Php mbstring linux install

1. When running phpMyAdmin, I found the following error:
The mbstring PHP extension was not found and you seem to be using a multibyte charset. Without the mbstring extension phpMyAdmin is unable to split strings correctly and it may result in unexpected results.

2. During the project application use, or prompt the following error:
Uncaught Error: Call to undefined function mb_strlen();

The above error occurred because we did not install PHP’s mbstring extension.

Install mbstring extension

Linux system articles

1.CenOS system

php installation package directory: /data/php5.6.14/
PHP installation path: /usr/local/php/
(The specific path settings in the following steps, you can set according to your actual situation.)

Find the mbstring extension directory in the PHP installation package

Compile and install:

At this time mbstring.so has been generated in the /usr/local/php/lib/php/extensions/no-debug-non-zts-20131226/ directory.

Set the PHP configuration file php.ini, add the following line

Finally restart the service and use phpinfo() to see if the mbstring extension was installed successfully.

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How to install php7.0-mbstring in Ubuntu 16.04 LTS

Hi i want to know how to install mbstring in ubuntu i m not expert in linux, so i search but i can’t find the answer, the cmd line

don’t show the package. also
the cmds line

don’t show anything please any one can help

1 Answer 1

[PHP Modules] calendar
Core
ctype
date
exif
fileinfo
filter
ftp
gettext
hash
iconv
json
libxml
mysqli
mysqlnd
openssl
pcntl
pcre
PDO
pdo_mysql
pdo_pgsql
pgsql
Phar
posix
readline
Reflection
session
shmop
sockets
SPL
standard
sysvmsg
sysvsem
sysvshm
tokenizer
xmlrpc
Zend OPcache
zlib

[Zend Modules]
Zend OPcache

2- sudo apt-get install php7.0-mbstrin

Lecture des listes de paquets. Fait Construction de l’arbre des dépendances
Lecture des informations d’état. Fait E: Impossible de trouver le paquet php7.0-mbstrin E: Couldn’t find any package by glob ‘php7.0-mbstrin’ E: Impossible de trouver de paquet correspondant à l’expression rationnelle « php7.0-mbstrin »

3- sudo apt-get install php-mbstring

Lecture des listes de paquets. Fait Construction de l’arbre des dépendances
Lecture des informations d’état. Fait E: Impossible de trouver le paquet php-mbstrin

4- apt-cache search php7.0

libapache2-mod-php7.0 — langage de script inclus dans du HTML et exécuté côté serveur — module Apache 2 php7.0 — langage de script côté serveur, inclus dans du HTML (méta-paquet) php7.0-cgi — Langage de script intégré à HTML et exécuté côté serveur (binaire CGI) php7.0-cli — command-line interpreter for the PHP scripting language php7.0-common — documentation, examples and common module for PHP php7.0-curl — CURL module for PHP php7.0-dev — Files for PHP7.0 module development php7.0-gd — GD module for PHP php7.0-gmp — GMP module for PHP php7.0-json — JSON module for PHP php7.0-ldap — LDAP module for PHP php7.0-mysql — MySQL module for PHP php7.0-odbc — ODBC module for PHP php7.0-opcache — Zend OpCache module for PHP php7.0-pgsql — PostgreSQL module for PHP php7.0-pspell — pspell module for PHP php7.0-readline — readline module for PHP php7.0-recode — recode module for PHP php7.0-snmp — SNMP module for PHP php7.0-sqlite3 — SQLite3 module for PHP php7.0-tidy — tidy module for PHP php7.0-xml — DOM, SimpleXML, WDDX, XML, and XSL module for PHP php7.0-xmlrpc — XMLRPC-EPI module for PHP php-all-dev — package depending on all supported PHP development packages

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How to install PHP `mbstring` extension in Ubuntu?

What is the PHP mbstring extension, and what is the best way to install it on Ubuntu 14.04?

8 Answers 8

EDIT: Dylan Pierce has confirmed that you can already install some PHP 7.2 extensions in the same way you would for PHP 5. For mbstring in particular, you can execute:

To complement sparkmood’s answer, this now works for PHP 7.2 if you already imported ondrej’s PPA for it.

Don’t forget, either PHP 7 is available through ubuntu’s official repositories or you will need an external PPA.

I have installed mbstring in php7.0-fpm (7.0.15-0ubuntu0.16.04.4)

mbstring is built in libapache2-mod-php5 package, so you can use this command for installing :

As described in package details :

If you’re using php 5.6

Install php 5.6 mbstring package:

Then add the following line to the bottom of your php.ini file:

To find your php.ini file, create a file and insert the following line:

Then open with a browser to see where your php.ini file is located.

In my case it was already installed, but I just needed to do phpenmod mbstring , followed by apachectl graceful .

It requires adding another source for apt for install in 18.04..

