function pf_get_defining_capability_by_role($role_slug)
{
$caps = pf_get_capabilities();
foreach ($caps as $slug => $cap) {
$low_role = pf_get_role_by_capability($slug);
# Return the first capability only applicable to that role.
if ($role_slug == $low_role) {
return $slug;
}
}
}
/**
* Get the capability that uniquely matches a specific role.
*
* If we want to allow users to set access by role, we need to give users the names
* of all roles. But Wordpress takes capabilities. This function matches the role with
* its first capability, so users can set by Role but WordPress takes capability.
*
* However, it will check against the system options and either attempt to return
* this information based on WordPress defaults or by checking the current system.
*
* @since 3.x
*
* @param string $role_slug The slug for the role being checked against.
*
* @return string The slug for the defining capability of the given role.
*/
function pf_get_defining_capability_by_role($role_slug)
{
$pf_use_advanced_user_roles = get_option('pf_use_advanced_user_roles', 'no');
# For those who wish to ignore the super-cool auto-detection for fringe-y sites that
# let their user capabilities go wild.
if ('no' == $pf_use_advanced_user_roles) {
$role_slug = strtolower($role_slug);
switch ($role_slug) {
case 'administrator':
return 'manage_options';
break;
case 'editor':
return 'edit_others_posts';
break;
case 'author':
return 'publish_posts';
break;
case 'contributor':
return 'edit_posts';
break;
case 'subscriber':
return 'read';
break;
}
} else {
$caps = pf_get_capabilities();
foreach ($caps as $slug => $cap) {
$low_role = pf_get_role_by_capability($slug);
# Return the first capability only applicable to that role.
if ($role_slug == $low_role) {
return $slug;
}
}
}
}