PHP code example of ezswoole / dbobject

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

ezswoole / dbobject example snippets

$db->where ('id', 1);
$db->where ('login', 'admin');
$results = $db->get ('users');
// Gives: SELECT * FROM users WHERE id=1 AND login='admin';

$db->where ('id', 1);
$db->having ('login', 'admin');
$results = $db->get ('users');
// Gives: SELECT * FROM users WHERE id=1 HAVING login='admin';

// WRONG
$db->where ('lastLogin', 'createdAt');
// CORRECT
$db->where ('lastLogin = createdAt');
$results = $db->get ('users');
// Gives: SELECT * FROM users WHERE lastLogin = createdAt;

$db->where ('id', 50, ">=");
// or $db->where ('id', Array ('>=' => 50));
$results = $db->get ('users');
// Gives: SELECT * FROM users WHERE id >= 50;

$db->where('id', Array (4, 20), 'BETWEEN');
// or $db->where ('id', Array ('BETWEEN' => Array(4, 20)));

$results = $db->get('users');
// Gives: SELECT * FROM users WHERE id BETWEEN 4 AND 20

$db->where('id', Array(1, 5, 27, -1, 'd'), 'IN');
// or $db->where('id', Array( 'IN' => Array(1, 5, 27, -1, 'd') ) );

$results = $db->get('users');
// Gives: SELECT * FROM users WHERE id IN (1, 5, 27, -1, 'd');

$db->where ('firstName', 'John');
$db->orWhere ('firstName', 'Peter');
$results = $db->get ('users');
// Gives: SELECT * FROM users WHERE firstName='John' OR firstName='peter'

$db->where ("lastName", NULL, 'IS NOT');
$results = $db->get("users");
// Gives: SELECT * FROM users where lastName IS NOT NULL

$db->where ("fullName", 'John%', 'like');
$results = $db->get("users");
// Gives: SELECT * FROM users where fullName like 'John%'

$db->where ("id != companyId");
$db->where ("DATE(createdAt) = DATE(lastLogin)");
$results = $db->get("users");

$db->where ("(id = ? or id = ?)", Array(6,2));
$db->where ("login","mike")
$res = $db->get ("users");
// Gives: SELECT * FROM users WHERE (id = 6 or id = 2) and login='mike';

$offset = 10;
$count = 15;
$users = $db->withTotalCount()->get('users', Array ($offset, $count));
echo "Showing {$count} from {$db->totalCount}";

$db->setQueryOption ('LOW_PRIORITY')->insert ($table, $param);
// GIVES: INSERT LOW_PRIORITY INTO table ...

$db->setQueryOption ('FOR UPDATE')->get ('users');
// GIVES: SELECT * FROM USERS FOR UPDATE;

$db->setQueryOption (Array('LOW_PRIORITY', 'IGNORE'))->insert ($table,$param);
// GIVES: INSERT LOW_PRIORITY IGNORE INTO table ...

$db->setQueryOption ('SQL_NO_CACHE');
$db->get("users");
// GIVES: SELECT SQL_NO_CACHE * FROM USERS;

$results = $db
	->where('id', 1)
	->where('login', 'admin')
	->get('users');

$db->where('id', 1);
if($db->delete('users')) echo 'successfully deleted';

$db->orderBy("id","asc");
$db->orderBy("login","Desc");
$db->orderBy("RAND ()");
$results = $db->get('users');
// Gives: SELECT * FROM users ORDER BY id ASC,login DESC, RAND ();

$db->orderBy('userGroup', 'ASC', array('superuser', 'admin', 'users'));
$db->get('users');
// Gives: SELECT * FROM users ORDER BY FIELD (userGroup, 'superuser', 'admin', 'users') ASC;

$db->setPrefix ("t_");
$db->orderBy ("users.id","asc");
$results = $db->get ('users');
// WRONG: That will give: SELECT * FROM t_users ORDER BY users.id ASC;

$db->setPrefix ("t_");
$db->orderBy ("`users`.id", "asc");
$results = $db->get ('users');
// CORRECT: That will give: SELECT * FROM t_users ORDER BY t_users.id ASC;

$db->groupBy ("name");
$results = $db->get ('users');
// Gives: SELECT * FROM users GROUP BY name;

$db->join("users u", "p.tenantID=u.tenantID", "LEFT");
$db->where("u.id", 6);
$products = $db->get ("products p", null, "u.name, p.productName");
print_r ($products);

$db->join("users u", "p.tenantID=u.tenantID", "LEFT");
$db->joinWhere("users u", "u.tenantID", 5);
$products = $db->get ("products p", null, "u.name, p.productName");
print_r ($products);
// Gives: SELECT  u.login, p.productName FROM products p LEFT JOIN users u ON (p.tenantID=u.tenantID AND u.tenantID = 5)

$db->join("users u", "p.tenantID=u.tenantID", "LEFT");
$db->joinOrWhere("users u", "u.tenantID", 5);
$products = $db->get ("products p", null, "u.name, p.productName");
print_r ($products);
// Gives: SELECT  u.login, p.productName FROM products p LEFT JOIN users u ON (p.tenantID=u.tenantID OR u.tenantID = 5)

$db->where ("agentId", 10);
$db->where ("active", true);

$customers = $db->copy ();
$res = $customers->get ("customers", Array (10, 10));
// SELECT * FROM customers where agentId = 10 and active = 1 limit 10, 10

$cnt = $db->getValue ("customers", "count(id)");
echo "total records found: " . $cnt;
// SELECT count(id) FROM users where agentId = 10 and active = 1

