @@ class Uri extends Text {
      *
      * @return string
      */
-    function getRawMimeDirValue() {
-
+    public function getRawMimeDirValue()
+    {
         if (is_array($this->value)) {
             $value = $this->value[0];
         } else {
@@ -116,7 +112,5 @@ class Uri extends Text {
         }
 
         return strtr($value, [',' => '\,']);
-
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/UtcOffset.php b/vendor/sabre/vobject/lib/Property/UtcOffset.php
index 61895c48e..732239e23 100644
--- a/vendor/sabre/vobject/lib/Property/UtcOffset.php
+++ b/vendor/sabre/vobject/lib/Property/UtcOffset.php
@@ -11,8 +11,8 @@ namespace Sabre\VObject\Property;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class UtcOffset extends Text {
-
+class UtcOffset extends Text
+{
     /**
      * In case this is a multi-value property. This string will be used as a
      * delimiter.
@@ -29,10 +29,9 @@ class UtcOffset extends Text {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'UTC-OFFSET';
-
     }
 
     /**
@@ -41,19 +40,16 @@ class UtcOffset extends Text {
      * The value must always be an array.
      *
      * @param array $value
-     *
-     * @return void
      */
-    function setJsonValue(array $value) {
-
+    public function setJsonValue(array $value)
+    {
         $value = array_map(
-            function($value) {
+            function ($value) {
                 return str_replace(':', '', $value);
             },
             $value
         );
         parent::setJsonValue($value);
-
     }
 
     /**
@@ -63,15 +59,14 @@ class UtcOffset extends Text {
      *
      * @return array
      */
-    function getJsonValue() {
-
+    public function getJsonValue()
+    {
         return array_map(
-            function($value) {
-                return substr($value, 0, -2) . ':' .
+            function ($value) {
+                return substr($value, 0, -2).':'.
                        substr($value, -2);
             },
             parent::getJsonValue()
         );
-
     }
 }
diff --git a/vendor/sabre/vobject/lib/Property/VCard/Date.php b/vendor/sabre/vobject/lib/Property/VCard/Date.php
index 1ef6dff34..a018ccbb8 100644
--- a/vendor/sabre/vobject/lib/Property/VCard/Date.php
+++ b/vendor/sabre/vobject/lib/Property/VCard/Date.php
@@ -11,8 +11,8 @@ namespace Sabre\VObject\Property\VCard;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class Date extends DateAndOrTime {
-
+class Date extends DateAndOrTime
+{
     /**
      * Returns the type of value.
      *
@@ -21,23 +21,18 @@ class Date extends DateAndOrTime {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'DATE';
-
     }
 
     /**
      * Sets the property as a DateTime object.
      *
      * @param \DateTimeInterface $dt
-     *
-     * @return void
      */
-    function setDateTime(\DateTimeInterface $dt) {
-
+    public function setDateTime(\DateTimeInterface $dt)
+    {
         $this->value = $dt->format('Ymd');
-
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/VCard/DateAndOrTime.php b/vendor/sabre/vobject/lib/Property/VCard/DateAndOrTime.php
index 3b4ae3bb5..b7e17492a 100644
--- a/vendor/sabre/vobject/lib/Property/VCard/DateAndOrTime.php
+++ b/vendor/sabre/vobject/lib/Property/VCard/DateAndOrTime.php
@@ -19,12 +19,12 @@ use Sabre\Xml;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class DateAndOrTime extends Property {
-
+class DateAndOrTime extends Property
+{
     /**
      * Field separator.
      *
-     * @var null|string
+     * @var string|null
      */
     public $delimiter = null;
 
@@ -36,10 +36,9 @@ class DateAndOrTime extends Property {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'DATE-AND-OR-TIME';
-
     }
 
     /**
@@ -48,11 +47,9 @@ class DateAndOrTime extends Property {
      * You may also specify DateTimeInterface objects here.
      *
      * @param array $parts
-     *
-     * @return void
      */
-    function setParts(array $parts) {
-
+    public function setParts(array $parts)
+    {
         if (count($parts) > 1) {
             throw new \InvalidArgumentException('Only one value allowed');
         }
@@ -61,7 +58,6 @@ class DateAndOrTime extends Property {
         } else {
             parent::setParts($parts);
         }
-
     }
 
     /**
@@ -72,28 +68,23 @@ class DateAndOrTime extends Property {
      * Instead of strings, you may also use DateTimeInterface here.
      *
      * @param string|array|DateTimeInterface $value
-     *
-     * @return void
      */
-    function setValue($value) {
-
+    public function setValue($value)
+    {
         if ($value instanceof DateTimeInterface) {
             $this->setDateTime($value);
         } else {
             parent::setValue($value);
         }
-
     }
 
