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PHP. Руководство по PHP. 2005 (создание и продвижение сайта)
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PHP. Руководство по PHP. 2005

maxdb_stmt_bind_param

Пред.

След.

maxdb_stmt_bind_param

(PECL)maxdb_stmt_bind_param

(no version information, might be only in CVS)stmt->bind_param -- Binds variables to a prepared statement as parameters

Description

Procedural style:bool maxdb_stmt_bind_param (resource stmt, string types, mixed &var1 [, mixed &...])

Object oriented style (method):class stmt {

bool bind_param (array types, mixed &var1 [, mixed &...])

}

maxdb_stmt_bind_param() is used to bind variables for the parameter markers in the SQL statement that was passed to maxdb_prepare(). The string types contains one or more characters which specify the types for the corresponding bind variables.

Variables for SELECT INTO SQL statements can also be bound using maxdb_stmt_bind_param(). Parameters for database procedures can be bound using maxdb_stmt_bind_param(). See the examples how to use maxdb_stmt_bind_param() in this cases.

If a variable bound as INTO variable to a SQL statement was used before, the content of this variable is overwritten by the data of the SELECT INTO statement. A reference to this variable will be invalid after a call to maxdb_stmt_bind_param().

For INOUT parameters of database procedures the content of the bound INOUT variable is overwritten by the output value of the database procedure. A reference to this variable will be invalid after a call to maxdb_stmt_bind_param().

Таблица 1. Type specification chars
CharacterDescription
icorresponding variable has type integer
dcorresponding variable has type double
scorresponding variable has type string
bcorresponding variable is a blob and will be send in packages

Return values

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

See also

maxdb_stmt_bind_result(), maxdb_stmt_execute(), maxdb_stmt_fetch(), maxdb_prepare(), maxdb_stmt_send_long_data(), maxdb_stmt_errno(), maxdb_stmt_error()

Example

Пример 1. Object oriented style

<?

$maxdb = new maxdb('localhost', 'MONA', 'RED', 'DEMODB');

/*check connection*/

if (maxdb_connect_errno()){

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

exit();

}

$maxdb->query ("CREATE TABLE temp.mycity LIKE hotel.city");

$maxdb->query ("INSERT INTO temp.mycity SELECT * FROM hotel.city");

$stmt = $maxdb->prepare("INSERT INTO temp.mycity VALUES (?, ?, ?)");

$stmt->bind_param('sss', $zip, $name, $state);

$zip = '';

$name = 'Georgetown';

$state = 'NY';

/*execute prepared statement*/

$stmt->execute();

printf("%d Row inserted.\n", $stmt->affected_rows);

/*close statement and connection*/

$stmt->close();

/*Clean up table CountryLanguage*/

$maxdb->query("DELETE FROM temp.mycity WHERE name='Georgetown'");

printf("%d Row deleted.\n", $maxdb->affected_rows);

/*close connection*/

$maxdb->close();

?>

Пример 2. Procedural style

<?

$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

/*check connection*/

if (!$link){

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

exit();

}

maxdb_query ($link, "CREATE TABLE temp.mycity LIKE hotel.city");

maxdb_query ($link, "INSERT INTO temp.mycity SELECT * FROM hotel.city");

$stmt = maxdb_prepare($link, "INSERT INTO temp.mycity VALUES (?, ?, ?)");

maxdb_stmt_bind_param($stmt, 'sss', $zip, $name, $state);

$zip = '';

$name = 'Georgetown';

$state = 'NY';

/*execute prepared statement*/

maxdb_stmt_execute($stmt);

printf("%d Row inserted.\n", maxdb_stmt_affected_rows($stmt));

/*close statement and connection*/

maxdb_stmt_close($stmt);

/*Clean up table CountryLanguage*/

maxdb_query($link, "DELETE FROM temp.mycity WHERE name='Georgetown'");

printf("%d Row deleted.\n", maxdb_affected_rows($link));

/*close connection*/

maxdb_close($link);

?>

The above examples would produce the following output: 
1 Row inserted.

1 Row deleted.

Пример 3. Procedural style (SELECT INTO)

<?

$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

/*check connection*/

if (!$link){

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

exit();

}

/*Performing SQL query*/

$stmt = maxdb_prepare ($link, "SELECT price INTO ? FROM hotel.room where hno = ? and type = ?");

if (!$stmt){

printf ("Prepare failed: %s\n", maxdb_error($link));

}

$hno = "50";

$rtype = "suite";

maxdb_stmt_bind_param($stmt, 'dss', $price, $hno, $rtype);

maxdb_stmt_execute($stmt);

printf ("%f\n", $price);

maxdb_stmt_close ($stmt);

?>

The above examples would produce the following output: 
21.600000

Пример 4. Procedural style (DB procedure)

<?

$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

/*check connection*/

if (!$link){

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

exit();

}

maxdb_report (MAXDB_REPORT_OFF);

maxdb_query($link,"DROP DBPROC test_proc");

maxdb_report (MAXDB_REPORT_ERROR);

$query = "create dbproc test_proc (INOUT e_text char(72)) AS select * from SYSDBA.DUAL; fetch into :e_text;";

maxdb_query($link, $query);

/*Performing SQL query*/

$stmt = maxdb_prepare ($link, "CALL test_proc (?)");

if (!$stmt){

printf ("Prepare failed: %s\n", maxdb_error($link));

}

maxdb_stmt_bind_param($stmt, 's', $result);

maxdb_stmt_execute($stmt);

printf ("%s\n", $result);

maxdb_stmt_close ($stmt);

?>

The above examples would produce the following output: 
a

Пред.

Начало

След.

maxdb_stmt_affected_rows

Уровень выше

maxdb_stmt_bind_result

Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.

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