"rec_items": [
{
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"last_chapter_name": "第二十五卷 第六章 一扫而空",
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},
{
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"last_chapter_name": "第三百八十一章 开始行动（中）",
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"gid": 10645516,
"author": "辰东",
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"last_sort": 478,
"last_chapter_name": "第四百三十二章 扛媳妇回村",
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"novel_name": "完美世界",
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},
"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",
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},
"gid": 3701669,
"author": "苍笑天",
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"last_chapter_name": "第两千两百二十五章 孔雀王！",
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"author": "风凌天下",
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"last_chapter_name": "第五百二十六章 九劫、天帝之战【七】",
"sub_count": 3082857,
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}
],
"cate_book_items": [
{
"classes": "玄幻",
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}
]
}';

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 '