$step) { // Skip the "Add-ons" tab if ($key !== 0) { $stepClass = esc_attr($step['class']); if ($foundCurrent) { $stepClass .= ' disabled'; $step['link'] = '#'; } else if (stripos($stepClass, 'current') !== false) { // Current tab found, don't change the CSS class $foundCurrent = true; } else { // Current tab is not found yet, add "completed" class $stepClass .= 'completed '; } ?>