private function createObjectName($prefix, $table, $col, $type)
    {
        // max object name length is 30 chars
        return substr($prefix . $table . '_' . $col . '_' . $type, 0, 30);
    }
private function createObjectName($prefix, $table, $col, $type)
    {
        // max object name length is 30 chars
        return substr($prefix . $table . '_' . $col . '_' . $type, 0, 30);
    }
private function createObjectName ( $ prefix , $ table , $ col , $ type ) { // max object name length is 30 chars return substr ( $ prefix . $ table . '_' . $ col . '_' . $ type , 0 , 30 ) ; }
Create an object name that limits to 30 chars.

@param  string $prefix
@param  string $table
@param  string $col
@param  string $type
@return string
Create an object name that limits to 30 chars .