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<?php class A { const selfN = self::N; const N = 'A'; } class B extends A { const N = 'B'; } class C extends A { const N = 'C'; } var_dump(B::selfN); // A var_dump(C::selfN); // A
Output for 7.1.4 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
string(1) "A" string(1) "A"
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.3
string(1) "B" string(1) "B"
preferences:
71.4 ms | 407 KiB | 5 Q