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Binds a value to a parameter
PDOStatement
PHP Manual

PDOStatement->bindValue

(No version information available, might be only in CVS)

PDOStatement->bindValue — Binds a value to a parameter

Description

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.

Parameters

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.

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #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();
?>

Example #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();
?>

See Also

PDOStatement
PHP Manual