Enable php debugging mode in Ubuntu to display the error message

When the php debugging mode is enabled in Ubuntu, the error message is displayed. the default setting of php in Ubuntu does not display the error message. if a program error occurs, the error message "cannot process this request" is displayed ", this is inconvenient in the development environment.

In fact, we only need to edit the apache configuration file.

1. the directory of my apache configuration file is/etc/apache2/apache2.conf.

Sudo vim/etc/apache2/apache2.conf

Then add the following two lines.

Php_flag display_errors on
Php_value error_reporting 2039

2. restart apache

Sudo service apache2 restart

In this way, the error message is displayed.

Note: If you cannot change the configuration in php. ini, you can view the configuration in php. ini)

Sudo vim/etc/php/7.0/cli/php. ini

Search for display_errors. the default value is display_errors = Off and changed to display_errors = On. save and restart apache2.

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