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<?php $json='{ "rec_items": [ { "classes": "玄幻", "gid": 6326585, "author": "我吃西红柿", "nid": 10079306, "last_sort": 841, "last_chapter_name": "第二十五卷第六章一扫而空", "sub_count": 5364424, "novel_name": "莽荒纪", "last_update_time": 1393679718826 }, { "classes": "玄幻", "gid": 6109786, "author": "唐家三少", "nid": 10079046, "last_sort": 1153, "last_chapter_name": "第三百八十一章开始行动（中）", "sub_count": 3933876, "novel_name": "绝世唐门", "last_update_time": 1393681654511 }, { "classes": "玄幻", "gid": 10645516, "author": "辰东", "nid": 12649548, "last_sort": 478, "last_chapter_name": "第四百三十二章扛媳妇回村", "sub_count": 1422482, "novel_name": "完美世界", "last_update_time": 1393681655610 }, { "classes": "玄幻", "gid": 4711723, "author": "只是小虾米", "nid": 12629406, "last_sort": 2603, "last_chapter_name": "第2588章苏醒！", "sub_count": 2841630, "novel_name": "武逆", "last_update_time": 1393605899300 }, { "classes": "玄幻", "gid": 3701669, "author": "苍笑天", "nid": 8583556, "last_sort": 3427, "last_chapter_name": "第两千两百二十五章孔雀王！", "sub_count": 606473, "novel_name": "武破九霄", "last_update_time": 1391279170831 }, { "classes": "玄幻", "gid": 8141499, "author": "风凌天下", "nid": 9212380, "last_sort": 2579, "last_chapter_name": "第五百二十六章九劫、天帝之战【七】", "sub_count": 3082857, "novel_name": "傲世九重天", "last_update_time": 1393677692614 } ], "cate_book_items": [ { "classes": "玄幻", "gid": 4711723, "author": "只是小虾米", "nid": 12629406, "last_sort": 2603, "last_chapter_name": "第2588章苏醒！", "sub_count": 2841630, "novel_name": "武逆", "last_update_time": 1393605899300 }, { "classes": "玄幻", "gid": 3701669, "author": "苍笑天", "nid": 8583556, "last_sort": 3427, "last_chapter_name": "第两千两百二十五章孔雀王！", "sub_count": 606473, "novel_name": "武破九霄", "last_update_time": 1391279170831 }, { "classes": "玄幻", "gid": 10645516, "author": "辰东", "nid": 12649548, "last_sort": 478, "last_chapter_name": "第四百三十二章扛媳妇回村", "sub_count": 1422482, "novel_name": "完美世界", "last_update_time": 1393681655610 } ] }'; function mult_unique($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, $json['cate_book_items']); echo '<pre>'; print_r($data); echo '<br>'; print_r(mult_unique($data)); echo '</pre>'; ?>