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laravel composer update : the requested PHP extension dom is missing from your system

I am using ubuntu 16.04, laravel 5.2 when i run update composer in my project directory its showing "the requested PHP extension dom is missing from your system" i checked installed packages of PHP, its available there

Check php -m listing

T
Thamilhan

Installing xml-extension (php7.0-xml in my case) solved the problem

sudo apt-get install php-xml

Saved my time too!
You saved me too.
J
Joyal

If PHP version is 7.2, execute the following command

sudo apt-get install php7.2-xml

M
Manoj Thapliyal

Managed to fix it with a php version 5.6* :

$ sudo apt-get update
$ sudo apt-get install php5.6-xml

u
user6437700

You might have some missing dependencies, so first run

sudo apt-get -f install

Then install php-xml

sudo apt-get install php-xml

This worked for me.


A
Adrien

DOM is a PHP extension and not a PHP package. This means that your version of PHP needs to be recompiled with the extension. It is possible however that your PHP was already compiled with DOM but that DOM is not enabled. You can check this in your php.ini (search for extension=dom.so and make sure it's uncommented).


M
Miguel Romero

In my case I use

sudo apt-get update

and

sudo apt-get install php7.3-xml


for Centos: yum install php7.3-xml