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?

Start by reproducing the failure from basic.php on the reported PHP 5.4.16 and inspect firelogger.php around line 36. Check how the package provides or loads Psr\Log\LoggerInterface; done means basic.php runs without the fatal error on the reported environment, with the required setup documented or verified.

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