[CLEANUP] Use single-quoted string literals whenever possible (#642)

oliverklee · web-flow · commit a28ad758a85f · 2024-07-04T11:37:00.000+02:00
Fixes #640
diff --git a/config/php-cs-fixer.php b/config/php-cs-fixer.php
@@ -92,6 +92,7 @@
             'strict_param' => true,
 
             // string notation
+            'single_quote' => true,
             'string_implicit_backslashes' => ['single_quoted' => 'escape'],
         ]
     );
diff --git a/src/CSSList/CSSList.php b/src/CSSList/CSSList.php
@@ -92,7 +92,7 @@ public static function parseList(ParserState $oParserState, CSSList $oList): voi
         }
         $oList->addComments($aComments);
         if (!$bIsRoot && !$bLenientParsing) {
-            throw new SourceException("Unexpected end of document", $oParserState->currentLine());
+            throw new SourceException('Unexpected end of document', $oParserState->currentLine());
         }
     }
 
@@ -133,7 +133,7 @@ private static function parseListItem(ParserState $oParserState, CSSList $oList)
                 if ($oParserState->getSettings()->bLenientParsing) {
                     return DeclarationBlock::parse($oParserState);
                 } else {
-                    throw new SourceException("Unopened {", $oParserState->currentLine());
+                    throw new SourceException('Unopened {', $oParserState->currentLine());
                 }
             } else {
                 // End of list
@@ -205,11 +205,11 @@ private static function parseAtRule(ParserState $oParserState)
         } else {
             // Unknown other at rule (font-face or such)
             $sArgs = \trim($oParserState->consumeUntil('{', false, true));
-            if (\substr_count($sArgs, "(") != \substr_count($sArgs, ")")) {
+            if (\substr_count($sArgs, '(') != \substr_count($sArgs, ')')) {
                 if ($oParserState->getSettings()->bLenientParsing) {
                     return null;
                 } else {
-                    throw new SourceException("Unmatched brace count in media query", $oParserState->currentLine());
+                    throw new SourceException('Unmatched brace count in media query', $oParserState->currentLine());
                 }
             }
             $bUseRuleSet = true;
@@ -375,7 +375,7 @@ public function removeDeclarationBlockBySelector($mSelector, $bRemoveAll = false
                     throw new UnexpectedTokenException(
                         "Selector did not match '" . Selector::SELECTOR_VALIDATION_RX . "'.",
                         $mSel,
-                        "custom"
+                        'custom'
                     );
                 }
                 $mSel = new Selector($mSel);
diff --git a/src/OutputFormat.php b/src/OutputFormat.php
@@ -258,7 +258,7 @@ public function indentWithTabs($iNumber = 1)
      */
     public function indentWithSpaces($iNumber = 2)
     {
-        return $this->setIndentation(\str_repeat(" ", $iNumber));
+        return $this->setIndentation(\str_repeat(' ', $iNumber));
     }
 
     /**
@@ -314,8 +314,8 @@ public static function create(): OutputFormat
     public static function createCompact()
     {
         $format = self::create();
-        $format->set('Space*Rules', "")
-            ->set('Space*Blocks', "")
+        $format->set('Space*Rules', '')
+            ->set('Space*Blocks', '')
             ->setSpaceAfterRuleName('')
             ->setSpaceBeforeOpeningBrace('')
             ->setSpaceAfterSelectorSeparator('')
diff --git a/src/Parsing/ParserState.php b/src/Parsing/ParserState.php
@@ -193,7 +193,7 @@ public function parseCharacter($bIsForIdentifier)
                 }
             }
             $iUnicode = \intval($sUnicode, 16);
-            $sUtf32 = "";
+            $sUtf32 = '';
             for ($i = 0; $i < 4; ++$i) {
                 $sUtf32 .= \chr($iUnicode & 0xff);
                 $iUnicode = $iUnicode >> 8;
diff --git a/src/Property/Import.php b/src/Property/Import.php
@@ -75,7 +75,7 @@ public function __toString(): string
 
