Add support for #[\Deprecated] to stubs

Author: TimWolla

build/gen_stub.php

@@ -1579,6 +1579,13 @@ private function getArginfoFlagsByPhpVersions(): array
             $flags[] = "ZEND_ACC_DEPRECATED";
         }
 
+        foreach ($this->attributes as $attr) {
+            if ($attr->class === "Deprecated") {
+                $flags[] = "ZEND_ACC_DEPRECATED";
+                break;
+            }
+        }
+
         $php82AndAboveFlags = $flags;
         if ($this->isMethod() === false && $this->supportsCompileTimeEval) {
             $php82AndAboveFlags[] = "ZEND_ACC_COMPILE_TIME_EVAL";

ext/zend_test/test.c

@@ -121,6 +121,11 @@ static ZEND_FUNCTION(zend_test_deprecated)
 	zend_parse_parameters(ZEND_NUM_ARGS(), "|z", &arg1);
 }
 
+static ZEND_FUNCTION(zend_test_deprecated_attr)
+{
+	ZEND_PARSE_PARAMETERS_NONE();
+}
+
 /* Create a string without terminating null byte. Must be terminated with
  * zend_terminate_string() before destruction, otherwise a warning is issued
  * in debug builds. */

ext/zend_test/test.stub.php

@@ -194,6 +194,9 @@ function zend_test_compile_string(string $source_string, string $filename, int $
     /** @deprecated */
     function zend_test_deprecated(mixed $arg = null): void {}
 
+    #[\Deprecated]
+    function zend_test_deprecated_attr(): void {}
+
     /** @alias zend_test_void_return */
     function zend_test_aliased(): void {}
 

ext/zend_test/test_arginfo.h

@@ -0,0 +1,13 @@
+--TEST--
+#[\Deprecated]: Works in stubs.
+--EXTENSIONS--
+zend_test
+--FILE--
+<?php
+zend_test_deprecated();
+zend_test_deprecated_attr();
+?>
+--EXPECTF--
+Deprecated: Function zend_test_deprecated() is deprecated in %s on line %d
+
+Deprecated: Function zend_test_deprecated_attr() is deprecated in %s on line %d