Revert "update composer libs"

This reverts commit e779335d060b3a51d6a144d23af4097ae6801473

21 files changed, 624 insertions, 388 deletions

diff --git a/vendor/sabre/vobject/lib/Property/Binary.php b/vendor/sabre/vobject/lib/Property/Binary.php
index 830dd9028..d54cae25d 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.
@@ -34,18 +34,25 @@ class Binary extends Property
      * This may be either a single, or multiple strings in an array.
      *
      * @param string|array $value
+     *
+     * @return void
      */
-    public function setValue($value)
-    {
+    function setValue($value) {
+
         if (is_array($value)) {
-            if (1 === count($value)) {
+
+            if (count($value) === 1) {
                 $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;
+
         }
+
     }
 
     /**
@@ -55,10 +62,13 @@ class Binary extends Property
      * not yet done, but parameters are not included.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setRawMimeDirValue($val)
-    {
+    function setRawMimeDirValue($val) {
+
         $this->value = base64_decode($val);
+
     }
 
     /**
@@ -66,9 +76,10 @@ class Binary extends Property
      *
      * @return string
      */
-    public function getRawMimeDirValue()
-    {
+    function getRawMimeDirValue() {
+
         return base64_encode($this->value);
+
     }
 
     /**
@@ -79,9 +90,10 @@ class Binary extends Property
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'BINARY';
+
     }
 
     /**
@@ -91,9 +103,10 @@ class Binary extends Property
      *
      * @return array
      */
-    public function getJsonValue()
-    {
+    function getJsonValue() {
+
         return [base64_encode($this->getValue())];
+
     }
 
     /**
@@ -102,10 +115,14 @@ class Binary extends Property
      * The value must always be an array.
      *
      * @param array $value
+     *
+     * @return void
      */
-    public function setJsonValue(array $value)
-    {
+    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 1b219bb8c..6f5887e25 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.
      *
@@ -26,11 +26,14 @@ class Boolean extends Property
      * not yet done, but parameters are not included.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setRawMimeDirValue($val)
-    {
-        $val = 'TRUE' === strtoupper($val) ? true : false;
+    function setRawMimeDirValue($val) {
+
+        $val = strtoupper($val) === 'TRUE' ? true : false;
         $this->setValue($val);
+
     }
 
     /**
@@ -38,9 +41,10 @@ class Boolean extends Property
      *
      * @return string
      */
-    public function getRawMimeDirValue()
-    {
+    function getRawMimeDirValue() {
+
         return $this->value ? 'TRUE' : 'FALSE';
+
     }
 
     /**
@@ -51,9 +55,10 @@ class Boolean extends Property
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'BOOLEAN';
+
     }
 
     /**
@@ -61,15 +66,19 @@ class Boolean extends Property
      * object.
      *
      * @param array $value
+     *
+     * @return void
      */
-    public function setXmlValue(array $value)
-    {
+    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 d15cfe051..2c7b43c29 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.
      *
@@ -37,10 +37,14 @@ class FlatText extends Text
      * Overriding this so we're not splitting on a ; delimiter.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setQuotedPrintableValue($val)
-    {
+    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 208d74516..15b119549 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.
@@ -32,14 +32,17 @@ class FloatValue extends Property
      * not yet done, but parameters are not included.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setRawMimeDirValue($val)
-    {
+    function setRawMimeDirValue($val) {
+
         $val = explode($this->delimiter, $val);
         foreach ($val as &$item) {
-            $item = (float) $item;
+            $item = (float)$item;
         }
         $this->setParts($val);
+
     }
 
     /**
@@ -47,12 +50,13 @@ class FloatValue extends Property
      *
      * @return string
      */
-    public function getRawMimeDirValue()
-    {
+    function getRawMimeDirValue() {
+
         return implode(
             $this->delimiter,
             $this->getParts()
         );
+
     }
 
     /**
@@ -63,9 +67,10 @@ class FloatValue extends Property
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'FLOAT';
+
     }
 
     /**
@@ -75,19 +80,20 @@ class FloatValue extends Property
      *
      * @return array
      */
-    public function getJsonValue()
-    {
+    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 ('GEO' === $this->name) {
+        if ($this->name === 'GEO') {
             return [$val];
         }
 
         return $val;
+
     }
 
     /**
@@ -95,32 +101,42 @@ class FloatValue extends Property
      * object.
      *
      * @param array $value
+     *
+     * @return void
      */
-    public function setXmlValue(array $value)
-    {
+    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
+     * @param Xml\Writer $writer  XML writer.
+     *
+     * @return void
      */
-    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 ('GEO' === $this->name) {
+        if ($this->name === 'GEO') {
+
             $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 e89bb31f9..a0c4a9b9a 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.
@@ -32,9 +32,10 @@ class CalAddress extends Text
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'CAL-ADDRESS';
+
     }
 
