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Remove Password of PDF Using PHP assuming I know the Password


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Hi there!


I was wondering before if removing the 'user' password from a password-protected PDF is possble and I found PDFlib extension (not sure of the term) from pecl although I believe it isn't for free?  :( Since when I used the samples, there were watermarks in the PDF files it generated. I tried PDFlib + PDI and works awesome except that it isn't for free. I also found fpdf + fpdi + fpdi_protection_128_pro although fpdi_protection_128_pro is also not available for free. I also found this although I was asked to search for a solution that uses PHP. Anyways, was wondering if you guys know of such that is for free.


Thanks! :D

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