消息“不允许对'SimpleXMLElement'进行序列化”的未捕获异常'Exception' [英] Uncaught exception 'Exception' with message 'Serialization of 'SimpleXMLElement' is not allowed'
问题描述
我不确定为什么会这样。我不是 序列化XML,而是从RSS feed创建的数组(请注意,这只是一个片段):
I am not sure why this is coming up. I am not serializing the XML, but my array that I created from an RSS feed (note this is just a snippet):
$game_data = array (
'sysreqos' => $game->systemreq->pc->sysreqos,
'sysreqmhz' => $game->systemreq->pc->sysreqmhz,
'sysreqmem' => $game->systemreq->pc->sysreqmem,
'sysreqdx' => $game->systemreq->pc->sysreqdx,
'sysreqhd' => $game->systemreq->pc->sysreqhd,
);
然后我将其序列化 $ some_var = serialize($ game_data)
并写入文本文件 fputs($ fh,$ some_var)
。
Then I serialize it $some_var = serialize($game_data)
and write to a text file fputs($fh,$some_var)
.
但是没走那么远,它会在序列化行上出错:
But it does not get that far, it errors out on the serialize line:
未捕获的异常 Exception,消息为 SimpleXMLElement的序列化
Uncaught exception 'Exception' with message 'Serialization of 'SimpleXMLElement' is not allowed'
推荐答案
您必须将XML数据转换为字符串,因为在内部它们都是 SimpleXMLElement
s。
You have to cast the XML data to a string because internally they are all SimpleXMLElement
s.
$game_data = array (
'sysreqos' => (string)$game->systemreq->pc->sysreqos,
'sysreqmhz' => (string)$game->systemreq->pc->sysreqmhz,
'sysreqmem' => (string)$game->systemreq->pc->sysreqmem,
'sysreqdx' => (string)$game->systemreq->pc->sysreqdx,
'sysreqhd' => (string)$game->systemreq->pc->sysreqhd
);
或者更优雅一点:
$game_data = array();
$properties = array('sysreqos', 'sysreqmhz', 'sysreqmem', 'sysreqdx', 'sysreqhd');
foreach ($properties as $p) {
$game_data[$p] = (string)$game->systemreq->pc->$p;
}
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