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<?php var_dump(sqrt("-2")); var_dump(sqrt("string"));
Output for git.master, git.master_jit, rfc.property-hooks
float(NAN) Fatal error: Uncaught TypeError: sqrt(): Argument #1 ($num) must be of type float, string given in /in/97ANK:5 Stack trace: #0 /in/97ANK(5): sqrt('string') #1 {main} thrown in /in/97ANK on line 5
Process exited with code 255.

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