2016/3/21 Object-oriented: ① Define class ② Instantiate object ③ $this keyword ④ constructor ⑤ destructor ⑥ Encapsulation ⑦ inheritance

Source: Internet
Author: User

One: Define class Two: Instantiate an object

1 //Defining Classes2 classRen3     {4         var $name;5         var $sex;6         var $age;7         8         functionSay ()9         {Ten             Echo"{$this->name} is Talking "; One         } A     } - //instantiating an object - $Ren=NewRen (); the //Call the member of the object: -     $Ren->name = "Zhang San"; -     $Ren->say ();

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Three: $this keywords

$this->name; This represents the object, and if you want to invoke a member variable in a member method, be sure to use $this to find the member variable

Four: constructors:

2016/3/21 Object-oriented: ① Define class ② Instantiate object ③ $this keyword ④ constructor ⑤ destructor ⑥ Encapsulation ⑦ inheritance

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