public function __construct()
{
// automatically define table name (if not defined)
if (!isset($this->_name)) {
// delete prefix
$className = preg_replace('`^.*Model_Table_`', '', get_class($this));
// add slash after upper case letters
$name = preg_replace('`[^_]([A-Z])`', '_$1', $className);
// table name in lower case
$this->_name = strtolower($name);
}
// load tables structure
if (is_null(self::$_structure)) {
self::$_structure = Days_Config::load('database')->get();
}
// check table definition
if (!array_key_exists($this->_name, self::$_structure)) {
throw new Days_Exception("Not defined table structure for `{$this->_name}`");
}
// set adapter for all tables
if (!$this->_db) {
$this->_db = Days_Db::factory();
$this->_select = $this->_db->select();
}
}
/**
* Delete variable (as array key).
*
* @param string $offset Int or string variable name
*/
public final function offsetUnset($offset)
{
// magic field name
$offset = $this->_table->column($offset);
unset($this->_values[$offset]);
}