PHP? ?? ???? ?????? ???
PHP?? ?? ???? ?????? ?? ?? ???? ??? ? ??? ???? ? ????? ?? ?? ??? ??? ??? ??? ??? ????. ? ????? ??? ?? ?? ???? ????? ?? ???? ?????? ?? ???? ??? ???? ?? ?????. ? ? ??? ???? ???????.
1. ??
?? ???:
?? ???? ????? ?????? ? ??? ?? ???? ?? ????? ??? ??????. ???? ?? ???(??? ?? ???)? ???? ???(??? ?? ???)? ?? ??? ? ????. ?? ???? ???? ?? ?? ??? ?? ????? ???? ?? ?? ???? ???? ?? ??? ??? ?? ?? ?? ???? ??? ? ????.
?????:
?????? ???? ???? ?? ??? ??? ???? ????? ?? ????? ?? ??? ??? ??? ? ????(PHP ?? 8 ???? ?????? ??? ? ?????). ??? ??? PHP 8??? ?????? ?? ???? ??????. ?????? ??? ??(???? ?? ???)?? ??? ??? ??? ???? ????.
2. ??
- ?? ???: ?? ??? ????? ?? ??? ?? ?? ?? ??? ???? ??? ??? ?? ???? ?? ??? ????? ???? ?? ???? ?? ??? ?????.
- ?????: ?? ?? ???? ???? ?? ??? ??? ???? ? ?????. ?????? ?? ??? ???? ?? ??? ???? ?? ??? ???? ? ??????.
3. ??? ??
?? ???:
- ?? ???(?? ??)? ??? ???(?? ??)? ?? ?? ? ????.
- ?? ???? ?? ?? ????? ????? ???, ???? ???? ?? ??? ????? ???? ? ????.
?????:
- ??? ??(??? ?? ???)? ??? ? ??? ??? ???? ????.
- PHP 8??? ?????? ?? ???? ?? ? ????. ?, ??? ??? ? ??? ???? ??? ?? ???? ? ????.
?:
// Abstract Class
abstract class Animal {
abstract public function makeSound(); // Abstract method
public function sleep() {
echo "Sleeping..."; // Concrete method
}
}
// Interface
interface AnimalInterface {
public function makeSound(); // Only method signature
public function eat(); // Only method signature
}
4. ??? ??
?? ???:
- PHP? ?? ??? ???? ???? ???? ??? ?? ???? ??? ? ????.
- ?? ???? ?? ???? ?? ???? ?? ???? ?? ?????.
?????:
- ???? ?? ?????? ??? ? ????. ?? ??? ?? ?? ??? ???? PHP? ?????(???? ????).
?:
// Abstract Class Example
abstract class Bird {
abstract public function fly();
}
class Sparrow extends Bird {
public function fly() {
echo "Sparrow is flying";
}
}
// Interface Example
interface Flyable {
public function fly();
}
interface Eatable {
public function eat();
}
class Sparrow implements Flyable, Eatable {
public function fly() {
echo "Sparrow is flying";
}
public function eat() {
echo "Sparrow is eating";
}
}
5. ??
?? ???:
- ?? ????? ???? ?? ??(??)? ?? ? ????. ??? ??? ?? ????? ??? ? ????.
?????:
- ?????? ??? ?? ? ????. ??? ????, ?? ? ?? ?(?? ??)? ??? ? ????.
?:
// Abstract Class with Properties
abstract class Animal {
public $name;
abstract public function makeSound();
}
// Interface with Constants (No Properties)
interface AnimalInterface {
const MAX_AGE = 100; // Constant
public function makeSound();
}
6. ??? ???
?? ???:
- ???? ??, ??, ??? ? ??? ??? ??? ?? ? ????.
- ?? ????? ??? ? ?? ???? ???? ????? ???.
?????:
- ?????? ??? ?? ???? ?????? ???? ????? ???? ? ??? ??? public??? ???.
7. ?? ??
?? ???:
- ?? ??: ?? ???? ?? ??? ?? ?? ????? ???? ?? ?? ??? ?? ??
- ?? ??: ??? ?? ???? ?? ??? ????? ???? ?? ?? ??? ??? ? ?? ??.
?????:
- ?? ??: ?? ?? ???? ??? ???? ???? ??? ?? ??? ?? ? ?? ?? ??? ??? ??? ?? ??.
- ?? ??: ?? ??? ??? ???? ?? ??
8. ???
?? ???:
- ?? ???? ???? ?? ? ??? ?? ??? ?? ???? ??? ??? ? ????.
?????:
- ?????? ??? ?? ??? ????? ???? ??? ???? ?? ? ????.
9. ?? ???? ?????? ?
?? ??? ?:
// Abstract Class
abstract class Animal {
abstract public function makeSound(); // Abstract method
public function sleep() {
echo "Sleeping..."; // Concrete method
}
}
// Interface
interface AnimalInterface {
public function makeSound(); // Only method signature
public function eat(); // Only method signature
}
????? ?:
// Abstract Class Example
abstract class Bird {
abstract public function fly();
}
class Sparrow extends Bird {
public function fly() {
echo "Sparrow is flying";
}
}
// Interface Example
interface Flyable {
public function fly();
}
interface Eatable {
public function eat();
}
class Sparrow implements Flyable, Eatable {
public function fly() {
echo "Sparrow is flying";
}
public function eat() {
echo "Sparrow is eating";
}
}
?? ??? ??
| Feature | Abstract Class | Interface |
|---|---|---|
| Method Implementation | Can have both abstract and concrete methods | Can only have method signatures (PHP 8 allows default methods) |
| Properties | Can have properties with default values | Cannot have properties |
| Constructor | Can have constructors | Cannot have constructors |
| Inheritance | Single inheritance (one parent class) | Multiple inheritance (can implement multiple interfaces) |
| Visibility | Can have public, protected, or private methods | All methods must be public |
| Use Case | Use when there’s common functionality | Use when defining a contract (set of methods) |
| Access to Methods | Can be inherited or overridden | Must be implemented by the class |
??
?? ???? ?????? ?? PHP ?? ?? ??? ??? ????? ?? ?? ???? ?????.
- ?? ???? ??? ?? ?? ??? ??? ????? ??? ?????.
- ?????? ????? ??? ?? ?? ???? ???? ?? ??? ???? ? ?????.
?? ???? ????? ??? ???? ?? ?????? ????? ?? ?? ??? ?? ????. ?? ??? ??? ?? ?? ???? ?????. ?? ???? ?? ??? ???? ????? ?? ?? ?? ?????? ?????.
? ??? PHP? '?? ???'? '?????'? ??? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
? AI ??
Undress AI Tool
??? ???? ??
Undresser.AI Undress
???? ?? ??? ??? ?? AI ?? ?
AI Clothes Remover
???? ?? ???? ??? AI ?????.
Clothoff.io
AI ? ???
Video Face Swap
??? ??? AI ?? ?? ??? ???? ?? ???? ??? ?? ????!
?? ??
??? ??
???++7.3.1
???? ?? ?? ?? ???
SublimeText3 ??? ??
??? ??, ???? ?? ????.
???? 13.0.1 ???
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SublimeText3 Mac ??
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