     public function render(OutputFormat $oOutputFormat): string
     {
-        return $oOutputFormat->comments($this) . "@import " . $this->oLocation->render($oOutputFormat)
+        return $oOutputFormat->comments($this) . '@import ' . $this->oLocation->render($oOutputFormat)
             . ($this->sMediaQuery === null ? '' : ' ' . $this->sMediaQuery) . ';';
     }
 
diff --git a/src/Rule/Rule.php b/src/Rule/Rule.php
@@ -78,7 +78,7 @@ public static function parse(ParserState $oParserState): Rule
     {
         $aComments = $oParserState->consumeWhiteSpace();
         $oRule = new Rule(
-            $oParserState->parseIdentifier(!$oParserState->comes("--")),
+            $oParserState->parseIdentifier(!$oParserState->comes('--')),
             $oParserState->currentLine(),
             $oParserState->currentColumn()
         );
diff --git a/src/RuleSet/DeclarationBlock.php b/src/RuleSet/DeclarationBlock.php
@@ -60,7 +60,7 @@ public static function parse(ParserState $oParserState, $oList = null)
             do {
                 $aSelectorParts[] = $oParserState->consume(1)
                     . $oParserState->consumeUntil(['{', '}', '\'', '"'], false, false, $aComments);
-                if (\in_array($oParserState->peek(), ['\'', '"'], true) && \substr(\end($aSelectorParts), -1) != "\\") {
+                if (\in_array($oParserState->peek(), ['\'', '"'], true) && \substr(\end($aSelectorParts), -1) != '\\') {
                     if ($sStringWrapperChar === false) {
                         $sStringWrapperChar = $oParserState->peek();
                     } elseif ($sStringWrapperChar == $oParserState->peek()) {
@@ -107,7 +107,7 @@ public function setSelectors($mSelector, $oList = null): void
                         throw new UnexpectedTokenException(
                             "Selector did not match '" . Selector::SELECTOR_VALIDATION_RX . "'.",
                             $mSelector,
-                            "custom"
+                            'custom'
                         );
                     }
                     $this->aSelectors[$iKey] = new Selector($mSelector);
@@ -116,7 +116,7 @@ public function setSelectors($mSelector, $oList = null): void
                         throw new UnexpectedTokenException(
                             "Selector did not match '" . KeyframeSelector::SELECTOR_VALIDATION_RX . "'.",
                             $mSelector,
-                            "custom"
+                            'custom'
                         );
                     }
                     $this->aSelectors[$iKey] = new KeyframeSelector($mSelector);
@@ -225,14 +225,14 @@ public function expandBorderShorthand(): void
                     $mNewValue = $mValue;
                 }
                 if ($mValue instanceof Size) {
-                    $sNewRuleName = $sBorderRule . "-width";
+                    $sNewRuleName = $sBorderRule . '-width';
                 } elseif ($mValue instanceof Color) {
-                    $sNewRuleName = $sBorderRule . "-color";
+                    $sNewRuleName = $sBorderRule . '-color';
                 } else {
                     if (\in_array($mValue, $aBorderSizes, true)) {
-                        $sNewRuleName = $sBorderRule . "-width";
+                        $sNewRuleName = $sBorderRule . '-width';
                     } else {
-                        $sNewRuleName = $sBorderRule . "-style";
+                        $sNewRuleName = $sBorderRule . '-style';
                     }
                 }
                 $oNewRule = new Rule($sNewRuleName, $oRule->getLineNo(), $oRule->getColNo());
@@ -789,7 +789,7 @@ public function render(OutputFormat $oOutputFormat): string
         $sResult = $oOutputFormat->comments($this);
         if (\count($this->aSelectors) === 0) {
             // If all the selectors have been removed, this declaration block becomes invalid
-            throw new OutputException("Attempt to print declaration block with missing selector", $this->iLineNo);
