PDOStatement->bindValue

(PHP 5 >= 5.1.0, PECL pdo >= 1.0.0)

PDOStatement->bindValue — Binds a value to a parameter

Описание

bool PDOStatement::bindValue ( mixed $parameter , mixed $value [, int $data_type ] )

Binds a value to a corresponding named or question mark placeholder in the SQL statement that was use to prepare the statement.

Список параметров

parameter: Parameter identifier. For a prepared statement using named placeholders, this will be a parameter name of the form :name. For a prepared statement using question mark placeholders, this will be the 1-indexed position of the parameter.
value: The value to bind to the parameter.
data_type: Explicit data type for the parameter using the PDO::PARAM_* constants. Defaults to PDO::PARAM_STR.

Возвращаемые значения

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

Примеры

Пример #1 Execute a prepared statement with named placeholders


<?php
/* Execute a prepared statement by binding PHP variables */
$calories = 150;
$colour = 'red';
$sth = $dbh->prepare('SELECT name, colour, calories
    FROM fruit
    WHERE calories < :calories AND colour = :colour');
$sth->bindValue(':calories', $calories, PDO::PARAM_INT);
$sth->bindValue(':colour', $colour, PDO::PARAM_STR);
$sth->execute();
?>

Пример #2 Execute a prepared statement with question mark placeholders


<?php
/* Execute a prepared statement by binding PHP variables */
$calories = 150;
$colour = 'red';
$sth = $dbh->prepare('SELECT name, colour, calories
    FROM fruit
    WHERE calories < ? AND colour = ?');
$sth->bindValue(1, $calories, PDO::PARAM_INT);
$sth->bindValue(2, $colour, PDO::PARAM_STR);
$sth->execute();
?>

Смотрите также

PDO::prepare() - Prepares a statement for execution and returns a statement object
PDOStatement::execute() - Executes a prepared statement
PDOStatement::bindParam() - Binds a parameter to the specified variable name