     /**
@@ -47,14 +48,14 @@ class CalAddress extends Text
      *
      * @return string
      */
-    public function getNormalizedValue()
-    {
+    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 d8e86d13e..378a0d60a 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 7eb3e0bb7..d580d4f68 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.
@@ -40,14 +40,17 @@ class DateTime extends Property
      * You may also specify DateTime objects here.
      *
      * @param array $parts
+     *
+     * @return void
      */
-    public function setParts(array $parts)
-    {
+    function setParts(array $parts) {
+
         if (isset($parts[0]) && $parts[0] instanceof DateTimeInterface) {
             $this->setDateTimes($parts);
         } else {
             parent::setParts($parts);
         }
+
     }
 
     /**
@@ -58,9 +61,11 @@ class DateTime extends Property
      * Instead of strings, you may also use DateTime here.
      *
      * @param string|array|DateTimeInterface $value
+     *
+     * @return void
      */
-    public function setValue($value)
-    {
+    function setValue($value) {
+
         if (is_array($value) && isset($value[0]) && $value[0] instanceof DateTimeInterface) {
             $this->setDateTimes($value);
         } elseif ($value instanceof DateTimeInterface) {
@@ -68,6 +73,7 @@ class DateTime extends Property
         } else {
             parent::setValue($value);
         }
+
     }
 
     /**
@@ -77,10 +83,13 @@ class DateTime extends Property
      * not yet done, but parameters are not included.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setRawMimeDirValue($val)
-    {
+    function setRawMimeDirValue($val) {
+
         $this->setValue(explode($this->delimiter, $val));
+
     }
 
     /**
@@ -88,9 +97,10 @@ class DateTime extends Property
      *
      * @return string
      */
-    public function getRawMimeDirValue()
-    {
+    function getRawMimeDirValue() {
+
         return implode($this->delimiter, $this->getParts());
+
     }
 
     /**
@@ -98,9 +108,10 @@ class DateTime extends Property
      *
      * @return bool
      */
-    public function hasTime()
-    {
-        return 'DATE' !== strtoupper((string) $this['VALUE']);
+    function hasTime() {
+
+        return strtoupper((string)$this['VALUE']) !== 'DATE';
+
     }
 
     /**
@@ -108,14 +119,15 @@ class DateTime extends Property
      *
      * Note that DATE is always floating.
      */
-    public function isFloating()
-    {
+    function isFloating() {
+
         return
             !$this->hasTime() ||
             (
                 !isset($this['TZID']) &&
-                false === strpos($this->getValue(), 'Z')
+                strpos($this->getValue(), 'Z') === false
             );
+
     }
 
     /**
@@ -131,16 +143,15 @@ class DateTime extends Property
      *
      * @param DateTimeZone $timeZone
      *
-     * @return \DateTimeImmutable
+     * @return DateTimeImmutable
      */
-    public function getDateTime(DateTimeZone $timeZone = null)
-    {
+    function getDateTime(DateTimeZone $timeZone = null) {
+
         $dt = $this->getDateTimes($timeZone);
-        if (!$dt) {
-            return;
-        }
+        if (!$dt) return;
 
         return $dt[0];
+
     }
 
     /**
@@ -152,35 +163,38 @@ class DateTime extends Property
      *
      * @param DateTimeZone $timeZone
      *
-     * @return \DateTimeImmutable[]
+     * @return DateTimeImmutable[]
      * @return \DateTime[]
      */
-    public function getDateTimes(DateTimeZone $timeZone = null)
-    {
+    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;
+
     }
 
     /**
      * Sets the property as a DateTime object.
      *
      * @param DateTimeInterface $dt
-     * @param bool isFloating If set to true, timezones will be ignored
+     * @param bool isFloating If set to true, timezones will be ignored.
+     *
+     * @return void
      */
-    public function setDateTime(DateTimeInterface $dt, $isFloating = false)
-    {
+    function setDateTime(DateTimeInterface $dt, $isFloating = false) {
+
         $this->setDateTimes([$dt], $isFloating);
+
     }
 
     /**
@@ -190,17 +204,21 @@ 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
+     * @param bool isFloating If set to true, timezones will be ignored.
+     *
+     * @return void
      */
-    public function setDateTimes(array $dt, $isFloating = false)
-    {
+    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;
@@ -220,18 +238,25 @@ 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;
+
     }
 
