我正在为WP安装域的用户开发一个项目。
我将数据存储在WP使用的同一个数据库中（仅在不同的表中）。
我无法使用include函数来获取文件，只是使用那里的信息，因为根据http://wordpress.stackexchange.com的用户，wp-config.php在发布问题后永远不应该包含在文件中关于我遇到的问题（只有有时）这样做（The Issues that encounter when including the file）。
现在，我已经有了一个选项（因为包含wp-config.php问题仅遇到有时）：
我正在处理的应用程序需要安装（由用户运行）。因此，在安装过程中，我可以只包含wp-config.php文件 ONCE ，复制我需要的信息，并将其放入我自己的文件中，然后将其用于其余部分。应用
上述解决方案的问题是，如果我在安装过程中遇到问题该怎么办？用户必须一次又一次地尝试直到它工作。 =不开心的用户。
我可以用任何关于替代品的想法来实现这个目标吗？
答案 0 :(得分：1)
This blog post似乎有你正在寻找的答案，完成代码来完成它。作者按照您在问题中链接的帖子的评论中的建议进行操作。
摘自帖子：
我需要一个脚本来从wp-config.php中提取数据库详细信息 文件，所以我可以在我的时候将登录详细信息保存在一个位置 编写WP框架之外的东西。
我想出了一个这样做的类，连接到mysql并选择 数据库。有三种连接选项：
PDO，mySQLi或 程序性mysql_connect()。
更新：由于原始博文不可用，因此原始代码为：
<?php
/**
* This class pulls the database logon information out of wp-config.
* It then evals the settings it finds into PHP and then makes the
* database connection.
*
* Acts as a Singleton.
*
* @package wpConfigConnection
* @author Mark Flint
* @link www.bluecubeinteractive.com
* @copyright Please just leave this PHPDoc header in place.
*/
Class wpConfigConnection
{
/**
* @var object $_singleton This is either null in the case that this class has not been
* called yet, or an instance of the class object if the class has been called.
*
* @access public
*/
private static $_singleton;
/**
* @var resource $_con The connection.
* @access public
*/
public $_con;
/**
* The wp-config.php file var
* @var string $str The string that the file is brought into.
* @access private
*/
private $str;
/**
* @var $filePath Path to wp-config.php file
* @access private
*/
private $filePath;
/**
* @var array Array of constant names used by wp-config.php for the
* logon details
* @access private
*/
private $paramA = array(
'DB_NAME',
'DB_USER',
'DB_PASSWORD',
'DB_HOST'
);
/**
* @var bool $database Can check this var to see if your database was connected successfully
*/
public $_database;
/**
* Constructor. This function pulls everything together and makes it happen.
* This could be unraveled to make the whole thing more flexible later.
*
* @param string $filePath Path to wp-config.php file
* @access private
*/
private
function __construct($type = 1, $filePath = './wp-config.php')
{
$this->filePath = $filePath;
$this->getFile();
$this->serverBasedCondition();
/**
* eval the WP contants into PHP
*/
foreach($this->paramA as $p)
{
$this->evalParam('define(\'' . $p . '\'', '\');');
}
switch ($type)
{
default:
case 1:
$this->conMySQL_Connect();
break;
case 2:
$this->conPDO();
break;
case 3:
$this->conMySQLi();
break;
}
}
/**
* Make the connection using mysql_connect
*/
private
function conMySQL_Connect()
{
try
{
if (($this->_con = @mysql_connect(DB_HOST, DB_USER, DB_PASSWORD)) == false)
{
throw new Exception('Could not connect to mySQL. ' . mysql_error());
}
}
catch(Exception $e)
{
exit('Error on line ' . $e->getLine() . ' in ' . $e->getFile() . ': ' . $e->getMessage());
}
try
{
if (($this->_database = mysql_select_db(DB_NAME, $this->_con)) == false)
{
throw new Exception('Could not select database. ' . mysql_error());
}
}
catch(Exception $e)
{
exit('Error on line ' . $e->getLine() . ' in ' . $e->getFile() . ': ' . $e->getMessage());
}
}
/**
* Make the connection using mySQLi
*/
private
function conMySQLi()
{
$this->_con = @new mysqli(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);
if (mysqli_connect_errno())
{
exit('MySQLi connection failed: ' . mysqli_connect_error());
}
}
/**
* Make the connection using PDO
*/
private
function conPDO()
{
try
{
$dsn = 'mysql:host=' . DB_HOST . ';dbname=' . DB_NAME;
$this->_con = @new PDO($dsn, DB_USER, DB_PASSWORD);
}
catch(PDOException $e)
{
exit('Error on line ' . $e->getLine() . ' in ' . $e->getFile() . ': ' . $e->getMessage());
}
}
/**
* Read the wp-config.php file into a string
*
* @access private
*/
private
function getFile()
{
try
{
$this->str = @file_get_contents($this->filePath);
if ($this->str == false)
{
throw new Exception('Failed to read file (' . $this->filePath . ') into string.');
}
}
catch(Exception $e)
{
exit('Error on line ' . $e->getLine() . ' in ' . $e->getFile() . ': ' . $e->getMessage());
}
}
/**
* Get the logon parameter and evaluate it into PHP.
