This is the documentation for the unsupported version 1.6. Please consider upgrading your code to the latest stable version

Changelog

All notable changes made in 1.x releases are shown below. See the full list of releases for the complete changelog.

1.6.7 - 2022-01-13

Changed

• Added ReturnTypeWillChange attribute to prevent PHP 8.1 deprecation warnings (#785)
• Coerced punctuation counts to integers to ensure floats are never used

1.6.6 - 2021-07-17

Fixed

• Fixed Mentions inside of links creating nested links against the spec’s rules (#688)

1.6.5 - 2021-06-26

Changed

• Simplified checks for thematic breaks

Fixed

• Fixed ExternalLinkProcessor not handling autolinks by adjusting its priority to -50 (#681)

1.6.4 - 2021-06-19

Changed

• Optimized attribute parsing to avoid inspecting every space character (30% performance boost)

1.6.3 - 2021-06-19

Fixed

• Fixed incorrect parsing of tilde-fenced code blocks with leading spaces (#676)

1.6.2 - 2021-05-12

Fixed

• Fixed incorrect error level for deprecation notices

1.6.1 - 2021-05-08

Fixed

• Fixed HeadingPermalinkProcessor skipping text contents from certain nodes (#615)

1.6.0 - 2021-05-01

Please see https://commonmark.thephpleague.com/1.6/upgrading/ for important information about this release and the upcoming 2.0.0 version.

Added

• Added forward-compatibility for configuration options which will be changing in 2.0:
  • commonmark/enable_em (currently enable_em in 1.x)
  • commonmark/enable_strong (currently enable_strong in 1.x)
  • commonmark/use_asterisk (currently use_asterisk in 1.x)
  • commonmark/use_underscore (currently use_underscore in 1.x)
  • commonmark/unordered_list_markers (currently unordered_list_markers in 1.x)
  • mentions/*/prefix (currently mentions/*/symbol in 1.x)
  • mentions/*/pattern (currently mentions/*/regex in 1.x)
  • max_nesting_level (currently supports int and float values in 1.x; will only support int in 2.0)
• Added new MarkdownConverter class for creating converters with custom environments; this replaces the previously-deprecated Converter class
• Added new RegexHelper::matchFirst() method
• Added new Configuration::exists() method

Changed

• The max_nesting_level option now defaults to PHP_INT_MAX instead of INF

Deprecated

• Deprecated the configuration options shown above
• Deprecated the ability to pass a custom Environment into the constructors of CommonMarkConverter and GithubFlavoredMarkdownConverter; use MarkdownConverter instead
• Deprecated ConfigurableEnvironmentInterface::setConfig(); use mergeConfig() instead
• Deprecated calling ConfigurableEnvironmentInterface::mergeConfig() without any parameters
• Deprecated calling Configuration::get() and EnvironmentInterface::getConfig() without any parameters
• Deprecated calling Configuration::set() without the second $value parameter
• Deprecated RegexHelper::matchAll(); use RegexHelper::matchFirst() instead
• Deprecated extending the ArrayCollection class; will be marked final in 2.0

Fixed

• Fixed missing check for empty arrays being passed into the unordered_list_markers configuration option

1.5.8 - 2021-03-28

Fixed

• Fixed Table of Contents not rendering heading inlines properly (#587, #588)
• Fixed parsing of tables within list items (#590)

1.5.7 - 2020-10-31

Fixed

• Fixed mentions not being parsed when appearing after non-word characters (#582)

1.5.6 - 2020-10-17

Changed

• Blocks added outside of the parsing context now have their start/end line numbers defaulted to 0 to avoid type errors (#579)

Fixed

• Fixed replacement blocks not inheriting the start line number of the container they’re replacing (#579)
• Fixed Table of Contents blocks not having correct start/end line numbers (#579)

1.5.5 - 2020-09-13

Changed

• Bumped CommonMark spec compliance to 0.28.2

Fixed

• Fixed textarea elements not being treated as a type 1 HTML block (like script, style, or pre)
• Fixed autolink processor not handling other unmatched trailing parentheses

1.5.4 - 2020-08-18

Fixed

• Fixed footnote ID configuration not taking effect (#524, #530)
• Fixed heading permalink slugs not being unique (#531, #534)

