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<?php $a = new DateInterval('P2Y4DT6H8M'); //manually, not from DateTime::diff() var_dump($a); // $a->days === false var_dump($a->days); // $a->days === -99999 ?! var_dump($a === false); // false
Output for git.master, git.master_jit, rfc.property-hooks
object(DateInterval)#1 (10) { ["y"]=> int(2) ["m"]=> int(0) ["d"]=> int(4) ["h"]=> int(6) ["i"]=> int(8) ["s"]=> int(0) ["f"]=> float(0) ["invert"]=> int(0) ["days"]=> bool(false) ["from_string"]=> bool(false) } bool(false) bool(false)

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