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https://github.com/maxpozdeev/mytinytodo.git
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51 lines
1.1 KiB
PHP
51 lines
1.1 KiB
PHP
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<?php
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class DBConnection
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{
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protected static $instance;
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public static function init(Database_Abstract $instance) : Database_Abstract
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{
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self::$instance = $instance;
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return $instance;
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}
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public static function instance() : Database_Abstract
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{
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if (!isset(self::$instance)) {
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throw new Exception("DBConnection is not initialized");
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}
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return self::$instance;
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}
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public static function setPrefix($prefix)
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{
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$db = self::instance();
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$db->prefix = $prefix;
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}
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}
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abstract class Database_Abstract
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{
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var $lastQuery = null;
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var $prefix = '';
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abstract function connect($params);
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abstract function sq($query, $p = NULL);
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abstract function sqa($query, $p = NULL);
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abstract function dq($query, $p = NULL) : DatabaseResult_Abstract;
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abstract function ex($query, $p = NULL);
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abstract function affected();
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abstract function quote($s);
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abstract function quoteForLike($format, $s);
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abstract function lastInsertId($name = null);
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abstract function tableExists($table);
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}
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abstract class DatabaseResult_Abstract
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{
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abstract function fetchRow();
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abstract function fetchAssoc();
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}
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?>
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