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<?php

/**
 * Add ‘text’ after price, only if status is not sold (visible for both, rent and sale)
 */
add_filter( 'wpcasa_property_price', 'custom_property_price_from' );

function custom_property_price_from( $price ) {

  $arg1 = get_post_meta(get_the_ID(), '_price', true);
  $arg2 = get_post_meta(get_the_ID(), '_price_sold_rented', true );
  $arg3 = get_post_meta(get_the_ID(), '_price_status', true );

  if(!empty($arg1) && $arg2 != '1') {
    if($arg3 == 'rent') {
      $output = $price . ' <small>zzgl. Kauf-Nk.</small> ';
    } else {
      $output = $price . ' <small>zzgl. Kauf-Nk.</small> ';    
    }
  } else {
    $output = $price;
  }

  return $output;

}