$sq = $db->subQuery();
$sq->get ("users");

$sq = $db->subQuery("sq");
$sq->get ("users");

$ids = $db->subQuery ();
$ids->where ("qty", 2, ">");
$ids->get ("products", null, "userId");

$db->where ("id", $ids, 'in');
$res = $db->get ("users");
// Gives SELECT * FROM users WHERE id IN (SELECT userId FROM products WHERE qty > 2)

$userIdQ = $db->subQuery ();
$userIdQ->where ("id", 6);
$userIdQ->getOne ("users", "name"),

$data = Array (
    "productName" => "test product",
    "userId" => $userIdQ,
    "lastUpdated" => $db->now()
);
$id = $db->insert ("products", $data);
// Gives INSERT INTO PRODUCTS (productName, userId, lastUpdated) values ("test product", (SELECT name FROM users WHERE id = 6), NOW());

$usersQ = $db->subQuery ("u");
$usersQ->where ("active", 1);
$usersQ->get ("users");

$db->join($usersQ, "p.userId=u.id", "LEFT");
$products = $db->get ("products p", null, "u.login, p.productName");
print_r ($products);
// SELECT u.login, p.productName FROM products p LEFT JOIN (SELECT * FROM t_users WHERE active = 1) u on p.userId=u.id;

$sub = $db->subQuery();
    $sub->where("company", 'testCompany');
    $sub->get ("users", null, 'userId');
$db->where (null, $sub, 'exists');
$products = $db->get ("products");
// Gives SELECT * FROM products WHERE EXISTS (select userId from users where company='testCompany')

$db->where("user", $user);
$db->where("password", md5($password));
if($db->has("users")) {
    return "You are logged";
} else {
    return "Wrong user/password";
}

    $db->disconnect();

if (!$db->ping())
    $db->connect()

    $db->get('users');
    echo "Last executed query was ". $db->getLastQuery();

    if ($db->tableExists ('users'))
        echo "hooray";

    $escaped = $db->escape ("' and 1=1");

$db->startTransaction();
...
if (!$db->insert ('myTable', $insertData)) {
    //Error while saving, cancel new record
    $db->rollback();
} else {
    //OK
    $db->commit();
}

$db->where('login', 'admin')->update('users', ['firstName' => 'Jack']);

if ($db->getLastErrno() === 0)
    echo 'Update succesfull';
else
    echo 'Update failed. Error: '. $db->getLastError();

$db->setTrace (true);
// As a second parameter it is possible to define prefix of the path which should be striped from filename
// $db->setTrace (true, $_SERVER['SERVER_ROOT']);
$db->get("users");
$db->get("test");
print_r ($db->trace);

$db->setLockMethod("WRITE")->lock("users");

$db->unlock();

$db->setLockMethod("READ")->lock(array("users", "log"));

use EasySwoole\Mysqli\Config;
$conf = new Config([
    'host'=>'',
    'user'=>'',
    'password'=>'',
    'database'=>'',
    'port'=>''
]);

$db = new Mysqli($conf);
$data = $db->get('test');

$data = Array ("login" => "admin",
               "firstName" => "John",
               "lastName" => 'Doe'
);
$id = $db->insert ('users', $data);
if($id)
    echo 'user was created. Id=' . $id;
    
//Insert with functions use
$data = Array (
	'login' => 'admin',
    'active' => true,
	'firstName' => 'John',
	'lastName' => 'Doe',
	'password' => $db->func('SHA1(?)',Array ("secretpassword+salt")),
	// password = SHA1('secretpassword+salt')
	'createdAt' => $db->now(),
	// createdAt = NOW()
	'expires' => $db->now('+1Y')
	// expires = NOW() + interval 1 year
	// Supported intervals [s]econd, [m]inute, [h]hour, [d]day, [M]onth, [Y]ear
);

$id = $db->insert ('users', $data);
if ($id)
    echo 'user was created. Id=' . $id;
else
    echo 'insert failed: ' . $db->getLastError();

//Insert with on duplicate key update
$data = Array ("login" => "admin",
               "firstName" => "John",
               "lastName" => 'Doe',
               "createdAt" => $db->now(),
               "updatedAt" => $db->now(),
);
$updateColumns = Array ("updatedAt");
$lastInsertId = "id";
$db->onDuplicate($updateColumns, $lastInsertId);
$id = $db->insert ('users', $data);
    

$data = Array (
	'firstName' => 'Bobby',
	'lastName' => 'Tables',
	'editCount' => $db->inc(2),
	// editCount = editCount + 2;
	'active' => $db->not()
	// active = !active;
);
$db->where ('id', 1);
if ($db->update ('users', $data))
    echo $db->count . ' records were updated';
else
    echo 'update failed: ' . $db->getLastError();

$cols = Array ("id", "name", "email");
$users = $db->get ("users", null, $cols);
if ($db->count > 0)
    foreach ($users as $user) { 
        print_r ($user);
    }

$db->where ("id", 1);
$user = $db->getOne ("users");
echo $user['id'];

$stats = $db->getOne ("users", "sum(id), count(*) as cnt");
echo "total ".$stats['cnt']. "users found";

$count = $db->getValue ("users", "count(*)");
echo "{$count} users found";

$logins = $db->getValue ("users", "login", null);
// select login from users
$logins = $db->getValue ("users", "login", 5);
// select login from users limit 5
foreach ($logins as $login)
    echo $login;

$users = $db->rawQuery('SELECT * from users where id >= 100');
foreach ($users as $user) {
    print_r ($user);
}