src/EB/SDK/S2SConversion/Conversion.php
public function jsonSerialize()
    {
        $jsonConversion = [];

        if ($this->getSubId() != null) {
            $jsonConversion['subid'] = (int) $this->getSubId();
        }

        if ($this->getDescription() != null) {
            $jsonConversion['description'] = $this->getDescription();
        }

        if ($this->getDetails() != null) {
            $jsonConversion['details'] = $this->getDetails();
        }

        return $jsonConversion;
    }
public function jsonSerialize()
    {
        $jsonConversion = [];

        if ($this->getSubId() != null) {
            $jsonConversion['subid'] = (int) $this->getSubId();
        }

        if ($this->getDescription() != null) {
            $jsonConversion['description'] = $this->getDescription();
        }

        if ($this->getDetails() != null) {
            $jsonConversion['details'] = $this->getDetails();
        }

        return $jsonConversion;
    }
(PHP 5 &gt;= 5.4.0)<br/>
Specify data which should be serialized to JSON
@link http://php.net/manual/en/jsonserializable.jsonserialize.php
@return mixed data which can be serialized by <b>json_encode</b>,
which is a value of any type other than a resource.
@throws \Exception