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.
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(); ?>
