Revert "update composer libs"

This reverts commit e779335d060b3a51d6a144d23af4097ae6801473

5 files changed, 257 insertions, 170 deletions

diff --git a/vendor/sabre/vobject/lib/Parser/Json.php b/vendor/sabre/vobject/lib/Parser/Json.php
index 3fd307e97..a77258a2e 100644
--- a/vendor/sabre/vobject/lib/Parser/Json.php
+++ b/vendor/sabre/vobject/lib/Parser/Json.php
@@ -4,7 +4,6 @@ namespace Sabre\VObject\Parser;
 
 use Sabre\VObject\Component\VCalendar;
 use Sabre\VObject\Component\VCard;
-use Sabre\VObject\Document;
 use Sabre\VObject\EofException;
 use Sabre\VObject\ParseException;
 
@@ -17,8 +16,8 @@ use Sabre\VObject\ParseException;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class Json extends Parser
-{
+class Json extends Parser {
+
     /**
      * The input data.
      *
@@ -42,12 +41,12 @@ class Json extends Parser
      * If either input or options are not supplied, the defaults will be used.
      *
      * @param resource|string|array|null $input
-     * @param int                        $options
+     * @param int $options
      *
-     * @return \Sabre\VObject\Document
+     * @return Sabre\VObject\Document
      */
-    public function parse($input = null, $options = 0)
-    {
+    function parse($input = null, $options = 0) {
+
         if (!is_null($input)) {
             $this->setInput($input);
         }
@@ -60,28 +59,28 @@ class Json extends Parser
         }
 
         switch ($this->input[0]) {
-            case 'vcalendar':
+            case 'vcalendar' :
                 $this->root = new VCalendar([], false);
                 break;
-            case 'vcard':
+            case 'vcard' :
                 $this->root = new VCard([], false);
                 break;
-            default:
+            default :
                 throw new ParseException('The root component must either be a vcalendar, or a vcard');
+
         }
         foreach ($this->input[1] as $prop) {
             $this->root->add($this->parseProperty($prop));
         }
-        if (isset($this->input[2])) {
-            foreach ($this->input[2] as $comp) {
-                $this->root->add($this->parseComponent($comp));
-            }
+        if (isset($this->input[2])) foreach ($this->input[2] as $comp) {
+            $this->root->add($this->parseComponent($comp));
         }
 
         // Resetting the input so we can throw an feof exception the next time.
         $this->input = null;
 
         return $this->root;
+
     }
 
     /**
@@ -91,34 +90,35 @@ class Json extends Parser
      *
      * @return \Sabre\VObject\Component
      */
-    public function parseComponent(array $jComp)
-    {
+    function parseComponent(array $jComp) {
+
         // We can remove $self from PHP 5.4 onward.
         $self = $this;
 
         $properties = array_map(
-            function ($jProp) use ($self) {
+            function($jProp) use ($self) {
                 return $self->parseProperty($jProp);
             },
             $jComp[1]
         );
 
         if (isset($jComp[2])) {
+
             $components = array_map(
-                function ($jComp) use ($self) {
+                function($jComp) use ($self) {
                     return $self->parseComponent($jComp);
                 },
                 $jComp[2]
             );
-        } else {
-            $components = [];
-        }
+
+        } else $components = [];
 
         return $this->root->createComponent(
             $jComp[0],
             array_merge($properties, $components),
             $defaults = false
         );
+
     }
 
     /**
@@ -128,8 +128,8 @@ class Json extends Parser
      *
      * @return \Sabre\VObject\Property
      */
-    public function parseProperty(array $jProp)
-    {
+    function parseProperty(array $jProp) {
+
         list(
             $propertyName,
             $parameters,
@@ -142,14 +142,14 @@ class Json extends Parser
         // value type. We're using this value later in this function.
         $defaultPropertyClass = $this->root->getClassNameForPropertyName($propertyName);
 
-        $parameters = (array) $parameters;
+        $parameters = (array)$parameters;
 
         $value = array_slice($jProp, 3);
 
         $valueType = strtoupper($valueType);
 
         if (isset($parameters['group'])) {
-            $propertyName = $parameters['group'].'.'.$propertyName;
+            $propertyName = $parameters['group'] . '.' . $propertyName;
             unset($parameters['group']);
         }
 
@@ -160,7 +160,7 @@ class Json extends Parser
         // represents TEXT values. We have to normalize these here. In the
         // future we can get rid of FlatText once we're allowed to break BC
         // again.
-        if ('Sabre\VObject\Property\FlatText' === $defaultPropertyClass) {
+        if ($defaultPropertyClass === 'Sabre\VObject\Property\FlatText') {
             $defaultPropertyClass = 'Sabre\VObject\Property\Text';
         }
 
