PDOStatement::execute

(no version information, might be only in CVS)

PDOStatement::execute --  Executes a prepared statement

说明

bool PDOStatement::execute ( [array input_parameters] )

Execute the prepared statement. If the prepared statement included parameter markers, you must either:

  • call PDOStatement::bindParam() to bind PHP variables to the parameter markers: bound variables pass their value as input and receive the output value, if any, of their associated parameter markers

  • or pass an array of input-only parameter values

范例

例子 1. Execute a prepared statement with bound variables

<?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->bindParam(':calories', $calories, PDO_PARAM_INT);
$sth->bindParam(':colour', $colour, PDO_PARAM_STR, 12);
$sth->execute();
?>

例子 2. Execute a prepared statement with an array of insert values

<?php
/* Execute a prepared statement by passing an array of insert values */
$calories = 150;
$colour = 'red';
$sth = $dbh->prepare('SELECT name, colour, calories
    FROM fruit
    WHERE calories < :calories AND colour = :colour'
);
$sth->execute(array(':calories' => $calories, ':colour' => $colour));
?>

例子 3. 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->bindParam(1, $calories, PDO_PARAM_INT);
$sth->bindParam(2, $colour, PDO_PARAM_STR, 12);
$sth->execute();
?>

参见

PDO::prepare()
PDOStatement::bindParam()
PDOStatement::fetch()
PDOStatement::fetchAll()
PDOStatement::fetchColumn()