Need help transforming Zend Db Select from zf1 to zf2 - php

Question

I am doing a update on my framework. Previously i am using zf1 zend db select for my data access object class. Now, i would like to make a shift and upgrade to zf2. I have problems translating for the insert, update, select, and delete queries and wonder if someone can shed some light to assist me.
What are the new classes that i should use?
Does it involve alot of re-coding?
Any references will helps alot ( Been looking through stackoverflow, but haven found a comprehensive guide)
Below is my code for insert/update/delete/select for zf1
Insert
$userdata = array('email' => $email,
'name' => $name,
'gender' => $gender,
'location' => $location,
'fbid' => $fbid,
'ipaddress' => $ipaddress,
'jointimestamp'=>new Zend_Db_Expr('NOW()'));
$this->dbo->insert('users', $userdata);
return $this->dbo->lastInsertId();
Select
if($this->dbo->fetchOne('SELECT id FROM users WHERE username = ?',$username)){
return true;
}else{
return false;
}
Update
$userdata = array($field => $value);
$this->dbo->update('user', $userdata, $this->dbo->quoteInto('useremail = ?', $this->user));
Also, does zf2 has fetchall, fetchone, fetchrow methods etc?
Appreciate any advices.

Answer 1

After reading the documentation, i have come out with the insert/select/update queries for zf2. Below is the code snippet for benefit of those who may need it in future. I am using Zend\Db\Select as a standalone classes for my custom mvc framework.
Adapter
$adapter = new Zend\Db\Adapter\Adapter(array(
'driver' => 'pdo_mysql',
'host' => DB_HOST,
'database' => DB_PREFIX.DB_NAME,
'username' => DB_USER,
'password' => DB_PW
));
Select
$select = $this->sql->select()
->from('table')
->join('users', 'users.id = table.userid')
->order("table.createdtimestamp DESC");
$statement = $this->sql->prepareStatementForSqlObject($select);
$result = $statement->execute();
$resultSet = new ResultSet();
$resultSet->initialize($result);
return $resultSet->toArray();
Insert
$insert = $this->sql->insert()
->into("messages");
$userdata = array(
'message' => $message,
'createdtimestamp'=>new Zend\Db\Sql\Expression('NOW()'),
'userid' => $userid);
$insert->values($userdata );
$statement = $this->sql->prepareStatementForSqlObject($insert);
$result = $statement->execute();
//return last insert id
return $this->dbo->getDriver()->getLastGeneratedValue();
Update
$update = $this->sql->update()
->table('posts')
->where(array('pid'=>$pid));
$numbercountarr = array('numbercount' => new Zend\Db\Sql\Expression('numbercount+ 1'));
$update->set($numbercountarr );
$statement = $this->sql->prepareStatementForSqlObject($update);
result = $statement->execute();
To count rows
$statement = $this->sql->prepareStatementForSqlObject($query);
$result = $statement->execute();
return $result->count();
Hope this can help those who need it save some time.