error: Your PHP installation appears to be missing the MySQL extension which is required by WordPress.

lsepolis

Member
Nov 8, 2019
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I had:
PHP Version 7.4.33 and WordPress 5.9.5
Updated WP 6.1.1
>>>
Updated to PHP 8.0.25
Success: Successfully applied PHP version “PHP 8.0 (ea-php80)” to the selected domain.
>>>
PHP Version 8.0.25
>>>
I have gone to the WP home Blog home page and:
Your PHP installation appears to be missing the MySQL extension which is required by WordPress.
Reverted to PHP Version 7.4.33
then all back, all OK
Where is the problem?

Is the screenshot attached of any help?
 

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quietFinn

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Feb 4, 2006
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You can install php-mysqlnd extension for PHP 80 in EasyApache.
 

Leonidas Savvides

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May 10, 2016
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1
Choose Customize from: 2022-12-05_14-42-42.png
2
Search "php-mysqlnd" at: 2022-12-05_14-35-06 (2).png
3
click Next+...Next+... to reach: 2022-12-05_14-39-23.png
4
Finally press provision at: 2022-12-05_14-40-12.png

This to do????
 

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kodeslogic

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Apr 26, 2020
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Go for Currently Installed Packages >> Customize >> PHP extensions >> php80-php-mysqlnd
 

Leonidas Savvides

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May 10, 2016
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Go for Currently Installed Packages >> Customize >> PHP extensions >> php80-php-mysqlnd
I installed the php80-php-mysqlnd success...
and
I tried but got "...has a critical error..." when switched to the PHP 8.0.x
link to:

see attached screenshot

well???
 

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kodeslogic

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Apr 26, 2020
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Do you see any errors in the error_log file?
 

kodeslogic

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Website error_log file is located at:

Code:
/home/USERNAME/public_html/error_log
 

quietFinn

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There is also another PHP error log in the wp-admin directory, worth checking.
 

quietFinn

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There are no passwords in error logs.

Those logs can be big, no need to show more than like 50 last lines.
 

Leonidas Savvides

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May 10, 2016
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[[email protected] wp-admin]$ ls | grep .log
error_log
[[email protected] wp-admin]$ tail error_log
#1 /home/lscom-xyz/public_html/blog/wp-settings.php(447): include_once('/home/leonidass...')
#2 /home/lscom-xyz/public_html/blog/wp-config.php(103): require_once('/home/leonidass...')
#3 /home/lscom-xyz/public_html/blog/wp-load.php(50): require_once('/home/leonidass...')
#4 /home/lscom-xyz/public_html/blog/wp-admin/admin.php(34): require_once('/home/leonidass...')
#5 /home/lscom-xyz/public_html/blog/wp-admin/update-core.php(10): require_once('/home/leonidass...')
#6 {main}
thrown in /home/lscom-xyz/public_html/blog/wp-content/plugins/rpx/rpx_m.php on line 98
[06-Dec-2022 08:42:43 UTC] PHP Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; RPX_Widget has a deprecated constructor in /home/lscom-xyz/public_html/blog/wp-content/plugins/rpx/rpx_v.php on line 1925
[06-Dec-2022 08:42:50 UTC] PHP Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; RPX_Widget has a deprecated constructor in /home/lscom-xyz/public_html/blog/wp-content/plugins/rpx/rpx_v.php on line 1925
[06-Dec-2022 18:22:28 UTC] PHP Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; RPX_Widget has a deprecated constructor in /home/lscom-xyz/public_html/blog/wp-content/plugins/rpx/rpx_v.php on line 1925
[[email protected] wp-admin]$


soon the:
/home/USERNAME/public_html/error_log
because needs admin permissions

can you make any conclusion?
 

quietFinn

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Seems RPX_Widget is not compatible with PHP 8.
 

kodeslogic

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Apr 26, 2020
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Yes, try disabling that plugin.
 

quietFinn

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tail -n 100 error_log shows 100 last lines of error_log

In fact you can delete the file, and try again, and get the errors in the log file.
 

Leonidas Savvides

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May 10, 2016
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Temp
Can I rename this log file, so as the system: LAMP CentOS Apache PHP MySQL WordPress

creates a new log file auto?
And view this new file,... after some time
Then, can delete the huge Logs file ...

well?