PHP number three fallback 1 object-oriented notation

PHP Number 3 Fallback 1 object-oriented notation

 Add ();                        }}//Monkey Add Method function Add () {$m = new Monkey ();                        $m->id = $this->ct;                                if ($this->ct==0) {$this->first = $m;                                $this->last = $m;                                $m->left = $m;                        $m->right = $m;                                }else{$this->last->right = $m;                                $m->left = $this->last;                                $m->right = $this->first;                                $this->first->left = $m;                        $this->last = $m;                } $this->ct++;                                }//Monkey Delete method function del ($m) {if ($this->ct <=0) { Return                       }else if ($this->ct = = 1) {$this->first                        = $this->last = null;                                }else{$m->left->right = $m->right;                                $m->right->left = $m->left;                                if ($m = = $this->first) {$this->first = $m->right;                                }else if ($m = = $this->last) {$this->last = $m->left;                }} $this->ct--;        }}//* The code here is to get 500 monkeys to take a lap and then count three to go back one way, until there's one left. Print the monkey's number.        $circle = new Circle (500);        = 0;        $MK = $circle->first;                while ($circle->ct > 1) {+ +;            if (= = 3) {            = 0;                $circle->del ($MK);        } $MK = $mk->right; } echo $circle->first->id;?  >

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