MysqlndUhConnection::query
MysqlndUhConnection::reapQuery
MysqlndUhConnection
PHP Manual

# MysqlndUhConnection::queryReadResultsetHeader

Read a result set header

### Description

public bool MysqlndUhConnection::queryReadResultsetHeader ( mysqlnd_connection `$connection` , mysqlnd_statement `$mysqlnd_stmt` )

Read a result set header.

### Parameters

`connection`

  Mysqlnd connection handle. Do not modify!

`mysqlnd_stmt`

  Mysqlnd statement handle. Do not modify! Set to `NULL`, if function is not used in the context of a prepared statement.

### Return Values

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

### Examples

Example #1 MysqlndUhConnection::queryReadResultsetHeader example

`<?php
class proxy extends MysqlndUhConnection {
public function queryReadResultsetHeader($res, $stmt) {
printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
$ret = parent::queryReadResultsetHeader($res, $stmt);
printf("%s returns %s\n", __METHOD__, var_export($ret, true));
return $ret;
}
}
mysqlnd_uh_set_connection_proxy(new proxy());
$mysqli = new mysqli("localhost", "root", "", "test");
$res = $mysqli->query("SELECT 'Welcome mysqlnd_uh!' FROM DUAL");
var_dump($res->fetch_assoc());
?>`

The above example will output:

    proxy::queryReadResultsetHeader(array (
      0 => NULL,
      1 => NULL,
    ))
    proxy::queryReadResultsetHeader returns true
    array(1) {
      ["Welcome mysqlnd_uh!"]=>
      string(19) "Welcome mysqlnd_uh!"
    }

### See Also

- mysqlnd_uh_set_connection_proxy