<?php if( function_exists('oxygen_vsb_register_condition') ) { global $oxy_condition_operators; // Condition to check if a URL parameter is present. oxygen_vsb_register_condition('Access Code', array('options'=>array(), 'custom'=>true), $oxy_condition_operators['string'], 'oxy_access_code_callback', 'Other'); function oxy_access_code_callback($value, $operator) { if( $operator == '==') { if( !empty( $_GET['access'] ) && $_GET['access'] == $value ) { return true; } else { return false; } } else if( $operator == '!=' ) { if( empty( $_GET['access'] ) || $_GET['access'] != $value ) { return true; } else { return false; } } } }