Learning how to use clone in php

Learning how to use clone in php

Class Person { Private $ name; Private $ age; Private $ id; Function _ construct ($ name, $ age ){ $ This-> name = $ name; $ This-> age = $ age; } Function setId ($ id ){ $ This-> id = $ id; } Function _ clone (){ $ This-> id = 0; } } Print" "; $person = new Person( "bob", 44 ); $person->setId( 343 ); $person2 = clone $person; print_r( $person ); print_r( $person2 ); print " "; ?> Demo code 2: Class Account { Public $ balance; Function _ construct ($ balance ){ $ This-> balance = $ balance; } } Class Person { Private $ name; Private $ age; Private $ id; Public $ account; Function _ construct ($ name, $ age, Account $ account ){ $ This-> name = $ name; $ This-> age = $ age; $ This-> account = $ account; } Function setId ($ id ){ $ This-> id = $ id; } Function _ clone (){ $ This-> id = 0; } } $ Person = new Person ("bob", 44, new Account (200 )); $ Person-> setId (343 ); $ Person2 = clone $ person; // Give $ person some money $ Person-> account-> balance + = 10; // $ Person2 sees the credit too Print $ person2-> account-> balance; // Output: // 210 ?> Official documents: http://cn2.php.net/__clone