The inclusion of a PHP interpreter in 4D v12 offers access to many new and different functionalities and existing code libraries. One of the libraries built in with the default 4D PHP interpreter is GD, an image manipulation library. GD allows developers to create new images and change existing ones in many ways. This Technical Note will cover a few of those features of GD, arrange all the GD commands into a thematic structure, and include a sample database showing how to use some of the features of GD.

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