src/icepay_api_pbm.php
private function generateChecksum($linkObj)
    {
        $arr = (array)$linkObj;
        $arr[] = $this->getSecretCode();

        return sha1(implode("|", $arr));
    }
private function generateChecksum($linkObj)
    {
        $arr = (array)$linkObj;
        $arr[] = $this->getSecretCode();

        return sha1(implode("|", $arr));
    }
private function generateChecksum ( $ linkObj ) { $ arr = ( array ) $ linkObj ; $ arr [ ] = $ this -> getSecretCode ( ) ; return sha1 ( implode ( "|" , $ arr ) ) ; }
Generates PBM checksum

@since 1.0.0
@param obj $linkObj
@return string
Generates PBM checksum