PHP determines half straight, straight, and pair example code

This article mainly shares with you the PHP example code for judging half straight, straight, and pair. I hope it can help everyone.

判断半顺,顺子, 对子public function test(){
    $var ='1,2,3';    $vars = explode(',',$var);    $res = '';    if($vars[0] ==$vars[1] &&$vars[0] ==$vars[2]&& $vars[1] ==$vars[2]){        $res ='豹子';
    }else{         $dz ='';        if($vars[0] ==$vars[1]){            $dz++;
        }        if($vars[0]==$vars[2]){            $dz++;
        }        if($vars[1] ==$vars[2]){            $dz++;
        }        if($dz ==1){            $res ='对子';
        }else {            $bb=0;            if(abs($vars[0]-$vars[1]) ==1){                $bb++;
            }            if (abs($vars[0]-$vars[2]) ==1){                $bb++;
            }            if(abs($vars[1]-$vars[2]) ==1){                $bb++;
            }            if($bb ==0){                $res ='杂六';
            }if($bb==1){                $res ='半顺';
            }if($bb==2){                $res ='顺子';
            }
        }
    }    echo $res;
}

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