<?php // Return true to win function foo($value) { return $value !== $value; } // false var_dump(foo(false)); var_dump(foo(1)); var_dump(foo(1.0)); var_dump(foo(!0)); var_dump(foo('')); var_dump(foo(true)); var_dump(foo([])); var_dump(foo((float)1.09876544567543456)); // true var_dump(foo(NAN)); // Score 3
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