Some of Tiki's preferences are quite powerful (and thus dangerous) and should be used only by experts. These risky preferences are disabled and hidden by default, since Tiki 22 and only the system administrator can make them visible through Tiki's system configuration file.
These are the preferences marked as risky and Tiki version supporting them:
Risky Preference
Tiki version(s)
feature_editcss
22x - 28x
feature_edit_templates
22x - 28x
feature_purifier
22x+
smarty_security_functions
22x - 26x
smarty_security_modifiers
22x - 26x
smarty_security_dirs
22x+
smarty_security_allowed_tags
27x+
smarty_security_disabled_tags
27x+
smarty_security_allowed_modifiers
27x+
smarty_security_disabled_modifiers
27x+
smarty_security_allowed_builtin_php_functions
27x+
tiki_allow_trust_input
22x+
feature_create_webhelp
23x+
scheduler_shell_command
24x+
smarty_enable_string_eval
24x
Enable/Show risky preferences
First, in order to enable these features first is needed to activate the system configuration.
If you don’t have one, you will need to declare the path of the tiki.ini file where rules can be stored.
Sample configuration file placed in db/local.php, with a relative path
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$system_configuration_file = 'db/tiki.ini';
In your configuration file, add new rules to Tiki's configuration file that allows showing these features.
See the following example:
System configuration file sample(db/tiki.ini) that enable to show "smarty_security_dirs" preference
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rules.0 = show smarty_security_dirs
Set Specific Risky Prefs in tiki.ini
Alternatively you can set these "disabled by default" prefs to specific values in your tiki.ini file, like this: