imagegd

Output GD image to browser or file (PHP 4 >= 4.0.7, PHP 5)
bool imagegd ( resource image [, string filename] )

Outputs a GD image to the given filename.

image: An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
filename: The path to save the file to. If not set or NULL, the raw image stream will be outputted directly.

Returns TRUE on success or FALSE on failure.

Note:

The GD format is commonly used to allow fast loading of parts of images. Note that the GD format is only usable in GD-compatible applications.

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