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问题描述
我用来获取电子邮件后缀的当前代码
Current Code I'm using to get email suffix
$emailarray = explode('@',$email_address);
$emailSuffix = $emailarray[1];
必须有一个更高效的功能。也许使用 substr()
?
There's gotta be a more efficient function. Maybe something using substr()
?
推荐答案
更短:
$emailSuffix = end(explode('@', $email_address));
但是我认为它没有比这更有效的方法。正则表达式可能会更慢。
But I don't think it gets any significantly more efficient than that. Regex is probably slower.
我做了一些测试,尽管此版本比使用版本快3倍。
I did some testing and although this version was 3 times faster than using the
$a = explode('@', $email_address);
$foo = $a[1];
和
if (preg_match('~^.+@(.+)$~', $email_address, $reg))
$foo = $reg[1];
它不符合 strict 标准:
EDIT2
EDIT2
$foo = substr($email_address, strpos($email_address, '@'));
大约与end(explode(。))方法一样快,所以我建议一个。请查看rayman86的答案和评论。
is about as fast as the end(explode(.)) method so I would suggest that one. Please see rayman86's answer and comments.
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