CodeIgniter activerecord, retrieve last insert id?

问题:

Are there any options to get the last insert id of a new record in CodeIgniter?

$last_id = $this->db->insert('tablename',
    array('firstcolumn' => 'value',
    'secondcolumn' => 'value')
);

Considering the table consits of fields id (autoincrement) firstcolumn and secondcolumn.

This way you can use the insert id in the following code.

回答1:

Shame on me...

I looked at the user guide and the first function is $this->db->insert_id();

This also works with activerecord inserts...

EDIT: I updated the link

回答2:

Last insert id means you can get inserted auto increment id by using this method in active record,

$this->db->insert_id() 
// it can be return insert id it is 
// similar to the mysql_insert_id in core PHP

You can refer this link you can find some more stuff.

Information from executing a query

回答3:

for Specific table you cannot use $this->db->insert_id() . even the last insert happened long ago it can be fetched like this. may be wrong. but working well for me

     $this->db->select_max('{primary key}');
     $result= $this->db->get('{table}')->row_array();
     echo $result['{primary key}'];

回答4:

List of details which helps in requesting id and queries are

For fetching Last inserted Id :This will fetching the last records from the table

$this->db->insert_id(); 

Fetching SQL query add this after modal request

$this->db->last_query()

回答5:

$this->db->insert_id();

Try this As your desired question.

回答6:

Try this.

public function insert_data_function($your_data)
{
    $this->db->insert("your_table",$your_data);
    $last_id = $this->db->insert_id();
    return $last_id;
}

回答7:

$this->db->insert_id();

Returns the insert ID number when performing database inserts

Query Helper Methods for codeigniter-3

回答8:

if($this->db->insert('Your_tablename', $your_data)) {
    return $this->db->insert_id();
}
return false 

回答9:

$this->db->insert_id()  

//please try this

回答10:

After your insert query, use this command $this->db->insert_id(); to return the last inserted id.

For example:

$this->db->insert('Your_tablename', $your_data);

$last_id =  $this->db->insert_id();

echo $last_id // assume that the last id from the table is 1, after the insert query this value will be 2.