Fixes

• Fixed generation of internal reader-id in FpdiTrait.
• Clear Tokenizer stack in CrossReference constructor.

Fixes

• Fixed font issue in FpdfTplTrait.
• Fixed PHP 8.5 compatibility in Ascii85 class.

Tweaks

• Use fully qualified function names.
• Replaced list() calls by array destructing via [].
• Added #[\SensitiveParameter]-attribute to $parserParams parameter in all methods handling that parameter.
• Dropped support for PHP 7.1 due to security issues in legacy dependencies.

Fixes

• Fixed handling of recursive structures to avoid memory exhaustion (CVE-2025-54869).

Tweaks

• Added check for false of return value of StreamReader::readBytes() in CrossReference\FixedReader to avoid PHP warning.

Fixes

• Added missing PdfType::resolve() calls in readPages() method (via #227).

Tweaks

• Dropped support for PHP 5.6 + 7.0 due to missing support in major dependencies.
• Reverted fix for implicitly nullable parameter declarations.

Fixes

• Fixed importing of links in none PDFDocEncoding.
• Fixed handling of faulty dictionaries.

Tweaks

• Fixed some small type inspection issues.

Fixes

• Fixed handling of imported pages in templates with another unit than "pt" by @JanSlabon in https://github.com/Setasign/FPDI/pull/217

Tweaks

• Remove implicitly nullable parameter declarations by @MarkusBauer in https://github.com/Setasign/FPDI/pull/215

Fixes

• Ignore undefined objects in link annotation logic (fixes #191).
• Flatten indirect references in imported annotation dictionaries (fixes #195).

Tweaks

• Ensure newline before endobj token (fixes #184).
• Optimized fallback logic in flate decode method.
• Added tests for PHP 8.3.

Features

• Added PdfType::flatten() method, which flattens indirect objects to direct objects.

Fixes

• Catch faulty stream wrapper implementations in StreamReader constructor.

Tweaks

• Optimized parameter naming in PdfIndirectObject::parse().
• Moved value parsing into explicit methods.
• Optimized doc-blocks.

Features

• Added PdfString::escape() method.
• Add support for handling of Crypt filter in PdfStream class.

Bugfix

• Fixed bug if FPDI is used in mPDF (fixes #177).

Features

• Add support for importing external links/link annotations with an URI action.

Tweaks

• Use window size of 31 in decompression fallback for FlateDecode filter.

Fixes

• Fixed rare bug in LZW decoding.

Tweaks

• Added @return doc-block to some methods (fixes #152).
• Added local test which imports layer definitions.
• Added local test to access Info dictionary of the source file.
• Verified compatibility with FPDF 1.85.
• Optimized support for ignoring faulty structures in page tree.

Fixes

• Fixed handling of faulty structures in Contents entry (fixes #130).

Fixes

• Added support for PHP 8.0.

Tweaks

• Updated PHPUnit tests.

Fixes

• Fixed fallback in Filter\Flate::decode().
• Fixed minor documentation errors in doc blocks.
• Supressed notice in flate filter for PHP 8.0.

Tweaks

• Micro optimization of LineReader::extract().
• Added visual tests to testsuite.
• Added PHP_CodeSniffer and PHPStan inspections.

Tweaks

• Handle streams with invisible content (white signs) and a length of 0.

Tweaks

• Throw explicit exception in case of invalid object type at xref offset.

Fixes

• Fixed reading of page tree with uncommon structures (#87).

Tweaks

• Optimized handling of uncommon FlateDecode streams.

Fixes

• Optimized decoding in Ascii85 filter class.
• Fixed PHP 7.4 compatibility issue when calling hexdec() with invalid characters.

Features

• Added support for tFPDF 1.31 which is based on FPDF 1.82.

Tweaks

• Updated copyright information.

Fixes

• Added cleanUp() method in FpdiTrait and StreamReader to close open file handles when they are not used anymore (#70).

Features

• Added support for handling FlateDecode streams that uses CRC32 checksum.
• Added support for indirect references in /Length values of stream dictionaries.
• Added support for reading streams with an invalid /Length value.

Tweaks

• Use fully-qualified function calls.
• Fixed wording in various DocBlocks.

Fixes

• Fixed handling of startxref == 0 with only a single cross-reference.

Fixes

• Save colors in FpdfTpl state. (#51)
• Ignore cross-reference pointers to byte offset 0. (#55 / #58)

Features

• Added support for tFPDF.
• Optimized PdfParser::readValue() to handle an expected object type and implemented this on various calls. (#22)

Tweaks

• Moved Fpdi\TcpdfFpdi to Fpdi\Tcpdf\Fpdi (the old class still exists but is marked as deprecated).
• Optimized DocBlocks and code style.

Fixes

• Prohibit calling of AddPage() or setPageFormat() if a template is active. (#45)
• Save "underline" property in FpdfTpl. (#44)

Features

• Added $groupXObject parameter to FpdfTpl::beginTemplate() method. (#25)

Fixes

• Added support for escaped version numbers in Version (name) entry in document catalog.
• Check parser instance in destruct method.

Tweaks

• Fixed interchanged parameters in doc-block (#40).
• Added .gitattributes to remove irrelevant files from release package.

Fixes

• Optimize closing of file handle in StreamReader class. (#30)

Tweaks

• All internal function calls are FQN calls now.
• Added @noinspection annotations.

Final release of FPDI 2:

• Namespaced code
• Clean and up-to-date code base and style
• PSR-4 compatible autoloading
• Performance improvements by up to 100%
• Less memory consumption
• Native support for reading PDFs from strings or stream-resources
• Support for documents with "invalid" data before their file-header
• Optimized page tree resolving
• Usage of individual exceptions
• Several test types (unit, functional and visual tests)

Bugfixes:

• Clean-up properties if a parser instance throws an exception at construction time.
• Ignore invalid object references/types in a pages content array.
• Throw an exception if a page object isn't an indirect object.
• Optimized pdf_context::getPos() method if stream position is beyond end of file.

Switch from Apache Software License, Version 2.0 to MIT License. Bugfix: Added integer cast in ASCII85 filter for PHP 7 compatibility reason.

No new features or bugfixes. This release includes only changes to the composer.json which allows us to create packages with fixed dependencies:

• https://github.com/Setasign/FPDI-FPDF
• https://github.com/Setasign/FPDI-TCPDF