Use fsockopen to send raw data (ZPL/EPL for labels or ESC/P for thermal) directly to a network printer on port 9100.
Official PECL support for this extension has largely ceased, so you must rely on archived snapshots or community repositories: php_printer.dll Download
Use JavaScript ( window.print() ) to let the browser handle the print dialog, which is more reliable for web users. Use fsockopen to send raw data (ZPL/EPL for
For PHP 7.x and 8.x, . If you are on a modern stack, consider these alternatives: php_printer.dll Download
Other developers have hosted DLLs for specific versions, such as the jiminald/PHP-Printer repository . 2. Compatibility Checklist
Use the exec() or system() functions to trigger native Windows print commands like print /d:\\server\printer filename .