MysqlndUhConnection::getErrorString
(PECL mysqlnd-uh >= 1.0.0-alpha)
MysqlndUhConnection::getErrorString — Returns a string description of the last error
설명
public string MysqlndUhConnection::getErrorString
( mysqlnd_connection
$connection
)Returns a string description of the last error.
인수
-
connection -
Mysqlnd connection handle. Do not modify!
반환값
Error string for the most recent function call.
예제
MysqlndUhConnection::getErrorString() is not only executed after the invocation of a user space API call which maps directly to it but also called internally.
Example #1 MysqlndUhConnection::getErrorString() example
<?php
class proxy extends MysqlndUhConnection {
public function getErrorString($res) {
printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
$ret = parent::getErrorString($res);
printf("%s returns %s\n", __METHOD__, var_export($ret, true));
return $ret;
}
}
mysqlnd_uh_set_connection_proxy(new proxy());
printf("connect...\n");
$mysqli = new mysqli("localhost", "root", "", "test");
printf("query...\n");
$mysqli->query("WILL_I_EVER_LEARN_SQL?");
printf("errno...\n");
var_dump($mysqli->error);
printf("close...\n");
$mysqli->close();
?>
위 예제의 출력:
connect... proxy::getErrorString(array ( 0 => NULL, )) proxy::getErrorString returns '' query... errno... proxy::getErrorString(array ( 0 => NULL, )) proxy::getErrorString returns 'You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near \'WILL_I_EVER_LEARN_SQL?\' at line 1' string(168) "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WILL_I_EVER_LEARN_SQL?' at line 1" close...
참고
- mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
- MysqlndUhConnection::getErrorNumber() - Returns the error code for the most recent function call
- mysqli_error() - Returns a string description of the last error
- mysql_error() - 최근 실행된 MySQL 작업으로 발생한 에러 메시지를 반환
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