+            throw new OutputException('Attempt to print declaration block with missing selector', $this->iLineNo);
         }
         $sResult .= $oOutputFormat->sBeforeDeclarationBlock;
         $sResult .= $oOutputFormat->implode(
diff --git a/src/RuleSet/RuleSet.php b/src/RuleSet/RuleSet.php
@@ -63,7 +63,7 @@ public static function parseRuleSet(ParserState $oParserState, RuleSet $oRuleSet
                     $oRule = Rule::parse($oParserState);
                 } catch (UnexpectedTokenException $e) {
                     try {
-                        $sConsume = $oParserState->consumeUntil(["\n", ";", '}'], true);
+                        $sConsume = $oParserState->consumeUntil(["\n", ';', '}'], true);
                         // We need to “unfind” the matches to the end of the ruleSet as this will be matched later
                         if ($oParserState->streql(\substr($sConsume, -1), '}')) {
                             $oParserState->backtrack(1);
diff --git a/src/Value/CSSString.php b/src/Value/CSSString.php
@@ -47,7 +47,7 @@ public static function parse(ParserState $oParserState): CSSString
         if ($sQuote !== null) {
             $oParserState->consume($sQuote);
         }
-        $sResult = "";
+        $sResult = '';
         $sContent = null;
         if ($sQuote === null) {
             // Unquoted strings end in whitespace or with braces, brackets, parentheses
diff --git a/src/Value/Size.php b/src/Value/Size.php
@@ -203,9 +203,9 @@ public function render(OutputFormat $oOutputFormat): string
     {
         $l = \localeconv();
         $sPoint = \preg_quote($l['decimal_point'], '/');
-        $sSize = \preg_match("/[\\d\\.]+e[+-]?\\d+/i", (string) $this->fSize)
-            ? \preg_replace("/$sPoint?0+$/", "", \sprintf("%f", $this->fSize)) : $this->fSize;
-        return \preg_replace(["/$sPoint/", "/^(-?)0\\./"], ['.', '$1.'], $sSize)
+        $sSize = \preg_match('/[\\d\\.]+e[+-]?\\d+/i', (string) $this->fSize)
+            ? \preg_replace("/$sPoint?0+$/", '', \sprintf('%f', $this->fSize)) : $this->fSize;
+        return \preg_replace(["/$sPoint/", '/^(-?)0\\./'], ['.', '$1.'], $sSize)
             . ($this->sUnit ?? '');
     }
 }
diff --git a/src/Value/Value.php b/src/Value/Value.php
@@ -156,11 +156,11 @@ public static function parsePrimitiveValue(ParserState $oParserState)
             $oValue = Color::parse($oParserState);
         } elseif ($oParserState->comes("'") || $oParserState->comes('"')) {
             $oValue = CSSString::parse($oParserState);
-        } elseif ($oParserState->comes("progid:") && $oParserState->getSettings()->bLenientParsing) {
+        } elseif ($oParserState->comes('progid:') && $oParserState->getSettings()->bLenientParsing) {
             $oValue = self::parseMicrosoftFilter($oParserState);
-        } elseif ($oParserState->comes("[")) {
+        } elseif ($oParserState->comes('[')) {
             $oValue = LineName::parse($oParserState);
-        } elseif ($oParserState->comes("U+")) {
+        } elseif ($oParserState->comes('U+')) {
             $oValue = self::parseUnicodeRangeValue($oParserState);
         } else {
             $sNextChar = $oParserState->peek(1);
@@ -196,14 +196,14 @@ private static function parseMicrosoftFilter(ParserState $oParserState): CSSFunc
     private static function parseUnicodeRangeValue(ParserState $oParserState): string
     {
         $iCodepointMaxLength = 6; // Code points outside BMP can use up to six digits
-        $sRange = "";
-        $oParserState->consume("U+");
+        $sRange = '';
+        $oParserState->consume('U+');
         do {
             if ($oParserState->comes('-')) {
                 $iCodepointMaxLength = 13; // Max length is 2 six digit code points + the dash(-) between them
             }
             $sRange .= $oParserState->consume(1);
-        } while (\strlen($sRange) < $iCodepointMaxLength && \preg_match("/[A-Fa-f0-9\\?-]/", $oParserState->peek()));
+        } while (\strlen($sRange) < $iCodepointMaxLength && \preg_match('/[A-Fa-f0-9\\?-]/', $oParserState->peek()));
         return "U+{$sRange}";
     }
 
