Fatal error: Call to undefined function mb_strlen()

Question

I\'m trying to make a donation center which I use the source code from Totorialzine.

Everything works fine for me at this moment so far but the only problem I was st

Answer 1

On Centos, RedHat, Fedora and other yum-my systems it is much simpler than the PHP manual suggests:

yum install php-mbstring
service httpd restart

Answer 2

The function mb_strlen() is not enabled by default in PHP. Please read the manual for installation details:

http://www.php.net/manual/en/mbstring.installation.php

Answer 3

PHP 7.2 Ubuntu 18.04

sudo apt install php-mbstring

Answer 4

To fix this install the php7.0-mbstring package:

sudo apt install php7.0-mbstring

Answer 5

For me, this worked in Ubuntu 14.04 and for php5.6:

$ sudo apt-get install php5.6-mbstring

Answer 6

In case Google search for this error

Call to undefined function mb_ereg_match()

takes somebody to this thread. Installing php-mbstring resolves it too.

Ubuntu 18.04.1, PHP 7.2.10

sudo apt-get install php7.2-mbstring