/**
* Test existence of row field
*
* @param string $columnName The column key.
* @return boolean
*/
public function __isset($columnName)
{
$columnName = $this->_transformColumn($columnName);
//Test direct column
if ($this->columnsExists($columnName)) {
return true;
}
//Test concatenation of column
if (null !== ($pos = strpos($columnName, '+')) && $pos !== false) {
$part1 = isset($this->{trim(substr($columnName, 0, $pos))});
$part2 = isset($this->{trim(substr($columnName, $pos + 1))});
return $part1 && $part2;
}
//Test reference, dependant and many dependant column with cascade
if (null !== ($pos = strpos($columnName, '__')) && $pos !== false) {
$row = $this->{substr($columnName, 0, $pos)};
if ($row == null) {
return false;
}
return isset($row->{substr($columnName, $pos + 2)});
}
//Test special get column
if (array_key_exists($columnName, $this->_specialGets)) {
if (!method_exists($this, $this->_specialGets[$columnName])) {
throw new Centurion_Db_Table_Exception(sprintf("Specified method \"%s\" does not exist", $this->_specialGets[$columnName]));
}
return true;
}
$referenceMap = $this->getTable()->info('referenceMap');
if (isset($referenceMap[$columnName])) {
return true;
}
$dependentTables = $this->getTable()->info('dependentTables');
if (isset($dependentTables[$columnName])) {
return true;
}
$manyDependentTables = $this->getTable()->info('manyDependentTables');
if (isset($manyDependentTables[$columnName])) {
return true;
}
return parent::__isset($columnName);
}
/**
* Test existence of row field
* @param String $columnName The column key.
* @return Boolean
*/
public function __isset($columnName)
{
// Check if native column from database.
$result = parent::__isset($columnName);
if (!$result) {
// Check if "virtual" column added thru Garp modification.
$result = array_key_exists($columnName, $this->_related) || array_key_exists($columnName, $this->_virtual);
}
return $result;
}
/**
* Overrides the magic isset method to support testing if a foreign key object
* has been loaded for the requested attribute name. If the requested attribute
* is not a foreign key object attribute, it simply invokes the parent class method.
* @param string $name The attribute name to test.
* @return bool
*/
public function __isset($name)
{
if ($this->hasForeignKey($name)) {
return isset($this->_foreignObjects[$name]);
} else {
return parent::__isset($columnName);
}
}
