PHP 8.1: File::getMemberProperties() detects if property is readonly

Author: kukulich

src/Files/File.php

@@ -1811,13 +1811,15 @@ public function getMemberProperties($stackPtr)
             T_PROTECTED => T_PROTECTED,
             T_STATIC    => T_STATIC,
             T_VAR       => T_VAR,
+            T_READONLY  => T_READONLY,
         ];
 
         $valid += Util\Tokens::$emptyTokens;
 
         $scope          = 'public';
         $scopeSpecified = false;
         $isStatic       = false;
+        $isReadonly     = false;
 
         $startOfStatement = $this->findPrevious(
             [
@@ -1850,6 +1852,9 @@ public function getMemberProperties($stackPtr)
             case T_STATIC:
                 $isStatic = true;
                 break;
+            case T_READONLY:
+                $isReadonly = true;
+                break;
             }
         }//end for
 
@@ -1901,6 +1906,7 @@ public function getMemberProperties($stackPtr)
             'scope'           => $scope,
             'scope_specified' => $scopeSpecified,
             'is_static'       => $isStatic,
+            'is_readonly'     => $isReadonly,
             'type'            => $type,
             'type_token'      => $typeToken,
             'type_end_token'  => $typeEndToken,

tests/Core/File/GetMemberPropertiesTest.inc

@@ -239,6 +239,11 @@ $anon = class() {
     /* testPHP8DuplicateTypeInUnionWhitespaceAndComment */
     // Intentional fatal error - duplicate types are not allowed in union types, but that's not the concern of the method.
     public int |string| /*comment*/ INT $duplicateTypeInUnion;
+
+    /* testPHP81NotReadonly */
+    private string $notReadonly;
+    /* testPHP81Readonly */
+    public readonly int $readonly;
 };
 
 $anon = class {

tests/Core/File/GetMemberPropertiesTest.php

@@ -610,6 +610,28 @@ public function dataGetMemberProperties()
                     'nullable_type'   => false,
                 ],
             ],
+            [
+                '/* testPHP81NotReadonly */',
+                [
+                    'scope'           => 'private',
+                    'scope_specified' => true,
+                    'is_static'       => false,
+                    'is_readonly'     => false,
+                    'type'            => 'string',
+                    'nullable_type'   => false,
+                ],
+            ],
+            [
+                '/* testPHP81Readonly */',
+                [
+                    'scope'           => 'public',
+                    'scope_specified' => true,
+                    'is_static'       => false,
+                    'is_readonly'     => true,
+                    'type'            => 'int',
+                    'nullable_type'   => false,
+                ],
+            ],
             [
                 '/* testPHP8PropertySingleAttribute */',
                 [