public function openfile($filename, $filesize = null) { try { if (!empty($this->startup_error)) { throw new getid3_exception($this->startup_error); } if (!empty($this->startup_warning)) { $this->warning($this->startup_warning); } // init result array and set parameters $this->filename = $filename; $this->info = array(); $this->info['GETID3_VERSION'] = $this->version(); $this->info['php_memory_limit'] = $this->memory_limit > 0 ? $this->memory_limit : false; // remote files not supported if (preg_match('/^(ht|f)tp:\\/\\//', $filename)) { throw new getid3_exception('Remote files are not supported - please copy the file locally first'); } $filename = str_replace('/', DIRECTORY_SEPARATOR, $filename); $filename = preg_replace('#(.+)' . preg_quote(DIRECTORY_SEPARATOR) . '{2,}#U', '\\1' . DIRECTORY_SEPARATOR, $filename); // open local file //if (is_readable($filename) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { // see http://www.getid3.org/phpBB3/viewtopic.php?t=1720 if ((is_readable($filename) || file_exists($filename)) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { // great } else { $errormessagelist = array(); if (!is_readable($filename)) { $errormessagelist[] = '!is_readable'; } if (!is_file($filename)) { $errormessagelist[] = '!is_file'; } if (!file_exists($filename)) { $errormessagelist[] = '!file_exists'; } if (empty($errormessagelist)) { $errormessagelist[] = 'fopen failed'; } throw new getid3_exception('Could not open "' . $filename . '" (' . implode('; ', $errormessagelist) . ')'); } $this->info['filesize'] = !is_null($filesize) ? $filesize : filesize($filename); // set redundant parameters - might be needed in some include file // filenames / filepaths in getID3 are always expressed with forward slashes (unix-style) for both Windows and other to try and minimize confusion $filename = str_replace('\\', '/', $filename); $this->info['filepath'] = str_replace('\\', '/', realpath(dirname($filename))); $this->info['filename'] = getid3_lib::mb_basename($filename); $this->info['filenamepath'] = $this->info['filepath'] . '/' . $this->info['filename']; // option_max_2gb_check if ($this->option_max_2gb_check) { // PHP (32-bit all, and 64-bit Windows) doesn't support integers larger than 2^31 (~2GB) // filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize // ftell() returns 0 if seeking to the end is beyond the range of unsigned integer $fseek = fseek($this->fp, 0, SEEK_END); if ($fseek < 0 || $this->info['filesize'] != 0 && ftell($this->fp) == 0 || $this->info['filesize'] < 0 || ftell($this->fp) < 0) { $real_filesize = getid3_lib::getFileSizeSyscall($this->info['filenamepath']); if ($real_filesize === false) { unset($this->info['filesize']); fclose($this->fp); throw new getid3_exception('Unable to determine actual filesize. File is most likely larger than ' . round(PHP_INT_MAX / 1073741824) . 'GB and is not supported by PHP.'); } elseif (getid3_lib::intValueSupported($real_filesize)) { unset($this->info['filesize']); fclose($this->fp); throw new getid3_exception('PHP seems to think the file is larger than ' . round(PHP_INT_MAX / 1073741824) . 'GB, but filesystem reports it as ' . number_format($real_filesize, 3) . 'GB, please report to info@getid3.org'); } $this->info['filesize'] = $real_filesize; $this->warning('File is larger than ' . round(PHP_INT_MAX / 1073741824) . 'GB (filesystem reports it as ' . number_format($real_filesize, 3) . 'GB) and is not properly supported by PHP.'); } } // set more parameters $this->info['avdataoffset'] = 0; $this->info['avdataend'] = $this->info['filesize']; $this->info['fileformat'] = ''; // filled in later $this->info['audio']['dataformat'] = ''; // filled in later, unset if not used $this->info['video']['dataformat'] = ''; // filled in later, unset if not used $this->info['tags'] = array(); // filled in later, unset if not used $this->info['error'] = array(); // filled in later, unset if not used $this->info['warning'] = array(); // filled in later, unset if not used $this->info['comments'] = array(); // filled in later, unset if not used $this->info['encoding'] = $this->encoding; // required by id3v2 and iso modules - can be unset at the end if desired return true; } catch (Exception $e) { $this->error($e->getMessage()); } return false; }