Installation on latest version of WHM/cPanel with EasyApache4 (EA4)
1. Install the following packages using YUM
yum install ImageMagick ImageMagick-devel
2. Install on EA4 PHP 5.5
/opt/cpanel/ea-php55/root/usr/bin/pecl install imagick
3. Install on EA4 PHP 5.6
/opt/cpanel/ea-php56/root/usr/bin/pecl install imagick
4. Install on EA4 PHP 7.0
/opt/cpanel/ea-php70/root/usr/bin/pecl install imagick
5. Install on EA4 PHP 7.1
/opt/cpanel/ea-php71/root/usr/bin/pecl install imagick
6. Restart Apache Web Server
/scripts/restartsrv_apache
7. Check whether the package is installed and available as a PHP module
/opt/cpanel/ea-php55/root/usr/bin/php -m | grep -i imagick /opt/cpanel/ea-php56/root/usr/bin/php -m | grep -i imagick /opt/cpanel/ea-php70/root/usr/bin/php -m | grep -i imagick /opt/cpanel/ea-php71/root/usr/bin/php -m | grep -i imagick