For Photo Gallery and Geo Traffic components, you will need to have GD graphics library compiled in your PHP configuration, either Version 1.6.2, 2.0 or above.
GD graphics library is used to create and manipulate (write) image files using PHP code, such as auto thumbnail creation, image resize, add copyright text and graph generation.
The Photo Gallery module is able to manipulate image format depending on the version of GD you have installed :
- JPG format images - Read & Write support is available with PHP 4.3.0 and the bundled GD library.
- GIF format images - Read-only GIF is supported with PHP 4.3.0 and the bundled GD library.
Write support is available since PHP 4.3.9 and PHP 5.0.1, or with GD 2.0.28.
To check if your GD graphics library is enabled, use the phpinfo() function. Or if you already have the One Admin files uploaded to your web server, you can access the URL with your browser.
Below are the screen shots to show that you have the required GD graphics library running.


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