SHELL

Composer detected issues in your platform: Your Composer dependencies require the following PHP extensions to be installed: xml

sudo apt-get update
sudo apt install php-xml

composer detected issues in your platform: your composer dependencies require the following php extensions to be installed: xml

//make a config file
/*Follow this trick

add this line in config object of composer.json file

"platform-check": false

run php artisan config:cache

then run composer dump-autoload in terminal*/

{

"config": {

    "platform-check": false
}

}

Composer detected issues in your platform: Your Composer dependencies require the following PHP extensions to be installed:

sudo yum search php-THE_EXTENSION

sudo yum install THE_EXTENSION_FROM_LIST