Mine

class myBatch{	// commonly required method put into parent 	// class referencing properties defined in child	public function foo()	{		sumNums()	}}class myBatchClientTrustGicPurchase extends myBatch{	// properties specific to the extending class	public function sumNums()	{		return 1+5+18;	}}class myBatchClientTrustGicPurchase extends myBatch{	// properties specific to the extending class	public function sumNums()	{		return 100+9+47;	}}