echo gettype($week); #获取变量的类型
2019-10-060个赞
CREATE TABLE user ( id int(11) NOT NULL AUTO_INCREMENT, nafnleiks varchar(50), leiklysing varchar(3000), prentadi varchar(1500), notkunarheimildir varchar(1000), upplysingar varchar(1000), ymislegt varchar(500), PRIMARY KEY (id));
2019-10-070个赞
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>闰年计算器</title> <h4>请输入一个年份</h4> <tr /> <form> <input type="text" name="year"> <input type="submit" name="submit" value="submit"> </form> <?php $year = $_GET['year']; if(! is_numeric($year) ){ echo "请输入一个正确的年份数值"; } if (!($year%400) || (!($year %4) && (($year % 100)))) { echo "$year 是闰年"; }else{ echo "$year 是平年"; } ?>
2019-10-060个赞
所属章节课程:PHP流程控制之嵌套if...else...elseif结构
echo "抵达时间是" . $dida . "点" . "<br>";
2019-10-060个赞