Multidimensional arrays eliminate duplicate values

Suitable for merging arrays to remove duplicate arrays. Mark for yourself, please. Www.appleshu.com $json = ' { "Rec_items": [ { "Classes": "Fantasy", "GID": 6326585, "Author": "I eat tomatoes", "Nid": 10079306, "Last_sort": 841, "Last_chapter_name": "25th volume sixth chapter swept Away", "Sub_count": 5364424, "Novel_name": "Reckless and desolate", "Last_update_time": 1393679718826 }, { "Classes": "Fantasy", "GID": 6109786, "Author": "Tang Three Little", "Nid": 10079046, "Last_sort": 1153, "Last_chapter_name": "The No. 381 chapter begins to act (middle)", "Sub_count": 3933876, "Novel_name": "The Peerless Tang Gate", "Last_update_time": 1393681654511 }, { "Classes": "Fantasy", "GID": 10645516, "Author": "Chen Dong", "Nid": 12649548, "Last_sort": 478, "Last_chapter_name": "The No. 432 chapter carries the daughter-in-law back to the village", "Sub_count": 1422482, "Novel_name": "Perfect World", "Last_update_time": 1393681655610 }, { "Classes": "Fantasy", "GID": 4711723, "Author": "Just a little shrimp", "Nid": 12629406, "Last_sort": 2603, "Last_chapter_name": "The No. 2588 Chapter wakes up!" ", "Sub_count": 2841630, "Novel_name": "Wu Inverse", "Last_update_time": 1393605899300 }, { "Classes": "Fantasy", "GID": 3701669, "Author": "Pale Smile Day", "Nid": 8583556, "Last_sort": 3427, "Last_chapter_name": "Chapter 2,225 Peacock King!" ", "Sub_count": 606473, "Novel_name": "Wu broken Nine", "Last_update_time": 1391279170831 }, { "Classes": "Fantasy", "GID": 8141499, "Author": "Wind The World", "Nid": 9212380, "Last_sort": 2579, "Last_chapter_name": "The No. 526 Chapter nine robbery, the war of the Emperor" Seven ", "Sub_count": 3082857, "Novel_name": "Proud Kokonoe days", "Last_update_time": 1393677692614 } ], "Cate_book_items": [ { "Classes": "Fantasy", "GID": 4711723, "Author": "Just a little shrimp", "Nid": 12629406, "Last_sort": 2603, "Last_chapter_name": "The No. 2588 Chapter wakes up!" ", "Sub_count": 2841630, "Novel_name": "Wu Inverse", "Last_update_time": 1393605899300 }, { "Classes": "Fantasy", "GID": 3701669, "Author": "Pale Smile Day", "Nid": 8583556, "Last_sort": 3427, "Last_chapter_name": "Chapter 2,225 Peacock King!" ", "Sub_count": 606473, "Novel_name": "Wu broken Nine", "Last_update_time": 1391279170831 }, { "Classes": "Fantasy", "GID": 10645516, "Author": "Chen Dong", "Nid": 12649548, "Last_sort": 478, "Last_chapter_name": "The No. 432 chapter carries the daughter-in-law back to the village", "Sub_count": 1422482, "Novel_name": "Perfect World", "Last_update_time": 1393681655610 } ] }'; function Mult_unique ($array) { $return = Array (); foreach ($array as $key = $v) { if (!in_array ($v, $return)) { $return [$key]= $v; } } return $return; } $json = Get_object_vars (Json_decode ($json)); $data = $json [' Rec_items ']; $data = Array_merge_recursive ($data, $json [' Cate_book_items ']); Echo ' '; Print_r ($data); Echo ' '; Print_r (Mult_unique ($data)); Echo ' '; ?> Copy Code

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