I apologize for the confusion. The Zxing library for PHP is primarily designed for server-side scanning of QR codes using PHP. It is not specifically built for scanning QR codes directly from a mobile phone.
If you want to implement QR code scanning on a mobile phone using PHP, you would need to combine PHP with other technologies such as JavaScript and HTML5.
One approach you can take is to use a JavaScript QR code scanning library that works on mobile devices, and then send the scanned QR code data to a PHP script on the server for further processing.
Here's a high-level overview of how you can achieve this:
1. Use a JavaScript QR code scanning library that is compatible with mobile devices, such as the
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2. Include the necessary JavaScript files in your HTML page, and set up the video element and scanning functionality using the library's documentation and examples.
3. When a QR code is successfully scanned using the mobile phone's camera, retrieve the scanned data in JavaScript.
4. Send the scanned data to a PHP script on the server using an AJAX request. You can use the XMLHttpRequest or jQuery's AJAX functions for this.
5. In the PHP script, process the scanned QR code data as needed, such as storing it in a database, performing specific actions, or returning a response to the client.
By combining JavaScript QR code scanning libraries with PHP on the server-side, you can create a system that allows QR code scanning using a mobile phone. Remember to consider security and user experience aspects when implementing such functionality.
Please note that the specific implementation details may vary depending on the QR code scanning library you choose to use. Make sure to consult the documentation and examples provided by the library for detailed instructions on integrating it with your PHP system.