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mysqlnd _uh _set _connection _proxy

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(PECL mysqlnd-uh >= 1.0.0-alpha)

mysqlnd_uh_set_connection_proxy — Installs a proxy for mysqlnd connections

Description

mysqlnd_uh_set_connection_proxy ( MysqlndUhConnection &$connection_proxy [, mysqli &$mysqli_connection ] ) : bool

Installs a proxy object to hook mysqlnd's connection objects methods. Once installed, the proxy will be used for all MySQL connections opened with mysqli, mysql or PDO_MYSQL, assuming that the listed extensions are compiled to use the mysqlnd library.

The function can be disabled with mysqlnd_uh.enable. If mysqlnd_uh.enable is set to FALSE the function will not install the proxy and always return TRUE. Additionally, an error of the type E_WARNING may be emitted. The error message may read like PHP Warning: mysqlnd_uh_set_connection_proxy(): (Mysqlnd User Handler) The plugin has been disabled by setting the configuration parameter mysqlnd_uh.enable = false. The proxy has not been installed [...].

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Parameters

connection_proxy

A proxy object of type MysqlndUhConnection.

mysqli_connection

Object of type mysqli. If given, the proxy will be set for this particular connection only.

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Return Values

Returns TRUE on success. Otherwise, returns FALSE

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Examples

Example #1 mysqlnd_uh_set_connection_proxy() example

<?php
$mysqli = new mysqli("localhost", "root", "", "test");
$mysqli->query("SELECT 'No proxy installed, yet'");

class proxy extends MysqlndUhConnection {
 public function query($res, $query) {
   printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
   $ret = parent::query($res, $query);
   printf("%s returns %s\n", __METHOD__, var_export($ret, true));
   return $ret;
 }
}
mysqlnd_uh_set_connection_proxy(new proxy());

$mysqli->query("SELECT 'mysqlnd rocks!'");

$mysql = mysql_connect("localhost", "root", "", "test");
mysql_query("SELECT 'Ahoy Andrey!'", $mysql);

$pdo = new PDO("mysql:host=localhost;dbname=test", "root", "");
$pdo->query("SELECT 'Moin Johannes!'");
?>

The above example will output:

proxy::query(array (
  0 => NULL,
  1 => 'SELECT \'mysqlnd rocks!\'',
))
proxy::query returns true
proxy::query(array (
  0 => NULL,
  1 => 'SELECT \'Ahoy Andrey!\'',
))
proxy::query returns true
proxy::query(array (
  0 => NULL,
  1 => 'SELECT \'Moin Johannes!\'',
))
proxy::query returns true

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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-mysqlnd-uh-set-connection-proxy.html

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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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