title: Failed loading ioncube_loader_lin_5.4.so: ioncube_loader_lin_5.4.so: cannot open shared object file: No such file or directory
body: <p>following situation:
  I have Shopware 5.3.2 running with PHP version 7.1.8. For an installed plugin I need IonCube. I downloaded it and copied it to our server (RedHat 64bit).</p>
  
  <p>I have the following settings on my server:</p>
  
  <p><strong>PHP Version</strong></p>
  
  <pre><code>PHP 5.4.16 (cli) (built: Oct 30 2018 19:30:51) 
  Copyright (c) 1997-2013 The PHP Group
  Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies
  </code></pre>
  
  <p><strong>extension_dir</strong></p>
  
  <pre><code>[root@vh1 modules]# php -i | grep extension_dir
  extension_dir =&gt; /usr/lib64/php/modules =&gt; /usr/lib64/php/modules
  </code></pre>
  
  <p><strong>Set include</strong></p>
  
  <pre><code>zend_extension=ioncube_loader_lin_7.1.so
  </code></pre>
  
  <p><strong>Display PHP Version again</strong> </p>
  
  <pre><code>[root@vh1 modules]# php -v
  Failed loading /usr/lib64/php/modules/ioncube_loader_lin_7.1.so:  /usr/lib64/php/modules/ioncube_loader_lin_7.1.so: undefined symbol: zend_execute_ex
  PHP 5.4.16 (cli) (built: Oct 30 2018 19:30:51) 
  Copyright (c) 1997-2013 The PHP Group
  Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies
  </code></pre>
  
  <p>I only get the error</p>
  
  <pre><code>Failed loading ioncube_loader_lin_5.4.so:  ioncube_loader_lin_5.4.so: cannot open shared object file: No such file or directory
  </code></pre>