Fixes

• Handle filter exceptions of faulty streams in Page::getContentStream() (fixes #252).

Tweaks

• Optimized handling of recursion in xref-table parsing.

Fixes

• Fixed handling of /Prev value in view to recursion when parsing cross-references.
• Fixed handling of recursion in faulty page tree.

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 #217

Tweaks

• Remove implicitly nullable parameter declarations by @MarkusBauer in #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.