* Eg, eval("define('DB_NAME', 'm4j3lub3_wordpress');");
*
* @param string $pre This defines what to look for at the start of a logon parameter
* definition. Eg, if you are looking for "define('DB_NAME', 'm4j3lub3_wordpress');"
* then the $pre bit would be "define('DB_NAME'".
*
* @param string $post Like $pre, this defines what to look for at the end of the logon
* parameter definition. In the case of WordPress it is always going to be "');"
*
* @access private
*/
private
function evalParam($pre, $post)
{
$str = $this->str;
$str1 = substr($str, strpos($str, $pre));
$str1 = substr($str1, 0, strpos($str1, $post) + strlen($post));
eval($str1);
}
/**
* Grab the right code block if there are more than one set of definitions
*
* Sets $this->str to be the right code block
*
* Used for when there are conditional settings based on local or remote configuration,
* using the condition: if ($_SERVER['HTTP_HOST']=='localhost') { ...
*
* @access private
*/
private
function serverBasedCondition()
{
if (strpos($this->str, '$_SERVER["HTTP_HOST"]') || strpos($this->str, '$_SERVER[\'HTTP_HOST\']'))
{
if (strpos($this->str, '$_SERVER["HTTP_HOST"]'))
{
// case of double quotes - get a substring
$this->str = substr($this->str, strpos($this->str, '$_SERVER["HTTP_HOST"]'));
}
elseif (strpos($this->str, '$_SERVER[\'HTTP_HOST\']'))
{
// case of single quotes - get a substring
$this->str = substr($this->str, strpos($this->str, '$_SERVER[\'HTTP_HOST\']'));
}
// substring from 1st occurance of {
$this->str = substr($this->str, strpos($this->str, '{') + 1);
if ($_SERVER['HTTP_HOST'] == 'local.dev')
{
// local - substring from start to 1st occurance of } - this is now the block
$this->str = substr($this->str, 0, strpos($this->str, '}') - 1);
}
else
{
// remote - substring from the else condition
$this->str = substr($this->str, strpos($this->str, '{') + 1);
$this->str = substr($this->str, 0, strpos($this->str, '}') - 1);
}
// replace all double quote with single to make it easier to find the param definitions
$this->str = str_replace('"', '\'', $this->str);
}
}
/**
* Return an instance of the class based on type of connection passed
*
* $types are:
* 1 = Procedural connection using mysql_connect()
* 2 = OOP connection using PHP Data Objects (PDO)
* 3 = OOP connection using mySQLi
*
* @return resource Database connection
* @access private
*/
private static
function returnInstance($type)
{
if (is_null(self::$_singleton))
{
self::$_singleton = new wpConfigConnection($type);
}
return self::$_singleton;
}
/**
* Action the return of the instance based on Procedural connection using mysql_connect()
*
* @access public
* @return resource Procedural connection using mysql_connect()
*/
public static
function getInstance()
{
return self::returnInstance(1);
}
/**
* Action the return of the instance based on OOP connection using PDO
*
* @access public
* @return resource OOP connection using PHP Data Objects (PDO)
*/
public static
function getPDOInstance()
{
return self::returnInstance(2);
}
/**
* Action the return of the instance based on OOP connection using mySQLi
*
* @access public
* @return resource OOP connection using mySQLi
*/
public static
function getMySQLiInstance()
{
return self::returnInstance(3);
}
}
// USAGE EXAMPLES
// mysql_connect example
$mfdb = wpConfigConnection::getInstance();
try
{
$query = 'select * FROM wp_users';
$res = mysql_query($query);
if ($res == false)
{
throw new Exception('mySQL error: ' . mysql_error() . '. Query: ' . $query);
}
}
catch(Exception $e)
{
echo 'Error on line ' . $e->getLine() . ' in ' . $e->getFile() . ': ' . $e->getMessage();
exit;
}
while ($row = mysql_fetch_assoc($res))
{
echo $row['user_login'] . '<br />';
}
// PDO example, showing prepared statement with bound value
$mfdb = wpConfigConnection::getPDOInstance();
$mfdb->_con->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
$mfdb->_con->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$query = "SELECT * FROM wp_users WHERE 1=:cond";
$stmt = $mfdb->_con->prepare($query);
$stmt->bindValue(':cond', 1);
$stmt->execute();
while ($row = $stmt->fetch())
{
echo $row['user_login'] . '<br />';
}
$mfdb->_con = null;
// mySQLi example
$mfdb = wpConfigConnection::getMySQLiInstance();
$sql = ' SELECT * FROM wp_users';
if (!$mfdb->_con->real_query($sql))
{
echo 'Error in query: ' . $mfdb->_con->error;
exit;
}
if ($result = $mfdb->_con->store_result())
{
while ($row = $result->fetch_assoc())
{
echo $row['user_login'] . '<br />';
}
}
$result->close();
?>
来源：https://web.archive.org/web/20130410000149/www.markflint.net/parsing-wordpress-wp-config-php-file/
答案 1 :(得分：1)
对于必须与WordPress安装集成的项目，我总是包含'wp-blog-header.php'。
Integrating WordPress with Your Website
示例：
<?php
/* Short and sweet */
define('WP_USE_THEMES', false);
require('./wp-blog-header.php');
?>
阅读完评论后，我建议编写（在安装过程中）脚本，查找WordPress的配置文件，并为DB_NAME，DB_USER，DB_PASSWORD，DB_HOST，DB_CHARSET，DB_COLLATE提取已定义的值并将其存储在你自己的配置文件。
答案 2 :(得分：1)
我建议在主题文件夹中创建一个名为page-custom-name.php的文件，然后发布一个标题为“Custom-name”的空白页面。现在，当您访问www.yoursite / custom-name时，您将看到该页面。
在page-custom-name.php中，您只需输入：
global $wpdb;
并且您可以访问数据库：）
答案 3 :(得分：0)
<?php
require_once('wp-load.php');
// your script here. which conforms to wordpress standards.
