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我正在调查PHP5中的编码.有没有办法获得字符串的原始十六进制转储？即字符串中每个字节(非字符)的十六进制表示？

我正在将一个对象转换为数组,之后我无法通过键访问生成的数组.

这是代码

print_r($new);
$new = (array)$new;
echo $new['EPPContactemail'];

foreach($new as $attr=>$value)
{
    echo "$attr => $value \n";
}

输出是

EPPContact Object
(
    [id:EPPContact:private] => 6553377C74FC9899
    [roid:EPPContact:private] => 50085436-UK
    [status:EPPContact:private] => ok
    [voice:EPPContact:private] => +44.554545454
    [email:EPPContact:private] => some@email.com
    [fax:EPPContact:private] => 
    [clID:EPPContact:private] => TSOHOST
    [crID:EPPContact:private] => EPP-TSOHOST
    [crDate:EPPContact:private] => 2013-07-17T09:53:41
)

Notice: Undefined index: EPPContactemail in /home/parvhraban/domains/src/local_libs/EPP/Builder/Contact/Update.php on line 9
EPPContactid => 6553377C74FC9899
EPPContactroid => 50085436-UK
EPPContactstatus => ok
EPPContactvoice => +44.554545454
EPPContactemail => some@email.com
EPPContactfax => 
EPPContactclID => TSOHOST
EPPContactcrID => …