PHP system verification code error

Cause analysis:

1. Session problem

The verification code is not remembered in the session
This should be a permission issue with the session folder of php.

How to handle it:

php-fpm mode
Modify the startup user of php-fpm
session folder is /var/lib/php/session

vi /etc/php-fpm.d/www.conf
Change the user and user group to apache
user =apache
group =apache
Or modify the permissions of the session file according to the user of php-fpm

2. Time zone setting problem

php did not set the correct time zone, resulting in an exception in time judgment

Processing method:

a. Add in the php code Time zone setting

date_default_timezone_set(‘PRC’);

b. Modify php.ini to set the default time zone

date.timezone = PRC

Recommended tutorial: PHP video tutorial

The above is the detailed content of PHP system verification code error. For more information, please follow other related articles on the PHP Chinese website!