答案 4 :(得分：0)
如果您只想在没有其他Wordpress功能的情况下访问wp-config.php。
执行以下步骤：
1：在插件目录中创建一个空的wp-settings.php文件
2：将此广告到您的php文件
- (void)viewDidLoad
{
NSLog(@"viewDidLoad ");
[super viewDidLoad];
leftMenu.target=self.revealViewController;
leftMenu.action=@selector(revealToggle:);
self.title=@"Main";
[self.view addGestureRecognizer:self.revealViewController.panGestureRecognizer];
[UIApplication sharedApplication].networkActivityIndicatorVisible=YES;
NSURL *url=[NSURL URLWithString:@"http://www.test.com/ios/GetMainInfoByCat.php?cat_id=76"];
NSURLRequest *request=[NSURLRequest requestWithURL:url];
[[NSURLConnection alloc] initWithRequest:request delegate:self];
//self.collectionview.dataSource=self;
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
-(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
data=[[NSMutableData alloc]init];
}
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)Thedata
{
[data appendData:Thedata];
}
- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
NSLog(@"connectionDidFinishLoading ");
[UIApplication sharedApplication].networkActivityIndicatorVisible=NO;
dnews=[NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
news=[dnews objectForKey:@"news_main_info_by_cat"];
NSString *str=[news valueForKey:@"img_url"];
//[self.collectionview reloadData];
//NSLog(@"%@",str);
}
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
{
UIAlertView *erroMsg=[[UIAlertView alloc]initWithTitle:@"Error" message:@"Qoşula bilmədi. İnternet bağlantınızı yoxlayın" delegate:nil cancelButtonTitle:@"Dismiss" otherButtonTitles:nil, nil];
[erroMsg show];
[UIApplication sharedApplication].networkActivityIndicatorVisible=NO;
}
-(NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
[collectionView.collectionViewLayout invalidateLayout];
return 1;
}
-(NSInteger) collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
NSLog(@"%i",[news count]);
[collectionView.collectionViewLayout invalidateLayout];
return 10;
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
CollectionViewCell *cell=(UICollectionView *)[collectionView dequeueReusableCellWithReuseIdentifier:@"cell" forIndexPath:indexPath];
cell.newsTitle.text=[[news objectAtIndex:indexPath.row] objectForKey:@"post_title"];
//cell.newsImage.image=[NSData dataWithContentsOfURL:[NSURL URLWithString:[[news objectAtIndex:indexPath.row] objectForKey:@"img_url"]]];
//[[news objectAtIndex:indexPath.row] objectForKey:@"img_url"];
return cell;
}
这适用于WordPress 4.2.4“向下和向上”，我在我们自己的插件mywebapplets中进行了测试。
答案 5 :(得分：0)
这是SonerGönül解决方案的变体，也基于独立脚本。小心将此文件放在没有人可以访问它的位置，除了您（例如：受Apache密码保护的文件夹或其他具有访问限制的域）。执行以下步骤：
1 - 创建一个名为wp-settings.php的空php脚本
2 - 假设您的WordPress文件夹的路径是/ var / www / html /，将下面的代码添加到另一个脚本（例如：db-info.php），放在与以前创建的空脚本相同的文件夹中
<?php
// you are defining ABSPATH here, so wp-config.php won't be able to define it again. The result is that wp-config.php, when required, will require your empty script (and not the real wp-settings.php), avoiding this way the start of WordPress loading.
define('ABSPATH', __DIR__ . '/');
// assuming that the path to your WordPress folder is /var/www/html/. Typing the path directly, instead of using $_SERVER['DOCUMENT_ROOT'], will allow you to run the script from anywhere (another domain of your server, for example).
require_once '/var/www/html/wp-config.php';
3 - 要查看代码是否正常工作：将以下行添加到脚本的末尾，
echo DB_NAME . '<br>';
echo DB_HOST . '<br>';
并使用您的浏览器进行测试，访问：http：//'one-of-your-domains/path-to/db-info.php