Hi, In PHP 8.3 , I was not able to enable mbstring extension on aaPanel 6.8.33. The extension not available in the extension list. Please help.

kiranrs Hello, what web service are you using? Try reinstalling php. And check the installation process for errors, What is your CPU architecture? What is a server operating system?

I also encountered the same error when using php8.3. Looking forward to the solution

aaPanel_Kern - I'm using the server mainly the development for the Laravel applications. I'm using Linux debian10 4.19.0-26-amd64 #1 SMP Debian 4.19.304-1 (2024-01-09) x86_64 , aaPanel LinuxStable 6.8.33 . I'm not getting any errors while installing the PHP. I reinstalled with Compiled mode, Fast mode is not working

Same issue here...Can anyone please help ?

edit /www/server/panel/install/php.sh find version == 8.3 , add --enable-mbstring following —enable-mysqlnd save reinstall bash /www/server/panel/install/php.sh install 8.3

The mbstring extension is not available with Ubuntu 20.04.6 LTS x86_64, PHP 8.3. Panel version: 7.0.6

iwaacoo It seems to be included in the file (--enable-mbstrin), but it still doesn't install.[upl-image-preview

Hello, if the installation is not successful, you can try to install the extension again in the PHP interface and check the installation log: /tmp/panelExec.log aaP_pfalzgraf_gyula

aaPanel_Kern "you can try to install the extension again in the PHP interface" Alright, I will try.

Mbstring not enabled in PHP 8.3

fj39jsGNedid

aaP_erikator noone works for me...

aaPanel_Kern

Hello, was the installation successful? Please check the installation log to see what went wrong. /tmp/panelExec.log

fj39jsGNedid

aaP_cembol

aaP_erikator imagemagick installed but fileinfo won't. while installing fileinfo, all the server down, even I can not login server via putty.

@aaPanel_Kern there is a bug in php 8.3 install fileinfo extension, all server collapsed.

aaPanel_Kern

Hello, is it possible to connect via vnc from the server provider's website?

aaP_cembol

aaPanel_Kern not possible, there is out of memory error only I can see in terminal window but no login screen, only errors in window.

edit : server let me in now.

aaP_cembol

aaPanel_Kern the server is now back to itself, I did not restart it, it fixed itself, but the fileinfo plugin is not installed. there must be a problem with the installing script of this plugin.

aaPanel_Kern

Hello, compilation and installation require a lot of memory and CPU. What is your server configuration?

aaP_cembol

aaPanel_Kern minimal vps, 1 cpu core and 1 gb of ram.

aaPanel_Kern

This shows that your configuration is too low.

aaP_cembol

aaPanel_Kern https://www.aapanel.com/forum/d/18317-aapanel-linux-panel-installation-tutorial

but it's said here that it's enough.

aaPanel_Kern

Just running aapanel is enough, running other programs plus compilation and installation is not enough

aaP_oxyg3n

hello, got the same problem installing MBString. it tries to install it, but then reverts to it being not installed.
fileinfo and imagemagick installs without problems.
logs :

--2025-12-29 19:43:09--  https://node.aapanel.com/install/3/mbstring.sh
Resolving node.aapanel.com (node.aapanel.com)... 104.26.10.85, 104.26.11.85, 172.67.73.28, ...
Connecting to node.aapanel.com (node.aapanel.com)|104.26.10.85|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 4332 (4.2K) [application/octet-stream]
Saving to: ‘mbstring.sh’

     0K ....                                                  100% 54.2M=0s

2025-12-29 19:43:09 (54.2 MB/s) - ‘mbstring.sh’ saved [4332/4332]

selecting download node...
https://na1-node.bt.cn
selecting download node...
Configuring for:
PHP Api Version:         20230831
Zend Module Api No:      20230831
Zend Extension Api No:   420230831
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for a sed that does not truncate output... /bin/sed
checking for pkg-config... /bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for cc... cc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether cc accepts -g... yes
checking for cc option to enable C11 features... unsupported
checking for cc option to enable C99 features... none needed
checking how to run the C preprocessor... cc -E
checking for icc... no
checking for suncc... no
checking for system library directory... lib
checking if compiler supports -Wl,-rpath,... yes
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
checking for PHP prefix... /www/server/php/83
checking for PHP includes... -I/www/server/php/83/include/php -I/www/server/php/83/include/php/main -I/www/server/php/83/include/php/TSRM -I/www/server/php/83/include/php/Zend -I/www/server/php/83/include/php/ext -I/www/server/php/83/include/php/ext/date/lib
checking for PHP extension directory... /www/server/php/83/lib/php/extensions/no-debug-non-zts-20230831
checking for PHP installed headers prefix... /www/server/php/83/include/php
checking if debug is enabled... no
checking if zts is enabled... no
checking for gawk... gawk
checking whether to enable multibyte string support... yes, shared
checking whether to enable multibyte regex support (requires oniguruma)... yes
checking for oniguruma... no
configure: error: Package requirements (oniguruma) were not met:

No package 'oniguruma' found

shouldn't it install dependencies automatically?

aaPanel_Kern

aaP_oxyg3n
Please try to install dependencies manually. Is it normal?

https://www.aapanel.com/forum/d/20744-install-mbstring-in-php83/3

aaP_nguyenanhdon.qn

For those encountering errors when installing mbstring on PHP 8.3, simply install PHP 8.1 first, then you can install mbstring on PHP 8.3. If that doesn't work, reinstall 8.3 after installing 8.1.

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