diff --git a/src/danog/MadelineProto/TL/Extension.php b/src/danog/MadelineProto/TL/Extension.php
index 97d02fef..4d39fbf0 100644
--- a/src/danog/MadelineProto/TL/Extension.php
+++ b/src/danog/MadelineProto/TL/Extension.php
@@ -14,397 +14,395 @@ If not, see <http://www.gnu.org/licenses/>.
 
 namespace danog\MadelineProto\TL;
 
-
 /**
-* Manages generation of extensions for files
+ * Manages generation of extensions for files.
  */
 trait Extension
 {
-	
-	public $all_mimes = [
-	  'png' => [
-	    0 => 'image/png',
-	    1 => 'image/x-png',
-	  ],
-	  'bmp' => [
-	    0  => 'image/bmp',
-	    1  => 'image/x-bmp',
-	    2  => 'image/x-bitmap',
-	    3  => 'image/x-xbitmap',
-	    4  => 'image/x-win-bitmap',
-	    5  => 'image/x-windows-bmp',
-	    6  => 'image/ms-bmp',
-	    7  => 'image/x-ms-bmp',
-	    8  => 'application/bmp',
-	    9  => 'application/x-bmp',
-	    10 => 'application/x-win-bitmap',
-	  ],
-	  'gif' => [
-	    0 => 'image/gif',
-	  ],
-	  'jpeg' => [
-	    0 => 'image/jpeg',
-	    1 => 'image/pjpeg',
-	  ],
-	  'xspf' => [
-	    0 => 'application/xspf+xml',
-	  ],
-	  'vlc' => [
-	    0 => 'application/videolan',
-	  ],
-	  'wmv' => [
-	    0 => 'video/x-ms-wmv',
-	    1 => 'video/x-ms-asf',
-	  ],
-	  'au' => [
-	    0 => 'audio/x-au',
-	  ],
-	  'ac3' => [
-	    0 => 'audio/ac3',
-	  ],
-	  'flac' => [
-	    0 => 'audio/x-flac',
-	  ],
-	  'ogg' => [
-	    0 => 'audio/ogg',
-	    1 => 'video/ogg',
-	    2 => 'application/ogg',
-	  ],
-	  'kmz' => [
-	    0 => 'application/vnd.google-earth.kmz',
-	  ],
-	  'kml' => [
-	    0 => 'application/vnd.google-earth.kml+xml',
-	  ],
-	  'rtx' => [
-	    0 => 'text/richtext',
-	  ],
-	  'rtf' => [
-	    0 => 'text/rtf',
-	  ],
-	  'jar' => [
-	    0 => 'application/java-archive',
-	    1 => 'application/x-java-application',
-	    2 => 'application/x-jar',
-	  ],
-	  'zip' => [
-	    0 => 'application/x-zip',
-	    1 => 'application/zip',
-	    2 => 'application/x-zip-compressed',
-	    3 => 'application/s-compressed',
-	    4 => 'multipart/x-zip',
-	  ],
-	  '7zip' => [
-	    0 => 'application/x-compressed',
-	  ],
-	  'xml' => [
-	    0 => 'application/xml',
-	    1 => 'text/xml',
-	  ],
-	  'svg' => [
-	    0 => 'image/svg+xml',
-	  ],
-	  '3g2' => [
-	    0 => 'video/3gpp2',
-	  ],
-	  '3gp' => [
-	    0 => 'video/3gp',
-	    1 => 'video/3gpp',
-	  ],
-	  'mp4' => [
-	    0 => 'video/mp4',
-	  ],
-	  'm4a' => [
-	    0 => 'audio/x-m4a',
-	  ],
-	  'f4v' => [
-	    0 => 'video/x-f4v',
-	  ],
-	  'flv' => [
-	    0 => 'video/x-flv',
-	  ],
-	  'webm' => [
-	    0 => 'video/webm',
-	  ],
-	  'aac' => [
-	    0 => 'audio/x-acc',
-	  ],
-	  'm4u' => [
-	    0 => 'application/vnd.mpegurl',
-	  ],
-	  'pdf' => [
-	    0 => 'application/pdf',
-	    1 => 'application/octet-stream',
-	  ],
-	  'pptx' => [
-	    0 => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
-	  ],
-	  'ppt' => [
-	    0 => 'application/powerpoint',
-	    1 => 'application/vnd.ms-powerpoint',
-	    2 => 'application/vnd.ms-office',
