xonge
6/5/2015 - 3:00 AM

判断是否为空

判断是否为空

CommonUtil.php
content_copyfile_download
static function trimString($value){
		$ret = null;
		if (null != $value) {
			$ret = $value;
			if (strlen($ret) == 0) {
				$ret = null;
			}
		}
		return $ret;
	}