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<?php class a { protected $aa = 1; } class b extends a { protected $aa = 10; function foo() { $c = new c; $c->foo($this); } } class c extends a { function foo(b $b) { print_r($b->aa); } } $b = new b; $b->foo();
Output for 8.4.12 - 8.4.14, 8.4.16 - 8.4.18, 8.5.0 - 8.5.3
10
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.11
Fatal error: Uncaught Error: Cannot access protected property b::$aa in /in/abVRT:21 Stack trace: #0 /in/abVRT(13): c->foo(Object(b)) #1 /in/abVRT(26): b->foo() #2 {main} thrown in /in/abVRT on line 21
Process exited with code 255.
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
Fatal error: Cannot access protected property b::$aa in /in/abVRT on line 21
Process exited with code 255.

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