<?php
$num = 2;
$sum = 10;
do
{
$sum = $sum + 10;
}
while($num>3){
$sum = $sum + 10;
}
echo "B例子的结果：".$sum."<br />";
?>
$num = 2;
$sum = 10;
do
{
$sum = $sum + 10;
}
while($num>3){
$sum = $sum + 10;
}
echo "B例子的结果：".$sum."<br />";
?>
2016-04-25
这代码就不对。前面是连接MYSQL数据库，密码错误或者用户错误等等抛出的错误信息，你存在$conn变量中，后面的$php_errormsg变量哪里来的？
2016-04-24
<?php
$a="你";
$xu=$a.",去死";
$b="你";
$b.=",去死吧";
$c="他";
$c=$c.",去死远去吧";
echo $xu,"<br />";
echo $b,"<br/>";
echo $c,"<br/>";
?>
$a="你";
$xu=$a.",去死";
$b="你";
$b.=",去死吧";
$c="他";
$c=$c.",去死远去吧";
echo $xu,"<br />";
echo $b,"<br/>";
echo $c,"<br/>";
?>
2016-04-24