mysql_insert_id() function in PHP
What is mysql_insert_id() function in PHP?
How does mysql_insert_id() works?
Explanation
The mysql_insert_id() function returns the AUTO_INCREMENT ID generated from the previous INSERT operation.
Syntax
Returns ID generated for an AUTO_INCREMENT column by the previous INSERT query on success, 0 if the previous query does not generate an AUTO_INCREMENT value, or FALSE if no MySQL connection was established.
mysql_insert_id() returns the ID generated for an AUTO_INCREMENT column by the previous INSERT query using the given link_identifier. If link_identifier is not specified, the last opened link is assumed for connection.
Example
RESULT:
Last inserted record has id : 10
See also: mysql_query().
Syntax
int mysql_insert_id ( [resource link_identifier])
Returns ID generated for an AUTO_INCREMENT column by the previous INSERT query on success, 0 if the previous query does not generate an AUTO_INCREMENT value, or FALSE if no MySQL connection was established.
mysql_insert_id() returns the ID generated for an AUTO_INCREMENT column by the previous INSERT query using the given link_identifier. If link_identifier is not specified, the last opened link is assumed for connection.
Example
| <?php //Attempt to connect to the default database server $link = mysql_connect("mysql_host", "mysql_user", "mysql_password")or die ("Could not connect"); //select database mysql_select_db('database',$link);$query = "insert into my_table values('','Bill',2000,'Germany')"; //execute query $result = mysql_query($query);//print AUTO_INCREMENT ID generated from the previous INSERT operation printf("Last inserted record has id :%dn", mysql_insert_id());?> |
RESULT:
Last inserted record has id : 10
See also: mysql_query().
