PHP pa和ma

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 1 <?php 2  3 class Mouse 4 { 5     private $color; 6     public $sex; 7  8     public function __construct($role){ 9         switch($role){10             case ‘pa‘:11                 $this->color = ‘black‘;12                 $this->sex = ‘male‘;13                 break;14             case ‘ma‘:15                 $this->color = ‘white‘;16                 $this->sex = ‘female‘;17                 break;18             default:19                 throw new Exception(‘pa Or ma,please!‘);20         }21     }22 23     public function getColor(Mouse $mouse){24         if($mouse->sex == $this->sex){25             var_dump($this->color);26         }else{27             var_dump(‘*****‘);28         }29     }30 31     public function mateWithMa(Mouse $ma){32         if($this->sex == ‘male‘ && $ma->sex = ‘female‘){33             var_dump(‘You have been trust by ma‘);34             $ma->color = $this->color;35             var_dump("success to mate! ma‘s color :" .($ma->color));36         }37     }38 39     public function mateWithPa(Mouse $pa){40         if($this->sex == ‘female‘ && $pa->sex == ‘male‘){41             var_dump(‘You have been trust by pa‘);42             $pa->color = $this->color;43             var_dump("success to mate! pa‘s color :" .($pa->color));44         }45     }46 }47 48 var_dump(‘The First Couple :‘);49 $pa1 = new Mouse(‘pa‘);50 $ma1 = new Mouse(‘ma‘);51 $pa1->mateWithMa($ma1);52 $ma1->mateWithPa($pa1);53 54 echo "\n";55 56 var_dump(‘The Second Couple :‘);57 $pa2 = new Mouse(‘pa‘);58 $ma2 = new Mouse(‘ma‘);59 $ma2->mateWithPa($pa2);60 $pa2->mateWithMa($ma2);

 

 

此文相關php知識點見 ：http://www.php-internals.com/book/?p=chapt05/05-03-class-visibility

 

PHP pa和ma