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Informations about the package php-qpdf-ffi

php-qpdf-ffi

A really simple PHP integration for qpdf leveraging its JSON job file functionality with PHP-FFI to C.

The name really says it all.

Requirements

The PHP-FFI extension is supported since PHP version 7.4, so that's why it is the minimum PHP version this library supports and will support indefinitely.

Installation

The path to the C library should be specified by means of the LIB_QPDF_PATH constant. If not defined, a default value of qpdf.so.11.9 will be used.

Where to get the qpdf binaries

Since qpdf is a separate C library, the binaries are not included here (yet). The Apache 2 license allows redistribution.

https://github.com/qpdf/qpdf/blob/11.9/README-what-to-download.md

Advantages

Use the full set of features provided by qpdf JSON job files directly from within PHP, without the need to write any C glue code for a custom PHP extension.

No need for \exec() shenanigans. The PHP-FFI layer handles the direct interaction. This library only integrates one single function, therefor very little can break.

The JSON format can be dynamically generated based on the requirements of your application. As JSON is supported in a wide range of programming languages, the input does not necessarily have to come from PHP.

https://qpdf.readthedocs.io/en/latest/qpdf-job.html#qpdf-job

Usage

Job file format

The format is documented extensively on qpdf's docs:

https://qpdf.readthedocs.io/en/latest/cli.html

Tests

The test-suite is built based on resources from py-pdf/sample-files. The QpdfJobTest.php is implemented in a way that makes adding addition qpdf JSON job files very ease. As of now, there is only one example.json file, taken from the qpdf docs.

All example jobs should use the same output file, that way the cleanup before each test stays simple (unlink()).

License

It's MIT.

All versions of php-qpdf-ffi with dependencies

PHP Build Version
Package Version
Requires php Version >=7.4
ext-ffi Version *
ext-json Version *
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