Online PHP editor | rfc for fQsao

@ 2014-09-03T11:51:38Z

<?php

interface Mailer {}

class SwiftAdapter implements Mailer {}
class ZendAdapter implements Mailer {}
class NativeAdapter implements Mailer {}

class MailerFactory
{
    /**
     * Select the best available mailer
     *
     * @return Mailer
     */
    public function select()
    {
        if (class_exists('SwiftMailer')) { // or whatever, cba looking up actual class names
            return $this->createSwiftAdapter();
        } else if (class_exists('Zend_Mail')) {
            return $this->createZendAdapter();
        } else {
            return $this->createNativeAdapter();
        }
    }

    /**
     * Explicitly create a Swift adapter
     *
     * @return SwiftAdapter
     */
    public function createSwiftAdapter()
    {
        return new SwiftAdapter; // can deal with args here if needed
    }

    /**
     * Explicitly create a Zend adapter
     *
     * @return ZendAdapter
     */
    public function createZendAdapter()
    {
        return new ZendAdapter; // can deal with args here if needed
    }

    /**
     * Explicitly create a native adapter
     *
     * @return NativeAdapter
     */
    public function createNativeAdapter()
    {
        return new NativeAdapter; // can deal with args here if needed
    }
}

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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