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MysqlndUhConnection: : getErrorNumber

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(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::getErrorNumber — Returns the error code for the most recent function call

Description

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

Returns the error code for the most recent function call.

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Parameters

connection

Mysqlnd connection handle. Do not modify!

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Return Values

Error code for the most recent function call.

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Examples

MysqlndUhConnection::getErrorNumber() 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::getErrorNumber() example

<?php
class proxy extends MysqlndUhConnection {
 public function getErrorNumber($res) {
   printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
   $ret = parent::getErrorNumber($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");
$mysqli->query("PLEASE_LET_THIS_BE_INVALID_SQL");
printf("errno...\n");
var_dump($mysqli->errno);
printf("close...\n");
$mysqli->close();
?>

The above example will output:

connect...
proxy::getErrorNumber(array (
  0 => NULL,
))
proxy::getErrorNumber returns 0
query...
errno...
proxy::getErrorNumber(array (
  0 => NULL,
))
proxy::getErrorNumber returns 1064
int(1064)
close...

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See Also

Find a PHP function

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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-mysqlnduhconnection.geterrornumber.html

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References

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