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PHP - Manual: MysqlndUhConnection::getLastInsertId

2024-12-20

MysqlndUhConnection::getLastInsertId

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::getLastInsertIdReturns the auto generated id used in the last query

说明

public MysqlndUhConnection::getLastInsertId ( mysqlnd_connection $connection ) : int

Returns the auto generated id used in the last query.

参数

connection

Mysqlnd connection handle. Do not modify!

返回值

Last insert id.

范例

Example #1 MysqlndUhConnection::getLastInsertId() example

<?php
class proxy extends MysqlndUhConnection {
 public function 
getLastInsertId($res) {
   
printf("%s(%s)\n"__METHOD__var_export(func_get_args(), true));
   
$ret parent::getLastInsertId($res);
   
printf("%s returns %s\n"__METHOD__var_export($rettrue));
   return 
$ret;
 }
}
mysqlnd_uh_set_connection_proxy(new proxy());

$mysqli = new mysqli("localhost""root""""test");
$mysqli->query("DROP TABLE IF EXISTS test");
$mysqli->query("CREATE TABLE test(id INT AUTO_INCREMENT PRIMARY KEY, col VARCHAR(255))");
$mysqli->query("INSERT INTO test(col) VALUES ('a')");
var_dump($mysqli->insert_id);
?>

以上例程会输出:

proxy::getLastInsertId(array (
  0 => NULL,
))
proxy::getLastInsertId returns 1
int(1)

参见

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官方地址:https://www.php.net/manual/en/mysqlnduhconnection.getlastinsertid.php

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