Does PHP has access to the parallel ? I’m trying to write data to the LPT1 port using PHP, but not having luck finding anything.
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Does PHP has access to the parallel ? I’m trying to write data to the LPT1 port using PHP, but not having luck finding anything.
Writing to the parallel port is as simple as:
Your real problem however sounds to be:
Since PHP usually runs under Apache, the permissions for this device file are insufficient. On Debian systems you would add the
www-datauser to thelpgroup to make it work.