220 lines
4.2 KiB
PHP
220 lines
4.2 KiB
PHP
<?php
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/**
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* Just for giggles extend PHP's PDO class
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*/
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class db extends PDO {
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private $statement;
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private static $instance;
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public static function get_instance($dbname="default", $options=array())
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{
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if ( ! isset(self::$instance[$dbname]))
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{
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//echo 'Creating new instance of db class.';
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self::$instance[$dbname] = new db($dbname);
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}
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return self::$instance[$dbname];
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}
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function __construct($dbname="default", $options=array())
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{
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//Include the database config file
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require(APP_PATH . 'config/db.php');
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// Array manipulation is too verbose
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extract($db_conf[$dbname]);
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// Sqlite doesn't use dbname param
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$dsn = (stripos($type, "sqlite") === FALSE) ? "{$type}:dbname={$db}" : "{$type}:{$db}";
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// Set hostname if applicable
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if(isset($host))
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{
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$dsn .= ($host !== "") ? ";host={$host}" : "";
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}
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// Set port if applicable
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if(isset($port))
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{
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$dsn .= ($port !== "") ? ";port={$port}" : "";
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}
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if($user === "" && $pass === "")
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{
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$user = null;
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$pass = null;
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}
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$opts = array(
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//PDO::ATTR_PERSISTENT => (isset($persist)) ? $persist : FALSE,
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//PDO::ATTR_ERRMODE => PDO::ERRMODE_WARNING,
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);
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if( ! isset($persist))
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{
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unset($opts[PDO::ATTR_PERSISTENT]);
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}
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$options = array_merge($opts, $options);
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parent::__construct($dsn, $user, $pass, $options);
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self::$instance[$dbname] =& $this;
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}
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// --------------------------------------------------------------------------
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/**
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* PHP magic method to facilitate dynamic methods
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*
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* @param string $name
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* @param array $args
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*/
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function __call($name, $args)
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{
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if(is_callable($this->$name))
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{
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//Add $this to the beginning of the args array
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array_unshift($args, $this);
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//Call the dynamic function
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return call_user_func_array($this->$name, $args);
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}
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}
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// --------------------------------------------------------------------------
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/**
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* PHP magic methods to call non-static methods statically
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*
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* @param string $name
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* @param array $args
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*/
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public static function __callStatic($name, $args)
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{
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if(is_callable(parent::$name))
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{
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return call_user_func_array(parent::$name, $args);
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}
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}
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// --------------------------------------------------------------------------
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/**
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* Prints out the contents of the object when used as a string
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*
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* @return string
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*/
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function __toString()
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{
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$args = func_get_args();
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$method = ( ! empty($args)) ? $args[0] : "print_r";
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$output = '<pre>';
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if($method == "var_dump")
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{
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ob_start();
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var_dump($this);
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$output .= ob_get_contents();
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ob_end_clean();
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}
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else if($method == "var_export")
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{
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ob_start();
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var_export($this);
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$output .= ob_get_contents();
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ob_end_clean();
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}
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else
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{
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$output .= print_r($this, TRUE);
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}
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return $output . '</pre>';
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}
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// --------------------------------------------------------------------------
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/**
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* Constructor without the "new"
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*
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* @param array $members
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*/
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/*function __invoke($db="default")
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{
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return self::get_instance($db);
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}
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function start_transaction()
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{
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if( ! $this->inTransaction())
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{
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return $this->beginTransaction();
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}
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}
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function commit()
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{
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if($this->inTransaction())
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{
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return parent::commit();
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}
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}
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function rollback()
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{
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if($this->inTransaction())
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{
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return parent::rollBack();
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}
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}
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function prepare($sql, $driver_options=array())
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{
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$this->statement = parent::prepare($sql, $driver_options);
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return $this->statement;
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}
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function set()
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{
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}*/
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/**
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* Returns the last error from the database
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*
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* @return string
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*/
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function get_last_error()
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{
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$error = array();
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if(isset($this->statement))
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{
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$error = $this->statement->errorInfo();
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}
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else
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{
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$error = $this->errorInfo();
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}
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$code = $error[0];
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$driver_code = $error[1];
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$message = $error[2];
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// Contain the content for buffering
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ob_start();
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include(APP_PATH.'/errors/error_db.php');
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$buffer = ob_get_contents();
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ob_end_clean();
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echo $buffer;
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}
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}
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// End of db.php
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