How to install Imagick for PHP (php-fpm wrapper)

To install the Imagick extension in DirectAdmin use this steps.

1) Install dependencies:

yum install ImageMagick ImageMagick-devel -y

2) Install PHP extensions with pecl:

/usr/local/php56/bin/pecl install imagick
/usr/local/php72/bin/pecl install imagick

3) Load new compiled extensions:

echo "extension=imagick.so" > /usr/local/php56/lib/php.conf.d/11-imagick.ini
echo "extension=imagick.so" > /usr/local/php72/lib/php.conf.d/11-imagick.ini

4) Restart/reload php-fpm services:

systemctl reload php-fpm56
systemctl reload php-fpm72