Basically, image generation is done in three steps:
- allocating an image
- drawing into the allocated space
- releasing the allocated data in picture format to the browser
As usual, obtaining client Ip Address simply by calling this php predefined variable, this time we will also trying to support for IPv6. One drawback, i still don’t know how to resize canvas to be fit with text if overflown, dynamically. Ie: the long IPv6 address.
<?php echo $_SERVER["REMOTE_ADDR"]; ?>