setcookie 不断更新,PHP
setcookie keeps updating, PHP
所以这是我的代码。我和老公都看了,不明白为什么日期和时间一直在更新。 if 语句第一次是 运行 它应该工作,但随后它应该停止。但事实并非如此。我如何获得停止时间并按原样显示而不是更新?
$firstVisitcounter = 0;
$firstVisit = $_COOKIE['firstVisit'];
if ($firstVisitcounter == 0){
$firstVisitcounter = 1;
setcookie('firstVisit', date("d-m-Y H:i:s"), time()+3600);
}
echo $firstVisit;
// Sets counter to 0
$firstVisitcounter = 0;
$firstVisit = $_COOKIE['firstVisit'];
if ($firstVisitcounter == 0){
// Counter is always 0 (set above)
// so this will always run
$firstVisitcounter = 1;
setcookie('firstVisit', date("d-m-Y H:i:s"), time()+3600);
}
你可能想做类似的事情
if (empty($_COOKIE['firstVisit'])) {
// First visit...
} else {
// Returning visitor
}
$firstVisitcounter = 0;
是第一行,因此 if
将始终执行。您可能只想检查 cookie:
if(isset($_COOKIE['firstVisit'])) {
$firstVisit = $_COOKIE['firstVisit'];
} else {
$firstVisit = date("d-m-Y H:i:s");
setcookie('firstVisit', $firstVisit, time()+3600);
}
echo $firstVisit;
用户每次访问该页面,$firstVisitcounter
将等于0。
尝试做:
if ($_COOKIE['firstVisit']=='') {
setcookie('firstVisit', date("d-m-Y H:i:s"), time()+3600);
}
echo $_COOKIE['firstVisit'];
代替if ($_COOKIE['firstVisit']=='')
,您可以使用:
(!isset($_COOKIE['firstVisit'])
所以这是我的代码。我和老公都看了,不明白为什么日期和时间一直在更新。 if 语句第一次是 运行 它应该工作,但随后它应该停止。但事实并非如此。我如何获得停止时间并按原样显示而不是更新?
$firstVisitcounter = 0;
$firstVisit = $_COOKIE['firstVisit'];
if ($firstVisitcounter == 0){
$firstVisitcounter = 1;
setcookie('firstVisit', date("d-m-Y H:i:s"), time()+3600);
}
echo $firstVisit;
// Sets counter to 0
$firstVisitcounter = 0;
$firstVisit = $_COOKIE['firstVisit'];
if ($firstVisitcounter == 0){
// Counter is always 0 (set above)
// so this will always run
$firstVisitcounter = 1;
setcookie('firstVisit', date("d-m-Y H:i:s"), time()+3600);
}
你可能想做类似的事情
if (empty($_COOKIE['firstVisit'])) {
// First visit...
} else {
// Returning visitor
}
$firstVisitcounter = 0;
是第一行,因此 if
将始终执行。您可能只想检查 cookie:
if(isset($_COOKIE['firstVisit'])) {
$firstVisit = $_COOKIE['firstVisit'];
} else {
$firstVisit = date("d-m-Y H:i:s");
setcookie('firstVisit', $firstVisit, time()+3600);
}
echo $firstVisit;
用户每次访问该页面,$firstVisitcounter
将等于0。
尝试做:
if ($_COOKIE['firstVisit']=='') {
setcookie('firstVisit', date("d-m-Y H:i:s"), time()+3600);
}
echo $_COOKIE['firstVisit'];
代替if ($_COOKIE['firstVisit']=='')
,您可以使用:
(!isset($_COOKIE['firstVisit'])