update_grade.php

Download you own three BR

<?php
    //更新等级和经验	
	for($i=1;$i>0;$i++){
		$query_grade2=$db->query("select p_score,p_grade from player_info where `u_id`='".$_COOKIE['UserId']."'");
		$grade_result2=$db->fetch_array($query_grade2);
		//下级所需经验
		$next_score = 300 * pow(1.2,$grade_result2['p_grade']);
			
		//当前经验值与下级所需经验比较
		$remain_score = ($grade_result2['p_score'] >= $next_score) ?  $grade_result2['p_score'] - $next_score : "-1";
		if($remain_score >= 0){
			//更新等级与经验值
			$db->query("update player_info set `p_grade`='".($grade_result2['p_grade']+1)."',`p_score`='".$remain_score."' where `u_id`='".$_COOKIE['UserId']."'");
		}else break;
	}

?>