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Changelog

v5.5.1

Fixed:

  • Less_Parser: Fix SetImportDirs() type hint to accept callable without string key (Timo Tijhof)

v5.5.0

Added:

  • Add support for CSS4 #RRGGBBAA colors. (Hannah Okwelum) T403056
  • Add support for native CSS color functions including with CSS variables. (Hannah Okwelum) T405815

Fixed:

  • Fix "PHP Warning: Using null as the key parameter for array_key_exists" on PHP 8.5. (del72683) T410596
  • Fix interpolation of string with number followed by underscore. (Timo Tijhof) Less.js #2462
  • Fix "PHP Warning: Using null as an array offset" on PHP 8.5 in Less_Functions. (Hannah Okwelum) T411398
  • Fix "PHP Warning: Using null as an array offset" on PHP 8.5 in Less_ImportVisitor. (Hannah Okwelum) T411400
  • Fix "PHP Warning: ord(): Providing an empty string is deprecated" on PHP 8.5. (Hannah Okwelum) T411397

v5.4.0

Added:

  • Add support for Logical Functions if() and boolean(). (Hannah Okwelum) T393383

Changed:

  • Remove support for PHP 7.4 and 8.0. Raise requirement to PHP 8.1+. (James D. Forrester)

v5.3.1

Fixed:

  • Fix "PHP Warning: Undefined property $value" in extract(). (Timo Tijhof) T391735

v5.3.0

Added:

  • Less_Parser: Add cache_incremental option. Set this to false via Less_Cache to use the fast whole-output cache without the memory-intensive incremental cache. (Timo Tijhof)

Deprecated:

  • Deprecate Less_Cache::CheckCacheDir() as public method. This is called automatically.
  • Deprecate Less_Cache::CleanCache() as public method. This is called automatically.
  • Deprecate Less_Parser::SetCacheDir(). Set the cache_dir option, or use Less_Cache::SetCacheDir() instead.

v5.2.2

Fixed:

  • Fix ParseError on CSS variable when there is no trailing semicolon (Hannah Okwelum) T386077
  • Support functions calls in CSS variable value after first comma (Hannah Okwelum) T386079

v5.2.1

Fixed:

  • Fix un-parenthesized nested operation via a variable (Hannah Okwelum) T386074
  • Faster Less_Visitor_joinSelector by skipping Declaration blocks (ubermanu)

v5.2.0

Added:

  • Add support for BrianHenryIE/strauss codemod in Less_Visitor (Stefan Warnat)

Fixed:

  • Fix "PHP Warning: Undefined array key currentUri" when using @import (inline) (tck) T380641
  • Fix "PHP Warning: Implicit conversion from float to int" on PHP 8.1 when using hsv() (Peter Knut)
  • Less_Visitor: Faster class mapping in visitObj by using inline cache (Thiemo Kreuz)

v5.1.2

Fixed:

  • Less_Functions: Fix "PHP Warning: Implicitly nullable parameter" on PHP 8.4 (Reedy) T376276

v5.1.1

Fixed:

  • Fix compiling of PHP-injected variables with false, null or empty string (Hannah Okwelum)

v5.1.0

Added:

  • Add support for property acessors (Piotr Miazga) T368408
  • Increase parsing flexibility around at-rule blocks and custom properties (Piotr Miazga) T368408
  • Add support for Namespaces and Accessors (Piotr Miazga) T368409

Fixed:

  • Fix parse error when opacity is set to zero in alpha() function (Hannah Okwelum) T371606

v5.0.0

Added:

  • Add support for Lessjs 3.5.0 calc() exception (Piotr Miazga) T367186
  • Add support for CSS Grid syntax (Dringsim) T288498
  • Add support for \9 escapes in CSS keyword (Dringsim) T288498
  • Add Less_Parser "math" option, renamed from strictMath (Hannah Okwelum) T366445

Changed:

  • Change Less_Parser "math" default from "always" to "parens-division" (Hannah Okwelum) T366445
  • Change Less_Version::less_version to "3.13.3". This end compatibility support of Less.js 2.5.3. Less.php 5.0 and later will target Less.js 3.13.1 behaviour instead. (Piotr Miazga)

Removed:

  • Remove import_callback Less_Parser option (Hannah Okwelum)
  • Remove backtick evaluation inside quoted strings (Bartosz Dziewoński)
  • Remove Less_Parser::AllParsedFiles() (Hannah Okwelum)
  • Remove Less_Parser->SetInput() public method, now private (Hannah Okwelum)
  • Remove Less_Parser->CacheFile() public method, now private (Hannah Okwelum)
  • Remove Less_Parser->UnsetInput() public method, now private (Hannah Okwelum)
  • Remove Less_Parser->save() public method, now private (Hannah Okwelum)

v4.4.1

Fixed:

