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<?php var_dump(is_nan('NAN'));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: is_nan(): Argument #1 ($num) must be of type float, string given in /in/stR0i:3 Stack trace: #0 /in/stR0i(3): is_nan('NAN') #1 {main} thrown in /in/stR0i on line 3
Process exited with code 255.

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