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<?php class A { private static $a = 1; private static function a() {} public static function test() { var_dump(self::$a); var_dump(B::$a); var_dump(static::$a); } } class B extends A { protected static $a = 2; protected static function a() {} } class C extends B { public static $a = 3; public static function a() {} } C::test(); C::a();
Output for 8.1.32, 8.2.25 - 8.2.29, 8.3.5 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
int(1) int(2) int(3)
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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