ID, '_aimslms_duration', true ) ?? 0; // Default values. $duration_value = ''; $duration_unit = 'minute'; if ( $stored_duration ) { if ( '0' === $stored_duration ) { $duration_value = 0; } else { $parts = explode( ' ', $stored_duration ); $duration_value = $parts[0] ?? ''; $duration_unit = $parts[1] ?? 'minute'; } } $level = get_post_meta( $post->ID, '_aimslms_level', true ) ?? 'all'; $currency = aimslms_get_currency_symbol(); $price = get_post_meta( $post->ID, '_aimslms_price', true ); ?>