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<?php interface Vendor { public function make(); } class Samsung implements Vendor{ public function make() :string { return "This is Samsung product"; } } class Galaxy extends Samsung { public function make() { return new Samsung(); } } $vendor = new Samsung(); echo $vendor->make();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of Galaxy::make() must be compatible with Samsung::make(): string in /in/W4l0H on line 13
Process exited with code 255.

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