@@ -168,19 +168,22 @@ class Json extends Parser
         // type for the given property (e.g.: BDAY), we need to add a VALUE=
         // parameter.
         if ($defaultPropertyClass !== get_class($prop)) {
-            $prop['VALUE'] = $valueType;
+            $prop["VALUE"] = $valueType;
         }
 
         return $prop;
+
     }
 
     /**
      * Sets the input data.
      *
      * @param resource|string|array $input
+     *
+     * @return void
      */
-    public function setInput($input)
-    {
+    function setInput($input) {
+
         if (is_resource($input)) {
             $input = stream_get_contents($input);
         }
@@ -188,5 +191,7 @@ class Json extends Parser
             $input = json_decode($input);
         }
         $this->input = $input;
+
     }
+
 }
diff --git a/vendor/sabre/vobject/lib/Parser/MimeDir.php b/vendor/sabre/vobject/lib/Parser/MimeDir.php
index 10dcec89c..742641236 100644
--- a/vendor/sabre/vobject/lib/Parser/MimeDir.php
+++ b/vendor/sabre/vobject/lib/Parser/MimeDir.php
@@ -7,7 +7,6 @@ use Sabre\VObject\Component\VCalendar;
 use Sabre\VObject\Component\VCard;
 use Sabre\VObject\Document;
 use Sabre\VObject\EofException;
-use Sabre\VObject\Node;
 use Sabre\VObject\ParseException;
 
 /**
@@ -23,8 +22,8 @@ use Sabre\VObject\ParseException;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class MimeDir extends Parser
-{
+class MimeDir extends Parser {
+
     /**
      * The input stream.
      *
@@ -71,12 +70,12 @@ class MimeDir extends Parser
      * used.
      *
      * @param string|resource|null $input
-     * @param int                  $options
+     * @param int $options
      *
-     * @return \Sabre\VObject\Document
+     * @return Sabre\VObject\Document
      */
-    public function parse($input = null, $options = 0)
-    {
+    function parse($input = null, $options = 0) {
+
         $this->root = null;
 
         if (!is_null($input)) {
@@ -90,6 +89,7 @@ class MimeDir extends Parser
         $this->parseDocument();
 
         return $this->root;
+
     }
 
     /**
@@ -104,21 +104,24 @@ class MimeDir extends Parser
      *
      * @param string $charset
      */
-    public function setCharset($charset)
-    {
+    function setCharset($charset) {
+
         if (!in_array($charset, self::$SUPPORTED_CHARSETS)) {
-            throw new \InvalidArgumentException('Unsupported encoding. (Supported encodings: '.implode(', ', self::$SUPPORTED_CHARSETS).')');
+            throw new \InvalidArgumentException('Unsupported encoding. (Supported encodings: ' . implode(', ', self::$SUPPORTED_CHARSETS) . ')');
         }
         $this->charset = $charset;
+
     }
 
     /**
      * Sets the input buffer. Must be a string or stream.
      *
      * @param resource|string $input
+     *
+     * @return void
      */
-    public function setInput($input)
-    {
+    function setInput($input) {
+
         // Resetting the parser
         $this->lineIndex = 0;
         $this->startLine = 0;
@@ -134,53 +137,59 @@ class MimeDir extends Parser
         } else {
             throw new \InvalidArgumentException('This parser can only read from strings or streams.');
         }
+
     }
 
     /**
      * Parses an entire document.
+     *
+     * @return void
      */
-    protected function parseDocument()
-    {
+    protected function parseDocument() {
+
         $line = $this->readLine();
 
         // BOM is ZERO WIDTH NO-BREAK SPACE (U+FEFF).
         // It's 0xEF 0xBB 0xBF in UTF-8 hex.
         if (3 <= strlen($line)
-            && 0xef === ord($line[0])
-            && 0xbb === ord($line[1])
-            && 0xbf === ord($line[2])) {
+            && ord($line[0]) === 0xef
+            && ord($line[1]) === 0xbb
+            && ord($line[2]) === 0xbf) {
             $line = substr($line, 3);
         }
 
         switch (strtoupper($line)) {
-            case 'BEGIN:VCALENDAR':
+            case 'BEGIN:VCALENDAR' :
                 $class = VCalendar::$componentMap['VCALENDAR'];
                 break;
-            case 'BEGIN:VCARD':
+            case 'BEGIN:VCARD' :
                 $class = VCard::$componentMap['VCARD'];
                 break;
-            default:
+            default :
                 throw new ParseException('This parser only supports VCARD and VCALENDAR files');
         }
 