Download Page for php7.2-mbstring_7.2.7-0ubuntu0.18.04.2_amd64.deb on AMD64 machines

If you are running Ubuntu, it is strongly suggested to use a package manager like aptitude or synaptic to download and install packages, instead of doing so manually via this website.

You should be able to use any of the listed mirrors by adding a line to your /etc/apt/sources.list like this:

For Ubuntu 14.04 extension mbstring should be built in.

For Ubuntu 16.04:

Since the mcrypt itself (the package that php-mcrypt uses to do its crypt stuff) is no longer supported after PHP7.2, As of today, to install it specifically for php7.2, you’ll need to make sure when installing to prefix all php7.2 extensions with php7.2- .

While initially the commands suggested by others to just install it work, when using it with an framework version that requires mcrypt (such as Laravel4.2), it will require you to install mcrypt using pecl. Follow the fix here

Not the answer you’re looking for? Browse other questions tagged 14.04 php extension or ask your own question.

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How to enable mbstring in PHP?

It is required to have PHP enabled with mbstring (multi-byte string) support for storing and displaying multi-byte characters in PHPKB software. The installation wizard of the multi-language editions of PHPKB knowledge base software will automatically detect if you have PHP enabled with mbstring support. If it is not enabled, please refer to the tutorial below on how to enable mbstring on your server.

Why mbstring is required?

When we manipulate (trim, split, splice, etc.) strings encoded in a multi-byte encoding, we need to use special functions since two or more consecutive bytes may represent a single character in such encoding schemes. Otherwise, if we apply a non-multibyte-aware string function to the string, it probably fails to detect the beginning or end of the multibyte character and ends up with a corrupted garbage string that most likely loses its original meaning.

So, mbstring provides multibyte-specific string functions that help us deal with multibyte encodings in PHP. In addition to that, mbstring handles character encoding conversion between the possible encoding pairs. mbstring is designed to handle Unicode-based encodings such as UTF-8 and UCS-2 and many single-byte encodings for convenience.

MBstring Installation

Please note that «mbstring» is a non-default PHP extension. This means it is not enabled by default.

Installation on Linux Server

You can find out if this module is installed or not by looking at the list that is produced by this command

If you don’t have this installed on a Linux machine and if you have installed PHP from yum then run this command as superuser

yum install php-mbstring

This is true for all Red Hat Linux-based distributions using RPM and the ’yum’ package manager; this includes RHEL, Fedora, CentOS, Mandriva, and Intrinsic Linux, among others.

After that, you will need to restart your Apache service using the following command:

Installation on Windows Server

If you have access to the php.ini, just remove the semicolon character (;) in front of the line below.

Once you have made the changes, don’t forget to restart your web server for the change to take effect.

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Установка

mbstring не входит в список расширений, устанавливаемых по умолчанию. Это значит, что изначально это расширение отключено. Для использования функций этого расширения необходимо явно включить модуль в настройке configure. За дополнительной информацией обращайтесь в раздел Инсталляция.

Следующие настройки относятся к модулю mbstring.

—enable-mbstring : Включение mbstring функций. Эта настройка необходима для использования mbstring функций.

libmbfl необходима для работы mbstring. libmbfl поставляется вместе с mbstring. Если libmbfl уже установлена в системе, то, чтобы использовать именно ее, можно задать настройку —with-libmbfl[=DIR] .

В версии PHP 4.3.0 расширение mbstring предоставляет расширенную поддержку кодировок Упрощенного Китайского, Традиционного Китайского, Корейского и Русского языков в дополнение к кодировке Японского языка.

Для версий PHP 4.3.3 и ниже, чтобы добавить эту поддержку, необходимо задать одно или несколько значений параметра LANG в настройке —enable-mbstring=LANG ; следующим образом: —enable-mbstring=cn для поддержки Упрощенного Китайского, —enable-mbstring=tw для поддержки Традиционного Китайского, —enable-mbstring=kr для поддержки Корейского, —enable-mbstring=ru для поддержки Русского, и —enable-mbstring=ja для поддержки Японского (по умолчанию). Для включения всех поддерживаемых кодировок используйте настройку —enable-mbstring=all .

C версии PHP 4.3.4, все поддерживаемые библиотекой libmbfl кодировки включаются настройкой —enable-mbstring .

—enable-mbstr-enc-trans : Включение механизма конвертации кодировок mbstring для символов, поступающих через HTTP. Если настройка включена, кодировка входящих HTTP символов будет автоматически преобразована в mbstring.internal_encoding.

В версии PHP 4.3.0 настройка —enable-mbstr-enc-trans была исключена и заменена на установку времени выполнения mbstring.encoding_translation. Преобразование кодировок входных символов HTTP включено, когда этой установке задано значение On (значение по умолчанию Off).

—disable-mbregex : Отключение функций регулярных выражений, поддерживающих многобайтные кодировки.

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Php mbstring linux install