How to open php error code prompt

How to open the php error code prompt: first back up the php configuration file; then open the php.ini file; then change "display_errors=Off" to "On"; and finally restart the apache service.

The operating environment of this tutorial: linux5.9.8 system, PHP5.6 version. This method is suitable for all brands of computers.

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php Open error code prompt

Prerequisite environment: Linux Apache2 mysql php

When debugging php, if the newly built environment does not have an error message when running the php web application, you need to manually open it

Method:

Back up php first Configuration file

cp /etc/php5/apache2/php.ini /etc/php5/apche2/php.ini.bak

Open the php.ini file

vim /etc/php5/apache2/php.ini

Then enter '/' in the terminal to enter the search state

Enter the search keyword display_errors, press Enter to search and press n to proceed Search down

Change display_errors = Off to On

Press i to enter insert mode and make modifications

After completion, press ESC to exit the insert Mode and then press: wq to save

Then enter '/' in the terminal to enter the search state

Enter the search keyword error_reporting, press Enter to search and press n to proceed Search down

The steps are the same as above

I added & ~E_NOTICE here, which means ignore all Notice warnings and do not report them,

Add or output the error message you want to block based on your actual situation

Then: wq save the file

Finally you need to restart the apache service

/etc/init.d/apache2 restart

or

service apache2 restart

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