SQLite3Stmt
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SQLite3Stmt::bindValue

(PHP 5 >= 5.3.0)

SQLite3Stmt::bindValueBinds the value of a parameter to a statement variable

说明

public bool SQLite3Stmt::bindValue ( string $sql_param , mixed $value [, int $type ] )

Binds the value of a parameter to a statement variable.

参数

sql_param

An string identifying the statement variable to which the value should be bound.

value

The value to bind to a statement variable.

type

The data type of the value to bind.

  • SQLITE3_INTEGER: The value is a signed integer, stored in 1, 2, 3, 4, 6, or 8 bytes depending on the magnitude of the value.

  • SQLITE3_FLOAT: The value is a floating point value, stored as an 8-byte IEEE floating point number.

  • SQLITE3_TEXT: The value is a text string, stored using the database encoding (UTF-8, UTF-16BE or UTF-16-LE).

  • SQLITE3_BLOB: The value is a blob of data, stored exactly as it was input.

  • SQLITE3_NULL: The value is a NULL value.

返回值

Returns TRUE if the value is bound to the statement variable, FALSE on failure.

范例

Example #1 SQLite3Stmt::bindValue() example

<?php
unlink
('mysqlitedb.db');
$db = new SQLite3('mysqlitedb.db');

$db->exec('CREATE TABLE foo (id INTEGER, bar STRING)');
$db->exec("INSERT INTO foo (id, bar) VALUES (1, 'This is a test')");

$stmt $db->prepare('SELECT bar FROM foo WHERE id=:id');
$stmt->bindValue(':id'1SQLITE3_INTEGER);

$result $stmt->execute();
var_dump($result->fetchArray());
?>


SQLite3Stmt
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用户评论:

zeebinz at gmail dot com (2010-07-23 19:54:36)

Note that this also works with positional placeholders using the '?' token:

<?php

$stmt 
$db->prepare('SELECT * FROM mytable WHERE foo = ? AND bar = ?');
$stmt->bindValue(1'somestring'SQLITE3_TEXT);
$stmt->bindValue(242SQLITE3_INTEGER);

?>

Positional numbering starts at 1.

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