mootensai\enhancedgii\crud\Generator::generateFK PHP Method

    public function generateFK($tableSchema = null)
    {
        if (is_null($tableSchema)) {
            $tableSchema = $this->getTableSchema();
        }
        $fk = [];
        if (isset($this->relations[$tableSchema->fullName])) {
            foreach ($this->relations[$tableSchema->fullName] as $name => $relations) {
                foreach ($tableSchema->foreignKeys as $value) {
                    if (isset($relations[self::REL_FOREIGN_KEY]) && $relations[self::REL_TABLE] == $value[self::FK_TABLE_NAME]) {
                        if ($tableSchema->fullName == $value[self::FK_TABLE_NAME] && $relations[self::REL_IS_MULTIPLE]) {
                            // In case of self-referenced tables (credit to : github.com/iurijacob)
                        } else {
                            $fk[$relations[5]] = $relations;
                            $fk[$relations[5]][] = $name;
                        }
                    }
                }
            }
        }
        return $fk;
    }