         $this->root = new $class([], false);
 
         while (true) {
+
             // Reading until we hit END:
             $line = $this->readLine();
-            if ('END:' === strtoupper(substr($line, 0, 4))) {
+            if (strtoupper(substr($line, 0, 4)) === 'END:') {
                 break;
             }
             $result = $this->parseLine($line);
             if ($result) {
                 $this->root->add($result);
             }
+
         }
 
         $name = strtoupper(substr($line, 4));
         if ($name !== $this->root->name) {
-            throw new ParseException('Invalid MimeDir file. expected: "END:'.$this->root->name.'" got: "END:'.$name.'"');
+            throw new ParseException('Invalid MimeDir file. expected: "END:' . $this->root->name . '" got: "END:' . $name . '"');
         }
+
     }
 
     /**
@@ -191,40 +200,46 @@ class MimeDir extends Parser
      *
      * @return Node
      */
-    protected function parseLine($line)
-    {
+    protected function parseLine($line) {
+
         // Start of a new component
-        if ('BEGIN:' === strtoupper(substr($line, 0, 6))) {
+        if (strtoupper(substr($line, 0, 6)) === 'BEGIN:') {
+
             $component = $this->root->createComponent(substr($line, 6), [], false);
 
             while (true) {
+
                 // Reading until we hit END:
                 $line = $this->readLine();
-                if ('END:' === strtoupper(substr($line, 0, 4))) {
+                if (strtoupper(substr($line, 0, 4)) === 'END:') {
                     break;
                 }
                 $result = $this->parseLine($line);
                 if ($result) {
                     $component->add($result);
                 }
+
             }
 
             $name = strtoupper(substr($line, 4));
             if ($name !== $component->name) {
-                throw new ParseException('Invalid MimeDir file. expected: "END:'.$component->name.'" got: "END:'.$name.'"');
+                throw new ParseException('Invalid MimeDir file. expected: "END:' . $component->name . '" got: "END:' . $name . '"');
             }
 
             return $component;
+
         } else {
+
             // Property reader
             $property = $this->readProperty($line);
             if (!$property) {
                 // Ignored line
                 return false;
             }
-
             return $property;
+
         }
+
     }
 
     /**
@@ -233,7 +248,7 @@ class MimeDir extends Parser
      *
      * If that was not the case, we store it here.
      *
-     * @var string|null
+     * @var null|string
      */
     protected $lineBuffer;
 
@@ -266,8 +281,8 @@ class MimeDir extends Parser
      *
      * @return string
      */
-    protected function readLine()
-    {
+    protected function readLine() {
+
         if (!\is_null($this->lineBuffer)) {
             $rawLine = $this->lineBuffer;
             $this->lineBuffer = null;
@@ -277,15 +292,15 @@ class MimeDir extends Parser
 
                 $rawLine = \fgets($this->input);
 
-                if ($eof || (\feof($this->input) && false === $rawLine)) {
+                if ($eof || (\feof($this->input) && $rawLine === false)) {
                     throw new EofException('End of document reached prematurely');
                 }
-                if (false === $rawLine) {
+                if ($rawLine === false) {
                     throw new ParseException('Error reading from input stream');
                 }
                 $rawLine = \rtrim($rawLine, "\r\n");
-            } while ('' === $rawLine); // Skipping empty lines
-            ++$this->lineIndex;
+            } while ($rawLine === ''); // Skipping empty lines
+            $this->lineIndex++;
         }
         $line = $rawLine;
 
@@ -293,30 +308,34 @@ class MimeDir extends Parser
 
         // Looking ahead for folded lines.
         while (true) {
+
             $nextLine = \rtrim(\fgets($this->input), "\r\n");
-            ++$this->lineIndex;
+            $this->lineIndex++;
             if (!$nextLine) {
                 break;
             }
-            if ("\t" === $nextLine[0] || ' ' === $nextLine[0]) {
+            if ($nextLine[0] === "\t" || $nextLine[0] === " ") {
                 $curLine = \substr($nextLine, 1);
                 $line .= $curLine;
-                $rawLine .= "\n ".$curLine;
+                $rawLine .= "\n " . $curLine;
             } else {
                 $this->lineBuffer = $nextLine;
                 break;
             }
+
         }
         $this->rawLine = $rawLine;
-
         return $line;
+
     }
 
