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<?php |
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/** |
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* PHPMailer SPL autoloader. |
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* PHP Version 5 |
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* @package PHPMailer |
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* @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project |
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* @author Marcus Bointon (Synchro/coolbru) <[email protected]> |
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* @author Jim Jagielski (jimjag) <[email protected]> |
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* @author Andy Prevost (codeworxtech) <[email protected]> |
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* @author Brent R. Matzelle (original founder) |
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* @copyright 2012 - 2014 Marcus Bointon |
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* @copyright 2010 - 2012 Jim Jagielski |
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* @copyright 2004 - 2009 Andy Prevost |
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* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License |
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* @note This program is distributed in the hope that it will be useful - WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. |
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*/ |
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/** |
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* PHPMailer SPL autoloader. |
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* @param string $classname The name of the class to load |
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*/ |
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function PHPMailerAutoload($classname) |
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{ |
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//Can't use __DIR__ as it's only in PHP 5.3+ |
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3 |
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$filename = dirname(__FILE__).DIRECTORY_SEPARATOR.'class.'.strtolower($classname).'.php'; |
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if (is_readable($filename)) { |
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require $filename; |
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} |
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} |
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if (version_compare(PHP_VERSION, '5.1.2', '>=')) { |
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//SPL autoloading was introduced in PHP 5.1.2 |
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if (version_compare(PHP_VERSION, '5.3.0', '>=')) { |
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spl_autoload_register('PHPMailerAutoload', true, true); |
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} else { |
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spl_autoload_register('PHPMailerAutoload'); |
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} |
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} else { |
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/** |
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* Fall back to traditional autoload for old PHP versions |
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* @param string $classname The name of the class to load |
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*/ |
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function __autoload($classname) |
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{ |
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PHPMailerAutoload($classname); |
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} |
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} |
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PHPMailer /
PHPMailer
The PSR-1: Basic Coding Standard recommends that a file should either introduce new symbols, that is classes, functions, constants or similar, or have side effects. Side effects are anything that executes logic, like for example printing output, changing ini settings or writing to a file.
The idea behind this recommendation is that merely auto-loading a class should not change the state of an application. It also promotes a cleaner style of programming and makes your code less prone to errors, because the logic is not spread out all over the place.
To learn more about the PSR-1, please see the PHP-FIG site on the PSR-1.