Question

我需要将两个数组合并到一个数组中。

看起来array_merge不支持多维数组。

课程

Array ( 
[0] => Array ( [Name] => Course1 [CourseId] => 1 [Selected] => ) 
[1] => Array ( [Name] => Course2 [CourseId] => 2 [Selected] => ) 
[2] => Array ( [Name] => Course3 [CourseId] => 3 [Selected] => ) 
[3] => Array ( [Name] => Course4 [CourseId] => 4 [Selected] => ) 
[4] => Array ( [Name] => Course5 [CourseId] => 5 [Selected] => )
)

TeacherCourses

Array ( 
[0] => Array ( [CourseId] => 1 [Selected] => selected) 
[1] => Array ( [CourseId] => 2 [Selected] => selected) 
[2] => Array ( [CourseId] => 3 [Selected] => selected) 
)

我需要这个结果

Array ( 
[0] => Array ( [Name] => Course1 [CourseId] => 1 [Selected] => selected) 
[1] => Array ( [Name] => Course2 [CourseId] => 2 [Selected] => selected) 
[2] => Array ( [Name] => Course3 [CourseId] => 3 [Selected] => selected) 
[3] => Array ( [Name] => Course4 [CourseId] => 4 [Selected] => ) 
[4] => Array ( [Name] => Course5 [CourseId] => 5 [Selected] => )
)

Answer 1

您是否尝试过 foreach 循环？

我们走了，：

foreach($arr1 as $key => $value){
    foreach($arr2 as $value2){
        if($value['CourseId'] === $value2['CourseId']){
            $arr1[$key]['Selected'] = $value2['Selected'];
        }               
    }
}

希望这会对你有所帮助。

继续编码：）

uniq多维数组

1 个答案: