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Using a static OptionSupport class that automatically writes options into properties

+ Options are set in the very beginning of the constructor
+ Concise
+ Error if option is not supported
+ Everything is a property, no special treatment of options

~ Medium performance. Reflection is slow, but some things can be cached so it is faster than addOption()

- Options need to be converted to camel case

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Using a static Options class with utility functions

+ Type hints (because setters are called)
+ Options are set in the very beginning of the constructor
+ Good performance
+ Everything is a property, no special treatment of options

- Verbose
- No error if unsupported options are given

webmozart

a) Importing the namespace only

    <?php
    use Symfony\Component\Form
    
    class ContactForm extends Form\Form
    {
        protected function configure()
        {
            $this->add(new Form\TextField('subject', array(

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<?php

$form = new Form();

$form->bind($request, $data);
assert true === $form->isBound();

// if request is post, form was submitted
assert true === $form->isXXX();

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<?php

class AuthorForm extends Form
{
	protected function configure()
	{
		$this->setDataClass('Application\Entities\Author');
		
		// 1. problem
		

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<?php

class OptionSupport
{
    protected static $definitions = array();

    public static function getDefinition($class)
    {
        if (!isset(self::$definitions[$class])) {
            self::$definitions[$class] = new OptionDefinition($class);

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		// avoid session starting for bots
		$agents = array(
			'googlebot',
			'yahoo! slurp',
			'baiduspider',
			'sosospider',
			'bingbot',
			'nagios-plugins',
		);

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<?php

abstract class Configurable
{
    private $options = array();

    private $knownOptions = array();

    private $requiredOptions = array();

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    <?php

use Symfony\Foundation\UniversalClassLoader;

require_once __DIR__.'/src/Symfony/Foundation/UniversalClassLoader.php';

$loader = new UniversalClassLoader();
$loader->registerNamespace('Symfony', __DIR__.'/src');
$loader->register();

webmozart

Solution 1:

Constraints can be defined on the top level.

Advantages:
Little code

Disadvantage:
Min does not have a context. If multiple constraints of the same type exist,
they need to be wrapped in another annotation.