216 lines
8.1 KiB
PHP
216 lines
8.1 KiB
PHP
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<?php
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/** This file is part of KCFinder project
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*
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* @desc File helper class
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* @package KCFinder
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* @version 3.12
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* @author Pavel Tzonkov <sunhater@sunhater.com>
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* @copyright 2010-2014 KCFinder Project
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* @license http://opensource.org/licenses/GPL-3.0 GPLv3
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* @license http://opensource.org/licenses/LGPL-3.0 LGPLv3
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* @link http://kcfinder.sunhater.com
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*/
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namespace kcfinder;
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class file {
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static $MIME = array(
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'ai' => 'application/postscript',
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'aif' => 'audio/x-aiff',
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'aifc' => 'audio/x-aiff',
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'aiff' => 'audio/x-aiff',
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'avi' => 'video/x-msvideo',
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'bin' => 'application/macbinary',
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'bmp' => 'image/bmp',
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'cpt' => 'application/mac-compactpro',
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'css' => 'text/css',
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'csv' => 'text/x-comma-separated-values',
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'dcr' => 'application/x-director',
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'dir' => 'application/x-director',
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'doc' => 'application/msword',
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'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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'dvi' => 'application/x-dvi',
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'dxr' => 'application/x-director',
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'eml' => 'message/rfc822',
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'eps' => 'application/postscript',
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'flv' => 'video/x-flv',
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'gif' => 'image/gif',
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'gtar' => 'application/x-gtar',
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'gz' => 'application/x-gzip',
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'hqx' => 'application/mac-binhex40',
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'htm' => 'text/html',
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'html' => 'text/html',
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'jpe' => 'image/jpeg',
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'jpeg' => 'image/jpeg',
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'jpg' => 'image/jpeg',
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'js' => 'application/x-javascript',
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'log' => 'text/plain',
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'mid' => 'audio/midi',
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'midi' => 'audio/midi',
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'mif' => 'application/vnd.mif',
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'mov' => 'video/quicktime',
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'movie' => 'video/x-sgi-movie',
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'mp2' => 'audio/mpeg',
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'mp3' => 'audio/mpeg',
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'mp4' => 'video/mpeg',
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'mpe' => 'video/mpeg',
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'mpeg' => 'video/mpeg',
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'mpg' => 'video/mpeg',
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'mpga' => 'audio/mpeg',
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'oda' => 'application/oda',
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'pdf' => 'application/pdf',
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'php' => 'application/x-httpd-php',
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'php3' => 'application/x-httpd-php',
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'php4' => 'application/x-httpd-php',
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'phps' => 'application/x-httpd-php-source',
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'phtml' => 'application/x-httpd-php',
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'png' => 'image/png',
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'ppt' => 'application/powerpoint',
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'ps' => 'application/postscript',
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'psd' => 'application/x-photoshop',
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'qt' => 'video/quicktime',
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'ra' => 'audio/x-realaudio',
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'ram' => 'audio/x-pn-realaudio',
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'rm' => 'audio/x-pn-realaudio',
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'rpm' => 'audio/x-pn-realaudio-plugin',
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'rtf' => 'text/rtf',
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'rtx' => 'text/richtext',
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'rv' => 'video/vnd.rn-realvideo',
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'shtml' => 'text/html',
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'sit' => 'application/x-stuffit',
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'smi' => 'application/smil',
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'smil' => 'application/smil',
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'swf' => 'application/x-shockwave-flash',
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'tar' => 'application/x-tar',
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'tgz' => 'application/x-tar',
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'text' => 'text/plain',
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'tif' => 'image/tiff',
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'tiff' => 'image/tiff',
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'txt' => 'text/plain',
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'wav' => 'audio/x-wav',
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'wbxml' => 'application/wbxml',
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'wmlc' => 'application/wmlc',
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'word' => 'application/msword',
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'xht' => 'application/xhtml+xml',
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'xhtml' => 'application/xhtml+xml',
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'xl' => 'application/excel',
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'xls' => 'application/excel',
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'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
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'xml' => 'text/xml',
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'xsl' => 'text/xml',
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'zip' => 'application/x-zip'
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);
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/** Checks if the given file is really writable. The standard PHP function
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* is_writable() does not work properly on Windows servers.
