Error Loading ChartDirector for PHP Extension

An attempt has been made to dynamically load ChartDirector, but it was not successful. Please refer to your ChartDirector for PHP documentation or click here for how to resolve the problem.

Error Log

Trying to load "phpchartdir520.dll" from the PHP extension directory "/home/sunshine/public_html/php/ext".

dl(): Unable to load dynamic library '/home/sunshine/public_html/php/ext/phpchartdir520.dll' - /home/sunshine/public_html/php/ext/phpchartdir520.dll: wrong ELF class: ELFCLASS32

System Information

Operating System : Linux s7-chicago.accountservergroup.com 2.6.32.46-grsec #1 SMP Thu Sep 1 14:04:36 BST 2011 x86_64
PHP version : 5.2.17
PHP / Web Server interface : cgi
PHP configuration file location : "/home/sunshine/public_html/lt100data/queries/php.ini"
PHP extension directory : "/home/sunshine/public_html/php/ext"