php 如何获取 codeigniter 会话 userdata 变量的值？
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How can I get the value of a codeigniter session userdata variable?
提问by Prateek Joshi
I have generated the array containing session data as,
我生成了包含会话数据的数组，
array(8) {
["session_id"]=> string(32) "1dc5eb3730601a3447650fa4453f36cd"
["ip_address"]=> string(3) "::1"
["user_agent"]=> string(102) "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36"
["last_activity"]=> int(1427602284)
["user_data"]=> string(0) ""
["roll_no"]=> string(6) "111416"
["is_logged_in"]=> int(1)
[0]=> object(stdClass)#20 (6)
{
["name"]=> string(13) "durex"
["email"]=> string(25) "[email protected]"
["year"]=> string(1) "2"
["semester"]=> string(1) "4"
["branch"]=> string(2) "IT"
["parent_email"]=> string(27) "[email protected]"
}
}How can I echo name(durex) using the above session $userdata?
如何使用上述会话 $userdata 回显名称（杜蕾斯）？
回答by Jacob
This is the process you would follow if you wanted to set, and then retrieve, some userdata set in Codeigniter 2.0
如果您想在 Codeigniter 2.0 中设置然后检索一些用户数据，您将遵循此过程
<?php
$user_array = array(
'name' => 'bob',
'email' => '[email protected]'
);
$this->session->set_userdata('userdata', $user_array);
$user_data = $this->session->userdata('userdata');
//Returns User's name
echo $user_data['name'];
?>I'm not sure if what you pasted was formatted correctly.. also please do a print_ror var_dump($user_data)to see what it is pulling in on the $user_datavariable
我不确定您粘贴的内容是否格式正确……也请执行print_r或var_dump($user_data)查看它对$user_data变量的影响
Edit: Now that you've updated your post, it is clear to me that what you need to do is this.
编辑：现在你已经更新了你的帖子，我很清楚你需要做的是这个。
<?php
$user_data = $this->session->userdata('0');
echo $user_data->name;
?>回答by Arzgethalm
Please check if this works. If you are getting it from the session values:
请检查这是否有效。如果您从会话值中获取它：
<?php
$user_data = $this->session->userdata('user_data');
echo $user_data[0]['name'];
?>
if you are getting if from your array:
如果你从你的数组中得到 if：
<?php
echo $your_array_name['user_data'][0]['name'];
?>
Note: This is the correct format of the array in PHP
注意：这是PHP中数组的正确格式
<?php
$my_array = Array (
'session_id' => '8f9286115a38df9ed54a65b135d4e8c0',
'ip_address' => '::1',
'user_agent' => 'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36',
'last_activity' => 1427600580,
'roll_no' => 111416,
'is_logged_in' => 1,
'email' => '',
'user_data' => Array (
0 => Array (
'name' => 'durex',
'email' => '[email protected]',
'year' => 2 ,
'semester' => 4,
'branch' => 'CSE',
'parent_email' => '[email protected]'
)
)
);
echo $my_array['user_data'][0]['name'];
?>
回答by Bharat Kr. Lal
1.get your session and save in variable $usernya = $this->session->get_userdata('sess');
1.获取您的会话并保存在变量 $usernya = $this->session->get_userdata('sess');
2.Now you can show the data with simple echo echo $usernya['username'];
2.现在你可以用简单的 echo echo $usernya['username']; 显示数据
回答by digout
In Codeigniter 3you can retrieve session data by simply using PHP's native $_SESSIONvariable
在Codeigniter 3 中，您只需使用 PHP 的本机$_SESSION变量即可检索会话数据
$_SESSION['item']
Or through the magic getter
或者通过魔法吸气剂
$this->session->item
It still allows for the traditional
它仍然允许传统的
$this->session->userdata('item');
More in the docs
文档中的更多内容
