/*
 * 切分时间段函数
 * beginTime->开始时间时间戳
 * endTime->结束时间时间戳
 * type->[1]按年分;[2]按月分;[3]按天分
 * 返回二维数组
 *        arr[]['beginTime']->开始时间
 *        arr[]['endTime']->结束时间
 *        arr[]['date']->相应date
 * */
if (!function_exists('sliceTime')) {
    function sliceTime($beginTime, $endTime, $type)
    {

        $arr = array();
        $sub = 0;
        $beginY = date('Y', $beginTime);
        $beginM = date('m', $beginTime);
        $beginD = date('d', $beginTime);
        $endY = date('Y', $endTime);
        $endM = date('m', $endTime);
        $endD = date('d', $endTime);
        $duringY = $endY - $beginY;
        $duringM = 12 - $beginM + $endM + ($duringY - 1) * 12;
        $arr[$sub]['beginTime'] = $beginTime;

        switch ($type) {
            case '1': {
                for ($n = 0; $n < $duringY; $n++) {
                    $arr[$sub]['endTime'] = mktime(23, 59, 59, 12, 31, $beginY++);
                    $arr[$sub]['date'] = date('Y', $arr[$sub]['endTime']);
                    $sub++;
                    $arr[$sub]['beginTime'] = mktime(0, 0, 0, 1, 1, $beginY);
                }
                $arr[$sub]['endTime'] = $endTime;
                $arr[$sub]['date'] = date('Y', $arr[$sub]['endTime']);
                break;
            }
            case '2': {
                $beginYY = $beginY;
                for ($a = 0; $a < $duringM; $a++) {
                    $m = $a + $beginM;
                    $numM = date('t', strtotime($beginY . '-' . (($m % 12) ? ($m % 12) : 12) . '-1'));
                    $arr[$sub]['endTime'] = mktime(23, 59, 59, $m, $numM, $beginYY);
                    $arr[$sub]['date'] = date('Y-m', $arr[$sub]['endTime']);
                    $m += 1;
                    $sub++;
                    $arr[$sub]['beginTime'] = strtotime($beginY . '-' . (($m % 12) ? ($m % 12) : 12));
                    if ((($m % 12) == 0) && ($m / 12) >= 1) {
                        $beginY++;
                    }
                }
                $arr[$sub]['endTime'] = $endTime;
                $arr[$sub]['date'] = date('Y-m', $arr[$sub]['endTime']);
                break;
            }
            case '3': {
                for ($bY = $beginY; $bY <= $endY; $bY++) {
                    $bM = 1;
                    $eM = 12;
                    if ($bY == $beginY) {
                        $bM = $beginM;
                    }
                    if ($bY == $endY) {
                        $eM = $endM;
                    }
                    for ($mm = $bM; $mm <= $eM; $mm++) {
                        $bD = 1;
                        $eD = date('t', strtotime($bY . '-' . (($mm % 12) ? ($mm % 12) : 12) . '-1'));
                        if ($bY == $beginY && $mm == $beginM) {
                            $bD = $beginD;
                        }
                        if ($bY == $endY && $mm == $endM) {
                            $eD = $endD;
                        }
                        for ($dd = $bD; $dd <= $eD;) {
                            if ($bY == $endY && $mm == $endM && $dd == $eD) {
                                break;
                            }
                            $arr[$sub]['endTime'] = mktime(23, 59, 59, (($mm % 12) ? ($mm % 12) : 12), $dd, $bY);
                            $arr[$sub]['date'] = date('Y-m-d', $arr[$sub]['endTime']);
                            $sub++;
                            $dd++;
                            $arr[$sub]['beginTime'] = mktime(0, 0, 0, (($mm % 12) ? ($mm % 12) : 12), $dd, $bY);
                        }

                    }
                }
                $arr[$sub]['endTime'] = $endTime;
                $arr[$sub]['date'] = date('Y-m-d', $arr[$sub]['endTime']);
                break;
            }
        }
        return $arr;
    }
}