     /**
      * Reads a property or component from a line.
+     *
+     * @return void
      */
-    protected function readProperty($line)
-    {
+    protected function readProperty($line) {
+
         if ($this->options & self::OPTION_FORGIVING) {
             $propNameToken = 'A-Z0-9\-\._\\/';
         } else {
@@ -341,17 +360,17 @@ class MimeDir extends Parser
             /xi";
 
         //echo $regex, "\n"; die();
-        preg_match_all($regex, $line, $matches, PREG_SET_ORDER);
+        preg_match_all($regex, $line, $matches,  PREG_SET_ORDER);
 
         $property = [
-            'name' => null,
+            'name'       => null,
             'parameters' => [],
-            'value' => null,
+            'value'      => null
         ];
 
         $lastParam = null;
 
-        /*
+        /**
          * Looping through all the tokens.
          *
          * Note that we are looping through them in reverse order, because if a
@@ -359,8 +378,9 @@ class MimeDir extends Parser
          * in the result.
          */
         foreach ($matches as $match) {
+
             if (isset($match['paramValue'])) {
-                if ($match['paramValue'] && '"' === $match['paramValue'][0]) {
+                if ($match['paramValue'] && $match['paramValue'][0] === '"') {
                     $value = substr($match['paramValue'], 1, -1);
                 } else {
                     $value = $match['paramValue'];
@@ -369,7 +389,7 @@ class MimeDir extends Parser
                 $value = $this->unescapeParam($value);
 
                 if (is_null($lastParam)) {
-                    throw new ParseException('Invalid Mimedir file. Line starting at '.$this->startLine.' did not follow iCalendar/vCard conventions');
+                    throw new ParseException('Invalid Mimedir file. Line starting at ' . $this->startLine . ' did not follow iCalendar/vCard conventions');
                 }
                 if (is_null($property['parameters'][$lastParam])) {
                     $property['parameters'][$lastParam] = $value;
@@ -378,7 +398,7 @@ class MimeDir extends Parser
                 } else {
                     $property['parameters'][$lastParam] = [
                         $property['parameters'][$lastParam],
-                        $value,
+                        $value
                     ];
                 }
                 continue;
@@ -402,6 +422,7 @@ class MimeDir extends Parser
             // @codeCoverageIgnoreStart
             throw new \LogicException('This code should not be reachable');
             // @codeCoverageIgnoreEnd
+
         }
 
         if (is_null($property['value'])) {
@@ -411,11 +432,11 @@ class MimeDir extends Parser
             if ($this->options & self::OPTION_IGNORE_INVALID_LINES) {
                 return false;
             }
-            throw new ParseException('Invalid Mimedir file. Line starting at '.$this->startLine.' did not follow iCalendar/vCard conventions');
+            throw new ParseException('Invalid Mimedir file. Line starting at ' . $this->startLine . ' did not follow iCalendar/vCard conventions');
         }
 
         // vCard 2.1 states that parameters may appear without a name, and only
-        // a value. We can deduce the value based on its name.
+        // a value. We can deduce the value based on it's name.
         //
         // Our parser will get those as parameters without a value instead, so
         // we're filtering these parameters out first.
@@ -436,30 +457,31 @@ class MimeDir extends Parser
             $propObj->add(null, $namelessParameter);
         }
 
-        if ('QUOTED-PRINTABLE' === strtoupper($propObj['ENCODING'])) {
+        if (strtoupper($propObj['ENCODING']) === 'QUOTED-PRINTABLE') {
             $propObj->setQuotedPrintableValue($this->extractQuotedPrintableValue());
         } else {
             $charset = $this->charset;
-            if (Document::VCARD21 === $this->root->getDocumentType() && isset($propObj['CHARSET'])) {
+            if ($this->root->getDocumentType() === Document::VCARD21 && isset($propObj['CHARSET'])) {
                 // vCard 2.1 allows the character set to be specified per property.
-                $charset = (string) $propObj['CHARSET'];
+                $charset = (string)$propObj['CHARSET'];
             }
             switch (strtolower($charset)) {
-                case 'utf-8':
+                case 'utf-8' :
                     break;
-                case 'iso-8859-1':
+                case 'iso-8859-1' :
                     $property['value'] = utf8_encode($property['value']);
                     break;
-                case 'windows-1252':
+                case 'windows-1252' :
                     $property['value'] = mb_convert_encoding($property['value'], 'UTF-8', $charset);
                     break;
-                default:
-                    throw new ParseException('Unsupported CHARSET: '.$propObj['CHARSET']);
+                default :
+                    throw new ParseException('Unsupported CHARSET: ' . $propObj['CHARSET']);
             }
             $propObj->setRawMimeDirValue($property['value']);
         }
 
