如:
$grade = Array
(
[0] => Array
(
[course_name] => 大学英语(综合)-1
[course_strid] => College English (Comprehensive)-1
[credit] => 2
[course_nature] => 必修
[grade] => 70.0
[year] => 2013-2014
[term] => 1
[user_id] => 1034
)
)
$temp = Array
(
[0] => Array
(
[user_id] => 1034
[year] => 2013-2014
[term] => 1
[course_name] => 大学英语(综合)-1
[course_nature] => 必修
[credit] => 3
[grade] => 1
[course_strid] => 1
)
)
以$grade为准 若两个数组只要有不同 就返回$grade的数组
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foreach简单,高手来个优雅的方法!