CRUD Query in CodeIgniter 4

You can find Database Query for CRUD operation in CodeIgniter 4 below.

SELECT query in CodeIgniter 4
INSERT query in CodeIgniter 4
UPDATE query in CodeIgniter 4
DELETE query in CodeIgniter 4

SELECT

$table ="tableName";
$$email = "info@codypaste.com";
$status = "1";
$condition = "status =" . "'" . $status ."' AND email = '".$email."'";
$result = 
$this->db->table($table)
->select('*')
->where($condition);
$record = $result->get()->getResult();
$numRows = count($record);
$numRows = $result->get()->getNumRows();

print_r($record);
echo $numRows;

$table ="tableName";

$$email = "info@codypaste.com";

$status = "1";

$condition = "status =" . "'" . $status ."' AND email = '".$email."'";

$result =

$this->db->table($table)

->select('*')

->where($condition);

$record = $result->get()->getResult();

$numRows = count($record);

$numRows = $result->get()->getNumRows();

print_r($record);

echo $numRows;

For Number of rows you can use ‘$result->get()->getNumRows();‘ butit will return 1 record more because of ‘$result->get()->getResult();‘
You can use only one of them ‘$result->get()->getNumRows();‘ OR ‘$result->get()->getResult();‘ for better result.

So, it’s preferred to use ‘count($record);‘ for number of rows.

INSERT

$first_name = $this->request->getPost('first_name');
$last_name  = $this->request->getPost('last_name');
$email      = $this->request->getPost('email'); 

$table = "users";       
		
$data = [
	'first_name'	=> $first_name,
	'last_name'		=> $last_name,
	'email'			=> $email,
	'phone'			=> $phone,
	'pwd'			=> $pwd,
	'otp'			=> $otp,
	'status'		=> '0'
];     
	    
$result = $this->db
	->table($table)
	->insert($data);
	
$affected_rows = $this->db->affectedRows();

if($affected_rows > 0){
	return 1;
}else{
	return 0;
}

$first_name = $this->request->getPost('first_name');

$last_name = $this->request->getPost('last_name');

$email = $this->request->getPost('email');

$table = "users";

$data = [

'first_name' => $first_name,

'last_name' => $last_name,

'email' => $email,

'phone' => $phone,

'pwd' => $pwd,

'otp' => $otp,

'status' => '0'

];

$result = $this->db

->table($table)

->insert($data);

$affected_rows = $this->db->affectedRows();

if($affected_rows > 0){

return 1;

}else{

return 0;

}

UPDATE

$table = "users";
$data = [
	'status' => 1
];

$condition = "email = '".$email."'";
$result = $this->db
	->table($table)
	->where($condition)
	->set($data)
	->update();

$affected_rows = $this->db->affectedRows();

if($affected_rows > 0){
	return 1;
}else{
	return 0;
}

$table = "users";

$data = [

'status' => 1

];

$condition = "email = '".$email."'";

$result = $this->db

->table($table)

->where($condition)

->set($data)

->update();

$affected_rows = $this->db->affectedRows();

if($affected_rows > 0){

return 1;

}else{

return 0;

}

DELETE

$table ="users";
$id = "1";

$condition = "id = '".$id."'";
$result = $this->db
	->table($table)
	->where($condition)
	->delete();

$affected_rows = $this->db->affectedRows();

if($affected_rows > 0){
	return 1;
}else{
	return 0;
}

$table ="users";

$id = "1";

$condition = "id = '".$id."'";

$result = $this->db

->table($table)

->where($condition)

->delete();

$affected_rows = $this->db->affectedRows();

if($affected_rows > 0){

return 1;

}else{

return 0;

}

SELECT

INSERT

UPDATE

DELETE

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