piwik学习2（bootstrap.php）

调用：<pre name="code" class="php">/core/testMinimumPhpVersion.php<pre name="code" class="php">/libs/upgradephp/upgrade.php<pre name="code" class="php">/vendor/autoload.php //<span style="font-family: Arial, Helvetica, sans-serif;">Piwik is the main project，初次之外还有</span><span style="font-family: Arial, Helvetica, sans-serif;">// Piwik is installed as a dependency，目录为</span><span style="font-family: Arial, Helvetica, sans-serif;">/../../autoload.php</span>

预定义：<pre name="code" class="php">PIWIK_USER_PATH

需要学习的内容：<pre name="code" class="php">error_reporting<pre name="code" class="php">@ini_set

<pre name="code" class="php">ini_get

session_cache_limiter<pre name="code" class="php">@date_default_timezone_set('UTC');

<?php/** * Bootstraps the Piwik application. //bootstrap: <span style="color: rgb(67, 67, 67); font-family: Arial, sans-serif; font-size: 14px;  line-height: 24px;"><strong>引导程序</strong></span> * * This file cannot be a class because it needs to be compatible with PHP 4. */if (!defined('PIWIK_USER_PATH')) {    define('PIWIK_USER_PATH', PIWIK_DOCUMENT_ROOT);}error_reporting(E_ALL | E_NOTICE);@ini_set('display_errors', defined('PIWIK_DISPLAY_ERRORS') ? PIWIK_DISPLAY_ERRORS : @ini_get('display_errors'));@ini_set('xdebug.show_exception_trace', 0);@ini_set('magic_quotes_runtime', 0);// NOTE: the code above must be PHP 4 compatiblerequire_once PIWIK_INCLUDE_PATH . '/core/testMinimumPhpVersion.php';session_cache_limiter('nocache');@date_default_timezone_set('UTC');disableEaccelerator();require_once PIWIK_INCLUDE_PATH . '/libs/upgradephp/upgrade.php';// Composer autoloaderif (file_exists(PIWIK_INCLUDE_PATH . '/vendor/autoload.php')) {    $path = PIWIK_INCLUDE_PATH . '/vendor/autoload.php'; // Piwik is the main project} else {    $path = PIWIK_INCLUDE_PATH . '/../../autoload.php'; // Piwik is installed as a dependency}require_once $path;/** * Eaccelerator does not support closures and is known to be not comptabile with Piwik. Therefore we are disabling * it automatically. At this point it looks like Eaccelerator is no longer under development and the bug has not * been fixed within a year. * * @link https://github.com/piwik/piwik/issues/4439#comment:8 * @link https://github.com/eaccelerator/eaccelerator/issues/12 */function disableEaccelerator(){    $isEacceleratorUsed = ini_get('eaccelerator.enable');    if (!empty($isEacceleratorUsed)) {        @ini_set('eaccelerator.enable', 0);    }}