MysqlndUhConnection::getWarningCount

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::getWarningCount — Returns the number of warnings from the last query for the given link

说明

public int MysqlndUhConnection::getWarningCount ( mysqlnd_connection $connection )

Returns the number of warnings from the last query for the given link.

参数

connection: Mysqlnd connection handle. Do not modify!

返回值

Number of warnings.

范例

Example #1 MysqlndUhConnection::getWarningCount() example

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

以上例程会输出：

proxy::getWarningCount(array (
  0 => NULL,
))
proxy::getWarningCount returns 0
int(0)

参见

mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
mysqli_warning_count() - Returns the number of warnings from the last query for the given link