php-How to delete the same single array in a two-dimensional array and keep the same key name to ask God to write a function

PHP arrays

Array
(
[0] = = Array
(
[Year] = 2013-2014
[Term] = 1
[Course_code] = 00008069
[Course_name] = Coffee World
[Course_nature] = any elective
[Course_attribution] = Humanities Literacy Category
[Credit] = 2.0
[Point] = 4.1
[Grade] = 91
[Minor_tag] = 0
[Makeup_grade] =

[Rebuild_grade] =

[Begin_college] = the Institute of Tourism and Cultural industry
[Remark] =

[Rebuild_tag] = 0
[0] = 77
[1] = 2
)

                    [1] = = Array ([year] = 2013-2014                                    [Term] = 1 [course_code] + 00008069                                    [Course_name] = Coffee World [course_nature] = optional                                    [Course_attribution] = Humanities literacy category [Credit] = 2.0                                    [Point] = 4.1 [Grade] = 91                                      [Minor_tag] = 0 [Makeup_grade] =                                    [Rebuild_grade] [begin_college] = = School of tourism and cultural industry [Remark] [Rebuild_tag] = 0 [0] =&gt ;                    77                [1] = 2) [2] = = Array (                                    [Year] = 2013-2014 [term] = 1                                    [Course_code] = 00008069 [course_name] = Coffee World                                    [Course_nature] = optional elective [course_attribution] = Humanities Literacy Category                                    [Credit] = 2.0 [Point] = 4.1                                    [Grade] = [Minor_tag] = 0 [Makeup_grade] = [Rebuild_grade] = [Begi N_college [Remark] = [rebuild_            Tag] = 0                        [0] = [1] = 2) 

)

As above how to make it into
Array
(
[0] = = Array
(
[Year] = 2013-2014
[Term] = 1
[Course_code] = 00008069
[Course_name] = Coffee World
[Course_nature] = any elective
[Course_attribution] = Humanities Literacy Category
[Credit] = 2.0
[Point] = 4.1
[Grade] = 91
[Minor_tag] = 0
[Makeup_grade] =

[Rebuild_grade] =

[Begin_college] = the Institute of Tourism and Cultural industry
[Remark] =

[Rebuild_tag] = 0
[0] = 77
[1] = 2
)
}

