mysql_fetch_assoc（）期望参数1是资源，给定数组 [英] mysql_fetch_assoc() expects parameter 1 to be resource, array given

问题描述

这是我的错误：mysql_fetch_assoc（）期望参数1是资源，给定数组..





请帮助我。 .i无法从谷歌找到任何帮助..



我的代码：

This is my error : mysql_fetch_assoc() expects parameter 1 to be resource, array given..


Please help me..i cant find any help from google..

my code:

<?php

        //print_r($categories);exit;
         $current_cat = null;

        
        while($row = mysql_fetch_assoc($categories))
        {
        //print_r($row);exit;
        if ($row["title"] != $current_cat)
        {
        $current_cat = $row["title"];
          echo $current_cat; // course category name
        }
        else
        {
          echo $row["course_title"]; // course name 
        }
        } ?>

数组输出为：（print_r（$ categories） ;退出;）



数组（[0] =>数组（[category_id] => 2 [title] =>甲板课程[course_title] => ;自适应转向）[1] =>数组（[category_id] => 2 [title] =>甲板课程[course_title] =>测试对象2）[2] =>数组（[category_id] => ; 2 [title] => Deck Courses [course_title] =>测试对象4）[3] =>数组（[category_id] => 3 [title] => Engine Room Courses [course_title] =>测试对象3））

array output is :(print_r($categories);exit;)

Array ( [0] => Array ( [category_id] => 2 [title] => Deck Courses [course_title] => Adaptive Steering ) [1] => Array ( [category_id] => 2 [title] => Deck Courses [course_title] => Test subject 2 ) [2] => Array ( [category_id] => 2 [title] => Deck Courses [course_title] => Test subject 4 ) [3] => Array ( [category_id] => 3 [title] => Engine Room Courses [course_title] => Test subject 3 ) )

推荐答案

类别）;退出;

categories);exit;

current_cat = null ;


while（

current_cat = null; while(

row = mysql_fetch_assoc（

row = mysql_fetch_assoc(

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