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# Revision History ## 8.4.0 ### Features * Support for PHP 8.x * PHPDoc annotations * Allow usage of CSS variables inside color functions (by parsing them as regular functions) * Use PSR-12 code style * *No deprecations* ### Bugfixes * Improved handling of whitespace in `calc()` * Fix parsing units whose prefix is also a valid unit, like `vmin` * Allow passing an object to `CSSList#replace` * Fix PHP 7.3 warnings * Correctly parse keyframes with `%` * Don’t convert large numbers to scientific notation * Allow a file to end after an `@import` * Preserve case of CSS variables as specced * Allow identifiers to use escapes the same way as strings * No longer use `eval` for the comparison in `getSelectorsBySpecificity`, in case it gets passed untrusted input (CVE-2020-13756). Also fixed in 8.3.1, 8.2.1, 8.1.1, 8.0.1, 7.0.4, 6.0.2, 5.2.1, 5.1.3, 5.0.9, 4.0.1, 3.0.1, 2.0.1, 1.0.1. * Prevent an infinite loop when parsing invalid grid line names * Remove invalid unit `vm` * Retain rule order after expanding shorthands ### Backwards-incompatible changes * PHP ≥ 5.6 is now required * HHVM compatibility target dropped ## 8.3.0 (2019-02-22) * Refactor parsing logic to mostly reside in the class files whose data structure is to be parsed (this should eventually allow us to unit-test specific parts of the parsing logic individually). * Fix error in parsing `calc` expessions when the first operand is a negative number, thanks to @raxbg. * Support parsing CSS4 colors in hex notation with alpha values, thanks to @raxbg. * Swallow more errors in lenient mode, thanks to @raxbg. * Allow specifying arbitrary strings to output before and after declaration blocks, thanks to @westonruter. * *No backwards-incompatible changes* * *No deprecations* ## 8.2.0 (2018-07-13) * Support parsing `calc()`, thanks to @raxbg. * Support parsing grid-lines, again thanks to @raxbg. * Support parsing legacy IE filters (`progid:`) in lenient mode, thanks to @FMCorz * Performance improvements parsing large files, again thanks to @FMCorz * *No backwards-incompatible changes* * *No deprecations* ## 8.1.0 (2016-07-19) * Comments are no longer silently ignored but stored with the object with which they appear (no render support, though). Thanks to @FMCorz. * The IE hacks using `\0` and `\9` can now be parsed (and rendered) in lenient mode. Thanks (again) to @FMCorz. * Media queries with or without spaces before the query are parsed. Still no *real* parsing support, though. Sorry… * PHPUnit is now listed as a dev-dependency in composer.json. * *No backwards-incompatible changes* * *No deprecations* ## 8.0.0 (2016-06-30) * Store source CSS line numbers in tokens and parsing exceptions. * *No deprecations* ### Backwards-incompatible changes * Unrecoverable parser errors throw an exception of type `Sabberworm\CSS\Parsing\SourceException` instead of `\Exception`. ## 7.0.3 (2016-04-27) * Fixed parsing empty CSS when multibyte is off * *No backwards-incompatible changes* * *No deprecations* ## 7.0.2 (2016-02-11) * 150 time performance boost thanks to @[ossinkine](https://github.com/ossinkine) * *No backwards-incompatible changes* * *No deprecations* ## 7.0.1 (2015-12-25) * No more suppressed `E_NOTICE` * *No backwards-incompatible changes* * *No deprecations* ## 7.0.0 (2015-08-24) * Compatibility with PHP 7. Well timed, eh? * *No deprecations* ### Backwards-incompatible changes * The `Sabberworm\CSS\Value\String` class has been renamed to `Sabberworm\CSS\Value\CSSString`. ## 6.0.1 (2015-08-24) * Remove some declarations in interfaces incompatible with PHP 5.3 (< 5.3.9) * *No deprecations* ## 6.0.0 (2014-07-03) * Format output using Sabberworm\CSS\OutputFormat * *No backwards-incompatible changes* ### Deprecations * The parse() method replaces __toString with an optional argument (instance of the OutputFormat class) ## 5.2.0 (2014-06-30) * Support removing a selector from a declaration block using `$oBlock->removeSelector($mSelector)` * Introduce a specialized exception (Sabberworm\CSS\Parsing\OuputException) for exceptions during output rendering * *No deprecations* #### Backwards-incompatible changes * Outputting a declaration block that has no selectors throws an OuputException instead of outputting an invalid ` {…}` into the CSS