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Fixed Input filtering bug with boolean values

Discussion in 'Resolved Bug Reports' started by thedude, Aug 21, 2015.

  1. thedude

    thedude Well-Known Member

    The following code returns false instead of true
    $value = $this->_input->filterSingle('non_existent_variable', XenForo_Input::BOOLEAN, array('default' => true));
    At the end of XenForo_Input::filterSingle, _doClean is called.

    _doClean contains the following code:
    case self::BOOLEAN:
    if ($data === 'n' || $data == 'no' || $data === 'N')
        $data = false;
    The loose comparison of $data to 'no' results in a true comparison (any non-empty string will loosely equal true), which will then set $data to equal false. Changing the comparison for 'no' to strict (===) fixes this issue.
    Last edited: Aug 21, 2015
  2. Mike

    Mike XenForo Developer Staff Member

    This is fixed now, thanks.

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