| public stream_seek ( integer $offset, integer $whence = SEEK_SET ) : boolean | ||
| $offset | integer | The stream offset to seek to. |
| $whence | integer | Possible values: - SEEK_SET - Set position equal to offset bytes. - SEEK_CUR - Set position to current location plus offset. - SEEK_END - Set position to end-of-file plus offset. |
| Результат | boolean | Return true if the position was updated, false otherwise. |
public function stream_seek($offset, $whence = SEEK_SET)
{
switch ($whence) {
case SEEK_SET:
if ($offset < $this->download->getSize() && $offset >= 0) {
$this->pointerOffset = $offset;
return true;
}
return false;
case SEEK_CUR:
if ($offset >= 0) {
$this->pointerOffset += $offset;
return true;
}
return false;
case SEEK_END:
if ($this->download->getSize() + $offset >= 0) {
$this->pointerOffset = $this->download->getSize() + $offset;
return true;
}
return false;
default:
return false;
}
}