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class myBatch{	// commonly required method put into parent 	// class referencing properties defined in child	public function foo()	{		echo $this->foo;	}}class myBatchClientTrustGicPurchase extends myBatch{	// properties specific to the extending class	public function foo()	{		return 'bar';	}}class myBatchClientTrustGicPurchase extends myBatch{	// properties specific to the extending class	public function foo()	{		return 'monkeys';	}}