document. ## 5.1.2 (2013-10-30) * Remove the use of consumeUntil in comment parsing. This makes it possible to parse comments such as `/** Perfectly valid **/` * Add fr relative size unit * Fix some issues with HHVM * *No backwards-incompatible changes* * *No deprecations* ## 5.1.1 (2013-10-28) * Updated CHANGELOG.md to reflect changes since 5.0.4 * *No backwards-incompatible changes* * *No deprecations* ## 5.1.0 (2013-10-24) * Performance enhancements by Michael M Slusarz * More rescue entry points for lenient parsing (unexpected tokens between declaration blocks and unclosed comments) * *No backwards-incompatible changes* * *No deprecations* ## 5.0.8 (2013-08-15) * Make default settings’ multibyte parsing option dependent on whether or not the mbstring extension is actually installed. * *No backwards-incompatible changes* * *No deprecations* ## 5.0.7 (2013-08-04) * Fix broken decimal point output optimization * *No backwards-incompatible changes* * *No deprecations* ## 5.0.6 (2013-05-31) * Fix broken unit test * *No backwards-incompatible changes* * *No deprecations* ## 5.0.5 (2013-04-17) * Initial support for lenient parsing (setting this parser option will catch some exceptions internally and recover the parser’s state as neatly as possible). * *No backwards-incompatible changes* * *No deprecations* ## 5.0.4 (2013-03-21) * Don’t output floats with locale-aware separator chars * *No backwards-incompatible changes* * *No deprecations* ## 5.0.3 (2013-03-21) * More size units recognized * *No backwards-incompatible changes* * *No deprecations* ## 5.0.2 (2013-03-21) * CHANGELOG.md file added to distribution * *No backwards-incompatible changes* * *No deprecations* ## 5.0.1 (2013-03-20) * Internal cleanup * *No backwards-incompatible changes* * *No deprecations* ## 5.0.0 (2013-03-20) * Correctly parse all known CSS 3 units (including Hz and kHz). * Output RGB colors in short (#aaa or #ababab) notation * Be case-insensitive when parsing identifiers. * *No deprecations* ### Backwards-incompatible changes * `Sabberworm\CSS\Value\Color`’s `__toString` method overrides `CSSList`’s to maybe return something other than `type(value, …)` (see above). ## 4.0.0 (2013-03-19) * Support for more @-rules * Generic interface `Sabberworm\CSS\Property\AtRule`, implemented by all @-rule classes * *No deprecations* ### Backwards-incompatible changes * `Sabberworm\CSS\RuleSet\AtRule` renamed to `Sabberworm\CSS\RuleSet\AtRuleSet` * `Sabberworm\CSS\CSSList\MediaQuery` renamed to `Sabberworm\CSS\RuleSet\CSSList\AtRuleBlockList` with differing semantics and API (which also works for other block-list-based @-rules like `@supports`). ## 3.0.0 (2013-03-06) * Support for lenient parsing (on by default) * *No deprecations* ### Backwards-incompatible changes * All properties (like whether or not to use `mb_`-functions, which default charset to use and – new – whether or not to be forgiving when parsing) are now encapsulated in an instance of `Sabberworm\CSS\Settings` which can be passed as the second argument to `Sabberworm\CSS\Parser->__construct()`. * Specifying a charset as the second argument to `Sabberworm\CSS\Parser->__construct()` is no longer supported. Use `Sabberworm\CSS\Settings::create()->withDefaultCharset('some-charset')` instead. * Setting `Sabberworm\CSS\Parser->bUseMbFunctions` has no effect. Use `Sabberworm\CSS\Settings::create()->withMultibyteSupport(true/false)` instead. * `Sabberworm\CSS\Parser->parse()` may throw a `Sabberworm\CSS\Parsing\UnexpectedTokenException` when in strict parsing mode. ## 2.0.0 (2013-01-29) * Allow multiple rules of the same type per rule set ### Backwards-incompatible changes * `Sabberworm\CSS\RuleSet->getRules()` returns an index-based array instead of an associative array. Use `Sabberworm\CSS\RuleSet->getRulesAssoc()` (which eliminates duplicate rules and lets the later rule of the same name win). * `Sabberworm\CSS\RuleSet->removeRule()` works as it did before except when passed an instance of `Sabberworm\CSS\Rule\Rule`, in which case it would only remove the exact rule given instead of all the rules of the same type. To get the old behaviour, use `Sabberworm\CSS\RuleSet->removeRule($oRule->getRule()`; ## 1.0 Initial release of a stable public API. ## 0.9 Last version not to use PSR-0 project organization semantics.