为什么这样也echo错误呢
<?php
$date1 = "Apr/13/2012";
$date2 = "Apr/6/2012";
if($date1 > $date2){
echo "正确";
}else{
echo "错误"."<script>alert('错误');</script>";
}?>
<?php
$date1 = "Apr/13/2012";
$date2 = "Apr/6/2012";
if($date1 > $date2){
echo "正确";
}else{
echo "错误"."<script>alert('错误');</script>";
}?>
"1"的ascii 码比"6"的ascii小,当然date1>date2!比较前先把字符串转换为时间戳(strtotime)
<?php
$date1 = "Apr/13/2012";
$date2 = "Apr/6/2012";
if(strtotime($date1) > strtotime($date2)){
echo "正确";
}else{
echo "错误"."<script>alert('错误');</script>";
}?>
应该是这种:Apr 13 2012
这种:4/13/2012
或者是这种:2012-4-13
或者:.....