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<?php // overriding an untyped parent constant with a typed one class A { public const VALUE = 42; // untyped } class B extends A { public const float VALUE = 42.5; // narrowing to `float` } echo "Parent type: " . gettype(A::VALUE) . "\n"; echo "Child value: " . B::VALUE . "\n";
Output for git.master, git.master_jit
Parent type: integer Child value: 42.5

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