php面向对象
1.类的声明
[修饰类的关键字] class 类名 {
成员属性;
成员方法;
}
一个文件只保存一个类,文件名中包含类名,文件:类名.class.php
命名的写法:
变量:aaaBbbCcc
函数:aaaBbbCcc
常量:AAABBBCCC
类名:AaaBbbCcc
1 class person { 2 private $name; 3 private $age; 4 private $sex; 5 private $score; 6 7 function __construct($name,$age,$sex,$score){ 8 $this->name=$name; 9 $this->age=$age; 10 $this->sex=$sex; 11 $this->score=$score; 12 } 13 function say(){ 14 echo ‘MY name is ‘.$this->name.‘<br />‘; 15 echo ‘I\‘am ‘.$this->age.‘ years old <br />‘; 16 echo ‘i am a ‘.$this->sex.‘<br />‘; 17 echo ‘My score is ‘.$this->score.‘<br />‘; 18 echo ‘<br/>‘; 19 } 20 } 21 $Jim=new person("Jim","18","boy","90"); 22 $Lily=new person("Lily","17","girl","100"); 23 24 $Jim->say(); 25 $Lily->say(); 26 27 28 //result 29 MY name is Jim 30 I‘am 18 years old 31 i am a boy 32 My score is 90 33 34 MY name is Lily 35 I‘am 17 years old 36 i am a girl 37 My score is 100
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