diff --git a/tests/OutputFormatTest.php b/tests/OutputFormatTest.php
@@ -90,7 +90,7 @@ public function spaceAfterListArgumentSeparator(): void
             '.main, .test {font: italic   normal   bold   16px/  1.2   '
             . '"Helvetica",  Verdana,  sans-serif;background: white;}'
             . "\n@media screen {.main {background-size: 100%   100%;font-size: 1.3em;background-color: #fff;}}",
-            $this->oDocument->render(OutputFormat::create()->setSpaceAfterListArgumentSeparator("  "))
+            $this->oDocument->render(OutputFormat::create()->setSpaceAfterListArgumentSeparator('  '))
         );
     }
 
diff --git a/tests/ParserTest.php b/tests/ParserTest.php
@@ -122,7 +122,7 @@ public function colorParsing(): void
                     'r' => new Size(10.0, null, true, $oColor->getLineNo()),
                     'g' => new Size(100.0, null, true, $oColor->getLineNo()),
                     'b' => new Size(231.0, null, true, $oColor->getLineNo()),
-                    'a' => new Size("0000.3", null, true, $oColor->getLineNo()),
+                    'a' => new Size('0000.3', null, true, $oColor->getLineNo()),
                 ], $oColor->getColor());
                 $aColorRule = $oRuleSet->getRules('outline-color');
                 $oColor = $aColorRule[0]->getValue();
@@ -225,7 +225,7 @@ public function unicodeParsing(): void
     public function unicodeRangeParsing(): void
     {
         $oDoc = self::parsedStructureForFile('unicode-range');
-        $sExpected = "@font-face {unicode-range: U+0100-024F,U+0259,U+1E??-2EFF,U+202F;}";
+        $sExpected = '@font-face {unicode-range: U+0100-024F,U+0259,U+1E??-2EFF,U+202F;}';
         self::assertSame($sExpected, $oDoc->render());
     }
 
@@ -240,23 +240,23 @@ public function specificity(): void
         $aSelectors = $oDeclarationBlock->getSelectors();
         foreach ($aSelectors as $oSelector) {
             switch ($oSelector->getSelector()) {
-                case "#test .help":
+                case '#test .help':
                     self::assertSame(110, $oSelector->getSpecificity());
                     break;
-                case "#file":
+                case '#file':
                     self::assertSame(100, $oSelector->getSpecificity());
                     break;
-                case ".help:hover":
+                case '.help:hover':
                     self::assertSame(20, $oSelector->getSpecificity());
                     break;
-                case "ol li::before":
+                case 'ol li::before':
                     self::assertSame(3, $oSelector->getSpecificity());
                     break;
-                case "li.green":
+                case 'li.green':
                     self::assertSame(11, $oSelector->getSpecificity());
                     break;
                 default:
-                    self::fail("specificity: untested selector " . $oSelector->getSelector());
+                    self::fail('specificity: untested selector ' . $oSelector->getSelector());
             }
         }
         self::assertEquals([new Selector('#test .help', true)], $oDoc->getSelectorsBySpecificity('> 100'));
@@ -734,7 +734,7 @@ public function gridLineNameInFile(): void
     {
         $oDoc = self::parsedStructureForFile('grid-linename', Settings::create()->withMultibyteSupport(true));
         $sExpected = "div {grid-template-columns: [linename] 100px;}\n"
-            . "span {grid-template-columns: [linename1 linename2] 100px;}";
+            . 'span {grid-template-columns: [linename1 linename2] 100px;}';
         self::assertSame($sExpected, $oDoc->render());
     }
 
@@ -754,7 +754,7 @@ public function emptyGridLineNameLenientInFile(): void
     public function invalidGridLineNameInFile(): void
     {
         $oDoc = self::parsedStructureForFile('invalid-grid-linename', Settings::create()->withMultibyteSupport(true));
-        $sExpected = "div {}";
+        $sExpected = 'div {}';
         self::assertSame($sExpected, $oDoc->render());
     }
 
