10.0.0: Clean up things, rework the API

List view

Drop the switch for the lenient mode

Status: Open.

#462 In MyIntervals/PHP-CSS-Parser;

· oliverklee opened on Feb 12, 2024

Drop the configuration methods for enabling multibyte parsing

Status: Open.

#464 In MyIntervals/PHP-CSS-Parser;

· oliverklee opened on Feb 12, 2024

Rework our class structure and naming to match the official specs

hacktoberfest

refactorFor PRs that refactor code without changing functionalityFor PRs that refactor code without changing functionality

Status: Open.

#613 In MyIntervals/PHP-CSS-Parser;

· oliverklee opened on Jun 22, 2024

::parse should return null for parsing issues, not false

hacktoberfest

Status: Open.

#843 In MyIntervals/PHP-CSS-Parser;

· oliverklee opened on Jan 28, 2025

Dependency loop OutputFormat/OutputFormatter

Status: Open.

#895 In MyIntervals/PHP-CSS-Parser;

· oliverklee opened on Feb 10, 2025

Selector specificity cannot be reliably represented as a number

bug

Status: Open.

Bug

#1042 In MyIntervals/PHP-CSS-Parser;

· JakeQZ opened on Mar 1, 2025

Refactor the array combination functions in CSSBlockList using array_push

cleanup

Status: Open.

#1009 In MyIntervals/PHP-CSS-Parser;

· oliverklee opened on Feb 26, 2025

DeclarationBlock::parse() should not consume more content upon error

cleanup

refactorFor PRs that refactor code without changing functionalityFor PRs that refactor code without changing functionality

Status: Open.

#1430 In MyIntervals/PHP-CSS-Parser;

· JakeQZ opened on Dec 15, 2025

Charset should not implement AtRule

Status: Open.

#1469 In MyIntervals/PHP-CSS-Parser;

· oliverklee opened on Jan 18, 2026

Drop the deprecated Selector::setSelector() and ::getSelector()

Status: Open.

Task

#1501 In MyIntervals/PHP-CSS-Parser;

· oliverklee opened on Feb 7, 2026

Parse selectors into component classes

enhancement

Status: Open.

Feature

#1325 In MyIntervals/PHP-CSS-Parser;

· JakeQZ opened on Jul 10, 2025

Drop the deprecared Property\Declaration::get/setPropertyName()

Status: Open.

#1507 In MyIntervals/PHP-CSS-Parser;

· oliverklee opened on Feb 12, 2026

Drop the deprecated Rule\Rule class alias

Status: Open.

Task

#1509 In MyIntervals/PHP-CSS-Parser;

· oliverklee opened on Feb 12, 2026

Drop the deprecated RuleContainer class

Status: Open.

Task

#1531 In MyIntervals/PHP-CSS-Parser;

· oliverklee opened on Feb 17, 2026

Drop support for PHP < 7.4

Status: Open.

Task

#1603 In MyIntervals/PHP-CSS-Parser;

· oliverklee opened on Jul 9, 2026

Improve robustness and performance of regular expressions

bug

enhancement

optimization

Status: Open.

Task

#1614 In MyIntervals/PHP-CSS-Parser;

· JakeQZ opened on Aug 14, 2026