1.5.3 - 2020-07-19

Fixed

• Fixed regression of multi-byte inline parser characters not being matched

1.5.2 - 2020-07-19

Changed

• Significantly improved performance of the inline parser regex

Fixed

• Fixed parent class lookups for non-existent classes on PHP 8 (#517)

1.5.1 - 2020-06-27

Fixed

• Fixed UTF-8 encoding not being checked in the UrlEncoder utility (#509) or the Cursor

1.5.0 - 2020-06-21

Added

• Added new AttributesExtension based on https://github.com/webuni/commonmark-attributes-extension (#474)
• Added new FootnoteExtension based on https://github.com/rezozero/commonmark-ext-footnotes (#474)
• Added new MentionExtension to replace InlineMentionParser with more flexibility and customization
• Added the ability to render TableOfContents nodes anywhere in a document (given by a placeholder)
• Added the ability to properly clone Node objects
• Added options to customize the value of rel attributes set via the ExternalLink extension (#476)
• Added a new heading_permalink/slug_normalizer configuration option to allow custom slug generation (#460)
• Added a new heading_permalink/symbol configuration option to replace the now deprecated heading_permalink/inner_contents configuration option (#505)
• Added SlugNormalizer and TextNormalizer classes to make normalization reusable by extensions (#485)
• Added new classes:
  • TableOfContentsGenerator
  • TableOfContentsGeneratorInterface
  • TableOfContentsPlaceholder
  • TableOfContentsPlaceholderParser
  • TableOfContentsPlaceholderRenderer

Changed

• “Moved” the TableOfContents class into a new Node sub-namespace (with backward-compatibility)
• Reference labels are now generated and stored in lower-case instead of upper-case
• Reference labels are no longer normalized inside the Reference, only the ReferenceMap

Fixed

• Fixed reference label case folding polyfill not being consistent between different PHP versions

Deprecated

• Deprecated the CommonMarkConverter::VERSION constant (#496)
• Deprecated League\CommonMark\Extension\Autolink\InlineMentionParser (use League\CommonMark\Extension\Mention\MentionParser instead)
• Deprecated everything under League\CommonMark\Extension\HeadingPermalink\Slug (use the classes under League\CommonMark\Normalizer instead)
• Deprecated League\CommonMark\Extension\TableOfContents\TableOfContents (use the one in the new Node sub-namespace instead)
• Deprecated the STYLE_ and NORMALIZE_ constants in TableOfContentsBuilder (use the ones in TableOfContentsGenerator instead)
• Deprecated the \League\CommonMark\Extension\HeadingPermalink\HeadingPermalinkRenderer::DEFAULT_INNER_CONTENTS constant (#505)
• Deprecated the heading_permalink/inner_contents configuration option in the HeadingPermalink extension (use the new heading_permalink/symbol configuration option instead) (#505)

1.4.3 - 2020-05-04

Fixed

• Fixed certain Unicode letters, numbers, and marks not being preserved when generating URL slugs (#467)

1.4.2 - 2020-04-24

Fixed

• Fixed inline code blocks not be included within heading permalinks (#457)

1.4.1 - 2020-04-20

Fixed

• Fixed BC break caused by ConverterInterface alias not being used by some DI containers (#454)

1.4.0 - 2020-04-18

Added

• Added new Heading Permalink extension (#420)
• Added new Table of Contents extension (#441)
• Added new MarkdownConverterInterface as a long-term replacement for ConverterInterface (#439)
• Added new DocumentPreParsedEvent event (#427, #359, #399)
• Added new ListBlock::TYPE_BULLET constant as a replacement for ListBlock::TYPE_UNORDERED
• Added new MarkdownInput class and MarkdownInputInterface to handle pre-parsing and allow listeners to replace Markdown contents

Changed

• Block & inline renderers will now render child classes automatically (#222, #209)
• The ListBlock constants now use fully-lowercased values instead of titlecased values
• Significantly improved typing

Fixed

• Fixed loose comparison when checking for table alignment
• Fixed StaggeredDelimiterProcessor returning from a void function

