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82 lines
2.0 KiB
PHP
82 lines
2.0 KiB
PHP
<?php
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/*
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* This file is part of SwiftMailer.
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* (c) 2004-2009 Chris Corbyn
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* General utility class in Swift Mailer, not to be instantiated.
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*
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* @package Swift
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*
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* @author Chris Corbyn
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*/
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abstract class Swift
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{
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public static $initialized = false;
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public static $inits = array();
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/** Swift Mailer Version number generated during dist release process */
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const VERSION = '4.3.0';
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/**
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* Registers an initializer callable that will be called the first time
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* a SwiftMailer class is autoloaded.
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*
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* This enables you to tweak the default configuration in a lazy way.
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*
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* @param mixed $callable A valid PHP callable that will be called when autoloading the first Swift class
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*/
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public static function init($callable)
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{
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self::$inits[] = $callable;
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}
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/**
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* Internal autoloader for spl_autoload_register().
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*
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* @param string $class
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*/
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public static function autoload($class)
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{
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//Don't interfere with other autoloaders
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if (0 !== strpos($class, 'Swift_')) {
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return;
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}
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$path = dirname(__FILE__).'/'.str_replace('_', '/', $class).'.php';
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if (!file_exists($path)) {
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return;
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}
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require $path;
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if (self::$inits && !self::$initialized) {
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self::$initialized = true;
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foreach (self::$inits as $init) {
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call_user_func($init);
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}
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}
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}
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/**
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* Configure autoloading using Swift Mailer.
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*
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* This is designed to play nicely with other autoloaders.
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*
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* @param mixed $callable A valid PHP callable that will be called when autoloading the first Swift class
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*/
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public static function registerAutoload($callable = null)
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{
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if (null !== $callable) {
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self::$inits[] = $callable;
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}
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spl_autoload_register(array('Swift', 'autoload'));
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}
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}
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