(PECL printer SVN)
printer_write — Write data to the printer
Writes content directly to the printer.
printer_handle must be a valid printer handle.
The data to be written.
成功时返回 TRUE， 或者在失败时返回 FALSE.
Example #1 printer_write() example
<?php
$handle = printer_open();
printer_write($handle, "Text to print");
printer_close($handle);
?>