Parse error: syntax error, unexpected 'class' (T_CLASS) in /home/djamarbe/public_html/wp-blog-header.php(2) : eval()'d code on line 1

Parse error: syntax error, unexpected 'class' (T_CLASS) in /home/djamarbe/public_html/wp-load.php(2) : eval()'d code on line 1

Parse error: syntax error, unexpected 'class' (T_CLASS) in /home/djamarbe/public_html/wp-config.php(2) : eval()'d code on line 1

Warning: require(/home/djamarbe/public_html/wp-includes/version.php): failed to open stream: No such file or directory in /home/djamarbe/public_html/wp-settings.php on line 33

Fatal error: require(): Failed opening required '/home/djamarbe/public_html/wp-includes/version.php' (include_path='.:/opt/cpanel/ea-php55/root/usr/share/pear') in /home/djamarbe/public_html/wp-settings.php on line 33