PHP Fatal error: Interface 'Psr\\Log\\LoggerInterface'

One of our developers is using firelogger and developed issues with this on our linux server

I downloaded your current package and placed it on the webserver and got the following message in the apache logs when i ran basic.php (also had to copy FireLogger.php to firelogger.php):

PHP Fatal error: Interface 'Psr\Log\LoggerInterface' not found in /var/www/html/firelogger.php-master/firelogger.php on line 36

I am using Centos 7 and php version 5.4.16. Is there something I need to add to my php implementation to make this work?

首先在报告的 PHP 5.4.16 上复现 basic.php 的失败，并检查第 36 行附近的 firelogger.php。检查 package 如何提供或加载 Psr\Log\LoggerInterface；完成的标准是 basic.php 在报告的环境中运行时不会出现致命错误，并且所需的设置已记录或验证。

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