  • Update Less_Version::version and bump Less_Version::cache_version (Timo Tijhof)

v4.4.0

Added:

  • Add image-size() function, disable base64 for SVG data-uri() (Hannah Okwelum) T353147
  • Improve support for preserving !important via variables (Piotr Miazga) T362341
  • Add support for include path inside data-uri() (Hannah Okwelum) T364871

Changed, to match Less.js 2.5.3:

  • Fix multiplication of mixed units to preserve the first unit (Piotr Miazga) T362341

Fixed:

  • Fix checking of guard conditions in nested mixins (Hannah Okwelum) T352867
  • Less_Functions: Avoid clobbering clamp() with internal helper (Timo Tijhof) T363728

v4.3.0

Added:

  • Support interpolated variable imports, via ImportVisitor (Hannah Okwelum) T353133
  • Support rulesets as default values of a mixin parameter (Hannah Okwelum) T353143
  • Support ... expand operator in mixin calls (Piotr Miazga) T352897
  • Improve support for @import (reference) matching Less.js 2.x (Hannah Okwelum) T362647

Changed:

  • Improve mix() argument exception message to mention given arg type (Timo Tijhof)
  • The Less_Tree_Import->getPath() method now reflects the path as written in the source code, without auto-appended .less suffix, matching upstream Less.js 2.5.3 behaviour. This internal detail is exposed via the deprecated import_callback parser option. It is recommended to migrate to Less_Parser->SetImportDirs, which doesn't expose internals, and is unaffected by this change.

Deprecated:

  • Deprecate import_callback Less_Parser option. Use Less_Parser->SetImportDirs with callback instead.
  • Deprecate Less_Parser->SetInput() as public method. Use Less_Parser->parseFile() instead.
  • Deprecate Less_Parser->CacheFile() as public method. Use Less_Cache API instead.
  • Deprecate Less_Parser::AllParsedFiles() as static method. Use Less_Parser->getParsedFiles() instead.
  • Deprecate Less_Parser->UnsetInput() as public method, considered internal.
  • Deprecate Less_Parser->save() as public method, considered internal.

Fixed:

  • Fix replace() when passed multiple replacements (Roan Kattouw) T358631
  • Fix unexpected duplicating of uncalled mixin rules (Hannah Okwelum) T363076
  • Fix ParseError for comments after rule name or in @keyframes (Piotr Miazga) T353131
  • Fix ParseError for comments in more places and preserve them (Piotr Miazga) T353132
  • Fix ParseError effecting pseudo classes with when guards (Piotr Miazga) T353144
  • Fix preservation of units in some cases (Timo Tijhof) T360065
  • Less_Parser: Faster matching by inlining matcher() chains (Timo Tijhof)
  • Less_Parser: Faster matching with matchStr() method (Timo Tijhof)

v4.2.1

Added:

  • Add support for /deep/ selectors (Hannah Okwelum) T352862

Fixed:

  • Fix ParseError in some division expressions (Hannah Okwelum) T358256
  • Fix when() matching between string and non-string (Timo Tijhof) T358159
  • Preserve whitespace before ; or ! in simple rules (Hannah Okwelum) T352911

v4.2.0

Added:

  • Add isruleset() function (Hannah Okwelum) T354895
  • Add source details to "Operation on an invalid type" error (Hannah Okwelum) T344197
  • Add support for method=relative parameter in color functions (Hannah Okwelum) T354895
  • Add support for comments in variables and function parameters (Hannah Okwelum) T354895
  • Less_Parser: Add functions parser option API (Hannah Okwelum)

Changed, to match Less.js 2.5.3:

  • Preserve original color keywords and shorthand hex (Hannah Okwelum) T352866

Fixed:

