100分简单时间问题! 可以用switch()函数来判断。。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 date函数有啊???echo date("t",mktime(0,0,0,1,1,2008)); <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>无标题文档</title></head><body><form id="form1" name="form1" method="post" action="getnum.php"> <input type="text" name="date" /> <input type="submit" name="sbt" value="查看多少天" /></form></body></html><?php$date=$_POST['date'];$arr=explode('-',$date);//print_r($arr);$arr1= array(01,03,05,07,08,10,12);$arr2= array(04,06,09,11);$arr3= array(02);$judge1=trim(array_search($arr[1],$arr1));$judge2=trim(array_search($arr[1],$arr2));$judge3=trim(array_search($arr[1],$arr3));if(!empty($judge1)){echo '<script language="javascript">alert("当月有31天");</script>';}if(!empty($judge2)){echo '<script language="javascript">alert("当月有30天");</script>';}if($judge3==0){ echo "执行拉!"; if(fmod($arr[0],4)==0){echo '<script language="javascript">alert("当月有29天");</script>';}else{echo '<script language="javascript">alert("当月有28天");</script>';}}?>复杂点的 //获取本月最后一天 $lastday = date("d",mktime(0, 0, 0, 02, 0, 2009)); echo $lastday; 发表于:2009-03-07 13:43:489楼 得分:0 //获取本月最后一天 $lastday = date("d",mktime(0, 0, 0, 02, 0, 2009)); echo $lastday;+++++++++++++++++++++++++++++++++++++++++++++++正确的如下://获取本月最后一天 echo date("t",mktime(0, 0, 0, 3, 1, 2009)); <?php// 默认为当前月天数function z($str=''){ return $str ? date("t", strtotime($str)) : date("t");}echo z();echo z('2008-01-01');echo z('2009-2-1');echo z('1990-12-28');?> PHP插入图片到数据库,代码怎么写?怎么显示出来 PHPEXCEL 不能输出中文 CMS自动升级的原理是什么? CSDN程序员请进 对一个PHP数组,获取前5个键值,怎么取值?达人进来看 为什么上传代码没有执行呢? 如何取出HTML代码中的值? php5如何通过c接口调用第三方提供的.so动态链接库 如何在php程序中调用C++程序模块 请教,装好php4后,如何进行php.ini的一般设置,谢谢。 php转换字符串的问题 急问linux下编写php扩展问题,明明已经加载了扩展,但调用函数却提示没定义
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head><body>
<form id="form1" name="form1" method="post" action="getnum.php">
<input type="text" name="date" />
<input type="submit" name="sbt" value="查看多少天" />
</form>
</body>
</html>
<?php
$date=$_POST['date'];
$arr=explode('-',$date);
//print_r($arr);
$arr1= array(01,03,05,07,08,10,12);
$arr2= array(04,06,09,11);
$arr3= array(02);
$judge1=trim(array_search($arr[1],$arr1));
$judge2=trim(array_search($arr[1],$arr2));
$judge3=trim(array_search($arr[1],$arr3));
if(!empty($judge1)){
echo '<script language="javascript">alert("当月有31天");</script>';
}
if(!empty($judge2)){
echo '<script language="javascript">alert("当月有30天");</script>';
}
if($judge3==0){
echo "执行拉!";
if(fmod($arr[0],4)==0){
echo '<script language="javascript">alert("当月有29天");</script>';
}else{
echo '<script language="javascript">alert("当月有28天");</script>';
}
}
?>复杂点的
$lastday = date("d",mktime(0, 0, 0, 02, 0, 2009));
echo $lastday;
//获取本月最后一天
$lastday = date("d",mktime(0, 0, 0, 02, 0, 2009));
echo $lastday;
+++++++++++++++++++++++++++++++++++++++++++++++
正确的如下:
//获取本月最后一天
echo date("t",mktime(0, 0, 0, 3, 1, 2009));
<?php
// 默认为当前月天数
function z($str=''){
return $str ? date("t", strtotime($str)) : date("t");
}echo z();
echo z('2008-01-01');
echo z('2009-2-1');
echo z('1990-12-28');
?>