Unable to load dynamic library 'imagick.so' (suitable only for internal use)

Issue

The Imagick extension isn't loaded with the following warnings:

[11-Oct-2021 13:18:01 UTC] PHP Warning: PHP Startup: Unable to load dynamic library 'imagick.so' (tried: /opt/alt/php74/usr/lib64/php/modules/imagick.so (libMagickWand-7.Q16HDRI.so.7: cannot open shared object file: No such file or directory), /opt/alt/php74/usr/lib64/php/modules/imagick.so.so (/opt/alt/php74/usr/lib64/php/modules/imagick.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0

Environment

• cPanel
• CloudLinux 8
• PHP Selector enabled
• alt-ImageMagick
• alt-ImageMagick-libs
• alt-php**-pecl-ext

Solution

1. Check if the PHP Selector is enabled and configured.

2. Check under the user if the PHP is Alt-PHP

$ php -v 

$ php -i | head

and ImageMagick is loaded:

$ php -i | grep magi -i

3. If the extension isn't presented in the output, make sure that the alt-phpXX-pecl-ext packages are installed and up to date as well as alt-ImageMagick and alt-ImageMagick-libs:

rpm -qa | grep pecl-ext

yum update alt-php*-pecl-ext

yum update alt-ImageMagick*

4. If they are installed and have the latest versions, you may reinstall alt-ImageMagick and alt-ImageMagick-lib:

yum reinstall alt-ImageMagick*

5. In case of package conflicts:

rpm -e --justdb --nodeps alt-ImageMagick-libs
rpm -e --justdb --nodeps alt-ImageMagick
yum install alt-ImageMagick

6. If the packages were installed from a testing repo, try to downgrade them:

 yum downgrade alt-ImageMagick*

Useful links

• https://cloudlinux.zendesk.com/hc/en-us/articles/360014084800-PHP-Selector-Integration-with-cPanel