(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 1.0.0)
Binds a value to a parameter
public bool PDOStatement::bindValue ( mixed $parameter, mixed $value [, int $data_type = PDO::PARAM_STR ] )
Binds a value to a corresponding named or question mark placeholder in the SQL statement that was used 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.
Returns:
Returns TRUE
on success or FALSE
on failure.
Examples:
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(); ?>
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:
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