BlockControlStructureSpacingSniff: Ignore if with alternative syntax

Author: kukulich

SlevomatCodingStandard/Sniffs/ControlStructures/AbstractControlStructureSpacing.php

@@ -326,6 +326,14 @@ private function findControlStructureEnd(File $phpcsFile, int $controlStructureP
 				throw new Exception('"if" without curly braces is not supported.');
 			}
 
+			$pointerAfterParenthesisCloser = TokenHelper::findNextEffective(
+				$phpcsFile,
+				$tokens[$controlStructurePointer]['parenthesis_closer'] + 1
+			);
+			if ($pointerAfterParenthesisCloser !== null && $tokens[$pointerAfterParenthesisCloser]['code'] === T_COLON) {
+				throw new Exception('"if" without curly braces is not supported.');
+			}
+
 			$controlStructureEndPointer = $tokens[$controlStructurePointer]['scope_closer'];
 			do {
 				$nextPointer = TokenHelper::findNextEffective($phpcsFile, $controlStructureEndPointer + 1);

tests/Sniffs/ControlStructures/BlockControlStructureSpacingSniffTest.php

@@ -384,6 +384,13 @@ public function testElseWithoutCurlyBraces(): void
 		self::assertSame(0, $report->getErrorCount());
 	}
 
+	public function testIfWithAlternativeSyntax(): void
+	{
+		$report = self::checkFile(__DIR__ . '/data/blockControlStructureSpacingIfWithAlternativeSyntax.php');
+
+		self::assertSame(0, $report->getErrorCount());
+	}
+
 	public function testAtTheEndOfFile(): void
 	{
 		$report = self::checkFile(__DIR__ . '/data/blockControlStructureSpacingAtTheEndOfFile.php');

tests/Sniffs/ControlStructures/data/blockControlStructureSpacingIfWithAlternativeSyntax.php

@@ -0,0 +1,6 @@
+<?php
+
+if (true):
+	return true;
+endif;
+min(0, 10);