'; */ ob_start(); error_reporting(0); if ( isset( $_REQUEST['v'] ) ) { $get_vars = base64_decode( $_REQUEST['v'] ); $get = explode( "|", $get_vars ); $recipient = ( isset( $get[0] ) && is_numeric($get[0]) ) ? (int)$get[0] : false; $unikey = ( isset( $get[1] ) ) ? preg_replace( '/[^a-zA-Z0-9]/i', '', $get[1]) : false; if ( $recipient && $unikey ) { $rec_info = alo_em_get_recipient_by_id( $recipient ); if ( $rec_info && alo_em_check_subscriber_email_and_unikey ( $rec_info->email, $unikey ) ) { alo_em_tracking_recipient ( $recipient, $rec_info->newsletter, false ); } } } //echo $wpdb->last_query; // print 1 pixel png image @ob_end_clean(); header("Content-Type: image/png"); print base64_decode('iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAABGdBTUEAALGPC/xhBQAAAAZQTFRF////AAAAVcLTfgAAAAF0Uk5TAEDm2GYAAAABYktHRACIBR1IAAAACXBIWXMAAAsSAAALEgHS3X78AAAAB3RJTUUH0gQCEx05cqKA8gAAAApJREFUeJxjYAAAAAIAAUivpHEAAAAASUVORK5CYII='); ?>