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<?php class B { protected const c = 1; } class C1 extends B { function f(B $x) { return $x::c; } } class C2 extends B { protected const c = 2; } var_dump((new C1)->f(new C2));
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Fatal error: Uncaught Error: Cannot access protected constant C2::c in /in/jXm6U:9 Stack trace: #0 /in/jXm6U(17): C1->f(Object(C2)) #1 {main} thrown in /in/jXm6U on line 9
Process exited with code 255.
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.
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