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| Adobe Photoshop > 101basics > Object Oriented PHP 5 | ||
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7- Cheat Sheet / roundup
| Keyword / Operator | Use |
| class | Used to create a class |
| new | Used to instantiate and object from a class |
| -> | Used to referance a property or method of an object EX: $camry->price, the whole string can be assigned a value or read from anywhere if the property price is public |
| $this | Used to referance properties from within an object (Defined in the class) |
__construct |
the function that is executed when an object is instantiated, can be passed arguments by passing them to the class name in the new statement |
| extends | used within a clas declaration to indicate that this is a subclass |
| parent:: | the keyword parent followed by the scope operator is escaping the curent scope (The class we are in) to the parent class's scope |
| Properties and method types | |
| Public | It is like a global variable, Anyone can access it from anywhere in your code, We just write $camry->price and it will print the price |
| Private | Only from within the enclosing class, this one is most restrictive |
| Protected | From within the enclosing class and from subclasses using parent:: |