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如何在數據庫中以逗號分隔插入一個或多個鏈接?

[英]how to insert one or more link in comma-separated in database?

我想以這種形式在數據庫中插入以逗號分隔的“ http //”鏈接是:

https://stackoverflow.com/questions/ask, 
https://stackoverflow.com/questions/ask,
https://stackoverflow.com/questions/ask,

那是我的插入查詢

$url = array($_REQUEST[url_name]);
$arr = implode(',', $url);
mysql_query("insert into url(url_name)values('$arr')"); 

如何將http鏈接保存在數據庫中並以逗號分隔?

這不是存儲價值的好習慣

使用base64_encode

$ a =“ https://stackoverflow.com/questions/ask,https://stackoverflow.com/questions/ask,https://stackoverflow.com/questions/ask

base64_encode($a);

獲取原始值: base64_decode

base64_decode($a);

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