-	    3 => 'application/msword',
-	  ],
-	  'docx' => [
-	    0 => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
-	  ],
-	  'xlsx' => [
-	    0 => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
-	    1 => 'application/vnd.ms-excel',
-	  ],
-	  'xl' => [
-	    0 => 'application/excel',
-	  ],
-	  'xls' => [
-	    0 => 'application/msexcel',
-	    1 => 'application/x-msexcel',
-	    2 => 'application/x-ms-excel',
-	    3 => 'application/x-excel',
-	    4 => 'application/x-dos_ms_excel',
-	    5 => 'application/xls',
-	    6 => 'application/x-xls',
-	  ],
-	  'xsl' => [
-	    0 => 'text/xsl',
-	  ],
-	  'mpeg' => [
-	    0 => 'video/mpeg',
-	  ],
-	  'mov' => [
-	    0 => 'video/quicktime',
-	  ],
-	  'avi' => [
-	    0 => 'video/x-msvideo',
-	    1 => 'video/msvideo',
-	    2 => 'video/avi',
-	    3 => 'application/x-troff-msvideo',
-	  ],
-	  'movie' => [
-	    0 => 'video/x-sgi-movie',
-	  ],
-	  'log' => [
-	    0 => 'text/x-log',
-	  ],
-	  'txt' => [
-	    0 => 'text/plain',
-	  ],
-	  'css' => [
-	    0 => 'text/css',
-	  ],
-	  'html' => [
-	    0 => 'text/html',
-	  ],
-	  'wav' => [
-	    0 => 'audio/x-wav',
-	    1 => 'audio/wave',
-	    2 => 'audio/wav',
-	  ],
-	  'xhtml' => [
-	    0 => 'application/xhtml+xml',
-	  ],
-	  'tar' => [
-	    0 => 'application/x-tar',
-	  ],
-	  'tgz' => [
-	    0 => 'application/x-gzip-compressed',
-	  ],
-	  'psd' => [
-	    0 => 'application/x-photoshop',
-	    1 => 'image/vnd.adobe.photoshop',
-	  ],
-	  'exe' => [
-	    0 => 'application/x-msdownload',
-	  ],
-	  'js' => [
-	    0 => 'application/x-javascript',
-	  ],
-	  'mp3' => [
-	    0 => 'audio/mpeg',
-	    1 => 'audio/mpg',
-	    2 => 'audio/mpeg3',
-	    3 => 'audio/mp3',
-	  ],
-	  'rar' => [
-	    0 => 'application/x-rar',
-	    1 => 'application/rar',
-	    2 => 'application/x-rar-compressed',
-	  ],
-	  'gzip' => [
-	    0 => 'application/x-gzip',
-	  ],
-	  'hqx' => [
-	    0 => 'application/mac-binhex40',
-	    1 => 'application/mac-binhex',
-	    2 => 'application/x-binhex40',
-	    3 => 'application/x-mac-binhex40',
-	  ],
-	  'cpt' => [
-	    0 => 'application/mac-compactpro',
-	  ],
-	  'bin' => [
-	    0 => 'application/macbinary',
-	    1 => 'application/mac-binary',
-	    2 => 'application/x-binary',
-	    3 => 'application/x-macbinary',
-	  ],
-	  'oda' => [
-	    0 => 'application/oda',
-	  ],
-	  'ai' => [
-	    0 => 'application/postscript',
-	  ],
-	  'smil' => [
-	    0 => 'application/smil',
-	  ],
-	  'mif' => [
-	    0 => 'application/vnd.mif',
-	  ],
-	  'wbxml' => [
-	    0 => 'application/wbxml',
-	  ],
-	  'wmlc' => [
-	    0 => 'application/wmlc',
-	  ],
-	  'dcr' => [
-	    0 => 'application/x-director',
-	  ],
-	  'dvi' => [
-	    0 => 'application/x-dvi',
-	  ],
-	  'gtar' => [
-	    0 => 'application/x-gtar',
-	  ],
-	  'php' => [
-	    0 => 'application/x-httpd-php',
-	    1 => 'application/php',
-	    2 => 'application/x-php',
-	    3 => 'text/php',
-	    4 => 'text/x-php',
