File indexing completed on 2024-05-12 05:58:16

0001 <?php
0002 /////////////////////////////////////////////////////////////////
0003 /// getID3() by James Heinrich <info@getid3.org>               //
0004 //  available at http://getid3.sourceforge.net                 //
0005 //            or http://www.getid3.org                         //
0006 //          also https://github.com/JamesHeinrich/getID3       //
0007 /////////////////////////////////////////////////////////////////
0008 // See readme.txt for more details                             //
0009 /////////////////////////////////////////////////////////////////
0010 //                                                             //
0011 // write.lyrics3.php                                           //
0012 // module for writing Lyrics3 tags                             //
0013 // dependencies: module.tag.lyrics3.php                        //
0014 //                                                            ///
0015 /////////////////////////////////////////////////////////////////
0016 
0017 
0018 class getid3_write_lyrics3
0019 {
0020   public $filename;
0021   public $tag_data;
0022   //public $lyrics3_version = 2;       // 1 or 2
0023   public $warnings        = array(); // any non-critical errors will be stored here
0024   public $errors          = array(); // any critical errors will be stored here
0025 
0026   public function getid3_write_lyrics3() {
0027     return true;
0028   }
0029 
0030   public function WriteLyrics3() {
0031     $this->errors[] = 'WriteLyrics3() not yet functional - cannot write Lyrics3';
0032     return false;
0033   }
0034   public function DeleteLyrics3() {
0035     // Initialize getID3 engine
0036     $getID3 = new getID3;
0037     $ThisFileInfo = $getID3->analyze($this->filename);
0038     if (isset($ThisFileInfo['lyrics3']['tag_offset_start']) && isset($ThisFileInfo['lyrics3']['tag_offset_end'])) {
0039       if (is_readable($this->filename) && is_writable($this->filename) && is_file($this->filename) && ($fp = fopen($this->filename, 'a+b'))) {
0040 
0041         flock($fp, LOCK_EX);
0042         $oldignoreuserabort = ignore_user_abort(true);
0043 
0044         fseek($fp, $ThisFileInfo['lyrics3']['tag_offset_end']);
0045         $DataAfterLyrics3 = '';
0046         if ($ThisFileInfo['filesize'] > $ThisFileInfo['lyrics3']['tag_offset_end']) {
0047           $DataAfterLyrics3 = fread($fp, $ThisFileInfo['filesize'] - $ThisFileInfo['lyrics3']['tag_offset_end']);
0048         }
0049 
0050         ftruncate($fp, $ThisFileInfo['lyrics3']['tag_offset_start']);
0051 
0052         if (!empty($DataAfterLyrics3)) {
0053           fseek($fp, $ThisFileInfo['lyrics3']['tag_offset_start']);
0054           fwrite($fp, $DataAfterLyrics3, strlen($DataAfterLyrics3));
0055         }
0056 
0057         flock($fp, LOCK_UN);
0058         fclose($fp);
0059         ignore_user_abort($oldignoreuserabort);
0060 
0061         return true;
0062 
0063       } else {
0064         $this->errors[] = 'Cannot fopen('.$this->filename.', "a+b")';
0065         return false;
0066       }
0067     }
0068     // no Lyrics3 present
0069     return true;
0070   }
0071 
0072 }