Deprecated

• The Converter class has been deprecated; use CommonMarkConverter instead (#438, #439)
• The ConverterInterface has been deprecated; use MarkdownConverterInterface instead (#438, #439)
• The bin/commonmark script has been deprecated
• The following methods of ArrayCollection have been deprecated:
  • add()
  • set()
  • get()
  • remove()
  • isEmpty()
  • contains()
  • indexOf()
  • containsKey()
  • replaceWith()
  • removeGaps()
• The ListBlock::TYPE_UNORDERED constant has been deprecated, use ListBlock::TYPE_BULLET instead

1.3.4 - 2020-04-13

Fixed

• Fixed configuration/environment not being injected into event listeners when adding them via [$instance, 'method'] callable syntax (#440)

1.3.3 - 2020-04-05

Fixed

• Fixed event listeners not having the environment or configuration injected if they implemented the EnvironmentAwareInterface or ConfigurationAwareInterface (#423)

1.3.2 - 2020-03-25

Fixed

• Optimized URL normalization in cases where URLs don’t contain special characters (#417, #418)

1.3.1 - 2020-02-28

Fixed

• Fixed return types of Environment::createCommonMarkEnvironment() and Environment::createGFMEnvironment()

1.3.0 - 2020-02-09

ℹ️ Do you use league/commonmark-ext* packages? Those features are now included directly in this library! See #409 for details on making the switch.

Added

• Added (optional) full GFM support! 🎉🎉🎉 (#409)
• Added check to ensure Markdown input is valid UTF-8 (#401, #405)
• Added new unordered_list_markers configuration option (#408, #411)

Changed

• Introduced several micro-optimizations for a 5-10% performance boost

1.2.2 - 2020-01-16

This release contains the same changes as 1.1.3:

Fixed

• Fixed link parsing edge case (#403)

1.1.3 - 2020-01-16

Fixed

• Fixed link parsing edge case (#403)

1.2.1 - 2020-01-15

Changed

• Introduced several micro-optimizations, reducing the parse time by 8%

1.2.0 - 2020-01-09

Changed

• Removed URL decoding step before encoding (more performant and better matches the JS library)
• Removed redundant token from HTML tag regex

1.1.2 - 2019-12-10

Fixed

• Fixed URL normalization not handling non-UTF-8 sequences properly (#395, #396)

1.1.1 - 2019-11-11

Fixed

• Fixed handling of link destinations with unbalanced unescaped parens
• Fixed adding delimiters to stack which can neither open nor close a run

1.1.0 - 2019-10-31

Added

• Added a new Html5EntityDecoder class (#387)

Changed

• Improved performance by 10% (#389)
• Made entity decoding less memory-intensive (#386, #387)

Fixed

• Fixed PHP 7.4 compatibility issues

Deprecated

• Deprecated the Html5Entities class - use Html5EntityDecoder instead (#387)

1.0.0 - 2019-06-29

First stable release! 🎉

No code changes have been introduced since 1.0.0-rc1

1.0.0-rc1 - 2019-06-20

Added

• Extracted a ReferenceMapInterface from the ReferenceMap class
• Added optional ReferenceMapInterface parameter to the Document constructor

Changed

• Replaced all references to ReferenceMap with ReferenceMapInterface
• ReferenceMap::addReference() no longer returns $this

Fixed

• Fixed bug where elements with content of "0" wouldn’t be rendered (#376)

1.0.0-beta4 - 2019-06-05

Added

• Added event dispatcher functionality (#359, #372)

Removed

• Removed DocumentProcessorInterface functionality in favor of event dispatching (#373)

1.0.0-beta3 - 2019-05-28

Changed

• Made the Delimiter class final and extracted a new DelimiterInterface
  • Modified most external usages to use this new interface
• Renamed three Delimiter methods:
  • getOrigDelims() renamed to getOriginalLength()
  • getNumDelims() renamed to getLength()
  • setNumDelims() renamed to setLength()
• Made additional classes final:
  • DelimiterStack
  • ReferenceMap
  • ReferenceParser
• Moved ReferenceParser into the Reference sub-namespace

Removed

• Removed unused Delimiter methods:
  • setCanOpen()
  • setCanClose()
  • setChar()
  • setIndex()
  • setInlineNode()
• Removed fluent interface from Delimiter (setter methods now have no return values)

1.0.0-beta2 - 2019-05-27

This beta release fixes a couple of items that were not addressed in the previous beta.

