MFB: Fixed bug #39884 (ReflectionParameter::getClass() throws exception for

type hint self).

diff --git a/ext/reflection/php_reflection.c b/ext/reflection/php_reflection.c
index 2d1d8406d8940bf256d101f51351d2587f2fe15a..b76d775dca22d82f855c943c81aae7eda74cec63 100644 (file)
--- a/ext/reflection/php_reflection.c
+++ b/ext/reflection/php_reflection.c
@@ -2009,7 +2009,41 @@ ZEND_METHOD(reflection_parameter, getClass)
        GET_REFLECTION_OBJECT_PTR(param);
 
        if (param->arg_info->class_name.v) {
-               if (zend_u_lookup_class_ex(UG(unicode)?IS_UNICODE:IS_STRING, param->arg_info->class_name, param->arg_info->class_name_len, 1, 1, &pce TSRMLS_CC) == FAILURE) {
+
+               /* Class name is stored as a string, we might also get "self" or "parent"
+                * - For "self", simply use the function scope. If scope is NULL then
+                *   the function is global and thus self does not make any sense
+                *
+                * - For "parent", use the function scope's parent. If scope is NULL then
+                *   the function is global and thus parent does not make any sense.
+                *   If the parent is NULL then the class does not extend anything and
+                *   thus parent does not make any sense, either.
+                *
+                * TODO: Think about moving these checks to the compiler or some sort of
+                * lint-mode.
+                */
+               if (0 == strncmp(param->arg_info->class_name.v, "self", sizeof("self")- 1)) {
+                       zend_class_entry *ce= param->fptr->common.scope;
+                       if (!ce) {
+                          zend_throw_exception_ex(reflection_exception_ptr, 0 TSRMLS_CC, 
+                                  "Parameter uses 'self' as type hint but function is not a class member!");
+                          return;
+                       }
+                       pce= &ce;
+               } else if (0 == strncmp(param->arg_info->class_name.v, "parent", sizeof("parent")- 1)) {
+                       zend_class_entry *ce= param->fptr->common.scope;
+                       if (!ce) {
+                          zend_throw_exception_ex(reflection_exception_ptr, 0 TSRMLS_CC, 
+                                  "Parameter uses 'parent' as type hint but function is not a class member!");
+                          return;
+                       }
+                       if (!ce->parent) {
+                          zend_throw_exception_ex(reflection_exception_ptr, 0 TSRMLS_CC, 
+                                  "Parameter uses 'parent' as type hint although class does not have a parent!");
+                          return;
+                       }
+                       pce= &ce->parent;
+               } else if (zend_u_lookup_class_ex(UG(unicode)?IS_UNICODE:IS_STRING, param->arg_info->class_name, param->arg_info->class_name_len, 1, 1, &pce TSRMLS_CC) == FAILURE) {
                        zend_throw_exception_ex(reflection_exception_ptr, 0 TSRMLS_CC, 
                                "Class %v does not exist", param->arg_info->class_name);
                        return;

diff --git a/ext/reflection/tests/bug39884.phpt b/ext/reflection/tests/bug39884.phpt
new file mode 100644 (file)
index 0000000..dbc57ee
--- /dev/null
+++ b/ext/reflection/tests/bug39884.phpt
@@ -0,0 +1,22 @@
+--TEST--
+Bug #39884 (ReflectionParameter::getClass() throws exception for type hint self)
+--FILE--
+<?php
+class stubParamTest
+{
+    function paramTest(self $param)
+    {
+        // nothing to do
+    }
+}
+$test1 = new stubParamTest();
+$test2 = new stubParamTest();
+$test1->paramTest($test2);
+$refParam = new ReflectionParameter(array('stubParamTest', 'paramTest'), 'param');
+var_dump($refParam->getClass());
+?>
+--EXPECT--     
+object(ReflectionClass)#4 (1) {
+  ["name"]=>
+  string(13) "stubParamTest"
+}