PHP wpdb::__construct方法代码示例

 /**
  * Class constructor
  */
 function __construct($dbuser, $dbpassword, $dbname, $dbhost)
 {
     foreach ($this->qm_php_vars as $setting => &$val) {
         $val = ini_get($setting);
     }
     parent::__construct($dbuser, $dbpassword, $dbname, $dbhost);
 }

 /**
  * Create an instance of WPDKDB class
  *
  * @brief Construct
  *
  * @return WPDKDB
  */
 public function __construct()
 {
     // Extends WordPress Database class
     parent::__construct(DB_USER, DB_PASSWORD, DB_NAME, DB_HOST);
     /*
      * Remake check for MySQLi extension because WordPress keep this flag as private.
      *
      * Use ext/mysqli if it exists and:
      *
      *  - WP_USE_EXT_MYSQL is defined as false, or
      *  - We are a development version of WordPress, or
      *  - We are running PHP 5.5 or greater, or
      *  - ext/mysql is not loaded.
      */
     if (function_exists('mysqli_connect')) {
         if (defined('WP_USE_EXT_MYSQL')) {
             $this->mysqli = !WP_USE_EXT_MYSQL;
         } elseif (version_compare(phpversion(), '5.5', '>=') || !function_exists('mysql_connect')) {
             $this->mysqli = true;
         } elseif (false !== strpos($GLOBALS['wp_version'], '-')) {
             $this->mysqli = true;
         }
     }
     // Raise the memory limit and max_execution time
     @ini_set('memory_limit', apply_filters('admin_memory_limit', WP_MAX_MEMORY_LIMIT));
     @set_time_limit(0);
 }

 /**
  * PHP5 constructor
  *
  * @param string $dbuser
  * @param string $dbpassword
  * @param string $dbname
  * @param string $dbhost
  */
 function __construct($dbuser, $dbpassword, $dbname, $dbhost)
 {
     require_once W3TC_LIB_W3_DIR . '/Config.php';
     $this->_config =& W3_Config::instance();
     $this->_lifetime = $this->_config->get_integer('dbcache.lifetime');
     if ($this->_config->get_boolean('dbcache.enabled') && $this->_config->get_boolean('dbcache.debug')) {
         ob_start(array(&$this, 'ob_callback'));
     }
     parent::__construct($dbuser, $dbpassword, $dbname, $dbhost);
 }

    /**
     * Connects to the database server and selects a database
     *
     * PHP5 style constructor for compatibility with PHP5. Does
     * the actual setting up of the class properties and connection
     * to the database.
     *
     * @link http://core.trac.wordpress.org/ticket/3354
     * @since 2.0.8
     *
     * @param string $dbuser MySQL database user
     * @param string $dbpassword MySQL database password
     * @param string $dbname MySQL database name
     * @param string $dbhost MySQL database host
     */
    function __construct($dbuser, $dbpassword, $dbname, $dbhost)
    {
        if (!extension_loaded('mysqli')) {
            $this->bail('
<h1>Extension Not Loaded</h1>
<p>The mysqli PHP extension is not loaded properly or available for PHP to use.</p>
<ul>
<li>Check your phpinfo</li>
<li>Make sure it is loaded in your php ini file</li>
<li>Turn on display_errors and display_startup_errors so you can detect issues with loading the module.</li>
</ul>');
            return;
        }
        parent::__construct($dbuser, $dbpassword, $dbname, $dbhost);
    }

 /**
  * @see wpdb::__construct()
  * @param string $dbuser
  * @param string $dbpassword
  * @param string $dbname
  * @param string $dbhost
  */
 function __construct($dbuser, $dbpassword, $dbname, $dbhost)
 {
     parent::__construct($dbuser, $dbpassword, $dbname, $dbhost);
     // these will be whitelisted for both read and write operations
     $ignore_both = array('_comment', '_cron', '_cache', '_count', "'cron'", '_edit_lock', '_nonce', '_logins', '_random_seed', '_stats');
     self::$CACHE_READ_WHITELIST = $ignore_both;
     self::$CACHE_WRITE_WHITELIST = $ignore_both;
     // read-only ignore list for things like random numbers and such that have no directly related insert/update statement
     array_push(self::$CACHE_READ_WHITELIST, 'FOUND_ROWS', 'RAND()');
     // merge in any user-defined keywords
     if (defined('CACHE_READ_WHITELIST') && CACHE_READ_WHITELIST) {
         self::$CACHE_READ_WHITELIST = array_merge(self::$CACHE_READ_WHITELIST, explode('|', CACHE_READ_WHITELIST));
     }
     // merge in any user-defined keywords
     if (defined('CACHE_WRITE_WHITELIST') && CACHE_WRITE_WHITELIST) {
         self::$CACHE_WRITE_WHITELIST = array_merge(self::$CACHE_WRITE_WHITELIST, explode('|', CACHE_WRITE_WHITELIST));
     }
 }

 function __construct()
 {
     parent::__construct('root', '', 'opusx', 'localhost');
 }

 public function __construct($host, $user, $pass, $db)
 {
     parent::__construct($host, $user, $pass, $db);
 }