How to enable error prompts in ubuntu php

How to enable error prompts in ubuntu php: 1. Open the php.ini file; 2. Search and modify "display_errors=Off", and change the Off value to On; 3. Modify Apache's httpd.conf, Add the "php_flag display_errors on" and "php_value error_reporting 2039" codes; 4. Restart Apache.

The operating environment of this article: Ubuntu 5.4.0 system, PHP8 version, DELL G3 computer

Ubuntu How to enable error prompt output in PHP

When learning PHP, turning on error prompts can enable beginners to quickly find code errors. However, after installing PHP, the error prompt function is turned off by default, so it needs to be turned on again.

          The steps to open are as follows:

        1. Open the php.ini file.

In Ubuntu system, this file is in: /etc/php5/apache2 directory.

sudo vim /etc/php5/apache2/php.ini

2. Search and modify the following line, change the Off value to On

Open php.ini After the file, use

## /Display_errrs = OFF

## This line to find the display_errors = off. The result is as follows:

                                                                                                                                                                                                                                               

3. Press the "Esc" key to exit the edit mode and search for the following line as in step 2

error_reporting = E_ALL & ~E_NOTICE

Or search:
error_reporting = E_ALL & ~E_DEPRECATED
Follow the method in step 2 and modify it to
apache2/ directory, this is a blank file.
              Add the following two lines:
          php_flag display_errors on
              php_value error_reporting 2039
  5. Restart Apache and it will be OK.


Restart command:: Sudo /etc/init.d/apache2 RESTART
## 我 I deliberately changed the code of a PHP file and run, and then I can see an error prompt.

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