PHP 7.4.0 alpha 1 Released

MysqlndUhConnection::selectDb

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::selectDbSelects the default database for database queries

Description

public MysqlndUhConnection::selectDb ( mysqlnd_connection $connection , string $database ) : bool

Selects the default database for database queries.

Parameters

connection

Mysqlnd connection handle. Do not modify!

database

The database name.

Return Values

Returns TRUE on success. Otherwise, returns FALSE

Examples

Example #1 MysqlndUhConnection::selectDb() example

<?php
class proxy extends MysqlndUhConnection {
 public function 
selectDb($res$database) {
  
printf("%s(%s)\n"__METHOD__var_export(func_get_args(), true));
  
$ret parent::selectDb($res$database);
  
printf("%s returns %s\n"__METHOD__var_export($rettrue));
  return 
$ret;
 }
}
mysqlnd_uh_set_connection_proxy(new proxy());
$mysqli = new mysqli("localhost""root""""test");
$mysqli->select_db("mysql");
?>

The above example will output:

proxy::selectDb(array (
  0 => NULL,
  1 => 'mysql',
))
proxy::selectDb returns true

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