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<?php $constant = 'STDIN'; var_dump(constant($constant)); fclose($constant); var_dump(constant($constant));
Output for git.master, git.master_jit, rfc.property-hooks
resource(1) of type (stream) Fatal error: Uncaught TypeError: fclose(): Argument #1 ($stream) must be of type resource, string given in /in/QAI0q:4 Stack trace: #0 /in/QAI0q(4): fclose('STDIN') #1 {main} thrown in /in/QAI0q on line 4
Process exited with code 255.

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