By default, any error message in your php script will be visible to site visitors on the browser and will be logged to apache error log file – most commonly in “/var/log/httpd/error.log”. In a production server it is advisable to prevent the error message from appearing on browser and has to be silently sent to a custom log file, specifically created for logging only php error messages. Following these steps might help:

1. Create the file under /var/log -> $touch /var/log/php-error.log

2. change permission to 644 -> $chmod 644 /var/log/php-error.log

3. set ownership -> $chown root.apache /var/log/php-error.log (if httpd is running under apache, could be www-data, nobody…)

4. Edit /etc/php.ini  and make sure the following options are set correctly

error_reporting = E_ALL

display_errors = OFF

error_log =/var/log/php-error.log

log_errors = ON

5. Write a php script with some syntax error in it and check whether the error notification is logged or not

$tail -f /var/log/php-error.log

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