/**
* @return bool
*/
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 || !Helper::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'] : ''));
$new_id3v1_tag_data = Tag\Id3v1::GenerateID3v1Tag(isset($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;
}
