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<?php class ClassWithToString { public function __toString(): string { return 'foo'; } } $c = new ClassWithToString(); var_dump($c++);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Cannot increment ClassWithToString in /in/oXvs8:12 Stack trace: #0 {main} thrown in /in/oXvs8 on line 12
Process exited with code 255.

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