/**
* @static
* @return EasyRecipeSettings
*/
static function getInstance()
{
$freeSettings = null;
$updateOptions = false;
/**
* If we haven't already instantiated settings, try to do it from the options
*/
if (!self::$instance) {
self::$instance = get_option('EasyRecipe', false);
if (!self::$instance) {
self::$instance = new EasyRecipeSettings();
/**
* If we're updating from a very early version, copy the old settings which are still relevant
* Any not set in the defaults are deprecated and we can drop them
*/
$v31Settings = get_option('ERSettings');
if (!empty($v31Settings)) {
foreach ($v31Settings as $setting => $value) {
if (isset(self::$defaultSettings[$setting])) {
self::$instance->{$setting} = $value;
}
}
$updateOptions = true;
}
}
/**
* Fixup possible legacy problems where the options weren't stored as the correct class
*/
if (!self::$instance instanceof EasyRecipeSettings) {
self::$instance = new EasyRecipeSettings(self::$instance);
$updateOptions = true;
}
/**
* If this is the first run of the plugin after an update, see if we need to do any processing specific to this update.
* Also do the update check if the taxonomies haven't been created yet
*
* TODO - determine if this is a new install - won't need to check if so?
*/
$updateCheck = version_compare(self::$instance->settingsVersion, EasyRecipe::$pluginVersion) == -1 || !self::$instance->taxonomiesCreated;
if ($updateCheck) {
EasyRecipeUpdate::check(self::$instance);
/**
* Save the new settings version (will be the same as the installed pluginVersion)
*/
self::$instance->settingsVersion = EasyRecipe::$pluginVersion;
$updateOptions = true;
}
/**
* Set any defaults which haven't been set in the current version (i.e. new settings just introduced)
* TODO - remove any options no longer needed?
*/
foreach (self::$defaultSettings as $setting => $default) {
if (!isset(self::$instance->{$setting})) {
self::$instance->{$setting} = $default;
$updateOptions = true;
}
}
/**
* Update the settings if we changed them during construction
*/
if ($updateOptions) {
update_option('EasyRecipe', self::$instance);
}
}
return self::$instance;
}