     /**
      * Sets the property as a DateTime object.
      *
      * @param DateTimeInterface $dt
-     *
-     * @return void
      */
-    function setDateTime(DateTimeInterface $dt) {
-
+    public function setDateTime(DateTimeInterface $dt)
+    {
         $tz = $dt->getTimeZone();
         $isUtc = in_array($tz->getName(), ['UTC', 'GMT', 'Z']);
 
@@ -105,7 +96,6 @@ class DateAndOrTime extends Property {
         }
 
         $this->value = $value;
-
     }
 
     /**
@@ -124,12 +114,12 @@ class DateAndOrTime extends Property {
      *
      * @return DateTimeImmutable
      */
-    function getDateTime() {
-
+    public function getDateTime()
+    {
         $now = new DateTime();
 
-        $tzFormat = $now->getTimezone()->getOffset($now) === 0 ? '\\Z' : 'O';
-        $nowParts = DateTimeParser::parseVCardDateTime($now->format('Ymd\\This' . $tzFormat));
+        $tzFormat = 0 === $now->getTimezone()->getOffset($now) ? '\\Z' : 'O';
+        $nowParts = DateTimeParser::parseVCardDateTime($now->format('Ymd\\This'.$tzFormat));
 
         $dateParts = DateTimeParser::parseVCardDateTime($this->getValue());
 
@@ -141,8 +131,8 @@ class DateAndOrTime extends Property {
                 $dateParts[$k] = $nowParts[$k];
             }
         }
-        return new DateTimeImmutable("$dateParts[year]-$dateParts[month]-$dateParts[date] $dateParts[hour]:$dateParts[minute]:$dateParts[second] $dateParts[timezone]");
 
+        return new DateTimeImmutable("$dateParts[year]-$dateParts[month]-$dateParts[date] $dateParts[hour]:$dateParts[minute]:$dateParts[second] $dateParts[timezone]");
     }
 
     /**
@@ -152,15 +142,14 @@ class DateAndOrTime extends Property {
      *
      * @return array
      */
-    function getJsonValue() {
-
+    public function getJsonValue()
+    {
         $parts = DateTimeParser::parseVCardDateTime($this->getValue());
 
         $dateStr = '';
 
         // Year
         if (!is_null($parts['year'])) {
-
             $dateStr .= $parts['year'];
 
             if (!is_null($parts['month'])) {
@@ -168,26 +157,21 @@ class DateAndOrTime extends Property {
                 // dash.
                 $dateStr .= '-';
             }
-
         } else {
-
             if (!is_null($parts['month']) || !is_null($parts['date'])) {
                 // Inserting two dashes
                 $dateStr .= '--';
             }
-
         }
 
         // Month
         if (!is_null($parts['month'])) {
-
             $dateStr .= $parts['month'];
 
             if (isset($parts['date'])) {
                 // If month and date are set, we need the separator dash.
                 $dateStr .= '-';
             }
-
         } elseif (isset($parts['date'])) {
             // If the month is empty, and a date is set, we need a 'empty
             // dash'
@@ -199,7 +183,6 @@ class DateAndOrTime extends Property {
             $dateStr .= $parts['date'];
         }
 
-
         // Early exit if we don't have a time string.
         if (is_null($parts['hour']) && is_null($parts['minute']) && is_null($parts['second'])) {
             return [$dateStr];
@@ -209,13 +192,11 @@ class DateAndOrTime extends Property {
 
         // Hour
         if (!is_null($parts['hour'])) {
-
             $dateStr .= $parts['hour'];
 
             if (!is_null($parts['minute'])) {
                 $dateStr .= ':';
             }
-
         } else {
             // We know either minute or second _must_ be set, so we insert a
             // dash for an empty value.
@@ -224,13 +205,11 @@ class DateAndOrTime extends Property {
 
         // Minute
         if (!is_null($parts['minute'])) {
-
             $dateStr .= $parts['minute'];
 
             if (!is_null($parts['second'])) {
                 $dateStr .= ':';
             }
-
         } elseif (isset($parts['second'])) {
             // Dash for empty minute
             $dateStr .= '-';
@@ -247,30 +226,27 @@ class DateAndOrTime extends Property {
         }
 
         return [$dateStr];
-
     }
 
     /**
      * This method serializes only the value of a property. This is used to
      * create xCard or xCal documents.
      *
-     * @param Xml\Writer $writer  XML writer.
-     *
-     * @return void
+     * @param Xml\Writer $writer XML writer
      */
-    protected function xmlSerializeValue(Xml\Writer $writer) {
-
+    protected function xmlSerializeValue(Xml\Writer $writer)
+    {
         $valueType = strtolower($this->getValueType());
         $parts = DateTimeParser::parseVCardDateAndOrTime($this->getValue());
         $value = '';
 
