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<?php class Foo { function __toString() { return '42'; } } var_dump(round(new Foo, 2));
Output for rfc.property-hooks, git.master, git.master_jit
Fatal error: Uncaught TypeError: round(): Argument #1 ($num) must be of type int|float, Foo given in /in/14uHo:9 Stack trace: #0 /in/14uHo(9): round(Object(Foo), 2) #1 {main} thrown in /in/14uHo on line 9
Process exited with code 255.

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