Bug #79373 [NEW]: uninitialized typed property cannot accessed in __get magic method
From: consatan at gmail dot com
Operating system: Linux
PHP version: 7.4.3
Package: Class/Object related
Bug Type: Bug
Bug description:uninitialized typed property cannot accessed in __get magic method
Description:
------------
A uninitialized typed property cannot accessed in __get method until
unset() it. Test on 7.4.0~7.4.3, 7.4.0 is works.
Test script:
---------------
<?php
class Foo {
public int $bar;
public function __get($name) {
if ('bar' === $name) {
return $this->bar = 1;
}
}
}
$foo1 = new Foo();
var_dump($foo1);
var_dump($foo1->bar);
$foo2 = new Foo();
var_dump($foo2);
unset($foo2->bar);
var_dump($foo2);
var_dump($foo2->bar);
Expected result:
----------------
object(Foo)#1 (0) {
["bar"]=>
uninitialized(int)
}
int(1)
object(Foo)#2 (0) {
["bar"]=>
uninitialized(int)
}
object(Foo)#2 (0) {
["bar"]=>
uninitialized(int)
}
int(1)
Actual result:
--------------
object(Foo)#1 (0) {
["bar"]=>
uninitialized(int)
}
Warning: Uncaught Error: Typed property Foo::$bar must not be accessed
before initialization in php shell code:1
Stack trace:
#0 {main}
thrown in php shell code on line 1
object(Foo)#2 (0) {
["bar"]=>
uninitialized(int)
}
object(Foo)#2 (0) {
["bar"]=>
uninitialized(int)
}
int(1)
--
Edit bug report at https://bugs.php.net/bug.php?id=79373&edit=1
--
Fix committed: https://bugs.php.net/fix.php?id=79373&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=79373&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=79373&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=79373&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=79373&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=79373&r=support
Expected behavior: https://bugs.php.net/fix.php?id=79373&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=79373&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=79373&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=79373&r=globals
PHP version support discontinued: https://bugs.php.net/fix.php?id=79373&r=phptooold
Daylight Savings: https://bugs.php.net/fix.php?id=79373&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=79373&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=79373&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=79373&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=79373&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=79373&r=mysqlcfg
Thread (4 messages)
- consatan at gmail dot com