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# fdf_save

fdf_save -- Save a FDF document

## Description

`int fdf_save`(string filename);

The fdf_save() function saves a FDF document. The FDF Toolkit provides a way to output the document to stdout if the parameter `filename` is '.'. This does not work if PHP is used as an apache module. In such a case one will have to write to a file and use e.g. fpassthru(). to output it.

See also fdf_close() and example for fdf_create().

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