--- /dev/null
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org> //
+// available at http://getid3.sourceforge.net //
+// or http://www.getid3.org //
+// also https://github.com/JamesHeinrich/getID3 //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details //
+/////////////////////////////////////////////////////////////////
+// //
+// write.id3v1.php //
+// module for writing ID3v1 tags //
+// dependencies: module.tag.id3v1.php //
+// ///
+/////////////////////////////////////////////////////////////////
+
+getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v1.php', __FILE__, true);
+
+class getid3_write_id3v1
+{
+ public $filename;
+ public $filesize;
+ public $tag_data;
+ public $warnings = array(); // any non-critical errors will be stored here
+ public $errors = array(); // any critical errors will be stored here
+
+ public function __construct() {
+ return true;
+ }
+
+ public function WriteID3v1() {
+ // File MUST be writeable - CHMOD(646) at least
+ if (!empty($this->filename) && is_readable($this->filename) && is_writable($this->filename) && is_file($this->filename)) {
+ $this->setRealFileSize();
+ if (($this->filesize <= 0) || !getid3_lib::intValueSupported($this->filesize)) {
+ $this->errors[] = 'Unable to WriteID3v1('.$this->filename.') because filesize ('.$this->filesize.') is larger than '.round(PHP_INT_MAX / 1073741824).'GB';
+ return false;
+ }
+ if ($fp_source = fopen($this->filename, 'r+b')) {
+ fseek($fp_source, -128, SEEK_END);
+ if (fread($fp_source, 3) == 'TAG') {
+ fseek($fp_source, -128, SEEK_END); // overwrite existing ID3v1 tag
+ } else {
+ fseek($fp_source, 0, SEEK_END); // append new ID3v1 tag
+ }
+ $this->tag_data['track'] = (isset($this->tag_data['track']) ? $this->tag_data['track'] : (isset($this->tag_data['track_number']) ? $this->tag_data['track_number'] : (isset($this->tag_data['tracknumber']) ? $this->tag_data['tracknumber'] : '')));
+
+ $new_id3v1_tag_data = getid3_id3v1::GenerateID3v1Tag(
+ (isset($this->tag_data['title'] ) ? $this->tag_data['title'] : ''),
+ (isset($this->tag_data['artist'] ) ? $this->tag_data['artist'] : ''),
+ (isset($this->tag_data['album'] ) ? $this->tag_data['album'] : ''),
+ (isset($this->tag_data['year'] ) ? $this->tag_data['year'] : ''),
+ (isset($this->tag_data['genreid']) ? $this->tag_data['genreid'] : ''),
+ (isset($this->tag_data['comment']) ? $this->tag_data['comment'] : ''),
+ (isset($this->tag_data['track'] ) ? $this->tag_data['track'] : ''));
+ fwrite($fp_source, $new_id3v1_tag_data, 128);
+ fclose($fp_source);
+ return true;
+
+ } else {
+ $this->errors[] = 'Could not fopen('.$this->filename.', "r+b")';
+ return false;
+ }
+ }
+ $this->errors[] = 'File is not writeable: '.$this->filename;
+ return false;
+ }
+
+ public function FixID3v1Padding() {
+ // ID3v1 data is supposed to be padded with NULL characters, but some taggers incorrectly use spaces
+ // This function rewrites the ID3v1 tag with correct padding
+
+ // Initialize getID3 engine
+ $getID3 = new getID3;
+ $getID3->option_tag_id3v2 = false;
+ $getID3->option_tag_apetag = false;
+ $getID3->option_tags_html = false;
+ $getID3->option_extra_info = false;
+ $getID3->option_tag_id3v1 = true;
+ $ThisFileInfo = $getID3->analyze($this->filename);
+ if (isset($ThisFileInfo['tags']['id3v1'])) {
+ foreach ($ThisFileInfo['tags']['id3v1'] as $key => $value) {
+ $id3v1data[$key] = implode(',', $value);
+ }
+ $this->tag_data = $id3v1data;
+ return $this->WriteID3v1();
+ }
+ return false;
+ }
+
+ public function RemoveID3v1() {
+ // File MUST be writeable - CHMOD(646) at least
+ if (!empty($this->filename) && is_readable($this->filename) && is_writable($this->filename) && is_file($this->filename)) {
+ $this->setRealFileSize();
+ if (($this->filesize <= 0) || !getid3_lib::intValueSupported($this->filesize)) {
+ $this->errors[] = 'Unable to RemoveID3v1('.$this->filename.') because filesize ('.$this->filesize.') is larger than '.round(PHP_INT_MAX / 1073741824).'GB';
+ return false;
+ }
+ if ($fp_source = fopen($this->filename, 'r+b')) {
+
+ fseek($fp_source, -128, SEEK_END);
+ if (fread($fp_source, 3) == 'TAG') {
+ ftruncate($fp_source, $this->filesize - 128);
+ } else {
+ // no ID3v1 tag to begin with - do nothing
+ }
+ fclose($fp_source);
+ return true;
+
+ } else {
+ $this->errors[] = 'Could not fopen('.$this->filename.', "r+b")';
+ }
+ } else {
+ $this->errors[] = $this->filename.' is not writeable';
+ }
+ return false;
+ }
+
+ public function setRealFileSize() {
+ if (PHP_INT_MAX > 2147483647) {
+ $this->filesize = filesize($this->filename);
+ return true;
+ }
+ // 32-bit PHP will not return correct values for filesize() if file is >=2GB
+ // but getID3->analyze() has workarounds to get actual filesize
+ $getID3 = new getID3;
+ $getID3->option_tag_id3v1 = false;
+ $getID3->option_tag_id3v2 = false;
+ $getID3->option_tag_apetag = false;
+ $getID3->option_tags_html = false;
+ $getID3->option_extra_info = false;
+ $ThisFileInfo = $getID3->analyze($this->filename);
+ $this->filesize = $ThisFileInfo['filesize'];
+ return true;
+ }
+
+}