  • Fix PHP Warning when using a dynamic variable name like @@name (Hannah Okwelum) T352830
  • Fix PHP Warning when @extend path contains non-quoted attribute (Gr8b) T349433
  • Less_Parser: Faster skipWhitespace by using native strspn (Umherirrender)
  • Less_Parser: Fix Less_Tree_JavaScript references to consistently be in camel-case (Stefan Fröhlich)
  • Fix !important in nested mixins (Hannah Okwelum) T353141
  • Fix crash when using recursive mixins (Timo Tijhof) T352829
  • Fix disappearing selectors in certain nested blocks (Hannah Okwelum) T352859
  • Fix Less_Exception_Compiler when passing unquoted value to color() (Hannah Okwelum) T353289
  • Fix order of comments in @font-face blocks (Timo Tijhof) T356706
  • Fix string comparison to ignore quote type (Timo Tijhof) T357160
  • Fix string interpolation in selectors (Hannah Okwelum) T353142

v4.1.1

  • Less_Parser: Faster MatchQuoted by using native strcspn. (Thiemo Kreuz)
  • Less_Parser: Faster parseEntitiesQuoted by inlining MatchQuoted. (Thiemo Kreuz)
  • Less_Parser: Faster parseUnicodeDescriptor and parseEntitiesJavascript by first-char checks. (Thiemo Kreuz)
  • Less_Tree_Mixin_Call: Include mixin name in error message (Jeremy P)
  • Fix mismatched casing in class names to fix autoloading on case-sensitive filesystems (Jeremy P)

v4.1.0

  • Add support for @supports blocks. (Anne Tomasevich) T332923
  • Less_Parser: Returning a URI from SetImportDirs() callbacks is now optional. (Timo Tijhof)

v4.0.0

  • Remove support for PHP 7.2 and 7.3. Raise requirement to PHP 7.4+.
  • Remove support for cache_method=php and cache_method=var_export, only the faster and more secure cache_method=serialize is now available. The built-in cache remains disabled by default.
  • Fix url(#myid) to be treated as absolute URL. T331649
  • Fix "Undefined property" PHP 8.1 warning when calc() is used with CSS var(). T331688
  • Less_Parser: Improve performance by removing MatchFuncs and NewObj overhead. (Timo Tijhof)

v3.2.1

  • Tree_Ruleset: Fix support for nested parent selectors (Timo Tijhof) T204816
  • Fix ParseError when interpolating variable after colon in selector (Timo Tijhof) T327163
  • Functions: Fix "Undefined property" warning on bad minmax arg
  • Tree_Call: Include previous exception when catching functions (Robert Frunzke)

v3.2.0

  • Fix "PHP Warning: Implicit conversion" on PHP 8.1 (Ayokunle Odusan)
  • Fix "PHP Warning: Creation of dynamic property" on PHP 8.2 (Bas Couwenberg, Rajesh Kumar)
  • Tree_Url: Add support for "Url" type to Parser::getVariables() (ciroarcadio) #51
  • Tree_Import: Add support for importing URLs without file extension (Timo Tijhof) #27

v3.1.0

  • Add PHP 8.0 support: Drop use of curly braces for sub-string eval (James D. Forrester)
  • Make Directive::__construct $rules arg optional (fix PHP 7.4 warning) (Sam Reed)
  • ProcessExtends: Improve performance by using a map for selectors and parents (Andrey Legayev)

v3.0.0

  • Raise PHP requirement from 7.1 to 7.2.9 (James Forrester)

v2.0.0

  • Relax PHP requirement down to 7.1, from 7.2.9 (Franz Liedke)
  • Reflect recent breaking changes properly with the semantic versioning (James Forrester)

v1.8.2

  • Require PHP 7.2.9+, up from 5.3+ (James Forrester)
  • release: Update Version.php with the current release ID (COBadger)
  • Fix access array offset on value of type null (Michele Locati)
  • Fix test suite on PHP 7.4 (Sergei Morozov)

v1.8.1

  • Another PHP 7.3 compatibility tweak

v1.8.0

Library forked by Wikimedia, from oyejorge/less.php.

  • Supports up to PHP 7.3
  • No longer tested against PHP 5, though it's still remains allowed in composer.json for HHVM compatibility
  • Switched to semantic versioning, hence version numbers now use 3 digits

v1.7.0.13

  • Fix composer.json (PSR-4 was invalid)

v1.7.0.12

  • Fix bin/lessc to have executable bit (regression from v1.7.0.10)
  • Add Less_Parser::getVariables method oyejorge #258

v1.7.0.11

  • Fix realpath issue on Windows
  • Change Less_Tree_Call property back to public (protected since v1.7.0.2) oyejorge #324

v1.7.0.10

  • Less_Parser: Add indentation option
  • Add support for optional modifier to @import
  • Fix $color in Exception messages
  • Fix cache filename to take relative-url into account oyejorge #295
  • urlArgs should be string no array()
  • Fix missing on NameValue type oyejorge #269

v1.7.0.9

  • Remove space at beginning of Version.php
  • Revert require() paths in test interface