How can PHP be used to print server-side content to a printer connected to a Linux server?

To print server-side content to a printer connected to a Linux server using PHP, you can use the `lp` command to send a file to the printer. You can create a temporary file with the content you want to print, then use the `exec()` function in PHP to run the `lp` command with the file as an argument. 

$content = "This is the content to be printed.";
$filename = tempnam(sys_get_temp_dir(), 'print_');
file_put_contents($filename, $content);
exec("lp $filename");

Keywords

PHP server-side printing Linux server content.

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