MysqlndUhConnection::getErrorString

Returns a string description of the last error

Beschreibung

public string MysqlndUhConnection::getErrorString ( mysqlnd_connection $connection )

Returns a string description of the last error.

Parameter-Liste

connection: Mysqlnd connection handle. Do not modify!

Rückgabewerte

Error string for the most recent function call.

Beispiele

MysqlndUhConnection::getErrorString is not only executed after the invocation of a user space API call which maps directly to it but also called internally.

Beispiel #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();
?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

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...

Siehe auch

mysqlnd_uh_set_connection_proxy
MysqlndUhConnection::getErrorNumber
mysqli_error
mysql_error