Sets a server option

# MysqlndUhConnection::setServerOption

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::setServerOption — Sets a server option

### 説明

public MysqlndUhConnection::setServerOption ( mysqlnd_connection `$connection` , int `$option` ) : void

Sets a server option.

### パラメータ

`connection`

  Mysqlnd connection handle. Do not modify!

`option`

  The option to be set.

### 返り値

Returns `TRUE` on success. Otherwise, returns `FALSE`

### 例

例1 MysqlndUhConnection::setServerOption() example

`<?php
function server_option_to_string($option) {
$ret = 'unknown';
switch ($option) {
case MYSQLND_UH_SERVER_OPTION_MULTI_STATEMENTS_ON:
$ret = 'MYSQLND_UH_SERVER_OPTION_MULTI_STATEMENTS_ON';
break;
case MYSQLND_UH_SERVER_OPTION_MULTI_STATEMENTS_OFF:
$ret = 'MYSQLND_UH_SERVER_OPTION_MULTI_STATEMENTS_ON';
break;
}
return $ret;
}
class proxy extends MysqlndUhConnection {
public function setServerOption($res, $option) {
printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
printf("Option '%s' set\n", server_option_to_string($option));
$ret = parent::setServerOption($res, $option);
printf("%s returns %s\n", __METHOD__, var_export($ret, true));
return $ret;
}
}
mysqlnd_uh_set_connection_proxy(new proxy());
$mysqli = new mysqli("localhost", "root", "", "test");
$mysqli->multi_query("SELECT 1; SELECT 2");
?>`

上の例の出力は以下となります。

    proxy::setServerOption(array (
      0 => NULL,
      1 => 0,
    ))
    Option 'MYSQLND_UH_SERVER_OPTION_MULTI_STATEMENTS_ON' set
    proxy::setServerOption returns true

### 参考

- mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
- mysqli_real_connect() - mysql サーバーとの接続をオープンする
- mysqli_options() - オプションを設定する
- mysqli_multi_query() - データベース上でクエリを実行する