     /**
@@ -242,9 +267,10 @@ class DateTime extends Property
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return $this->hasTime() ? 'DATE-TIME' : 'DATE';
+
     }
 
     /**
@@ -254,8 +280,8 @@ class DateTime extends Property
      *
      * @return array
      */
-    public function getJsonValue()
-    {
+    function getJsonValue() {
+
         $dts = $this->getDateTimes();
         $hasTime = $this->hasTime();
         $isFloating = $this->isFloating();
@@ -264,15 +290,18 @@ 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
         );
+
     }
 
     /**
@@ -281,21 +310,26 @@ class DateTime extends Property
      * The value must always be an array.
      *
      * @param array $value
+     *
+     * @return void
      */
-    public function setJsonValue(array $value)
-    {
+    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
             )
         );
+
     }
 
     /**
@@ -303,17 +337,20 @@ class DateTime extends Property
      * VALUE from DATE-TIME to DATE or vice-versa.
      *
      * @param string $name
-     * @param mixed  $value
+     * @param mixed $value
+     *
+     * @return void
      */
-    public function offsetSet($name, $value)
-    {
+    function offsetSet($name, $value) {
+
         parent::offsetSet($name, $value);
-        if ('VALUE' !== strtoupper($name)) {
+        if (strtoupper($name) !== 'VALUE') {
             return;
         }
 
         // This will ensure that dates are correctly encoded.
         $this->setDateTimes($this->getDateTimes());
+
     }
 
     /**
@@ -338,30 +375,30 @@ class DateTime extends Property
      *
      * @return array
      */
-    public function validate($options = 0)
-    {
+    function validate($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;
+
     }
 }
diff --git a/vendor/sabre/vobject/lib/Property/ICalendar/Duration.php b/vendor/sabre/vobject/lib/Property/ICalendar/Duration.php
index 87f008160..7b7e1ce8e 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.
@@ -33,10 +33,13 @@ class Duration extends Property
      * not yet done, but parameters are not included.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setRawMimeDirValue($val)
-    {
+    function setRawMimeDirValue($val) {
+
         $this->setValue(explode($this->delimiter, $val));
+
     }
 
     /**
@@ -44,9 +47,10 @@ class Duration extends Property
      *
      * @return string
      */
-    public function getRawMimeDirValue()
-    {
+    function getRawMimeDirValue() {
+
         return implode($this->delimiter, $this->getParts());
+
     }
 
     /**
@@ -57,9 +61,10 @@ class Duration extends Property
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'DURATION';
+
     }
 
     /**
@@ -69,11 +74,12 @@ class Duration extends Property
      *
      * @return \DateInterval
      */
-    public function getDateInterval()
-    {
+    function getDateInterval() {
+
         $parts = $this->getParts();
         $value = $parts[0];
-
         return DateTimeParser::parseDuration($value);
+
     }
+
 }
diff --git a/vendor/sabre/vobject/lib/Property/ICalendar/Period.php b/vendor/sabre/vobject/lib/Property/ICalendar/Period.php
index 17bfa5c5c..d35b425aa 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.
@@ -34,10 +34,13 @@ class Period extends Property
      * not yet done, but parameters are not included.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setRawMimeDirValue($val)
-    {
+    function setRawMimeDirValue($val) {
+
         $this->setValue(explode($this->delimiter, $val));
+
     }
 
     /**
@@ -45,9 +48,10 @@ class Period extends Property
      *
      * @return string
      */
-    public function getRawMimeDirValue()
-    {
+    function getRawMimeDirValue() {
+
         return implode($this->delimiter, $this->getParts());
+
     }
 
     /**
@@ -58,9 +62,10 @@ class Period extends Property
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'PERIOD';
+
     }
 
     /**
@@ -69,16 +74,21 @@ class Period extends Property
      * The value must always be an array.
      *
      * @param array $value
+     *
+     * @return void
      */
-    public function setJsonValue(array $value)
-    {
+    function setJsonValue(array $value) {
+
         $value = array_map(
-            function ($item) {
+            function($item) {
+
                 return strtr(implode('/', $item), [':' => '', '-' => '']);
+
             },
             $value
         );
         parent::setJsonValue($value);
+
     }
 
     /**
@@ -88,19 +98,20 @@ class Period extends Property
      *
      * @return array
      */
-    public function getJsonValue()
-    {
+    function getJsonValue() {
+
         $return = [];
         foreach ($this->getParts() as $item) {
+
             list($start, $end) = explode('/', $item, 2);
 
             $start = DateTimeParser::parseDateTime($start);
 
