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<?php $NaN = sqrt(-1); var_dump($NaN === $NaN); var_dump(array($NaN) === array($NaN)); $a = array($NaN); $b = $a; var_dump($a === $b); reset($b); var_dump($a === $b);
Output for rfc.property-hooks, git.master, git.master_jit
bool(false) bool(false) bool(true) bool(false)

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