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<?php $someString = implode(', ', function(){ return array('a', 'b', 'c'); });
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, Closure given in /in/CEN9E:2 Stack trace: #0 /in/CEN9E(2): implode(', ', Object(Closure)) #1 {main} thrown in /in/CEN9E on line 2
Process exited with code 255.

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