Logging PHP errors in the same folder with Magento error logs

Here’s another post regarding logging…

How to log PHP errors to the same folder than Magento error logs?

It’s quite simple with Nginx and PHP5-FPM. In Nginx virtual host configuration file there is quite likely block like that:

location ~ .php$ {
if (!-e $request_filename) { rewrite / /index.php last; }
fastcgi_pass unix:/var/run/php5-fpm.sock;
fastcgi_param HTTPS $fastcgi_https;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param MAGE_RUN_CODE ee;
fastcgi_param MAGE_RUN_TYPE website;
fastcgi_read_timeout 600;
include /etc/nginx/fastcgi_params;
}

In order to make PHP error logs go to the same folder than Magento’s (/var/log/… add following lines to your virtual host configuration block:

    fastcgi_param   PHP_VALUE "log_errors=on";
fastcgi_param PHP_VALUE "display_errors=off";
fastcgi_param PHP_VALUE "error_log=$document_root/var/log/php_errors.log";

These are standard PHP directives.
log_errors – this one states that erros must be logged
display_errors – it’s always good to keep it off anywhere else than in your local development machine
error_log – this does the trick. It forces PHP logs for current virtual host to var/log folder under your Magento instance folder.

So the final block should look like this:

location ~ .php$ {
if (!-e $request_filename) { rewrite / /index.php last; }
fastcgi_pass unix:/var/run/php5-fpm.sock;
fastcgi_param HTTPS $fastcgi_https;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param MAGE_RUN_CODE ee;
fastcgi_param MAGE_RUN_TYPE website;
fastcgi_read_timeout 600;
fastcgi_param PHP_VALUE "log_errors=on";
fastcgi_param PHP_VALUE "display_errors=off";
fastcgi_param PHP_VALUE "error_log=$document_root/var/log/php_errors.log";
include /etc/nginx/fastcgi_params;
}

Restart nginx and there you go. You can now tail or less the logs from /var/log/php_errors.log

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