-	    5 => 'application/x-httpd-php-source',
-	  ],
-	  'swf' => [
-	    0 => 'application/x-shockwave-flash',
-	  ],
-	  'sit' => [
-	    0 => 'application/x-stuffit',
-	  ],
-	  'z' => [
-	    0 => 'application/x-compress',
-	  ],
-	  'mid' => [
-	    0 => 'audio/midi',
-	  ],
-	  'aif' => [
-	    0 => 'audio/x-aiff',
-	    1 => 'audio/aiff',
-	  ],
-	  'ram' => [
-	    0 => 'audio/x-pn-realaudio',
-	  ],
-	  'rpm' => [
-	    0 => 'audio/x-pn-realaudio-plugin',
-	  ],
-	  'ra' => [
-	    0 => 'audio/x-realaudio',
-	  ],
-	  'rv' => [
-	    0 => 'video/vnd.rn-realvideo',
-	  ],
-	  'jp2' => [
-	    0 => 'image/jp2',
-	    1 => 'video/mj2',
-	    2 => 'image/jpx',
-	    3 => 'image/jpm',
-	  ],
-	  'tiff' => [
-	    0 => 'image/tiff',
-	  ],
-	  'eml' => [
-	    0 => 'message/rfc822',
-	  ],
-	  'pem' => [
-	    0 => 'application/x-x509-user-cert',
-	    1 => 'application/x-pem-file',
-	  ],
-	  'p10' => [
-	    0 => 'application/x-pkcs10',
-	    1 => 'application/pkcs10',
-	  ],
-	  'p12' => [
-	    0 => 'application/x-pkcs12',
-	  ],
-	  'p7a' => [
-	    0 => 'application/x-pkcs7-signature',
-	  ],
-	  'p7c' => [
-	    0 => 'application/pkcs7-mime',
-	    1 => 'application/x-pkcs7-mime',
-	  ],
-	  'p7r' => [
-	    0 => 'application/x-pkcs7-certreqresp',
-	  ],
-	  'p7s' => [
-	    0 => 'application/pkcs7-signature',
-	  ],
-	  'crt' => [
-	    0 => 'application/x-x509-ca-cert',
-	    1 => 'application/pkix-cert',
-	  ],
-	  'crl' => [
-	    0 => 'application/pkix-crl',
-	    1 => 'application/pkcs-crl',
-	  ],
-	  'pgp' => [
-	    0 => 'application/pgp',
-	  ],
-	  'gpg' => [
-	    0 => 'application/gpg-keys',
-	  ],
-	  'rsa' => [
-	    0 => 'application/x-pkcs7',
-	  ],
-	  'ics' => [
-	    0 => 'text/calendar',
-	  ],
-	  'zsh' => [
-	    0 => 'text/x-scriptzsh',
-	  ],
-	  'cdr' => [
-	    0 => 'application/cdr',
-	    1 => 'application/coreldraw',
-	    2 => 'application/x-cdr',
-	    3 => 'application/x-coreldraw',
-	    4 => 'image/cdr',
-	    5 => 'image/x-cdr',
-	    6 => 'zz-application/zz-winassoc-cdr',
-	  ],
-	  'wma' => [
-	    0 => 'audio/x-ms-wma',
-	  ],
-	  'vcf' => [
-	    0 => 'text/x-vcard',
-	  ],
-	  'srt' => [
-	    0 => 'text/srt',
-	  ],
-	  'vtt' => [
-	    0 => 'text/vtt',
-	  ],
-	  'ico' => [
-	    0 => 'image/x-icon',
-	    1 => 'image/x-ico',
-	    2 => 'image/vnd.microsoft.icon',
-	  ],
-	  'csv' => [
-	    0 => 'text/x-comma-separated-values',
-	    1 => 'text/comma-separated-values',
-	    2 => 'application/vnd.msexcel',
-	  ],
-	  'json' => [
-	    0 => 'application/json',
-	    1 => 'text/json',
-	  ],
-	];
+    public $all_mimes = [
+      'png' => [
+        0 => 'image/png',
+        1 => 'image/x-png',
+      ],
+      'bmp' => [
+        0  => 'image/bmp',
+        1  => 'image/x-bmp',
+        2  => 'image/x-bitmap',
+        3  => 'image/x-xbitmap',
+        4  => 'image/x-win-bitmap',
+        5  => 'image/x-windows-bmp',
+        6  => 'image/ms-bmp',
+        7  => 'image/x-ms-bmp',
+        8  => 'application/bmp',