@@ -1122,7 +1122,7 @@ public function commentExtracting(): void
         $importComments = $aNodes[0]->getComments();
         self::assertCount(2, $importComments);
         self::assertSame("*\n * Comments\n ", $importComments[0]->getComment());
-        self::assertSame(" Hell ", $importComments[1]->getComment());
+        self::assertSame(' Hell ', $importComments[1]->getComment());
 
         // Declaration block.
         $fooBarBlock = $aNodes[1];
@@ -1137,7 +1137,7 @@ public function commentExtracting(): void
         $fooBarRule = $fooBarRules[0];
         $fooBarRuleComments = $fooBarRule->getComments();
         self::assertCount(1, $fooBarRuleComments);
-        self::assertSame(" Number 6 ", $fooBarRuleComments[0]->getComment());
+        self::assertSame(' Number 6 ', $fooBarRuleComments[0]->getComment());
 
         // Media property.
         $mediaComments = $aNodes[2]->getComments();
@@ -1147,13 +1147,13 @@ public function commentExtracting(): void
         $mediaRules = $aNodes[2]->getContents();
         $fooBarComments = $mediaRules[0]->getComments();
         self::assertCount(1, $fooBarComments);
-        self::assertSame("* Number 10 *", $fooBarComments[0]->getComment());
+        self::assertSame('* Number 10 *', $fooBarComments[0]->getComment());
 
         // Media -> declaration -> rule.
         $fooBarRules = $mediaRules[0]->getRules();
         $fooBarChildComments = $fooBarRules[0]->getComments();
         self::assertCount(1, $fooBarChildComments);
-        self::assertSame("* Number 10b *", $fooBarChildComments[0]->getComment());
+        self::assertSame('* Number 10b *', $fooBarChildComments[0]->getComment());
     }
 
     /**
@@ -1167,7 +1167,7 @@ public function flatCommentExtracting(): void
         $divRules = $contents[0]->getRules();
         $comments = $divRules[0]->getComments();
         self::assertCount(1, $comments);
-        self::assertSame("Find Me!", $comments[0]->getComment());
+        self::assertSame('Find Me!', $comments[0]->getComment());
     }
 
     /**
@@ -1180,7 +1180,7 @@ public function topLevelCommentExtracting(): void
         $contents = $doc->getContents();
         $comments = $contents[0]->getComments();
         self::assertCount(1, $comments);
-        self::assertSame("Find Me!", $comments[0]->getComment());
+        self::assertSame('Find Me!', $comments[0]->getComment());
     }
 
     /**
@@ -1235,7 +1235,7 @@ public function scientificNotationSizeValuesInFile(): void
     public function lonelyImport(): void
     {
         $oDoc = self::parsedStructureForFile('lonely-import');
-        $sExpected = "@import url(\"example.css\") only screen and (max-width: 600px);";
+        $sExpected = '@import url("example.css") only screen and (max-width: 600px);';
         self::assertSame($sExpected, $oDoc->render());
     }
 
diff --git a/tests/RuleSet/LenientParsingTest.php b/tests/RuleSet/LenientParsingTest.php
@@ -81,7 +81,7 @@ public function endTokenPositive(): void
         $sFile = __DIR__ . '/../fixtures/-end-token.css';
         $oParser = new Parser(\file_get_contents($sFile), Settings::create()->withLenientParsing(true));
         $oResult = $oParser->parse();
-        self::assertSame("", $oResult->render());
+        self::assertSame('', $oResult->render());
     }
 
     /**
@@ -103,7 +103,7 @@ public function endToken2Positive(): void
      */
     public function localeTrap(): void
     {
-        \setlocale(LC_ALL, "pt_PT", "no");
+        \setlocale(LC_ALL, 'pt_PT', 'no');
         $sFile = __DIR__ . '/../fixtures/-fault-tolerance.css';
         $oParser = new Parser(\file_get_contents($sFile), Settings::create()->withLenientParsing(true));
         $oResult = $oParser->parse();

