in core/FacebookWordpressOptions.php [219:253]
private static function setFbeBasedAAMSettings(){
$installed_pixel = self::getPixelId();
$settings_as_array = get_transient(FacebookPluginConfig::AAM_SETTINGS_KEY);
// If AAM_SETTINGS_KEY is present in the DB and corresponds to the installed
// pixel, it is converted into an AdsPixelSettings object
if( $settings_as_array !== false ){
$aam_settings = new AdsPixelSettings();
$aam_settings->setPixelId($settings_as_array['pixelId']);
$aam_settings->setEnableAutomaticMatching($settings_as_array['enableAutomaticMatching']);
$aam_settings->setEnabledAutomaticMatchingFields($settings_as_array['enabledAutomaticMatchingFields']);
if($installed_pixel == $aam_settings->getPixelId()){
self::$aamSettings = $aam_settings;
}
}
// If the settings are not present
// they are fetched from Meta domain
// and cached in WP database if they are not null
if(!self::$aamSettings){
$refresh_interval =
self::AAM_SETTINGS_REFRESH_IN_MINUTES*MINUTE_IN_SECONDS;
$aam_settings = AdsPixelSettings::buildFromPixelId( $installed_pixel );
if($aam_settings){
$settings_as_array = array(
'pixelId' => $aam_settings->getPixelId(),
'enableAutomaticMatching' =>
$aam_settings->getEnableAutomaticMatching(),
'enabledAutomaticMatchingFields' =>
$aam_settings->getEnabledAutomaticMatchingFields(),
);
set_transient(FacebookPluginConfig::AAM_SETTINGS_KEY,
$settings_as_array, $refresh_interval);
self::$aamSettings = $aam_settings;
}
}
}