SingleLineArrayWhitespaceSniff: Fixed false positive

Author: kukulich

SlevomatCodingStandard/Sniffs/Arrays/SingleLineArrayWhitespaceSniff.php

@@ -146,6 +146,10 @@ private function checkWhitespaceBeforeComma(File $phpcsFile, int $comma): void
 			return;
 		}
 
+		if ($tokens[$comma - 2]['code'] === T_COMMA) {
+			return;
+		}
+
 		$error = sprintf('Expected 0 spaces between "%s" and comma, %d found.', $tokens[$comma - 2]['content'], $tokens[$comma - 1]['length']);
 		$fix = $phpcsFile->addFixableError($error, $comma, self::CODE_SPACE_BEFORE_COMMA);
 		if (!$fix) {

tests/Sniffs/Arrays/data/singleLineArrayWhitespaceNoErrors.php

@@ -22,3 +22,5 @@
 
 $array = [1, run([1, 2], 3)];
 $array = [1,];
+
+[$a, , $c] = $array;