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* @param string $filename
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* @return bool */
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static function isWritable($filename) {
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$filename = path::normalize($filename);
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if (!is_file($filename) || (false === ($fp = @fopen($filename, 'a+'))))
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return false;
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fclose($fp);
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return true;
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}
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/** Get the extension from filename
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* @param string $filename
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* @param bool $toLower
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* @return string */
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static function getExtension($filename, $toLower=true) {
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return preg_match('/^.*\.([^\.]*)$/s', $filename, $patt)
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? ($toLower ? strtolower($patt[1]) : $patt[1]) : "";
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}
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/** Get MIME type of the given filename. If Fileinfo PHP extension is
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* available the MIME type will be fetched by the file's content. The
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* second parameter is optional and defines the magic file path. If you
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* skip it, the default one will be loaded.
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* If Fileinfo PHP extension is not available the MIME type will be fetched
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* by filename extension regarding $MIME property. If the file extension
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* does not exist there, returned type will be application/octet-stream
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* @param string $filename
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* @param string $magic
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* @return string */
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static function getMimeType($filename, $magic=null) {
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if (class_exists("finfo")) {
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$finfo = new \finfo(FILEINFO_MIME, $magic);
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if ($finfo) {
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$mime = $finfo->file($filename);
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$mime = substr($mime, 0, strrpos($mime, ";"));
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return $mime;
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}
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}
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$ext = self::getExtension($filename, true);
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return isset(self::$MIME[$ext]) ? self::$MIME[$ext] : "application/octet-stream";
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}
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/** Get inexistant filename based on the given filename. If you skip $dir
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* parameter the directory will be fetched from $filename and returned
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* value will be full filename path. The third parameter is optional and
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* defines the template, the filename will be renamed to. Default template
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* is {name}({sufix}){ext}. Examples:
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*
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* file::getInexistantFilename("/my/directory/myfile.txt");
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* If myfile.txt does not exist - returns the same path to the file
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* otherwise returns "/my/directory/myfile(1).txt"
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*
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* file::getInexistantFilename("myfile.txt", "/my/directory");
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* returns "myfile.txt" or "myfile(1).txt" or "myfile(2).txt" etc...
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*
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* file::getInexistantFilename("myfile.txt", "/dir", "{name}[{sufix}]{ext}");
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* returns "myfile.txt" or "myfile[1].txt" or "myfile[2].txt" etc...
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*
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* @param string $filename
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* @param string $dir
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* @param string $tpl
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* @return string */
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static function getInexistantFilename($filename, $dir=null, $tpl=null) {
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if ($tpl === null) $tpl = "{name}({sufix}){ext}";
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$fullPath = ($dir === null);
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if ($fullPath)
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$dir = path::normalize(dirname($filename));
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else {
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$fdir = dirname($filename);
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$dir = strlen($fdir)
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? path::normalize("$dir/$fdir")
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: path::normalize($dir);
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}
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$filename = basename($filename);
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$ext = self::getExtension($filename, false);
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$name = strlen($ext) ? substr($filename, 0, -strlen($ext) - 1) : $filename;
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$tpl = str_replace('{name}', $name, $tpl);
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$tpl = str_replace('{ext}', (strlen($ext) ? ".$ext" : ""), $tpl);
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$i = 1; $file = "$dir/$filename";
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while (file_exists($file))
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$file = "$dir/" . str_replace('{sufix}', $i++, $tpl);
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return $fullPath
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? $file
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: (strlen($fdir)
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? "$fdir/" . basename($file)
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: basename($file));
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}
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/** Normalize given filename. Accented characters becomes non-accented and
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* removes any other special characters. Usable for non-unicode filesystems
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* @param $filename
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* @return string */
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static function normalizeFilename($filename) {
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$string = htmlentities($filename, ENT_QUOTES, 'UTF-8');
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if (strpos($string, '&') !== false)
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$filename = html_entity_decode(preg_replace('~&([a-z]{1,2})(?:acute|cedil|circ|grave|lig|orn|ring|slash|tilde|uml);~i', '$1', $string), ENT_QUOTES, 'UTF-8');
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$filename = trim(preg_replace('~[^0-9a-z\.\- ]~i', "_", $filename));
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return $filename;
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}
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}
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?>
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