Alter the mPDF PHP code to merge all PDF's into one document (rather than individual)

Hello there. I can modify the code and make it output all records combined into one document, lets start.

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i can do this now. i have been doing this in recent time, after i encountered a similar problem. so this problem is small

Hi I am a php / wordpress developer with 5 years of experience I do the tasks very smoothly and efficiently. only your support needed when required. I will give you best technical support. thanks