'get count page numbers of pdf in FPDI in laravel

i have a file pdf, how i can get number of pages my file pdf in FPDI in laravel

i tried TCPDF

but i can't set source file

getNumPages()

tcpdf.php : 3144 Get the total number of insered pages.

public getNumPages() : int Tags public since 2.1.000 (2008-01-07)

see setPage(), getPage(), lastpage()

Return values int — number of pages

php laravel

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