[英]Insert cookie if value is not present
I am trying to insert cookie. 我正在尝试插入Cookie。 The logic is simple as: 逻辑很简单:
I have tried some code but I could not able to get a correct result. 我尝试了一些代码,但无法获得正确的结果。
In this code a new value should be inserted, which is happening but not getting old value. 在此代码中,应插入一个新值,该值正在发生,但不会变旧。
Edited Code 2 编辑代码2
$current_value = '';
if(!isset($_COOKIE['blog_id_cookie'])){
setcookie('blog_id_cookie', $id);
$current_value[] = $_COOKIE['blog_id_cookie'];
} else {
$current_value = explode(',', $_COOKIE['blog_id_cookie']);
}
if(!in_array($id, $current_value)){
$current_value[] = $id;
$cookie_name = "blog_id_cookie";
setcookie($cookie_name, implode(',', $current_valu));
}
With that code $current_value
will be defined only if the cookies is not set. 使用该代码,仅当未设置cookie时,才定义$current_value
。 Set $current_value
in the else part. 在else部分中设置$current_value
。 Concatenate the cookie
instead of $current_value
. 连接cookie
而不是$current_value
。 Try with - 尝试-
Update 更新
$current_value = '';
if(!isset($_COOKIE['blog_id_cookie'])){
setcookie('blog_id_cookie', $id);
$current_value[] = $_COOKIE['blog_id_cookie'];
} else {
$current_value = explode(',', $_COOKIE['blog_id_cookie']);
}
if(!in_array($id, $current_value)){
$current_value[] = $id;
$cookie_name = "blog_id_cookie";
setcookie($cookie_name, implode(',', $current_value));
}
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