if($condition1)
{
}
else
if($condition2)
{
}
else
{
}
//不能再有elseif().
和
if($condition1)
{
}
elseif($condition2)
{
}
else
{
}
{
}
else
if($condition2)
{
}
else
{
}
//不能再有elseif().
和
if($condition1)
{
}
elseif($condition2)
{
}
else
{
}
建议用elseif ,
据说有时用else if会出现意想不到的结果~
<?php $condition=5;
if($condition==1)
{
echo "1";
}
else
if($condition==2)
{
echo "2";
}
else
if($condition==3)
{
echo "3";
}
else
if($condition==4)
{
echo "4";
}
else
{
echo "Not 1,2,3,4";
}
?>
if($condition==1)
{
echo "1";
}
elseif($condition==2)
{
echo "2";
}
elseif($condition==3)
{
echo "3";
}
elseif($condition==4)
{
echo "4";
}
else
{
echo "Not 1,2,3,4";
}
?>