         return $propObj;
+
     }
 
     /**
@@ -524,11 +546,11 @@ class MimeDir extends Parser
      *
      * @return string|string[]
      */
-    public static function unescapeValue($input, $delimiter = ';')
-    {
+    static function unescapeValue($input, $delimiter = ';') {
+
         $regex = '#  (?: (\\\\ (?: \\\\ | N | n | ; | , ) )';
         if ($delimiter) {
-            $regex .= ' | ('.$delimiter.')';
+            $regex .= ' | (' . $delimiter . ')';
         }
         $regex .= ') #x';
 
@@ -538,33 +560,36 @@ class MimeDir extends Parser
         $result = '';
 
         foreach ($matches as $match) {
+
             switch ($match) {
-                case '\\\\':
+                case '\\\\' :
                     $result .= '\\';
                     break;
-                case '\N':
-                case '\n':
+                case '\N' :
+                case '\n' :
                     $result .= "\n";
                     break;
-                case '\;':
+                case '\;' :
                     $result .= ';';
                     break;
-                case '\,':
+                case '\,' :
                     $result .= ',';
                     break;
-                case $delimiter:
+                case $delimiter :
                     $resultArray[] = $result;
                     $result = '';
                     break;
-                default:
+                default :
                     $result .= $match;
                     break;
+
             }
+
         }
 
         $resultArray[] = $result;
-
         return $delimiter ? $resultArray : $result;
+
     }
 
     /**
@@ -598,19 +623,21 @@ class MimeDir extends Parser
      *   * " is encoded as ^'
      *
      * @param string $input
+     *
+     * @return void
      */
-    private function unescapeParam($input)
-    {
+    private function unescapeParam($input) {
+
         return
             preg_replace_callback(
                 '#(\^(\^|n|\'))#',
-                function ($matches) {
+                function($matches) {
                     switch ($matches[2]) {
-                        case 'n':
+                        case 'n' :
                             return "\n";
-                        case '^':
+                        case '^' :
                             return '^';
-                        case '\'':
+                        case '\'' :
                             return '"';
 
                     // @codeCoverageIgnoreStart
@@ -631,8 +658,8 @@ class MimeDir extends Parser
      *
      * @return string
      */
-    private function extractQuotedPrintableValue()
-    {
+    private function extractQuotedPrintableValue() {
+
         // We need to parse the raw line again to get the start of the value.
         //
         // We are basically looking for the first colon (:), but we need to
@@ -655,14 +682,16 @@ class MimeDir extends Parser
         // missing a whitespace. So if 'forgiving' is turned on, we will take
         // those as well.
         if ($this->options & self::OPTION_FORGIVING) {
-            while ('=' === substr($value, -1)) {
+            while (substr($value, -1) === '=') {
                 // Reading the line
                 $this->readLine();
                 // Grabbing the raw form
-                $value .= "\n".$this->rawLine;
+                $value .= "\n" . $this->rawLine;
             }
         }
 
         return $value;
+
     }
+
 }
diff --git a/vendor/sabre/vobject/lib/Parser/Parser.php b/vendor/sabre/vobject/lib/Parser/Parser.php
index b7b611430..ca8bc0add 100644
--- a/vendor/sabre/vobject/lib/Parser/Parser.php
+++ b/vendor/sabre/vobject/lib/Parser/Parser.php
@@ -11,8 +11,8 @@ namespace Sabre\VObject\Parser;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-abstract class Parser
-{
+abstract class Parser {
+
     /**
      * Turning on this option makes the parser more forgiving.
      *
@@ -41,10 +41,12 @@ abstract class Parser
      * Optionally, it's possible to parse the input stream here.
      *
      * @param mixed $input
-     * @param int   $options any parser options (OPTION constants)
+     * @param int $options Any parser options (OPTION constants).
+     *
+     * @return void
      */
-    public function __construct($input = null, $options = 0)
-    {
+    function __construct($input = null, $options = 0) {
+
         if (!is_null($input)) {
             $this->setInput($input);
         }
@@ -60,16 +62,19 @@ abstract class Parser
      * If either input or options are not supplied, the defaults will be used.
      *
      * @param mixed $input
-     * @param int   $options
+     * @param int $options
      *
      * @return array
      */
-    abstract public function parse($input = null, $options = 0);
+    abstract function parse($input = null, $options = 0);
 
