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mysqli_stmt_data_seek

(PHP 5)

mysqli_stmt_data_seek

(no version information, might be only in CVS)

stmt->data_seek -- Seeks to an arbitray row in statement result set

Description

Процедурный стиль:

bool mysqli_stmt_data_seek ( mysqli_stmt statement, int offset )

Объектно-ориентированный стиль (method):

class mysqli_stmt {
bool data_seek ( int offset )
}

The mysqli_stmt_data_seek() function seeks to an arbitrary result pointer specified by the offset in the statement result set represented by statement. The offset parameter must be between zero and the total number of rows minus one (0..mysqli_stmt_num_rows() - 1).

Возвращаемые значения

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.

Примеры

Пример 1. Объектно-ориентированный стиль


<?php


/* Open a connection */


$mysqli 
= new 
mysqli
(
"localhost"
, 
"my_user"
, 
"my_password"
, 
"world"
);




/* check connection */ 


if (
mysqli_connect_errno
()) {

    
printf
(
"Connect failed: %s\n"
, 
mysqli_connect_error
());

    exit();

}




$query 
= 
"SELECT Name, CountryCode FROM City ORDER BY Name"
;

if (
$stmt 
= 
$mysqli
->
prepare
(
$query
)) {



    
/* execute query */

    
$stmt
->
execute
();



    
/* bind result variables */

    
$stmt
->
bind_result
(
$name
, 
$code
);



    
/* store result */

    
$stmt
->
store_result
();



    
/* seek to row no. 400 */

    
$stmt
->
data_seek
(
399
);



    
/* fetch values */

    
$stmt
->
fetch
();



    
printf 
(
"City: %s  Countrycode: %s\n"
, 
$name
, 
$code
);



    
/* close statement */

    
$stmt
->
close
();

}




/* close connection */


$mysqli
->
close
();


?>

Пример 2. Процедурный стиль


<?php


/* Open a connection */


$link 
= 
mysqli_connect
(
"localhost"
, 
"my_user"
, 
"my_password"
, 
"world"
);




/* check connection */ 


if (
mysqli_connect_errno
()) {

    
printf
(
"Connect failed: %s\n"
, 
mysqli_connect_error
());

    exit();

}




$query 
= 
"SELECT Name, CountryCode FROM City ORDER BY Name"
;

if (
$stmt 
= 
mysqli_prepare
(
$link
, 
$query
)) {



    
/* execute query */

    
mysqli_stmt_execute
(
$stmt
);



    
/* bind result variables */

    
mysqli_stmt_bind_result
(
$stmt
, 
$name
, 
$code
);



    
/* store result */

    
mysqli_stmt_store_result
(
$stmt
);



    
/* seek to row no. 400 */

    
mysqli_stmt_data_seek
(
$stmt
, 
399
);



    
/* fetch values */

    
mysqli_stmt_fetch
(
$stmt
);



    
printf 
(
"City: %s  Countrycode: %s\n"
, 
$name
, 
$code
);



    
/* close statement */

    
mysqli_stmt_close
(
$stmt
);

}




/* close connection */


mysqli_close
(
$link
);


?>

Результат выполнения данного примера:

City: Benin City  Countrycode: NGA

Все функции PHP:

mysqli_stmt_data_seek

Description

Возвращаемые значения

Смотрите также

Примеры