+        9  => 'application/x-bmp',
+        10 => 'application/x-win-bitmap',
+      ],
+      'gif' => [
+        0 => 'image/gif',
+      ],
+      'jpeg' => [
+        0 => 'image/jpeg',
+        1 => 'image/pjpeg',
+      ],
+      'xspf' => [
+        0 => 'application/xspf+xml',
+      ],
+      'vlc' => [
+        0 => 'application/videolan',
+      ],
+      'wmv' => [
+        0 => 'video/x-ms-wmv',
+        1 => 'video/x-ms-asf',
+      ],
+      'au' => [
+        0 => 'audio/x-au',
+      ],
+      'ac3' => [
+        0 => 'audio/ac3',
+      ],
+      'flac' => [
+        0 => 'audio/x-flac',
+      ],
+      'ogg' => [
+        0 => 'audio/ogg',
+        1 => 'video/ogg',
+        2 => 'application/ogg',
+      ],
+      'kmz' => [
+        0 => 'application/vnd.google-earth.kmz',
+      ],
+      'kml' => [
+        0 => 'application/vnd.google-earth.kml+xml',
+      ],
+      'rtx' => [
+        0 => 'text/richtext',
+      ],
+      'rtf' => [
+        0 => 'text/rtf',
+      ],
+      'jar' => [
+        0 => 'application/java-archive',
+        1 => 'application/x-java-application',
+        2 => 'application/x-jar',
+      ],
+      'zip' => [
+        0 => 'application/x-zip',
+        1 => 'application/zip',
+        2 => 'application/x-zip-compressed',
+        3 => 'application/s-compressed',
+        4 => 'multipart/x-zip',
+      ],
+      '7zip' => [
+        0 => 'application/x-compressed',
+      ],
+      'xml' => [
+        0 => 'application/xml',
+        1 => 'text/xml',
+      ],
+      'svg' => [
+        0 => 'image/svg+xml',
+      ],
+      '3g2' => [
+        0 => 'video/3gpp2',
+      ],
+      '3gp' => [
+        0 => 'video/3gp',
+        1 => 'video/3gpp',
+      ],
+      'mp4' => [
+        0 => 'video/mp4',
+      ],
+      'm4a' => [
+        0 => 'audio/x-m4a',
+      ],
+      'f4v' => [
+        0 => 'video/x-f4v',
+      ],
+      'flv' => [
+        0 => 'video/x-flv',
+      ],
+      'webm' => [
+        0 => 'video/webm',
+      ],
+      'aac' => [
+        0 => 'audio/x-acc',
+      ],
+      'm4u' => [
+        0 => 'application/vnd.mpegurl',
+      ],
+      'pdf' => [
+        0 => 'application/pdf',
+        1 => 'application/octet-stream',
+      ],
+      'pptx' => [
+        0 => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+      ],
+      'ppt' => [
+        0 => 'application/powerpoint',
+        1 => 'application/vnd.ms-powerpoint',
+        2 => 'application/vnd.ms-office',
+        3 => 'application/msword',
+      ],
+      'docx' => [
+        0 => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+      ],
+      'xlsx' => [
+        0 => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+        1 => 'application/vnd.ms-excel',
+      ],
+      'xl' => [
+        0 => 'application/excel',
+      ],
+      'xls' => [
+        0 => 'application/msexcel',
+        1 => 'application/x-msexcel',
+        2 => 'application/x-ms-excel',
+        3 => 'application/x-excel',
