eZ\Publish\Core\Persistence\Legacy\Content\Language\Gateway\DoctrineDatabase::canDeleteLanguage PHP Method

    public function canDeleteLanguage($id)
    {
        $query = $this->dbHandler->createSelectQuery();
        $query->select($query->alias($query->expr->count('*'), 'count'))->from($this->dbHandler->quoteTable('ezcobj_state'))->where($query->expr->lOr($query->expr->eq($this->dbHandler->quoteColumn('default_language_id'), $query->bindValue($id, null, \PDO::PARAM_INT)), $query->expr->gt($query->expr->bitAnd($this->dbHandler->quoteColumn('language_mask'), $query->bindValue($id, null, \PDO::PARAM_INT)), 0)));
        $statement = $query->prepare();
        $statement->execute();
        if ($statement->fetchColumn() > 0) {
            return false;
        }
        $query = $this->dbHandler->createSelectQuery();
        $query->select($query->alias($query->expr->count('*'), 'count'))->from($this->dbHandler->quoteTable('ezcobj_state_group'))->where($query->expr->lOr($query->expr->eq($this->dbHandler->quoteColumn('default_language_id'), $query->bindValue($id, null, \PDO::PARAM_INT)), $query->expr->gt($query->expr->bitAnd($this->dbHandler->quoteColumn('language_mask'), $query->bindValue($id, null, \PDO::PARAM_INT)), 0)));
        $statement = $query->prepare();
        $statement->execute();
        if ($statement->fetchColumn() > 0) {
            return false;
        }
        $query = $this->dbHandler->createSelectQuery();
        $query->select($query->alias($query->expr->count('*'), 'count'))->from($this->dbHandler->quoteTable('ezcobj_state_group_language'))->where($query->expr->gt($query->expr->bitAnd($this->dbHandler->quoteColumn('language_id'), $query->bindValue($id, null, \PDO::PARAM_INT)), 0));
        $statement = $query->prepare();
        $statement->execute();
        if ($statement->fetchColumn() > 0) {
            return false;
        }
        $query = $this->dbHandler->createSelectQuery();
        $query->select($query->alias($query->expr->count('*'), 'count'))->from($this->dbHandler->quoteTable('ezcobj_state_language'))->where($query->expr->gt($query->expr->bitAnd($this->dbHandler->quoteColumn('language_id'), $query->bindValue($id, null, \PDO::PARAM_INT)), 0));
        $statement = $query->prepare();
        $statement->execute();
        if ($statement->fetchColumn() > 0) {
            return false;
        }
        $query = $this->dbHandler->createSelectQuery();
        $query->select($query->alias($query->expr->count('*'), 'count'))->from($this->dbHandler->quoteTable('ezcontentclass'))->where($query->expr->lOr($query->expr->eq($this->dbHandler->quoteColumn('initial_language_id'), $query->bindValue($id, null, \PDO::PARAM_INT)), $query->expr->gt($query->expr->bitAnd($this->dbHandler->quoteColumn('language_mask'), $query->bindValue($id, null, \PDO::PARAM_INT)), 0)));
        $statement = $query->prepare();
        $statement->execute();
        if ($statement->fetchColumn() > 0) {
            return false;
        }
        $query = $this->dbHandler->createSelectQuery();
        $query->select($query->alias($query->expr->count('*'), 'count'))->from($this->dbHandler->quoteTable('ezcontentclass_name'))->where($query->expr->gt($query->expr->bitAnd($this->dbHandler->quoteColumn('language_id'), $query->bindValue($id, null, \PDO::PARAM_INT)), 0));
        $statement = $query->prepare();
        $statement->execute();
        if ($statement->fetchColumn() > 0) {
            return false;
        }
        $query = $this->dbHandler->createSelectQuery();
        $query->select($query->alias($query->expr->count('*'), 'count'))->from($this->dbHandler->quoteTable('ezcontentobject'))->where($query->expr->lOr($query->expr->eq($this->dbHandler->quoteColumn('initial_language_id'), $query->bindValue($id, null, \PDO::PARAM_INT)), $query->expr->gt($query->expr->bitAnd($this->dbHandler->quoteColumn('language_mask'), $query->bindValue($id, null, \PDO::PARAM_INT)), 0)));
        $statement = $query->prepare();
        $statement->execute();
        if ($statement->fetchColumn() > 0) {
            return false;
        }
        $query = $this->dbHandler->createSelectQuery();
        $query->select($query->alias($query->expr->count('*'), 'count'))->from($this->dbHandler->quoteTable('ezcontentobject_attribute'))->where($query->expr->gt($query->expr->bitAnd($this->dbHandler->quoteColumn('language_id'), $query->bindValue($id, null, \PDO::PARAM_INT)), 0));
        $statement = $query->prepare();
        $statement->execute();
        if ($statement->fetchColumn() > 0) {
            return false;
        }
        $query = $this->dbHandler->createSelectQuery();
        $query->select($query->alias($query->expr->count('*'), 'count'))->from($this->dbHandler->quoteTable('ezcontentobject_name'))->where($query->expr->gt($query->expr->bitAnd($this->dbHandler->quoteColumn('language_id'), $query->bindValue($id, null, \PDO::PARAM_INT)), 0));
        $statement = $query->prepare();
        $statement->execute();
        if ($statement->fetchColumn() > 0) {
            return false;
        }
        $query = $this->dbHandler->createSelectQuery();
        $query->select($query->alias($query->expr->count('*'), 'count'))->from($this->dbHandler->quoteTable('ezcontentobject_version'))->where($query->expr->lOr($query->expr->eq($this->dbHandler->quoteColumn('initial_language_id'), $query->bindValue($id, null, \PDO::PARAM_INT)), $query->expr->gt($query->expr->bitAnd($this->dbHandler->quoteColumn('language_mask'), $query->bindValue($id, null, \PDO::PARAM_INT)), 0)));
        $statement = $query->prepare();
        $statement->execute();
        if ($statement->fetchColumn() > 0) {
            return false;
        }
        $query = $this->dbHandler->createSelectQuery();
        $query->select($query->alias($query->expr->count('*'), 'count'))->from($this->dbHandler->quoteTable('ezurlalias_ml'))->where($query->expr->gt($query->expr->bitAnd($this->dbHandler->quoteColumn('lang_mask'), $query->bindValue($id, null, \PDO::PARAM_INT)), 0));
        $statement = $query->prepare();
        $statement->execute();
        return $statement->fetchColumn() == 0;
    }