PHP code example of dg / dibi

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

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

    

dg / dibi example snippets

$database = new Dibi\Connection([
	'driver'   => 'mysqli',
	'host'     => 'localhost',
	'username' => 'root',
	'password' => '***',
	'database' => 'table',
]);

$result = $database->query('SELECT * FROM users');

dibi::connect([
	'driver'   => 'mysqli',
	'host'     => 'localhost',
	'username' => 'root',
	'password' => '***',
	'database' => 'test',
	'charset'  => 'utf8',
]);

$result = dibi::query('SELECT * FROM users');

$result = $database->query('SELECT * FROM users');

foreach ($result as $row) {
	echo $row->id;
	echo $row->name;
}

// array of all rows
$all = $result->fetchAll();

// array of all rows, key is 'id'
$all = $result->fetchAssoc('id');

// associative pairs id => name
$pairs = $result->fetchPairs('id', 'name');

// the number of rows of the result, if known, or number of affected rows
$count = $result->getRowCount();

$result = $database->query('SELECT * FROM users WHERE name = ? AND active = ?', $name, $active);

// or
$result = $database->query('SELECT * FROM users WHERE name = ?', $name, 'AND active = ?', $active););

$ids = [10, 20, 30];
$result = $database->query('SELECT * FROM users WHERE id IN (?)', $ids);

$result = $database->query('SELECT * FROM users WHERE name = %s', $name);

// returns associative pairs id => name, shortcut for query(...)->fetchPairs()
$pairs = $database->fetchPairs('SELECT id, name FROM users');

// returns array of all rows, shortcut for query(...)->fetchAll()
$rows = $database->fetchAll('SELECT * FROM users');

// returns row, shortcut for query(...)->fetch()
$row = $database->fetch('SELECT * FROM users WHERE id = ?', $id);

// returns field, shortcut for query(...)->fetchSingle()
$name = $database->fetchSingle('SELECT name FROM users WHERE id = ?', $id);

$result = $database->query('SELECT * FROM users WHERE name = %s', $name);

$ids = [10, '20', 30];
$result = $database->query('SELECT * FROM users WHERE id IN (%i)', $ids);
// SELECT * FROM users WHERE id IN (10, 20, 30)

$table = 'blog.users';
$column = 'name';
$result = $database->query('SELECT * FROM %n WHERE %n = ?', $table, $column, $value);
// SELECT * FROM `blog`.`users` WHERE `name` = 'Jim'

$result = $database->query('SELECT * FROM table WHERE name LIKE %like~', $query);

$arr = [
	'a' => 'hello',
	'b'  => true,
];

$database->query('INSERT INTO table %v', $arr);
// INSERT INTO `table` (`a`, `b`) VALUES ('hello', 1)

$database->query('UPDATE `table` SET %a', $arr);
// UPDATE `table` SET `a`='hello', `b`=1

$result = $database->query('SELECT * FROM users WHERE %and', [
	'name' => $name,
	'year' => $year,
]);
// SELECT * FROM users WHERE `name` = 'Jim' AND `year` = 1978

$result = $database->query('SELECT id FROM author ORDER BY %by', [
	'id' => true, // ascending
	'name' => false, // descending
]);
// SELECT id FROM author ORDER BY `id`, `name` DESC

$database->query('INSERT INTO users', [
	'name' => $name,
	'year' => $year,
]);
// INSERT INTO users (`name`, `year`) VALUES ('Jim', 1978)

$id = $database->getInsertId(); // returns the auto-increment of the inserted record

$id = $database->getInsertId($sequence); // or sequence value

$database->query('INSERT INTO users', [
	'name' => 'Jim',
	'year' => 1978,
], [
	'name' => 'Jack',
	'year' => 1987,
]);
// INSERT INTO users (`name`, `year`) VALUES ('Jim', 1978), ('Jack', 1987)

$database->query('DELETE FROM users WHERE id = ?', $id);

// returns the number of deleted rows
$affectedRows = $database->getAffectedRows();

$database->query('UPDATE users SET', [
	'name' => $name,
	'year' => $year,
], 'WHERE id = ?', $id);
// UPDATE users SET `name` = 'Jim', `year` = 1978 WHERE id = 123

// returns the number of updated rows
$affectedRows = $database->getAffectedRows();

$database->query('INSERT INTO users', [
	'id' => $id,
	'name' => $name,
	'year' => $year,
], 'ON DUPLICATE KEY UPDATE %a', [ // here the modifier %a must be used
	'name' => $name,
	'year' => $year,
]);
// INSERT INTO users (`id`, `name`, `year`) VALUES (123, 'Jim', 1978)
//   ON DUPLICATE KEY UPDATE `name` = 'Jim', `year` = 1978

