PDOStatement::bindValue

(PHP 5 >= 5.1.0, PHP 7, PHP 8, PECL pdo >= 1.0.0)

PDOStatement::bindValue — Binds a value to a parameter

Description

publicPDOStatement::bindValue(string|int$param, mixed$value, int$type = PDO::PARAM_STR): bool

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

Parameters

param: 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.
type: Explicit data type for the parameter using the PDO::PARAM_* constants.

Return Values

Returns true on success or false on failure.

Errors/Exceptions

Emits an error with level E_WARNING if the attribute PDO::ATTR_ERRMODE is set to PDO::ERRMODE_WARNING.

Throws a PDOException if the attribute PDO::ATTR_ERRMODE is set to PDO::ERRMODE_EXCEPTION.

Examples

Example #1 Execute a prepared statement with named placeholders

<?php

$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();
?>

Example #2 Execute a prepared statement with question mark placeholders

<?php

$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();
?>