collection-crud/src/CameraBundle/Entity/PurchasePriceTrait.php

<?php

namespace CameraBundle\Entity;

trait PurchasePriceTrait {
	/**
     * Set purchasePrice
     *
     * @param string $purchasePrice
     *
     * @return Camera
     */
    public function setPurchasePrice($purchasePrice)
    {
        $this->purchasePrice = $purchasePrice;

        return $this;
    }

    /**
     * Get purchasePrice
     *
     * @return string
     */
    public function getPurchasePrice()
    {
	    if (empty($this->purchasePrice)) {
		    return 0;
	    }

	    return $this->purchasePrice;
    }
}