/**
* A utility function to create a new foreign key
* from attrib and add it to this table.
*/
public function addForeignKey($fkdata)
{
if ($fkdata instanceof ForeignKey) {
$fk = $fkdata;
$fk->setTable($this);
$this->foreignKeys[] = $fk;
if ($this->foreignTableNames === null) {
$this->foreignTableNames = array();
}
if (!in_array($fk->getForeignTableName(), $this->foreignTableNames)) {
$this->foreignTableNames[] = $fk->getForeignTableName();
}
return $fk;
} else {
$fk = new ForeignKey();
$fk->setTable($this);
$fk->loadFromXML($fkdata);
return $this->addForeignKey($fk);
}
}