+        4 => 'application/x-dos_ms_excel',
+        5 => 'application/xls',
+        6 => 'application/x-xls',
+      ],
+      'xsl' => [
+        0 => 'text/xsl',
+      ],
+      'mpeg' => [
+        0 => 'video/mpeg',
+      ],
+      'mov' => [
+        0 => 'video/quicktime',
+      ],
+      'avi' => [
+        0 => 'video/x-msvideo',
+        1 => 'video/msvideo',
+        2 => 'video/avi',
+        3 => 'application/x-troff-msvideo',
+      ],
+      'movie' => [
+        0 => 'video/x-sgi-movie',
+      ],
+      'log' => [
+        0 => 'text/x-log',
+      ],
+      'txt' => [
+        0 => 'text/plain',
+      ],
+      'css' => [
+        0 => 'text/css',
+      ],
+      'html' => [
+        0 => 'text/html',
+      ],
+      'wav' => [
+        0 => 'audio/x-wav',
+        1 => 'audio/wave',
+        2 => 'audio/wav',
+      ],
+      'xhtml' => [
+        0 => 'application/xhtml+xml',
+      ],
+      'tar' => [
+        0 => 'application/x-tar',
+      ],
+      'tgz' => [
+        0 => 'application/x-gzip-compressed',
+      ],
+      'psd' => [
+        0 => 'application/x-photoshop',
+        1 => 'image/vnd.adobe.photoshop',
+      ],
+      'exe' => [
+        0 => 'application/x-msdownload',
+      ],
+      'js' => [
+        0 => 'application/x-javascript',
+      ],
+      'mp3' => [
+        0 => 'audio/mpeg',
+        1 => 'audio/mpg',
+        2 => 'audio/mpeg3',
+        3 => 'audio/mp3',
+      ],
+      'rar' => [
+        0 => 'application/x-rar',
+        1 => 'application/rar',
+        2 => 'application/x-rar-compressed',
+      ],
+      'gzip' => [
+        0 => 'application/x-gzip',
+      ],
+      'hqx' => [
+        0 => 'application/mac-binhex40',
+        1 => 'application/mac-binhex',
+        2 => 'application/x-binhex40',
+        3 => 'application/x-mac-binhex40',
+      ],
+      'cpt' => [
+        0 => 'application/mac-compactpro',
+      ],
+      'bin' => [
+        0 => 'application/macbinary',
+        1 => 'application/mac-binary',
+        2 => 'application/x-binary',
+        3 => 'application/x-macbinary',
+      ],
+      'oda' => [
+        0 => 'application/oda',
+      ],
+      'ai' => [
+        0 => 'application/postscript',
+      ],
+      'smil' => [
+        0 => 'application/smil',
+      ],
+      'mif' => [
+        0 => 'application/vnd.mif',
+      ],
+      'wbxml' => [
+        0 => 'application/wbxml',
+      ],
+      'wmlc' => [
+        0 => 'application/wmlc',
+      ],
+      'dcr' => [
+        0 => 'application/x-director',
+      ],
+      'dvi' => [
+        0 => 'application/x-dvi',
+      ],
+      'gtar' => [
+        0 => 'application/x-gtar',
+      ],
+      'php' => [
+        0 => 'application/x-httpd-php',
+        1 => 'application/php',
+        2 => 'application/x-php',
+        3 => 'text/php',
+        4 => 'text/x-php',
+        5 => 'application/x-httpd-php-source',
+      ],
+      'swf' => [
+        0 => 'application/x-shockwave-flash',
