PHP 封装常用函数

PHP父菜单包含子菜单方式

 private function getTree($data, $pid = 0)    {        $tree = [];        foreach ($data as $k => $v) {            if ($v['pid'] == $pid) {                $v['children'] = $this->getTree($data, $v['id']);                $tree[] = $v;                unset($data[$k]);            }        }        return $tree;    }

PHP清除缓存代码

if(!function_exists('delete_dir_file')){    function delete_dir_file($dir){        if(is_dir($dir)){            $handle = opendir($dir);            while(($item = readdir($handle)) !== false){                if($item != '.' && $item != '..'){                    if(is_dir($dir.'\\'.$item)){                        delete_dir_file($dir.'\\'.$item);                    }else{                        unlink($dir.'\\'.$item);                    }                }            }        }        closedir($handle);    }}

PHP封装登录跳转代码

//封装登录欺骗跳转函数function jumpTo($url){    echo "<script type='text/javascript'>";    //完整地址    echo "location.href='" . $url . "'";    echo "</script>";}

PHP无限级分类阶梯菜单

// 无限级分类 阶梯菜单    static public function RuleList($rule,$pid=0,$lev=1){        $arr=array();        foreach($rule as $v){            if($v['pid']==$pid){                $v['lev']=$lev;                $arr[]=$v;                $arr=array_merge($arr,self::RuleList($rule,$v['id'],$lev+1));            }        }        return $arr;    }