[Tue Jan 23 11:57:26 2018] [error] [client 10.x.x.x PHP Parse error: syntax error, unexpected '[' in /var/www/wiki/mywiki/extensions/LdapAuthentication/LdapAuthentication.php on line 39
On this page Extension:LDAP Authentication it says that this version of the extension should be compatible with this version of php and mediawiki. Please advise