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I'm using this service to generate a PDF from HTML of a contest entry form but now I've enhanced the submission process to allow submitting up to 10 entries at one time. As generating the PDFs in a loop takes roughly 2min (while the user sees a spinning GIF but can't do anything and just has to wait) I'd like to explore the callback functionality but can't find good examples. I know my PHP handler must be publicly accessible but would much appreciate some sample code.

Chiesto da Ross Waddell il 17 gennaio 2021

Ciao,

There is some indepth documentation on callback handlers and a working example in the PHP demo.

Cordiali saluti

Risposta di GrabzIt Support il 17 gennaio 2021