             // This is a duration value.
-            if ('P' === $end[0]) {
+            if ($end[0] === 'P') {
                 $return[] = [
                     $start->format('Y-m-d\\TH:i:s'),
-                    $end,
+                    $end
                 ];
             } else {
                 $end = DateTimeParser::parseDateTime($end);
@@ -109,29 +120,36 @@ 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
+     * @param Xml\Writer $writer  XML writer.
+     *
+     * @return void
      */
-    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 ('P' === $value[0][1][0]) {
+        if ($value[0][1][0] === 'P') {
             $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 baeda781e..434b77088 100644
--- a/vendor/sabre/vobject/lib/Property/ICalendar/Recur.php
+++ b/vendor/sabre/vobject/lib/Property/ICalendar/Recur.php
@@ -22,33 +22,36 @@ 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 $value
+     *
+     * @return void
      */
-    public function setValue($value)
-    {
+    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 (false !== strpos($v, ',')) {
+                    if (strpos($v, ',') !== false) {
                         $v = explode(',', $v);
                     }
-                    if (0 === strcmp($k, 'until')) {
+                    if (strcmp($k, 'until') === 0) {
                         $v = strtr($v, [':' => '', '-' => '']);
                     }
                 } elseif (is_array($v)) {
@@ -63,6 +66,7 @@ class Recur extends Property
         } else {
             throw new \InvalidArgumentException('You must either pass a string, or a key=>value array');
         }
+
     }
 
     /**
@@ -76,24 +80,26 @@ class Recur extends Property
      *
      * @return string
      */
-    public function getValue()
-    {
+    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));
+
     }
 
     /**
      * Sets a multi-valued property.
      *
      * @param array $parts
+     * @return void
      */
-    public function setParts(array $parts)
-    {
+    function setParts(array $parts) {
+
         $this->setValue($parts);
+
     }
 
     /**
@@ -104,9 +110,10 @@ class Recur extends Property
      *
      * @return array
      */
-    public function getParts()
-    {
+    function getParts() {
+
         return $this->value;
+
     }
 
     /**
@@ -116,10 +123,13 @@ class Recur extends Property
      * not yet done, but parameters are not included.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setRawMimeDirValue($val)
-    {
+    function setRawMimeDirValue($val) {
+
         $this->setValue($val);
+
     }
 
     /**
@@ -127,9 +137,10 @@ class Recur extends Property
      *
      * @return string
      */
-    public function getRawMimeDirValue()
-    {
+    function getRawMimeDirValue() {
+
         return $this->getValue();
+
     }
 
     /**
@@ -140,9 +151,10 @@ class Recur extends Property
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'RECUR';
+
     }
 
     /**
@@ -152,36 +164,39 @@ class Recur extends Property
      *
      * @return array
      */
-    public function getJsonValue()
-    {
+    function getJsonValue() {
+
         $values = [];
         foreach ($this->getParts() as $k => $v) {
-            if (0 === strcmp($k, 'UNTIL')) {
+            if (strcmp($k, 'UNTIL') === 0) {
                 $date = new DateTime($this->root, null, $v);
                 $values[strtolower($k)] = $date->getJsonValue()[0];
-            } elseif (0 === strcmp($k, 'COUNT')) {
+            } elseif (strcmp($k, 'COUNT') === 0) {
                 $values[strtolower($k)] = intval($v);
             } else {
                 $values[strtolower($k)] = $v;
             }
         }
-
         return [$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
+     * @param Xml\Writer $writer  XML writer.
+     *
+     * @return void
      */
-    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);
         }
+
     }
 
     /**
@@ -191,11 +206,12 @@ class Recur extends Property
      *
      * @return array
      */
-    public static function stringToArray($value)
-    {
+    static function stringToArray($value) {
+
         $value = strtoupper($value);
         $newValue = [];
         foreach (explode(';', $value) as $part) {
+
             // Skipping empty parts.
             if (empty($part)) {
                 continue;
@@ -203,10 +219,11 @@ class Recur extends Property
             list($partName, $partValue) = explode('=', $part);
 
             // The value itself had multiple values..
-            if (false !== strpos($partValue, ',')) {
+            if (strpos($partValue, ',') !== false) {
                 $partValue = explode(',', $partValue);
             }
             $newValue[$partName] = $partValue;
+
         }
 