         // $d = defined
-        $d = function($part) use ($parts) {
+        $d = function ($part) use ($parts) {
             return !is_null($parts[$part]);
         };
 
         // $r = read
-        $r = function($part) use ($parts) {
+        $r = function ($part) use ($parts) {
             return $parts[$part];
         };
 
@@ -282,31 +258,29 @@ class DateAndOrTime extends Property {
         //   }
         if (($d('year') || $d('month') || $d('date'))
             && (!$d('hour') && !$d('minute') && !$d('second') && !$d('timezone'))) {
-
             if ($d('year') && $d('month') && $d('date')) {
-                $value .= $r('year') . $r('month') . $r('date');
+                $value .= $r('year').$r('month').$r('date');
             } elseif ($d('year') && $d('month') && !$d('date')) {
-                $value .= $r('year') . '-' . $r('month');
+                $value .= $r('year').'-'.$r('month');
             } elseif (!$d('year') && $d('month')) {
-                $value .= '--' . $r('month') . $r('date');
+                $value .= '--'.$r('month').$r('date');
             } elseif (!$d('year') && !$d('month') && $d('date')) {
-                $value .= '---' . $r('date');
+                $value .= '---'.$r('date');
             }
 
-        // # 4.3.2
+            // # 4.3.2
         // value-time = element time {
         //     xsd:string { pattern = "(\d\d(\d\d(\d\d)?)?|-\d\d(\d\d?)|--\d\d)"
         //                          ~ "(Z|[+\-]\d\d(\d\d)?)?" }
         //   }
         } elseif ((!$d('year') && !$d('month') && !$d('date'))
                   && ($d('hour') || $d('minute') || $d('second'))) {
-
             if ($d('hour')) {
-                $value .= $r('hour') . $r('minute') . $r('second');
+                $value .= $r('hour').$r('minute').$r('second');
             } elseif ($d('minute')) {
-                $value .= '-' . $r('minute') . $r('second');
+                $value .= '-'.$r('minute').$r('second');
             } elseif ($d('second')) {
-                $value .= '--' . $r('second');
+                $value .= '--'.$r('second');
             }
 
             $value .= $r('timezone');
@@ -317,22 +291,19 @@ class DateAndOrTime extends Property {
         //                          ~ "(Z|[+\-]\d\d(\d\d)?)?" }
         //   }
         } elseif ($d('date') && $d('hour')) {
-
             if ($d('year') && $d('month') && $d('date')) {
-                $value .= $r('year') . $r('month') . $r('date');
+                $value .= $r('year').$r('month').$r('date');
             } elseif (!$d('year') && $d('month') && $d('date')) {
-                $value .= '--' . $r('month') . $r('date');
+                $value .= '--'.$r('month').$r('date');
             } elseif (!$d('year') && !$d('month') && $d('date')) {
-                $value .= '---' . $r('date');
+                $value .= '---'.$r('date');
             }
 
-            $value .= 'T' . $r('hour') . $r('minute') . $r('second') .
+            $value .= 'T'.$r('hour').$r('minute').$r('second').
                       $r('timezone');
-
         }
 
         $writer->writeElement($valueType, $value);
-
     }
 
     /**
@@ -342,13 +313,10 @@ class DateAndOrTime extends Property {
      * not yet done, but parameters are not included.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setRawMimeDirValue($val) {
-
+    public function setRawMimeDirValue($val)
+    {
         $this->setValue($val);
-
     }
 
     /**
@@ -356,10 +324,9 @@ class DateAndOrTime extends Property {
      *
      * @return string
      */
-    function getRawMimeDirValue() {
-
+    public function getRawMimeDirValue()
+    {
         return implode($this->delimiter, $this->getParts());
-
     }
 
     /**
@@ -384,8 +351,8 @@ class DateAndOrTime extends Property {
      *
      * @return array
      */
-    function validate($options = 0) {
-
+    public function validate($options = 0)
+    {
         $messages = parent::validate($options);
         $value = $this->getValue();
 
