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authorDaniil Gentili <daniil@daniil.it>2021-01-13 10:43:54 +0100
committerNikita Popov <nikita.ppv@gmail.com>2021-01-14 10:04:27 +0100
commitf9fbba41b66e0e9ccd40ff064d00cfe987c2c5bb (patch)
tree71ddea061bd4c5a2b9e0f2edbe55dc077f103198
parent3edf5c969a9f5f3290852ab9edf61a876fca63d0 (diff)
downloadphp-git-f9fbba41b66e0e9ccd40ff064d00cfe987c2c5bb.tar.gz
Fixed bug #80596: Fix anonymous class union typehint errors
Cut off part after null byte when resolving the class name, to avoid cutting off a larger part lateron. Closes GH-6601.
-rw-r--r--NEWS2
-rw-r--r--Zend/tests/type_declarations/union_types/anonymous_class.phpt30
-rw-r--r--Zend/zend_compile.c16
3 files changed, 45 insertions, 3 deletions
diff --git a/NEWS b/NEWS
index 60172e52e2..de07189a17 100644
--- a/NEWS
+++ b/NEWS
@@ -6,6 +6,8 @@ PHP NEWS
. Fixed bug #80523 (bogus parse error on >4GB source code). (Nikita)
. Fixed bug #80384 (filter buffers entire read until file closed). (Adam
Seitz, cmb)
+ . Fixed bug #80596 (Invalid union type TypeError in anonymous classes).
+ (Daniil Gentili)
- BCMath:
. Fixed bug #80545 (bcadd('a', 'a') doesn't throw an exception).
diff --git a/Zend/tests/type_declarations/union_types/anonymous_class.phpt b/Zend/tests/type_declarations/union_types/anonymous_class.phpt
new file mode 100644
index 0000000000..1e009f22b0
--- /dev/null
+++ b/Zend/tests/type_declarations/union_types/anonymous_class.phpt
@@ -0,0 +1,30 @@
+--TEST--
+Union with anonymous class type
+--FILE--
+<?php
+
+$a = new class {
+ public function testParam(self|string $a)
+ {
+ }
+ public function test(): self|string
+ {
+ return new \stdClass;
+ }
+};
+
+try {
+ $a->testParam(null);
+} catch (\Throwable $e) {
+ echo $e->getMessage()."\n";
+}
+
+try {
+ $a->test();
+} catch (\Throwable $e) {
+ echo $e->getMessage()."\n";
+}
+?>
+--EXPECTF--
+class@anonymous(): Argument #1 ($a) must be of type class@anonymous|string, null given, called in %s on line %d
+class@anonymous::test(): Return value must be of type class@anonymous|string, stdClass returned
diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index 83942be570..e7f2b0b04a 100644
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -1167,7 +1167,15 @@ static zend_string *resolve_class_name(zend_string *name, zend_class_entry *scop
name = scope->parent->name;
}
}
- return name;
+
+ /* The resolved name for anonymous classes contains null bytes. Cut off everything after the
+ * null byte here, to avoid larger parts of the type being omitted by printing code later. */
+ size_t len = strlen(ZSTR_VAL(name));
+ if (len != ZSTR_LEN(name)) {
+ ZEND_ASSERT(scope && "This should only happen with resolved types");
+ return zend_string_init(ZSTR_VAL(name), len, 0);
+ }
+ return zend_string_copy(name);
}
zend_string *zend_type_to_string_resolved(zend_type type, zend_class_entry *scope) {
@@ -1179,11 +1187,13 @@ zend_string *zend_type_to_string_resolved(zend_type type, zend_class_entry *scop
if (ZEND_TYPE_HAS_CE(*list_type)) {
str = add_type_string(str, ZEND_TYPE_CE(*list_type)->name);
} else {
- str = add_type_string(str, resolve_class_name(ZEND_TYPE_NAME(*list_type), scope));
+ zend_string *resolved = resolve_class_name(ZEND_TYPE_NAME(*list_type), scope);
+ str = add_type_string(str, resolved);
+ zend_string_release(resolved);
}
} ZEND_TYPE_LIST_FOREACH_END();
} else if (ZEND_TYPE_HAS_NAME(type)) {
- str = zend_string_copy(resolve_class_name(ZEND_TYPE_NAME(type), scope));
+ str = resolve_class_name(ZEND_TYPE_NAME(type), scope);
} else if (ZEND_TYPE_HAS_CE(type)) {
str = zend_string_copy(ZEND_TYPE_CE(type)->name);
}