         return $newValue;
@@ -234,31 +251,32 @@ class Recur extends Property
      *
      * @return array
      */
-    public function validate($options = 0)
-    {
+    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 ('BYMONTH' == $key) {
-                $byMonth = (array) $value;
+            } elseif ($key == 'BYMONTH') {
+                $byMonth = (array)$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($value)) {
@@ -273,14 +291,14 @@ class Recur extends Property
                 if (is_array($value) && empty($values[$key])) {
                     unset($values[$key]);
                 }
-            } elseif ('BYWEEKNO' == $key) {
-                $byWeekNo = (array) $value;
+            } elseif ($key == 'BYWEEKNO') {
+                $byWeekNo = (array)$value;
                 foreach ($byWeekNo as $i => $v) {
-                    if (!is_numeric($v) || (int) $v < -53 || 0 == (int) $v || (int) $v > 53) {
+                    if (!is_numeric($v) || (int)$v < -53 || (int)$v == 0 || (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($value)) {
@@ -295,14 +313,14 @@ class Recur extends Property
                 if (is_array($value) && empty($values[$key])) {
                     unset($values[$key]);
                 }
-            } elseif ('BYYEARDAY' == $key) {
-                $byYearDay = (array) $value;
+            } elseif ($key == 'BYYEARDAY') {
+                $byYearDay = (array)$value;
                 foreach ($byYearDay as $i => $v) {
-                    if (!is_numeric($v) || (int) $v < -366 || 0 == (int) $v || (int) $v > 366) {
+                    if (!is_numeric($v) || (int)$v < -366 || (int)$v == 0 || (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($value)) {
@@ -318,12 +336,13 @@ class Recur extends Property
                     unset($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);
@@ -334,5 +353,7 @@ 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 ddd71d731..5bd1887fa 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.
      *
@@ -24,10 +24,13 @@ class IntegerValue extends Property
      * not yet done, but parameters are not included.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setRawMimeDirValue($val)
-    {
-        $this->setValue((int) $val);
+    function setRawMimeDirValue($val) {
+
+        $this->setValue((int)$val);
+
     }
 
     /**
@@ -35,9 +38,10 @@ class IntegerValue extends Property
      *
      * @return string
      */
-    public function getRawMimeDirValue()
-    {
+    function getRawMimeDirValue() {
+
         return $this->value;
+
     }
 
     /**
@@ -48,9 +52,10 @@ class IntegerValue extends Property
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'INTEGER';
+
     }
 
     /**
@@ -60,9 +65,10 @@ class IntegerValue extends Property
      *
      * @return array
      */
-    public function getJsonValue()
-    {
-        return [(int) $this->getValue()];
+    function getJsonValue() {
+
+        return [(int)$this->getValue()];
+
     }
 
     /**
@@ -70,10 +76,13 @@ class IntegerValue extends Property
      * object.
      *
      * @param array $value
+     *
+     * @return void
      */
-    public function setXmlValue(array $value)
-    {
+    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 23c945551..47a86ccc9 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,
     ];
 
@@ -64,14 +64,16 @@ 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
+     * @param array $parameters List of parameters
+     * @param string $group The vcard property group
+     *
+     * @return void
      */
-    public function __construct(Component $root, $name, $value = null, array $parameters = [], $group = null)
-    {
+    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
@@ -82,6 +84,7 @@ class Text extends Property
         }
 
         parent::__construct($root, $name, $value, $parameters, $group);
+
     }
 
     /**
@@ -91,19 +94,24 @@ class Text extends Property
      * not yet done, but parameters are not included.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setRawMimeDirValue($val)
-    {
+    function setRawMimeDirValue($val) {
+
         $this->setValue(MimeDir::unescapeValue($val, $this->delimiter));
+
     }
 
     /**
      * Sets the value as a quoted-printable encoded string.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setQuotedPrintableValue($val)
-    {
+    function setQuotedPrintableValue($val) {
+
         $val = quoted_printable_decode($val);
 
         // Quoted printable only appears in vCard 2.1, and the only character
@@ -115,6 +123,7 @@ class Text extends Property
         $regex = '# (?<!\\\\) ; #x';
         $matches = preg_split($regex, $val);
         $this->setValue($matches);
+
     }
 
     /**
@@ -122,8 +131,8 @@ class Text extends Property
      *
      * @return string
      */
-    public function getRawMimeDirValue()
-    {
+    function getRawMimeDirValue() {
+
         $val = $this->getParts();
 
         if (isset($this->minimumPropertyValues[$this->name])) {
@@ -131,6 +140,7 @@ class Text extends Property
         }
 
         foreach ($val as &$item) {
+
             if (!is_array($item)) {
                 $item = [$item];
             }
@@ -140,17 +150,19 @@ class Text extends Property
                     $subItem,
                     [
                         '\\' => '\\\\',
-                        ';' => '\;',
-                        ',' => '\,',
+                        ';'  => '\;',
+                        ','  => '\,',
                         "\n" => '\n',
-                        "\r" => '',
+                        "\r" => "",
                     ]
                 );
             }
             $item = implode(',', $item);
+
         }
 
         return implode($this->delimiter, $val);
+
     }
 
     /**
@@ -160,16 +172,16 @@ class Text extends Property
      *
      * @return array
      */
-    public function getJsonValue()
-    {
+    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();
+
     }
 
