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OOP: PHP4 un PHP5
| OOP feature | PHP4 | PHP5 |
|---|---|---|
| abstract class (method) | - | + |
| constructors | +/- | + |
| destructor | - | + |
| incapsulation | - | + |
| inheritance | + | + |
| multiple inheritance | - | -/+ (interfaces) |
| overloading of (methods, operators) | - | methods |
| polymorphism | -/+ | +/- |
| (public, protected, private) access | public | + |
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