+      ],
+      'sit' => [
+        0 => 'application/x-stuffit',
+      ],
+      'z' => [
+        0 => 'application/x-compress',
+      ],
+      'mid' => [
+        0 => 'audio/midi',
+      ],
+      'aif' => [
+        0 => 'audio/x-aiff',
+        1 => 'audio/aiff',
+      ],
+      'ram' => [
+        0 => 'audio/x-pn-realaudio',
+      ],
+      'rpm' => [
+        0 => 'audio/x-pn-realaudio-plugin',
+      ],
+      'ra' => [
+        0 => 'audio/x-realaudio',
+      ],
+      'rv' => [
+        0 => 'video/vnd.rn-realvideo',
+      ],
+      'jp2' => [
+        0 => 'image/jp2',
+        1 => 'video/mj2',
+        2 => 'image/jpx',
+        3 => 'image/jpm',
+      ],
+      'tiff' => [
+        0 => 'image/tiff',
+      ],
+      'eml' => [
+        0 => 'message/rfc822',
+      ],
+      'pem' => [
+        0 => 'application/x-x509-user-cert',
+        1 => 'application/x-pem-file',
+      ],
+      'p10' => [
+        0 => 'application/x-pkcs10',
+        1 => 'application/pkcs10',
+      ],
+      'p12' => [
+        0 => 'application/x-pkcs12',
+      ],
+      'p7a' => [
+        0 => 'application/x-pkcs7-signature',
+      ],
+      'p7c' => [
+        0 => 'application/pkcs7-mime',
+        1 => 'application/x-pkcs7-mime',
+      ],
+      'p7r' => [
+        0 => 'application/x-pkcs7-certreqresp',
+      ],
+      'p7s' => [
+        0 => 'application/pkcs7-signature',
+      ],
+      'crt' => [
+        0 => 'application/x-x509-ca-cert',
+        1 => 'application/pkix-cert',
+      ],
+      'crl' => [
+        0 => 'application/pkix-crl',
+        1 => 'application/pkcs-crl',
+      ],
+      'pgp' => [
+        0 => 'application/pgp',
+      ],
+      'gpg' => [
+        0 => 'application/gpg-keys',
+      ],
+      'rsa' => [
+        0 => 'application/x-pkcs7',
+      ],
+      'ics' => [
+        0 => 'text/calendar',
+      ],
+      'zsh' => [
+        0 => 'text/x-scriptzsh',
+      ],
+      'cdr' => [
+        0 => 'application/cdr',
+        1 => 'application/coreldraw',
+        2 => 'application/x-cdr',
+        3 => 'application/x-coreldraw',
+        4 => 'image/cdr',
+        5 => 'image/x-cdr',
+        6 => 'zz-application/zz-winassoc-cdr',
+      ],
+      'wma' => [
+        0 => 'audio/x-ms-wma',
+      ],
+      'vcf' => [
+        0 => 'text/x-vcard',
+      ],
+      'srt' => [
+        0 => 'text/srt',
+      ],
+      'vtt' => [
+        0 => 'text/vtt',
+      ],
+      'ico' => [
+        0 => 'image/x-icon',
+        1 => 'image/x-ico',
+        2 => 'image/vnd.microsoft.icon',
+      ],
+      'csv' => [
+        0 => 'text/x-comma-separated-values',
+        1 => 'text/comma-separated-values',
+        2 => 'application/vnd.msexcel',
+      ],
+      'json' => [
+        0 => 'application/json',
+        1 => 'text/json',
+      ],
+    ];
 
     public function get_extension_from_mime($mime)
     {
@@ -433,5 +431,4 @@ trait Extension
             default: return $default;
         }
     }
-
 }