Changed

• DelimiterProcessorInterface::process() will accept any type of AbstractStringContainer now, not just Text nodes
• The Delimiter constructor, getInlineNode(), and setInlineNode() no longer accept generic Node elements - only AbstractStringContainers

Removed

• Removed all deprecated functionality:
  • The safe option (use html_input and allow_unsafe_links options instead)
  • All deprecated RegexHelper constants
  • DocParser::getEnvironment() (you should obtain it some other way)
  • AbstractInlineContainer (use AbstractInline instead and make isContainer() return true)

1.0.0-beta1 - 2019-05-26

See the upgrading guide for additional information.

Added

• Added proper support for delimiters, including custom delimiters
  • addDelimiterProcessor() added to ConfigurableEnvironmentInterface and Environment
• Basic delimiters no longer need custom parsers - they’ll be parsed automatically
• Added new methods:
  • AdjacentTextMerger::mergeTextNodesBetweenExclusive()
  • CommonMarkConveter::getEnvironment()
  • Configuration::set()
• Extracted some new interfaces from base classes:
  • DocParserInterface created from DocParser
  • ConfigurationInterface created from Configuration
  • ReferenceInterface created from Reference

Changed

• Renamed several methods of the Configuration class:
  • getConfig() renamed to get()
  • mergeConfig() renamed to merge()
  • setConfig() renamed to replace()
• Changed ConfigurationAwareInterface::setConfiguration() to accept the new ConfigurationInterface instead of the concrete class
• Renamed the AdjoiningTextCollapser class to AdjacentTextMerger
  • Replaced its collapseTextNodes() method with the new mergeChildNodes() method
• Made several classes final:
  • Configuration
  • DocParser
  • HtmlRenderer
  • InlineParserEngine
  • NodeWalker
  • Reference
  • All of the block/inline parsers and renderers
• Reduced visibility of several internal methods to private:
  • DelimiterStack::findEarliest()
  • All protected methods in InlineParserEngine
• Marked some classes and methods as @internal
• ElementRendererInterface now requires a public renderInline() method; added this to HtmlRenderer
• Changed InlineParserEngine::parse() to require an AbstractStringContainerBlock instead of the generic Node class
• Un-deprecated the CommonmarkConverter::VERSION constant
• The Converter constructor now requires an instance of DocParserInterface instead of the concrete DocParser
• Changed Emphasis, Strong, and AbstractWebResource to directly extend AbstractInline instead of the (now-deprecated) intermediary AbstractInlineContainer class

Fixed

• Fixed null errors when inserting sibling Nodes without parents
• Fixed NodeWalkerEvent not requiring a Node via its constructor
• Fixed Reference::normalizeReference() improperly converting to uppercase instead of performing proper Unicode case-folding
• Fixed strong emphasis delimiters not being preserved when enable_strong is set to false (it now works identically to enable_em)

Deprecated

• Deprecated DocParser::getEnvironment() (you should obtain it some other way)
• Deprecated AbstractInlineContainer (use AbstractInline instead and make isContainer() return true)

Removed

• Removed inline processor functionality now that we have proper delimiter support:
  • Removed addInlineProcessor() from ConfigurableEnvironmentInterface and Environment
  • Removed getInlineProcessors() from EnvironmentInterface and Environment
  • Removed EmphasisProcessor
  • Removed InlineProcessorInterface
• Removed EmphasisParser now that we have proper delimiter support
• Removed support for non-UTF-8-compatible encodings
  • Removed getEncoding() from ContextInterface
  • Removed getEncoding(), setEncoding(), and $encoding from Context
  • Removed getEncoding() and the second $encoding constructor param from Cursor
• Removed now-unused methods
  • Removed DelimiterStack::getTop() (no replacement)
  • Removed DelimiterStack::iterateByCharacters() (use the new processDelimiters() method instead)
  • Removed the protected DelimiterStack::findMatchingOpener() method

Older Versions

Please see the full list of releases for the complete changelog.

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