Original file line number	Diff line number	Diff line change
`@@ -92,6 +92,7 @@`
`92`	`92`	`'strict_param' => true,`
`93`	`93`
`94`	`94`	`// string notation`
	`95`	`+ 'single_quote' => true,`
`95`	`96`	`'string_implicit_backslashes' => ['single_quoted' => 'escape'],`
`96`	`97`	`]`
`97`	`98`	`);`
Original file line number	Diff line number	Diff line change
`@@ -92,7 +92,7 @@ public static function parseList(ParserState $oParserState, CSSList $oList): voi`
`92`	`92`	`}`
`93`	`93`	`$oList->addComments($aComments);`
`94`	`94`	`if (!$bIsRoot && !$bLenientParsing) {`
`95`		`- throw new SourceException("Unexpected end of document", $oParserState->currentLine());`
	`95`	`+ throw new SourceException('Unexpected end of document', $oParserState->currentLine());`
`96`	`96`	`}`
`97`	`97`	`}`
`98`	`98`
`@@ -133,7 +133,7 @@ private static function parseListItem(ParserState $oParserState, CSSList $oList)`
`133`	`133`	`if ($oParserState->getSettings()->bLenientParsing) {`
`134`	`134`	`return DeclarationBlock::parse($oParserState);`
`135`	`135`	`} else {`
`136`		`- throw new SourceException("Unopened {", $oParserState->currentLine());`
	`136`	`+ throw new SourceException('Unopened {', $oParserState->currentLine());`
`137`	`137`	`}`
`138`	`138`	`} else {`
`139`	`139`	`// End of list`
`@@ -205,11 +205,11 @@ private static function parseAtRule(ParserState $oParserState)`
`205`	`205`	`} else {`
`206`	`206`	`// Unknown other at rule (font-face or such)`
`207`	`207`	`$sArgs = \trim($oParserState->consumeUntil('{', false, true));`
`208`		`- if (\substr_count($sArgs, "(") != \substr_count($sArgs, ")")) {`
	`208`	`+ if (\substr_count($sArgs, '(') != \substr_count($sArgs, ')')) {`
`209`	`209`	`if ($oParserState->getSettings()->bLenientParsing) {`
`210`	`210`	`return null;`
`211`	`211`	`} else {`
`212`		`- throw new SourceException("Unmatched brace count in media query", $oParserState->currentLine());`
	`212`	`+ throw new SourceException('Unmatched brace count in media query', $oParserState->currentLine());`
`213`	`213`	`}`
`214`	`214`	`}`
`215`	`215`	`$bUseRuleSet = true;`
`@@ -375,7 +375,7 @@ public function removeDeclarationBlockBySelector($mSelector, $bRemoveAll = false`
`375`	`375`	`throw new UnexpectedTokenException(`
`376`	`376`	`"Selector did not match '" . Selector::SELECTOR_VALIDATION_RX . "'.",`
`377`	`377`	`$mSel,`
`378`		`- "custom"`
	`378`	`+ 'custom'`
`379`	`379`	`);`
`380`	`380`	`}`
`381`	`381`	`$mSel = new Selector($mSel);`
Original file line number	Diff line number	Diff line change
`@@ -258,7 +258,7 @@ public function indentWithTabs($iNumber = 1)`
`258`	`258`	`*/`
`259`	`259`	`public function indentWithSpaces($iNumber = 2)`
`260`	`260`	`{`
`261`		`- return $this->setIndentation(\str_repeat(" ", $iNumber));`
	`261`	`+ return $this->setIndentation(\str_repeat(' ', $iNumber));`
`262`	`262`	`}`
`263`	`263`
`264`	`264`	`/**`
`@@ -314,8 +314,8 @@ public static function create(): OutputFormat`
`314`	`314`	`public static function createCompact()`
`315`	`315`	`{`
`316`	`316`	`$format = self::create();`
