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#Handy

Handy is a utility for managing MySQL models, etc.

Quick Start

person.class.php

class Person extends HandyModel {
	const TABLE_NAME = 'people';
}

example.php

# ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
#	Setup
# ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

	// Setup database handle
	$dbh = new mysqli( $host, $user, $pass, $database );

	// Pass Handy the database handle	
	Handy::setDefaultDB($dbh);
	
	// Require class
	require "person.class.php";


# ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
#	Usage
# ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
	
	// Get each person over 30
	$people = Person::lookupEach("age > 30");
	
	// Handy returns an array of Person objects by ID (or empty array)
	if (count($people) > 0) {
	    foreach ($people as $person) {
	    	echo $person->get('first_name').": ".$person->get('age');
	        echo "<br />";
	    }
	}
	

Comparison to traditional syntax

Add new person and fetch them back as a Person (class) object

Traditional:

$db->query("INSERT INTO `people` SET `x`='y', `a`='b'");

$newPersonID = $db->insert_id;
$newPerson = $db->query("SELECT * FROM `people` WHERE `id` = '{$newPersonID}'");

$newPerson = $newPerson->fetch_object('Person');

With Handy:

$newPerson = Person::create(array(
	'x' => 'y',
	'a' => 'b'
));

Documentation

Basic Usage

Basic Item Class

class Person extends HandyModel {
	
	const TABLE_NAME = 'people';
	
}

Item Creation

Person::create(array(
	'first_name' => 'John',
	'last_name' => 'Smith'
);

Item Lookup by ID

ModelName::lookupByID( ID )

$person = Person::lookupByID(12);

// Returns single Person object or false
if (!$person) {
	echo "Person 12 was not found!";
} else {
	echo "Person 12's first name is ".$person->get('first_name');
}

Item Lookup by WHERE

ModelName::lookup( WHERE clause (optional) )

$person = Person::lookup("`first_name`='Bob'");

// Returns single Person object or false

Multiple Item Lookup by WHERE

ModelName::lookupEach( WHERE clause (optional) )

$people = Person::lookupEach("age > 30");

// Returns array of Person objects by ID or empty array

if (count($people) == 0) {
	echo 'No one found!';
} else {
	foreach ($people as $person) {
		echo $person->get('first_name').": ".$person->get('age');
		echo "<br />";
	}
}

/*

Array people
	17 => Object Person
	27 => Object Person
	28 => Object Person

*/

Item Lookup Random by WHERE

ModelName::lookupRandom( WHERE clause (optional) )

$person = Person::lookupRandom("`age` > 30");

// Returns single (random) Person object or false

Advanded Usage

__extensionConstruct()

__postCreate()

Goals and the Future

  • Possibly migrate from MySQLI to PDO
  • Consider expanding functionality to include other database types other than MySQL
  • Add option to select only certain fields or JOIN
  • Show recommended syntax for adding custom lookup methods or overriding

Changelog

1.2.4 – Fixes for custom UID name.

1.2.3 – Changed $uidName to static property and implemented more fully.

1.2.2 – Added setEscaped method

1.2.1 – Added support for using alternate unique id name. Should be set in HandyModel class extension with protected $uidName = 'alt_uid', (defaults to id).

1.2.0 – Added support for multiple data sources. Limit 1 per model class. Handy::setDefaultDB($dbh) or Handy::setModelDB('ModelName',$dbh)

1.1.4 — Fixes for new static methods access

1.1.3 — Changed database handle setup to Handy::setDB($databaseHandlerVariable);

1.1.2 — README udpates

1.1.1 — Fixes and updated README

1.1.0 — Simplification of calls. Static methods moved to main model class Handy::getByID('Person',12) is now Person::getByID(12)

1.0.1 — Fixes, etc

1.0.0 — Initial Release

About

Deprecated: Handy ORM

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