Merge branch 'disallow-multiple-assignments' of https://github.com/kukulich/PHP_CodeSniffer

Author: gsherwood

src/Standards/Squiz/Sniffs/PHP/DisallowMultipleAssignmentsSniff.php

@@ -43,7 +43,7 @@ public function process(File $phpcsFile, $stackPtr)
         $tokens = $phpcsFile->getTokens();
 
         // Ignore default value assignments in function definitions.
-        $function = $phpcsFile->findPrevious([T_FUNCTION, T_CLOSURE], ($stackPtr - 1), null, false, null, true);
+        $function = $phpcsFile->findPrevious([T_FUNCTION, T_CLOSURE, T_FN], ($stackPtr - 1), null, false, null, true);
         if ($function !== false) {
             $opener = $tokens[$function]['parenthesis_opener'];
             $closer = $tokens[$function]['parenthesis_closer'];
@@ -83,6 +83,12 @@ public function process(File $phpcsFile, $stackPtr)
         */
 
         for ($varToken = ($stackPtr - 1); $varToken >= 0; $varToken--) {
+            if (in_array($tokens[$varToken]['code'], [T_SEMICOLON, T_OPEN_CURLY_BRACKET], true) === true) {
+                // We've reached the next statement, so we
+                // didn't find a variable.
+                return;
+            }
+
             // Skip brackets.
             if (isset($tokens[$varToken]['parenthesis_opener']) === true && $tokens[$varToken]['parenthesis_opener'] < $varToken) {
                 $varToken = $tokens[$varToken]['parenthesis_opener'];
@@ -94,12 +100,6 @@ public function process(File $phpcsFile, $stackPtr)
                 continue;
             }
 
-            if ($tokens[$varToken]['code'] === T_SEMICOLON) {
-                // We've reached the next statement, so we
-                // didn't find a variable.
-                return;
-            }
-
             if ($tokens[$varToken]['code'] === T_VARIABLE) {
                 // We found our variable.
                 break;
@@ -146,6 +146,7 @@ public function process(File $phpcsFile, $stackPtr)
 
         if ($tokens[$varToken]['code'] === T_VARIABLE
             || $tokens[$varToken]['code'] === T_OPEN_TAG
+            || $tokens[$varToken]['code'] === T_GOTO_LABEL
             || $tokens[$varToken]['code'] === T_INLINE_THEN
             || $tokens[$varToken]['code'] === T_INLINE_ELSE
             || $tokens[$varToken]['code'] === T_SEMICOLON

src/Standards/Squiz/Tests/PHP/DisallowMultipleAssignmentsUnitTest.inc

@@ -87,3 +87,24 @@ $array = [
         false => 0
     },
 ];
+
+$arrow_function = fn ($a = null) => $a;
+
+function ($html) {
+    $regEx = '/regexp/';
+
+    return preg_replace_callback($regEx, function ($matches) {
+        [$all] = $matches;
+        return $all;
+    }, $html);
+};
+
+
+function () {
+    $a = false;
+
+    some_label:
+
+    $b = getB();
+};
+