复制代码 代码如下:

/**

* 获取指定日期所在月的开始日期与结束日期

* @param string $date

* @param boolean 为true返回开始日期，否则返回结束日期

* @return array

* @access private

*/

private function getMonthRange( $date, $returnFirstDay = true ) {

$timestamp = strtotime( $date );

if ( $returnFirstDay ) {

$monthFirstDay = date( 'Y-m-1 00:00:00', $timestamp );

return $monthFirstDay;

} else {

$mdays = date( 't', $timestamp );

$monthLastDay = date( 'Y-m-' . $mdays . ' 23:59:59', $timestamp );

return $monthLastDay;

}

}