[英]in_array command does not work
in_array function, for some reason, return false; in_array函数由于某种原因返回false;
This is the code i'm using: 这是我正在使用的代码:
$query = "SELECT users_invites.invite_user_id
FROM users_invites
JOIN users ON users.id = users_invites.user_id AND users_invites.user_id =". param('session_id')."
ORDER BY users.id ASC";
$response = $this->_db->query($query)->result_array();
foreach ($response as $key => $value)
{
if (!in_array($_REQUEST['invite_user_id'][$key],$response[$key]))
$this->_db->insert("users_invites",array("user_id"=> param('session_id') , "invite_user_id"=>$_REQUEST['invite_user_id'][$key]));
}
The in_array function dosen't work and the insertion command is always execute. in_array函数无效,并且插入命令始终执行。 Any idea?
任何想法?
PS: The invite_user_id is an array. PS: Invitation_user_id是一个数组。 Edit: The response value is:
编辑:响应值为:
Array
(
[0] => Array
(
[invite_user_id] => 20
)
[1] => Array
(
[invite_user_id] => 19
)
[2] => Array
(
[invite_user_id] => 3
)
)
The $_REQUEST['invite_user_id'] Values: $ _REQUEST ['invite_user_id']值:
Array
(
[0] => 3
[1] => 4
)
Given your resulting structure, I would do a foreach
on the data to break it into single set of array with all the ids returned from the table. 给定您所得到的结构,我将对数据进行
foreach
操作,以将其分成具有表返回的所有ID的单个数组。
From there I would foreach
the $_REQUEST['invite_user_id']
against the new array $ids
, here is a sample: 从那里,我将针对新数组
$ids
将$_REQUEST['invite_user_id']
进行foreach
,下面是一个示例:
$ids = array();
foreach ($response as $item)
{
$ids[] = $item['invite_user_id'];
}
foreach ($_REQUEST['invite_user_id'] as $id)
{
if (!in_array($id, $ids))
{
echo "{$id} was not found...\n";
}
else
{
echo "{$id} was found...\n";
}
}
your request should be like this 您的要求应该是这样
$query = "SELECT users_invites.invite_user_id
FROM users_invites
JOIN users ON users.id = users_invites.user_id AND users_invites.user_id =". param('session_id')."
ORDER BY users.id ASC";
$response = $this->_db->query($query)->result_array();
$invite_user_id = array();
foreach ($response as $key => $value)
{
$invite_user_id[] = $value;
}
foreach( $_REQUEST['invite_user_id'] AS $key => $value )
{
if ( !in_array( $value,$invite_user_id) )
{
$this->_db->insert("users_invites",array("user_id"=> param('session_id') , "invite_user_id"=> $value));
}
}
The follow should work well: 以下应该可以正常工作:
$query = 'SELECT users_invites.invite_user_id
FROM users_invites
JOIN users ON users.id = users_invites.user_id AND
users_invites.user_id = ' . param('session_id') . '
ORDER BY users.id ASC';
$response = $this->_db->query($query)->result_array();
$storedInvites = array();
foreach ($response as $index => $data) {
$storedInvites[] = $data['invite_user_id'];
}
foreach ($_REQUEST['invite_user_id'] as $index => $inviteUserId) {
if (!in_array($inviteUserId, $storedInvites)) {
$insertData = array(
'user_id' => param('session_id'),
'invite_user_id' => $inviteUserId
);
$this->_db->insert('users_invites', $insertData);
}
}
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