php - How does pdfcrowd.com generates pdf -


i want develop script generates pdf. tried dompdf, tcpdf etc seems not much. have found 1 online service generates pdf online, pdfcrowd.com, , pdf looks perfect. know how , how same effect php?

presumbly if known , easy do, others have competing services. there few options i've found; common use phantomjs generate pdfs, though may not scale well. there commercial product called princexml seems work well, though it's free non-commercial use, , adds small logo first page.

there no options directly in php.


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