$database->begin();

$database->commit();

$database->rollback();

dibi::$sql; // the latest SQL query
dibi::$elapsedTime; // its duration in sec
dibi::$numOfQueries;
dibi::$totalTime;

$result = $database->query('SELECT * FROM users WHERE created < ?', new DateTime);

$database->query('INSERT INTO users', [
	'created' => new DateTime,
]);

$database->query('UPDATE table SET', [
	'date' => $database->literal('NOW()'),
]);
// UPDATE table SET `date` = NOW()

$database->query('UPDATE `table` SET', [
	'title' => $database::expression('SHA1(?)', 'secret'),
]);
// UPDATE `table` SET `title` = SHA1('secret')

$database->query('UPDATE table SET', [
	'date%SQL' => 'NOW()', // %SQL means SQL ;)
]);
// UPDATE table SET `date` = NOW()

$result = $database->query('SELECT * FROM `table` WHERE %and', [
	'number > 10',
	'number < 100',
]);
// SELECT * FROM `table` WHERE (number > 10) AND (number < 100)

$result = $database->query('SELECT * FROM `table` WHERE %and', [
	['number > ?', 10],  // or $database::expression('number > ?', 10)
	['number < ?', 100],
	['%or', [
		'left' => 1,
		'top' => 2,
	]],
]);
// SELECT * FROM `table` WHERE (number > 10) AND (number < 100) AND (`left` = 1 OR `top` = 2)

$result = $database->query('SELECT * FROM `table` WHERE %ex', [
	$database::expression('left = ?', 1),
	'AND',
	'top IS NULL',
]);
// SELECT * FROM `table` WHERE left = 1 AND top IS NULL

$user = ???

$result = $database->query('
	SELECT *
	FROM table
	%if', isset($user), 'WHERE user=%s', $user, '%end
	ORDER BY name
');

$result = $database->query('
	SELECT *
	FROM %if', $cond, 'one_table %else second_table
');

$database->query("UPDATE `table` SET [status]='I''m fine'");
// MySQL: UPDATE `table` SET `status`='I\'m fine'
// ODBC:  UPDATE [table] SET [status]='I''m fine'

$assoc = $result->fetchAssoc('id');

$result = $database->query('
  SELECT customer_id, customers.name, order_id, orders.number, ...
  FROM customers
  INNER JOIN orders USING (customer_id)
  WHERE ...
');

$all = $result->fetchAssoc('customer_id|order_id');

// we will iterate like this:
foreach ($all as $customerId => $orders) {
   foreach ($orders as $orderId => $order) {
	   ...
   }
}

$all = $result->fetchAssoc('name|order_id');

// the elements then proceeds like this:
$order = $all['Arnold Rimmer'][$orderId];

$row = $all['Arnold Rimmer'][0][$orderId];
$row = $all['Arnold Rimmer'][1][$orderId];
...

$all = $result->fetchAssoc('name[]order_id');

// we get all the Arnolds in the results
foreach ($all['Arnold Rimmer'] as $arnoldOrders) {
   foreach ($arnoldOrders as $orderId => $order) {
	   ...
   }
}

$all = $result->fetchAssoc('customer_id|order_id');

foreach ($all as $customerId => $orders) {
   echo "Customer $customerId":

   foreach ($orders as $orderId => $order) {
	   echo "ID number: $order->number";
	   // customer name is in $order->name
   }
}

$all[$customerId]->name = 'John Doe';
$all[$customerId]->order_id[$orderId] = $row;
$all[$customerId]->order_id[$orderId2] = $row2;

$all = $result->fetchAssoc('customer_id->order_id');

foreach ($all as $customerId => $row) {
   echo "Customer $row->name":

   foreach ($row->order_id as $orderId => $order) {
	   echo "ID number: $order->number";
   }
}

// create new substitution :blog:  ==>  wp_
$database->substitute('blog', 'wp_');

$database->query("UPDATE [:blog:items] SET [text]='Hello World'");
// UPDATE `wp_items` SET `text`='Hello World'

$result->setType('id', Dibi\Type::Integer); // id will be integer
$row = $result->fetch();

is_int($row->id) // true

$database->connect([
	'driver'   => 'sqlite',
	'database' => 'sample.sdb',
	'profiler' => [
		'file' => 'file.log',
	],
]);

class Model
{
	private $database;

	public function __construct(Dibi\Connection $database)
	{
		$this->database = $database;
	}
}

$result = $database->query('SELECT * FROM users WHERE id = ' . $id); // BAD!!!