     /**
      * Sets the input data.
      *
      * @param mixed $input
+     *
+     * @return void
      */
-    abstract public function setInput($input);
+    abstract function setInput($input);
+
 }
diff --git a/vendor/sabre/vobject/lib/Parser/XML.php b/vendor/sabre/vobject/lib/Parser/XML.php
index 90f262d9e..5ac423984 100644
--- a/vendor/sabre/vobject/lib/Parser/XML.php
+++ b/vendor/sabre/vobject/lib/Parser/XML.php
@@ -18,8 +18,8 @@ use Sabre\Xml as SabreXml;
  * @author Ivan Enderlin
  * @license http://sabre.io/license/ Modified BSD License
  */
-class XML extends Parser
-{
+class XML extends Parser {
+
     const XCAL_NAMESPACE = 'urn:ietf:params:xml:ns:icalendar-2.0';
     const XCARD_NAMESPACE = 'urn:ietf:params:xml:ns:vcard-4.0';
 
@@ -40,7 +40,7 @@ class XML extends Parser
     /**
      * Document, root component.
      *
-     * @var \Sabre\VObject\Document
+     * @var Sabre\VObject\Document
      */
     protected $root;
 
@@ -50,29 +50,32 @@ class XML extends Parser
      * Optionally, it's possible to parse the input stream here.
      *
      * @param mixed $input
-     * @param int   $options any parser options (OPTION constants)
+     * @param int $options Any parser options (OPTION constants).
+     *
+     * @return void
      */
-    public function __construct($input = null, $options = 0)
-    {
+    function __construct($input = null, $options = 0) {
+
         if (0 === $options) {
             $options = parent::OPTION_FORGIVING;
         }
 
         parent::__construct($input, $options);
+
     }
 
     /**
      * Parse xCal or xCard.
      *
      * @param resource|string $input
-     * @param int             $options
+     * @param int $options
      *
      * @throws \Exception
      *
-     * @return \Sabre\VObject\Document
+     * @return Sabre\VObject\Document
      */
-    public function parse($input = null, $options = 0)
-    {
+    function parse($input = null, $options = 0) {
+
         if (!is_null($input)) {
             $this->setInput($input);
         }
@@ -86,25 +89,29 @@ class XML extends Parser
         }
 
         switch ($this->input['name']) {
-            case '{'.self::XCAL_NAMESPACE.'}icalendar':
+
+            case '{' . self::XCAL_NAMESPACE . '}icalendar':
                 $this->root = new VCalendar([], false);
                 $this->pointer = &$this->input['value'][0];
                 $this->parseVCalendarComponents($this->root);
                 break;
 
-            case '{'.self::XCARD_NAMESPACE.'}vcards':
+            case '{' . self::XCARD_NAMESPACE . '}vcards':
                 foreach ($this->input['value'] as &$vCard) {
+
                     $this->root = new VCard(['version' => '4.0'], false);
                     $this->pointer = &$vCard;
                     $this->parseVCardComponents($this->root);
 
                     // We just parse the first <vcard /> element.
                     break;
+
                 }
                 break;
 
             default:
                 throw new ParseException('Unsupported XML standard');
+
         }
 
         return $this->root;
@@ -114,11 +121,15 @@ class XML extends Parser
      * Parse a xCalendar component.
      *
      * @param Component $parentComponent
+     *
+     * @return void
      */
-    protected function parseVCalendarComponents(Component $parentComponent)
-    {
+    protected function parseVCalendarComponents(Component $parentComponent) {
+
         foreach ($this->pointer['value'] ?: [] as $children) {
+
             switch (static::getTagName($children['name'])) {
+
                 case 'properties':
                     $this->pointer = &$children['value'];
                     $this->parseProperties($parentComponent);
@@ -130,28 +141,35 @@ class XML extends Parser
                     break;
             }
         }
+
     }
 
     /**
      * Parse a xCard component.
      *
      * @param Component $parentComponent
+     *
+     * @return void
      */
-    protected function parseVCardComponents(Component $parentComponent)
-    {
+    protected function parseVCardComponents(Component $parentComponent) {
+
         $this->pointer = &$this->pointer['value'];
         $this->parseProperties($parentComponent);
+
     }
 
     /**
      * Parse xCalendar and xCard properties.
      *
      * @param Component $parentComponent
-     * @param string    $propertyNamePrefix
+     * @param string  $propertyNamePrefix
+     *
+     * @return void
      */
-    protected function parseProperties(Component $parentComponent, $propertyNamePrefix = '')
-    {
+    protected function parseProperties(Component $parentComponent, $propertyNamePrefix = '') {
+
         foreach ($this->pointer ?: [] as $xmlProperty) {
+
             list($namespace, $tagName) = SabreXml\Service::parseClarkNotation($xmlProperty['name']);
 
