I would like to store any errors and warings generated by php in a log file but still display them in the normal way (echo) as well.
Thanks
You can define your own function and describe what to do with errors.
http://www.php.net/manual/en/function.set-error-handler.php
http://www.php.net/manual/en/function.set-exception-handler.php
http://php.net/manual/en/function.register-shutdown-function.php
php.ini contains two relevant variables: you can specify the log file with error_log, and choose whether or not to display the errors with display_errors
I am not 100% clear on the question but feel it is a combination of error handling:
http://us2.php.net/manual/en/ref.errorfunc.php
And correctly setting the error handling settings in your php.ini file, or at runtime with:
http://us2.php.net/manual/en/function.ini-set.php
Specifically:
http://us2.php.net/manual/en/errorfunc.configuration.php
If you have something specific in mind, let me know.