PHP Adapter mode and other adaptive code parsing

& Lt ;? Php Adapter mode-class adaptation ** class to be adapted * requirement: add a new method to the Source without modifying the Source code * classSource {publicfunctionaction () {echocallaction, ;}} interfaceTargetable {*** a party with the same name in the Source class PHP Adapter mode and other adaptive code parsing

 ';}} Interface Targetable {/*** method of the same name in the Source class */function action (); /*** method to be added to the Source class */function action2 ();}/*** Adapter class */class Adapter extends Source implements Targetable {public function action2 () {echo 'CallAction2','
';}} // Test code $ ad = new Adapter (); $ ad-> action (); $ ad-> action2 ();

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