`317`		`- $format->set('Space*Rules', "")`
`318`		`- ->set('Space*Blocks', "")`
	`317`	`+ $format->set('Space*Rules', '')`
	`318`	`+ ->set('Space*Blocks', '')`
`319`	`319`	`->setSpaceAfterRuleName('')`
`320`	`320`	`->setSpaceBeforeOpeningBrace('')`
`321`	`321`	`->setSpaceAfterSelectorSeparator('')`
Original file line number	Diff line number	Diff line change
`@@ -193,7 +193,7 @@ public function parseCharacter($bIsForIdentifier)`
`193`	`193`	`}`
`194`	`194`	`}`
`195`	`195`	`$iUnicode = \intval($sUnicode, 16);`
`196`		`- $sUtf32 = "";`
	`196`	`+ $sUtf32 = '';`
`197`	`197`	`for ($i = 0; $i < 4; ++$i) {`
`198`	`198`	`$sUtf32 .= \chr($iUnicode & 0xff);`
`199`	`199`	`$iUnicode = $iUnicode >> 8;`
Original file line number	Diff line number	Diff line change
`@@ -75,7 +75,7 @@ public function __toString(): string`
`75`	`75`
`76`	`76`	`public function render(OutputFormat $oOutputFormat): string`
`77`	`77`	`{`
`78`		`- return $oOutputFormat->comments($this) . "@import " . $this->oLocation->render($oOutputFormat)`
	`78`	`+ return $oOutputFormat->comments($this) . '@import ' . $this->oLocation->render($oOutputFormat)`
`79`	`79`	`. ($this->sMediaQuery === null ? '' : ' ' . $this->sMediaQuery) . ';';`
`80`	`80`	`}`
`81`	`81`
Original file line number	Diff line number	Diff line change
`@@ -78,7 +78,7 @@ public static function parse(ParserState $oParserState): Rule`
`78`	`78`	`{`
`79`	`79`	`$aComments = $oParserState->consumeWhiteSpace();`
`80`	`80`	`$oRule = new Rule(`
`81`		`- $oParserState->parseIdentifier(!$oParserState->comes("--")),`
	`81`	`+ $oParserState->parseIdentifier(!$oParserState->comes('--')),`
`82`	`82`	`$oParserState->currentLine(),`
`83`	`83`	`$oParserState->currentColumn()`
`84`	`84`	`);`
Original file line number	Diff line number	Diff line change
`@@ -47,7 +47,7 @@ public static function parse(ParserState $oParserState): CSSString`
`47`	`47`	`if ($sQuote !== null) {`
`48`	`48`	`$oParserState->consume($sQuote);`
`49`	`49`	`}`
`50`		`- $sResult = "";`
	`50`	`+ $sResult = '';`
`51`	`51`	`$sContent = null;`
`52`	`52`	`if ($sQuote === null) {`
`53`	`53`	`// Unquoted strings end in whitespace or with braces, brackets, parentheses`
Original file line number	Diff line number	Diff line change
`@@ -203,9 +203,9 @@ public function render(OutputFormat $oOutputFormat): string`
`203`	`203`	`{`
`204`	`204`	`$l = \localeconv();`
`205`	`205`	`$sPoint = \preg_quote($l['decimal_point'], '/');`
`206`		`- $sSize = \preg_match("/[\\d\\.]+e[+-]?\\d+/i", (string) $this->fSize)`
`207`		`- ? \preg_replace("/$sPoint?0+$/", "", \sprintf("%f", $this->fSize)) : $this->fSize;`
`208`		`- return \preg_replace(["/$sPoint/", "/^(-?)0\\./"], ['.', '$1.'], $sSize)`
	`206`	`+ $sSize = \preg_match('/[\\d\\.]+e[+-]?\\d+/i', (string) $this->fSize)`
	`207`	`+ ? \preg_replace("/$sPoint?0+$/", '', \sprintf('%f', $this->fSize)) : $this->fSize;`
	`208`	`+ return \preg_replace(["/$sPoint/", '/^(-?)0\\./'], ['.', '$1.'], $sSize)`
`209`	`209`	`. ($this->sUnit ?? '');`
`210`	`210`	`}`
`211`	`211`	`}`