update composer libs

6 files changed, 150 insertions, 233 deletions

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;
-
     }
-
 }