Cambio de currency simbol (USD y $ dependiendo el tipo de listing)

class-property-factory.php

//Archivo dentro del plugin Realty Portal Listing 
// includes/property/library/
//Linea 434


public function get_price() {

		$price = trim( get_post_meta( $this->ID, 'price', true ) );

		//Agregue un argumento mas en el rp_format_price que es el ID para que dentro de la funcion 
		//capture que tipo de listing es y haga el cambio de USD y $
		$price = ( preg_match( "/^([0-9]+)$/", $price ) ) ? rp_format_price( $price,true,$this->ID) : esc_html( $price );
		return apply_filters( 'rp_get_price', $price );
	}

	public function get_price_html() {
		if($this->get_price()):
			//Se agrego volcar en una clase el listing type
			$listing_type = get_the_terms( $this->ID,'listing_type');

			$before_price = '<div class="property-price '.$listing_type[0]->name.'"><span class="before-price">' . esc_html( get_post_meta( $this->ID, 'before_price', true ) ) . '</span>';
			$before_price = apply_filters( 'rp_before_get_price_html', $before_price );

			$after_price = '<span class="after-price">' . esc_html( get_post_meta( $this->ID, 'after_price', true ) ) . '</span></div>';
			$after_price = apply_filters( 'rp_after_get_price_html', $after_price );

			return apply_filters( 'rp_get_price_html', $before_price . ' ' . $this->get_price() . ' ' . $after_price );
		endif;
	}

property-price.php

//Archivo dentro del plugin Realty Portal Listing 
// includes/property/library/
//Linea 675

/**
	 * This function get format price
	 * EDIT: se agrego un argumento mas el post_id
	 * @param      $price
	 * @param bool $html
	 *
	 * @return mixed|string|void
	 */
	function rp_format_price( $price, $html = true,$post_id = '') {
		$currency_code      = RP_Property::get_setting( 'property_setting', 'property_currency', 'USD' );

		//EDITADO, del ID pasado como argumento extraigo el tipo de listing  que es y trasformo el currency simbol
		if($post_id !== ''){
			$tax = get_the_terms($post_id,'listing_type');

			if($tax[0]->name == 'Venta'){
				$currency_symbol = 'U$D';
			} else if($tax[0]->name == 'Alquiler') {
				$currency_symbol = '$';
			} else {
				$currency_symbol = rp_currency_symbol( $currency_code );
			}
		} else {
			$currency_symbol    = rp_currency_symbol( $currency_code );
		}