@@ -393,13 +360,12 @@ class DateAndOrTime extends Property {
             DateTimeParser::parseVCardDateTime($value);
         } catch (InvalidDataException $e) {
             $messages[] = [
-                'level'   => 3,
-                'message' => 'The supplied value (' . $value . ') is not a correct DATE-AND-OR-TIME property',
-                'node'    => $this,
+                'level' => 3,
+                'message' => 'The supplied value ('.$value.') is not a correct DATE-AND-OR-TIME property',
+                'node' => $this,
             ];
         }
 
         return $messages;
-
     }
 }
diff --git a/vendor/sabre/vobject/lib/Property/VCard/DateTime.php b/vendor/sabre/vobject/lib/Property/VCard/DateTime.php
index e7c804ca7..49c1f3555 100644
--- a/vendor/sabre/vobject/lib/Property/VCard/DateTime.php
+++ b/vendor/sabre/vobject/lib/Property/VCard/DateTime.php
@@ -11,8 +11,8 @@ namespace Sabre\VObject\Property\VCard;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class DateTime extends DateAndOrTime {
-
+class DateTime extends DateAndOrTime
+{
     /**
      * Returns the type of value.
      *
@@ -21,10 +21,8 @@ class DateTime extends DateAndOrTime {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'DATE-TIME';
-
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/VCard/LanguageTag.php b/vendor/sabre/vobject/lib/Property/VCard/LanguageTag.php
index aa7e9178d..697273989 100644
--- a/vendor/sabre/vobject/lib/Property/VCard/LanguageTag.php
+++ b/vendor/sabre/vobject/lib/Property/VCard/LanguageTag.php
@@ -14,8 +14,8 @@ use
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class LanguageTag extends Property {
-
+class LanguageTag extends Property
+{
     /**
      * Sets a raw value coming from a mimedir (iCalendar/vCard) file.
      *
@@ -23,13 +23,10 @@ class LanguageTag extends Property {
      * not yet done, but parameters are not included.
      *
      * @param string $val
-     *
-     * @return void
      */
-    function setRawMimeDirValue($val) {
-
+    public function setRawMimeDirValue($val)
+    {
         $this->setValue($val);
-
     }
 
     /**
@@ -37,10 +34,9 @@ class LanguageTag extends Property {
      *
      * @return string
      */
-    function getRawMimeDirValue() {
-
+    public function getRawMimeDirValue()
+    {
         return $this->getValue();
-
     }
 
     /**
@@ -51,10 +47,8 @@ class LanguageTag extends Property {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'LANGUAGE-TAG';
-
     }
-
 }
diff --git a/vendor/sabre/vobject/lib/Property/VCard/TimeStamp.php b/vendor/sabre/vobject/lib/Property/VCard/TimeStamp.php
index 9d311f99d..fccf2d600 100644
--- a/vendor/sabre/vobject/lib/Property/VCard/TimeStamp.php
+++ b/vendor/sabre/vobject/lib/Property/VCard/TimeStamp.php
@@ -15,8 +15,8 @@ use Sabre\Xml;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class TimeStamp extends Text {
-
+class TimeStamp extends Text
+{
     /**
      * In case this is a multi-value property. This string will be used as a
      * delimiter.
@@ -33,10 +33,9 @@ class TimeStamp extends Text {
      *
      * @return string
      */
-    function getValueType() {
-
+    public function getValueType()
+    {
         return 'TIMESTAMP';
-
     }
 
     /**
@@ -46,16 +45,16 @@ class TimeStamp extends Text {
      *
      * @return array
      */
-    function getJsonValue() {
-
+    public function getJsonValue()
+    {
         $parts = DateTimeParser::parseVCardDateTime($this->getValue());
 
         $dateStr =
-            $parts['year'] . '-' .
-            $parts['month'] . '-' .
-            $parts['date'] . 'T' .
-            $parts['hour'] . ':' .
-            $parts['minute'] . ':' .
+            $parts['year'].'-'.
+            $parts['month'].'-'.
+            $parts['date'].'T'.
+            $parts['hour'].':'.
+            $parts['minute'].':'.
             $parts['second'];
 
         // Timezone
@@ -64,23 +63,19 @@ class TimeStamp extends Text {
         }
 
         return [$dateStr];
-
     }
 
     /**
      * This method serializes only the value of a property. This is used to
      * create xCard or xCal documents.
      *
-     * @param Xml\Writer $writer  XML writer.
-     *
-     * @return void
+     * @param Xml\Writer $writer XML writer
      */
-    protected function xmlSerializeValue(Xml\Writer $writer) {
-
+    protected function xmlSerializeValue(Xml\Writer $writer)
+    {
         // xCard is the only XML and JSON format that has the same date and time
         // format than vCard.
         $valueType = strtolower($this->getValueType());
         $writer->writeElement($valueType, $this->getValue());
-
     }
 }