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# 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()

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