     /**
@@ -180,9 +192,10 @@ class Text extends Property
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'TEXT';
+
     }
 
     /**
@@ -190,10 +203,10 @@ class Text extends Property
      *
      * @return string
      */
-    public function serialize()
-    {
+    function serialize() {
+
         // We need to kick in a special type of encoding, if it's a 2.1 vcard.
-        if (Document::VCARD21 !== $this->root->getDocumentType()) {
+        if ($this->root->getDocumentType() !== Document::VCARD21) {
             return parent::serialize();
         }
 
@@ -215,19 +228,22 @@ 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 ('QUOTED-PRINTABLE' === $param->getValue()) {
+
+            if ($param->getValue() === 'QUOTED-PRINTABLE') {
                 continue;
             }
-            $str .= ';'.$param->serialize();
+            $str .= ';' . $param->serialize();
+
         }
 
+
+
         // If the resulting value contains a \n, we must encode it as
         // quoted-printable.
-        if (false !== \strpos($val, "\n")) {
+        if (\strpos($val, "\n") !== false) {
+
             $str .= ';ENCODING=QUOTED-PRINTABLE:';
             $lastLine = $str;
             $out = null;
@@ -236,27 +252,26 @@ class Text extends Property
             // encode newlines for us. Specifically, the \r\n sequence must in
             // vcards be encoded as =0D=OA and we must insert soft-newlines
             // every 75 bytes.
-            for ($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";
-            }
 
+            }
+            if (!\is_null($lastLine)) $out .= $lastLine . "\r\n";
             return $out;
+
         } else {
-            $str .= ':'.$val;
+            $str .= ':' . $val;
 
             $str = \preg_replace(
                 '/(
@@ -270,20 +285,24 @@ 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
+     * @param Xml\Writer $writer  XML writer.
+     *
+     * @return void
      */
-    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,
@@ -293,6 +312,7 @@ class Text extends Property
         };
 
         switch ($this->name) {
+
             // Special-casing the REQUEST-STATUS property.
             //
             // See:
@@ -312,14 +332,14 @@ class Text extends Property
                     'given',
                     'additional',
                     'prefix',
-                    'suffix',
+                    'suffix'
                 ]);
                 break;
 
             case 'GENDER':
                 $map([
                     'sex',
-                    'text',
+                    'text'
                 ]);
                 break;
 
@@ -331,20 +351,21 @@ class Text extends Property
                     'locality',
                     'region',
                     'code',
-                    'country',
+                    'country'
                 ]);
                 break;
 
             case 'CLIENTPIDMAP':
                 $map([
                     'sourceid',
-                    'uri',
+                    'uri'
                 ]);
                 break;
 
             default:
                 parent::xmlSerializeValue($writer);
         }
+
     }
 
     /**
@@ -365,26 +386,28 @@ class Text extends Property
      *
      * @return array
      */
-    public function validate($options = 0)
-    {
+    function validate($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;
+
     }
 }
diff --git a/vendor/sabre/vobject/lib/Property/Time.php b/vendor/sabre/vobject/lib/Property/Time.php
index 7aeafc8d0..dbafc3b85 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.
@@ -31,9 +31,10 @@ class Time extends Text
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'TIME';
+
     }
 
     /**
@@ -42,9 +43,11 @@ class Time extends Text
      * The value must always be an array.
      *
      * @param array $value
+     *
+     * @return void
      */
-    public function setJsonValue(array $value)
-    {
+    function setJsonValue(array $value) {
+
         // Removing colons from value.
         $value = str_replace(
             ':',
@@ -52,11 +55,12 @@ class Time extends Text
             $value
         );
 
-        if (1 === count($value)) {
+        if (count($value) === 1) {
             $this->setValue(reset($value));
         } else {
             $this->setValue($value);
         }
+
     }
 
     /**
@@ -66,8 +70,8 @@ class Time extends Text
      *
      * @return array
      */
-    public function getJsonValue()
-    {
+    function getJsonValue() {
+
         $parts = DateTimeParser::parseVCardTime($this->getValue());
         $timeStr = '';
 
