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Diffstat (limited to 'kohana/helpers/file.php')
| -rw-r--r-- | kohana/helpers/file.php | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/kohana/helpers/file.php b/kohana/helpers/file.php deleted file mode 100644 index 65268e08..00000000 --- a/kohana/helpers/file.php +++ /dev/null @@ -1,177 +0,0 @@ -<?php defined('SYSPATH') or die('No direct script access.'); -/** - * File helper class. - * - * $Id$ - * - * @package Core - * @author Kohana Team - * @copyright (c) 2007-2008 Kohana Team - * @license http://kohanaphp.com/license.html - */ -class file_Core { - - /** - * Attempt to get the mime type from a file. This method is horribly - * unreliable, due to PHP being horribly unreliable when it comes to - * determining the mime-type of a file. - * - * @param string filename - * @return string mime-type, if found - * @return boolean FALSE, if not found - */ - public static function mime($filename) - { - // Make sure the file is readable - if ( ! (is_file($filename) AND is_readable($filename))) - return FALSE; - - // Get the extension from the filename - $extension = strtolower(substr(strrchr($filename, '.'), 1)); - - if (preg_match('/^(?:jpe?g|png|[gt]if|bmp|swf)$/', $extension)) - { - // Disable error reporting - $ER = error_reporting(0); - - // Use getimagesize() to find the mime type on images - $mime = getimagesize($filename); - - // Turn error reporting back on - error_reporting($ER); - - // Return the mime type - if (isset($mime['mime'])) - return $mime['mime']; - } - - if (function_exists('finfo_open')) - { - // Use the fileinfo extension - $finfo = finfo_open(FILEINFO_MIME); - $mime = finfo_file($finfo, $filename); - finfo_close($finfo); - - // Return the mime type - return $mime; - } - - if (ini_get('mime_magic.magicfile') AND function_exists('mime_content_type')) - { - // Return the mime type using mime_content_type - return mime_content_type($filename); - } - - if ( ! empty($extension) AND is_array($mime = Kohana::config('mimes.'.$extension))) - { - // Return the mime-type guess, based on the extension - return $mime[0]; - } - - // Unable to find the mime-type - return FALSE; - } - - /** - * Split a file into pieces matching a specific size. - * - * @param string file to be split - * @param string directory to output to, defaults to the same directory as the file - * @param integer size, in MB, for each chunk to be - * @return integer The number of pieces that were created. - */ - public static function split($filename, $output_dir = FALSE, $piece_size = 10) - { - // Find output dir - $output_dir = ($output_dir == FALSE) ? pathinfo(str_replace('\\', '/', realpath($filename)), PATHINFO_DIRNAME) : str_replace('\\', '/', realpath($output_dir)); - $output_dir = rtrim($output_dir, '/').'/'; - - // Open files for writing - $input_file = fopen($filename, 'rb'); - - // Change the piece size to bytes - $piece_size = 1024 * 1024 * (int) $piece_size; // Size in bytes - - // Set up reading variables - $read = 0; // Number of bytes read - $piece = 1; // Current piece - $chunk = 1024 * 8; // Chunk size to read - - // Split the file - while ( ! feof($input_file)) - { - // Open a new piece - $piece_name = $filename.'.'.str_pad($piece, 3, '0', STR_PAD_LEFT); - $piece_open = @fopen($piece_name, 'wb+') or die('Could not write piece '.$piece_name); - - // Fill the current piece - while ($read < $piece_size AND $data = fread($input_file, $chunk)) - { - fwrite($piece_open, $data) or die('Could not write to open piece '.$piece_name); - $read += $chunk; - } - - // Close the current piece - fclose($piece_open); - - // Prepare to open a new piece - $read = 0; - $piece++; - - // Make sure that piece is valid - ($piece < 999) or die('Maximum of 999 pieces exceeded, try a larger piece size'); - } - - // Close input file - fclose($input_file); - - // Returns the number of pieces that were created - return ($piece - 1); - } - - /** - * Join a split file into a whole file. - * - * @param string split filename, without .000 extension - * @param string output filename, if different then an the filename - * @return integer The number of pieces that were joined. - */ - public static function join($filename, $output = FALSE) - { - if ($output == FALSE) - $output = $filename; - - // Set up reading variables - $piece = 1; // Current piece - $chunk = 1024 * 8; // Chunk size to read - - // Open output file - $output_file = @fopen($output, 'wb+') or die('Could not open output file '.$output); - - // Read each piece - while ($piece_open = @fopen(($piece_name = $filename.'.'.str_pad($piece, 3, '0', STR_PAD_LEFT)), 'rb')) - { - // Write the piece into the output file - while ( ! feof($piece_open)) - { - fwrite($output_file, fread($piece_open, $chunk)); - } - - // Close the current piece - fclose($piece_open); - - // Prepare for a new piece - $piece++; - - // Make sure piece is valid - ($piece < 999) or die('Maximum of 999 pieces exceeded'); - } - - // Close the output file - fclose($output_file); - - // Return the number of pieces joined - return ($piece - 1); - } - -} // End file
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