ubuntu - In development environment, php7 nginx displays error message

How can I display the error message directly?
My development environment ubuntu 16.04 php 7.0.7 php-fpm nginx

Now when there is an error in the code, it will only output An internal server error occurred.

I hope that the error message can be displayed directly on the web page to facilitate development. Thanks.

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How can I display the error message directly?
My development environment ubuntu 16.04 php 7.0.7 php-fpm nginx

Now when there is an error in the code, it will only output An internal server error occurred.

I hope that the error message can be displayed directly on the web page to facilitate development. Thanks.

set_error_handler registers error handling mechanism
set_exception_handler registers exception handling mechanism

These two methods allow you to intercept when an error occurs and add your own logic processing

Just turn on all error messages. . php-fpm requires one more step, which is to turn on the error display in the configuration file of php-fpm