@@ -105,7 +109,7 @@ class Time extends Text
 
         // Timezone
         if (!is_null($parts['timezone'])) {
-            if ('Z' === $parts['timezone']) {
+            if ($parts['timezone'] === 'Z') {
                 $timeStr .= 'Z';
             } else {
                 $timeStr .=
@@ -114,6 +118,7 @@ class Time extends Text
         }
 
         return [$timeStr];
+
     }
 
     /**
@@ -121,15 +126,19 @@ class Time extends Text
      * object.
      *
      * @param array $value
+     *
+     * @return void
      */
-    public function setXmlValue(array $value)
-    {
+    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 6f404c286..7a3373868 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.
      *
@@ -21,9 +21,10 @@ class Unknown extends Text
      *
      * @return array
      */
-    public function getJsonValue()
-    {
+    function getJsonValue() {
+
         return [$this->getRawMimeDirValue()];
+
     }
 
     /**
@@ -34,8 +35,10 @@ class Unknown extends Text
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'UNKNOWN';
+
     }
+
 }
diff --git a/vendor/sabre/vobject/lib/Property/Uri.php b/vendor/sabre/vobject/lib/Property/Uri.php
index 3449ba1f2..88fcfaab8 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.
@@ -32,9 +32,10 @@ class Uri extends Text
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'URI';
+
     }
 
     /**
@@ -42,8 +43,8 @@ class Uri extends Text
      *
      * @return array
      */
-    public function parameters()
-    {
+    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
@@ -56,8 +57,8 @@ class Uri extends Text
             // See Issue #227 and #235
             $parameters['VALUE'] = new Parameter($this->root, 'VALUE', 'URI');
         }
-
         return $parameters;
+
     }
 
     /**
@@ -67,9 +68,11 @@ class Uri extends Text
      * not yet done, but parameters are not included.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setRawMimeDirValue($val)
-    {
+    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
@@ -78,16 +81,16 @@ 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 ('URL' === $this->name) {
+        if ($this->name === 'URL') {
             $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;
                 }
@@ -96,6 +99,7 @@ class Uri extends Text
         } else {
             $this->value = strtr($val, ['\,' => ',']);
         }
+
     }
 
     /**
@@ -103,8 +107,8 @@ class Uri extends Text
      *
      * @return string
      */
-    public function getRawMimeDirValue()
-    {
+    function getRawMimeDirValue() {
+
         if (is_array($this->value)) {
             $value = $this->value[0];
         } else {
@@ -112,5 +116,7 @@ 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 732239e23..61895c48e 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.
@@ -29,9 +29,10 @@ class UtcOffset extends Text
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'UTC-OFFSET';
+
     }
 
     /**
@@ -40,16 +41,19 @@ class UtcOffset extends Text
      * The value must always be an array.
      *
      * @param array $value
+     *
+     * @return void
      */
-    public function setJsonValue(array $value)
-    {
+    function setJsonValue(array $value) {
+
         $value = array_map(
-            function ($value) {
+            function($value) {
                 return str_replace(':', '', $value);
             },
             $value
         );
         parent::setJsonValue($value);
+
     }
 
     /**
@@ -59,14 +63,15 @@ class UtcOffset extends Text
      *
      * @return array
      */
-    public function getJsonValue()
-    {
+    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 a018ccbb8..1ef6dff34 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.
      *
@@ -21,18 +21,23 @@ class Date extends DateAndOrTime
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'DATE';
+
     }
 
     /**
      * Sets the property as a DateTime object.
      *
      * @param \DateTimeInterface $dt
+     *
+     * @return void
      */
-    public function setDateTime(\DateTimeInterface $dt)
-    {
+    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 b7e17492a..3b4ae3bb5 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 string|null
+     * @var null|string
      */
     public $delimiter = null;
 
@@ -36,9 +36,10 @@ class DateAndOrTime extends Property
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'DATE-AND-OR-TIME';
+
     }
 
     /**
@@ -47,9 +48,11 @@ class DateAndOrTime extends Property
      * You may also specify DateTimeInterface objects here.
      *
      * @param array $parts
+     *
+     * @return void
      */
-    public function setParts(array $parts)
-    {
+    function setParts(array $parts) {
+
         if (count($parts) > 1) {
             throw new \InvalidArgumentException('Only one value allowed');
         }
@@ -58,6 +61,7 @@ class DateAndOrTime extends Property
         } else {
             parent::setParts($parts);
         }
+
     }
 
     /**
@@ -68,23 +72,28 @@ class DateAndOrTime extends Property
      * Instead of strings, you may also use DateTimeInterface here.
      *
      * @param string|array|DateTimeInterface $value
+     *
+     * @return void
      */
-    public function setValue($value)
-    {
+    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
      */
-    public function setDateTime(DateTimeInterface $dt)
-    {
+    function setDateTime(DateTimeInterface $dt) {
+
         $tz = $dt->getTimeZone();
         $isUtc = in_array($tz->getName(), ['UTC', 'GMT', 'Z']);
 
