Add support for adding the #[\Deprecated] attribute to class constants to stubs

Author: TimWolla

build/gen_stub.php

@@ -2861,6 +2861,13 @@ protected function getFlagsByPhpVersion(): array
             $flags = $this->addFlagForVersionsAbove($flags, "ZEND_ACC_DEPRECATED", PHP_80_VERSION_ID);
         }
 
+        foreach ($this->attributes as $attr) {
+            if ($attr->class === "Deprecated") {
+                $flags = $this->addFlagForVersionsAbove($flags, "ZEND_ACC_DEPRECATED", PHP_80_VERSION_ID);
+                break;
+            }
+        }
+
         if ($this->flags & Modifiers::FINAL) {
             $flags = $this->addFlagForVersionsAbove($flags, "ZEND_ACC_FINAL", PHP_81_VERSION_ID);
         }

ext/zend_test/test.stub.php

@@ -43,6 +43,9 @@ class _ZendTestClass implements _ZendTestInterface {
          */
         public const int ZEND_TEST_DEPRECATED = 42;
 
+        #[\Deprecated(message: "custom message")]
+        public const int ZEND_TEST_DEPRECATED_ATTR = 42;
+
         /** @var mixed */
         public static $_StaticProp;
         public static int $staticIntProp = 123;

ext/zend_test/test_arginfo.h

@@ -9,6 +9,14 @@ zend_test_deprecated_attr();
 
 $reflection = new ReflectionFunction('zend_test_deprecated_attr');
 var_dump($reflection->getAttributes()[0]->newInstance());
+var_dump($reflection->isDeprecated());
+
+_ZendTestClass::ZEND_TEST_DEPRECATED_ATTR;
+
+$reflection = new ReflectionClassConstant('_ZendTestClass', 'ZEND_TEST_DEPRECATED_ATTR');
+var_dump($reflection->getAttributes()[0]->newInstance());
+var_dump($reflection->isDeprecated());
+
 ?>
 --EXPECTF--
 Deprecated: Function zend_test_deprecated() is deprecated in %s on line %d
@@ -18,3 +26,11 @@ object(Deprecated)#%d (1) {
   ["message"]=>
   string(14) "custom message"
 }
+bool(true)
+
+Deprecated: Constant _ZendTestClass::ZEND_TEST_DEPRECATED_ATTR is deprecated, custom message in %s on line %d
+object(Deprecated)#%d (1) {
+  ["message"]=>
+  string(14) "custom message"
+}
+bool(true)