If you generate images dynamically (using GD library) you can’t simply output them to the browser like any other content. Instead you have to: Store dynamically generated image somewhere on your server. Output via img tag to the browser. Remove the image after it was fetched to the browser. Here is the script that makes all these steps. The images are stored in MySQL database. The image is removed automatically after it is fetched to the browser. If the image was not requested by the browser (a user lost connection, etc) it is still removed after a certain time. Englisch – Kostenlos