@@ -96,6 +105,7 @@ class DateAndOrTime extends Property
         }
 
         $this->value = $value;
+
     }
 
     /**
@@ -114,12 +124,12 @@ class DateAndOrTime extends Property
      *
      * @return DateTimeImmutable
      */
-    public function getDateTime()
-    {
+    function getDateTime() {
+
         $now = new DateTime();
 
-        $tzFormat = 0 === $now->getTimezone()->getOffset($now) ? '\\Z' : 'O';
-        $nowParts = DateTimeParser::parseVCardDateTime($now->format('Ymd\\This'.$tzFormat));
+        $tzFormat = $now->getTimezone()->getOffset($now) === 0 ? '\\Z' : 'O';
+        $nowParts = DateTimeParser::parseVCardDateTime($now->format('Ymd\\This' . $tzFormat));
 
         $dateParts = DateTimeParser::parseVCardDateTime($this->getValue());
 
@@ -131,8 +141,8 @@ 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]");
+
     }
 
     /**
@@ -142,14 +152,15 @@ class DateAndOrTime extends Property
      *
      * @return array
      */
-    public function getJsonValue()
-    {
+    function getJsonValue() {
+
         $parts = DateTimeParser::parseVCardDateTime($this->getValue());
 
         $dateStr = '';
 
         // Year
         if (!is_null($parts['year'])) {
+
             $dateStr .= $parts['year'];
 
             if (!is_null($parts['month'])) {
@@ -157,21 +168,26 @@ 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'
@@ -183,6 +199,7 @@ 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];
@@ -192,11 +209,13 @@ 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.
@@ -205,11 +224,13 @@ 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 .= '-';
@@ -226,27 +247,30 @@ 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
+     * @param Xml\Writer $writer  XML writer.
+     *
+     * @return void
      */
-    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];
         };
 
@@ -258,29 +282,31 @@ 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 .= $r('timezone');
@@ -291,19 +317,22 @@ class DateAndOrTime extends Property
         //                          ~ "(Z|[+\-]\d\d(\d\d)?)?" }
         //   }
         } elseif ($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);
+
     }
 
     /**
@@ -313,10 +342,13 @@ class DateAndOrTime extends Property
      * not yet done, but parameters are not included.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setRawMimeDirValue($val)
-    {
+    function setRawMimeDirValue($val) {
+
         $this->setValue($val);
+
     }
 
     /**
@@ -324,9 +356,10 @@ class DateAndOrTime extends Property
      *
      * @return string
      */
-    public function getRawMimeDirValue()
-    {
+    function getRawMimeDirValue() {
+
         return implode($this->delimiter, $this->getParts());
+
     }
 
     /**
@@ -351,8 +384,8 @@ class DateAndOrTime extends Property
      *
      * @return array
      */
-    public function validate($options = 0)
-    {
+    function validate($options = 0) {
+
         $messages = parent::validate($options);
         $value = $this->getValue();
 
@@ -360,12 +393,13 @@ 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 49c1f3555..e7c804ca7 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.
      *
@@ -21,8 +21,10 @@ class DateTime extends DateAndOrTime
      *
      * @return string
      */
-    public function getValueType()
-    {
+    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 697273989..aa7e9178d 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.
      *
@@ -23,10 +23,13 @@ class LanguageTag extends Property
      * not yet done, but parameters are not included.
      *
      * @param string $val
+     *
+     * @return void
      */
-    public function setRawMimeDirValue($val)
-    {
+    function setRawMimeDirValue($val) {
+
         $this->setValue($val);
+
     }
 
     /**
@@ -34,9 +37,10 @@ class LanguageTag extends Property
      *
      * @return string
      */
-    public function getRawMimeDirValue()
-    {
+    function getRawMimeDirValue() {
+
         return $this->getValue();
+
     }
 
     /**
@@ -47,8 +51,10 @@ class LanguageTag extends Property
      *
      * @return string
      */
-    public function getValueType()
-    {
+    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 fccf2d600..9d311f99d 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.
@@ -33,9 +33,10 @@ class TimeStamp extends Text
      *
      * @return string
      */
-    public function getValueType()
-    {
+    function getValueType() {
+
         return 'TIMESTAMP';
+
     }
 
     /**
@@ -45,16 +46,16 @@ class TimeStamp extends Text
      *
      * @return array
      */
-    public function getJsonValue()
-    {
+    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
@@ -63,19 +64,23 @@ 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
+     * @param Xml\Writer $writer  XML writer.
+     *
+     * @return void
      */
-    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());
+
     }
 }