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<?php function fun(boolean $bool): boolean { return $bool; } do_the_thing((bool) true);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: "boolean" will be interpreted as a class name. Did you mean "bool"? Write "\boolean" to suppress this warning in /in/5vpOc on line 3 Warning: "boolean" will be interpreted as a class name. Did you mean "bool"? Write "\boolean" to suppress this warning in /in/5vpOc on line 3 Fatal error: Uncaught Error: Call to undefined function do_the_thing() in /in/5vpOc:4 Stack trace: #0 {main} thrown in /in/5vpOc on line 4
Process exited with code 255.

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