apilayer / pdfinfo

Simple PHP wrapper to the pdfinfo unix tool.

Simple PHP wrapper to the pdfinfo unix tool.

Inspired by http://stackoverflow.com/questions/14644353/get-the-number-of-pages-in-a-pdf-document/14644354

What is pdfinfo

pdfinfo is an unix tool helping extract information from pdf files.

http://linuxcommand.org/man_pages/pdfinfo1.html

You can get metadata, page count and rotation for every page, etc.

Installation

1. Install pdfinfo

First you need to have pdfinfo in your system.

For ubuntu, there's an easy way for doing this:

sudo apt-get install poppler-utils

2. Install the library

You can just download the file to your project, or install it via composer:

composer require apilayer/pdfinfo

Usage

Just pass the path to the pdf file to the constructor, and you can get metadata from its properties immediately:

$pdf = new PDFInfo('path/to/the/pdf');
echo $pdf->title; // Get the title
echo $pdf->pages; // Get the number of pages

Exceptions

This library throws 4 kind of exceptions to represent the official exit codes.

• OpenPDFException
• OpenOutputException
• PDFPermissionException
• OtherException

Check the official documentation for more information.

Reference

Currently this library supports the following metadata:

• title
• author
• creator
• producer
• creationDate
• modDate
• tagged
• form
• pages
• encrypted
• pageSize
• pageSizes
• fileSize
• optimized
• PDFVersion
• pageRot
• pageRots

Environment variables configuration:

• PDFINFO_BIN - location of PDFInfo executable
• PDFINFO_PAGE_LIMIT - last page to process, defaults to 999