怎样删除二维数组中相同的一位数组 并保持相同键名 求大神写个函数

Array [0] => Array [year] => 2013-2014 [term] => 1 [course_code] => 00008069 [course_name] => 咖啡世界 [course_nature] => 任意选修 [course_attribution] => 人文素养类 [credit] => 2.0 [point] => 4.1 [grade] => 91 [minor_tag] => 0 [makeup_grade] =>   [rebuild_grade] =>   [begin_college] => 旅游文化产业学院 [remark] =>   [rebuild_tag] => 0 [0] => 77 [1] => 2 [1] => Array [year] => 2013-2014 [term] => 1 [course_code] => 00008069 [course_name] => 咖啡世界 [course_nature] => 任意选修 [course_attribution] => 人文素养类 [credit] => 2.0 [point] => 4.1 [grade] => 91 [minor_tag] => 0 [makeup_grade] =>   [rebuild_grade] =>   [begin_college] => 旅游文化产业学院 [remark] =>   [rebuild_tag] => 0 [0] => 77 [1] => 2 [2] => Array [year] => 2013-2014 [term] => 1 [course_code] => 00008069 [course_name] => 咖啡世界 [course_nature] => 任意选修 [course_attribution] => 人文素养类 [credit] => 2.0 [point] => 4.1 [grade] => 91 [minor_tag] => 0 [makeup_grade] =>   [rebuild_grade] =>   [begin_college] => 旅游文化产业学院 [remark] =>   [rebuild_tag] => 0 [0] => 77 [1] => 2 如上面 怎样让它变成
Array [0] => Array [year] => 2013-2014 [term] => 1 [course_code] => 00008069 [course_name] => 咖啡世界 [course_nature] => 任意选修 [course_attribution] => 人文素养类 [credit] => 2.0 [point] => 4.1 [grade] => 91 [minor_tag] => 0 [makeup_grade] =>   [rebuild_grade] =>   [begin_college] => 旅游文化产业学院 [remark] =>   [rebuild_tag] => 0 [0] => 77 [1] => 2 }

php array_merge

<?php
// http://3v4l.org/LOqSW
function unique$arr { foreach$arr as $k => $v $arr[$k] = serialize$v; $arr = array_unique$arr; foreach$arr as $k => $v $arr[$k] = unserialize$v; return $arr;
} $jwcUpdate = unique$jwcUpdate;
print_r$jwcUpdate;

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