             $propertyName = $tagName;
@@ -160,16 +178,17 @@ class XML extends Parser
             $propertyType = 'text';
 
             // A property which is not part of the standard.
-            if (self::XCAL_NAMESPACE !== $namespace
-                && self::XCARD_NAMESPACE !== $namespace) {
+            if ($namespace !== self::XCAL_NAMESPACE
+                && $namespace !== self::XCARD_NAMESPACE) {
+
                 $propertyName = 'xml';
-                $value = '<'.$tagName.' xmlns="'.$namespace.'"';
+                $value = '<' . $tagName . ' xmlns="' . $namespace . '"';
 
                 foreach ($xmlProperty['attributes'] as $attributeName => $attributeValue) {
-                    $value .= ' '.$attributeName.'="'.str_replace('"', '\"', $attributeValue).'"';
+                    $value .= ' ' . $attributeName . '="' . str_replace('"', '\"', $attributeValue) . '"';
                 }
 
-                $value .= '>'.$xmlProperty['value'].'</'.$tagName.'>';
+                $value .= '>' . $xmlProperty['value'] . '</' . $tagName . '>';
 
                 $propertyValue = [$value];
 
@@ -185,7 +204,8 @@ class XML extends Parser
             }
 
             // xCard group.
-            if ('group' === $propertyName) {
+            if ($propertyName === 'group') {
+
                 if (!isset($xmlProperty['attributes']['name'])) {
                     continue;
                 }
@@ -193,22 +213,24 @@ class XML extends Parser
                 $this->pointer = &$xmlProperty['value'];
                 $this->parseProperties(
                     $parentComponent,
-                    strtoupper($xmlProperty['attributes']['name']).'.'
+                    strtoupper($xmlProperty['attributes']['name']) . '.'
                 );
 
                 continue;
+
             }
 
             // Collect parameters.
             foreach ($xmlProperty['value'] as $i => $xmlPropertyChild) {
+
                 if (!is_array($xmlPropertyChild)
-                    || 'parameters' !== static::getTagName($xmlPropertyChild['name'])) {
+                    || 'parameters' !== static::getTagName($xmlPropertyChild['name']))
                     continue;
-                }
 
                 $xmlParameters = $xmlPropertyChild['value'];
 
                 foreach ($xmlParameters as $xmlParameter) {
+
                     $propertyParameterValues = [];
 
                     foreach ($xmlParameter['value'] as $xmlParameterValues) {
@@ -217,16 +239,19 @@ class XML extends Parser
 
                     $propertyParameters[static::getTagName($xmlParameter['name'])]
                         = implode(',', $propertyParameterValues);
+
                 }
 
                 array_splice($xmlProperty['value'], $i, 1);
+
             }
 
             $propertyNameExtended = ($this->root instanceof VCalendar
                                       ? 'xcal'
-                                      : 'xcard').':'.$propertyName;
+                                      : 'xcard') . ':' . $propertyName;
 
             switch ($propertyNameExtended) {
+
                 case 'xcal:geo':
                     $propertyType = 'float';
                     $propertyValue['latitude'] = 0;
@@ -252,7 +277,6 @@ class XML extends Parser
                     // We don't break because we only want to set
                     // another property type.
 
-                    // no break
                 case 'xcal:categories':
                 case 'xcal:resources':
                 case 'xcal:exdate':
@@ -266,12 +290,16 @@ class XML extends Parser
                     $propertyType = 'date-time';
 
                     foreach ($xmlProperty['value'] as $specialChild) {
+
                         $tagName = static::getTagName($specialChild['name']);
 
                         if ('period' === $tagName) {
+
                             $propertyParameters['value'] = 'PERIOD';
                             $propertyValue[] = implode('/', $specialChild['value']);
-                        } else {
+
+                        }
+                        else {
                             $propertyValue[] = $specialChild['value'];
                         }
                     }
@@ -292,24 +320,29 @@ class XML extends Parser
 
             $this->createProperty(
                 $parentComponent,
-                $propertyNamePrefix.$propertyName,
+                $propertyNamePrefix . $propertyName,
                 $propertyParameters,
                 $propertyType,
                 $propertyValue
             );
+
         }
+
     }
 
     /**
      * Parse a component.
      *
      * @param Component $parentComponent
+     *
+     * @return void
      */
-    protected function parseComponent(Component $parentComponent)
-    {
+    protected function parseComponent(Component $parentComponent) {
+
         $components = $this->pointer['value'] ?: [];
 
         foreach ($components as $component) {
+
             $componentName = static::getTagName($component['name']);
             $currentComponent = $this->root->createComponent(
                 $componentName,
@@ -321,20 +354,24 @@ class XML extends Parser
             $this->parseVCalendarComponents($currentComponent);
 
             $parentComponent->add($currentComponent);
+
         }
+
     }
 
     /**
      * Create a property.
      *
      * @param Component $parentComponent
-     * @param string    $name
-     * @param array     $parameters
-     * @param string    $type
-     * @param mixed     $value
+     * @param string $name
+     * @param array $parameters
+     * @param string $type
+     * @param mixed $value
+     *
+     * @return void
      */
-    protected function createProperty(Component $parentComponent, $name, $parameters, $type, $value)
-    {
+    protected function createProperty(Component $parentComponent, $name, $parameters, $type, $value) {
+
         $property = $this->root->createProperty(
             $name,
             null,
@@ -343,30 +380,36 @@ class XML extends Parser
         );
         $parentComponent->add($property);
         $property->setXmlValue($value);
+
     }
 
     /**
      * Sets the input data.
      *
      * @param resource|string $input
+     *
+     * @return void
      */
-    public function setInput($input)
-    {
+    function setInput($input) {
+
         if (is_resource($input)) {
             $input = stream_get_contents($input);
         }
 
         if (is_string($input)) {
+
             $reader = new SabreXml\Reader();
-            $reader->elementMap['{'.self::XCAL_NAMESPACE.'}period']
+            $reader->elementMap['{' . self::XCAL_NAMESPACE . '}period']
                 = 'Sabre\VObject\Parser\XML\Element\KeyValue';
-            $reader->elementMap['{'.self::XCAL_NAMESPACE.'}recur']
+            $reader->elementMap['{' . self::XCAL_NAMESPACE . '}recur']
                 = 'Sabre\VObject\Parser\XML\Element\KeyValue';
             $reader->xml($input);
             $input = $reader->parse();
+
         }
 
         $this->input = $input;
+
     }
 
     /**
@@ -376,10 +419,10 @@ class XML extends Parser
      *
      * @return string
      */
-    protected static function getTagName($clarkedTagName)
-    {
-        list(, $tagName) = SabreXml\Service::parseClarkNotation($clarkedTagName);
+    protected static function getTagName($clarkedTagName) {
 
+        list(, $tagName) = SabreXml\Service::parseClarkNotation($clarkedTagName);
         return $tagName;
+
     }
 }
diff --git a/vendor/sabre/vobject/lib/Parser/XML/Element/KeyValue.php b/vendor/sabre/vobject/lib/Parser/XML/Element/KeyValue.php
index e26540036..14d798433 100644
--- a/vendor/sabre/vobject/lib/Parser/XML/Element/KeyValue.php
+++ b/vendor/sabre/vobject/lib/Parser/XML/Element/KeyValue.php
@@ -13,8 +13,8 @@ use Sabre\Xml as SabreXml;
  * @author Ivan Enderlin
  * @license http://sabre.io/license/ Modified BSD License
  */
-class KeyValue extends SabreXml\Element\KeyValue
-{
+class KeyValue extends SabreXml\Element\KeyValue {
+
     /**
      * The deserialize method is called during xml parsing.
      *
@@ -37,12 +37,11 @@ class KeyValue extends SabreXml\Element\KeyValue
      *
      * @return mixed
      */
-    public static function xmlDeserialize(SabreXml\Reader $reader)
-    {
+    static function xmlDeserialize(SabreXml\Reader $reader) {
+
         // If there's no children, we don't do anything.
         if ($reader->isEmptyElement) {
             $reader->next();
-
             return [];
         }
 
@@ -50,16 +49,22 @@ class KeyValue extends SabreXml\Element\KeyValue
         $reader->read();
 
         do {
-            if (SabreXml\Reader::ELEMENT === $reader->nodeType) {
+
+            if ($reader->nodeType === SabreXml\Reader::ELEMENT) {
+
                 $name = $reader->localName;
                 $values[$name] = $reader->parseCurrentElement()['value'];
+
             } else {
                 $reader->read();
             }
-        } while (SabreXml\Reader::END_ELEMENT !== $reader->nodeType);
+
+        } while ($reader->nodeType !== SabreXml\Reader::END_ELEMENT);
 
         $reader->read();
 
         return $values;
+
     }
+
 }