我想把这个 hello@domain.com
转换成
I want to convert this hello@domain.com
to
hello@domain.com
我试过了:
url_encode($string)
这提供了我输入的相同字符串,返回时将@ 符号转换为 %40
this provides the same string I entered, returned with the @ symbol converted to %40
也尝试过:
htmlentities($string)
这提供了相同的字符串.
this provides the same string right back.
我使用的是 UTF8 字符集.不知道这是否有所作为....
I am using a UTF8 charset. not sure if this makes a difference....
就这样(假设是 UTF-8,但更改起来很简单):
Here it goes (assumes UTF-8, but it's trivial to change):
function encode($str) {
$str = mb_convert_encoding($str , 'UTF-32', 'UTF-8'); //big endian
$split = str_split($str, 4);
$res = "";
foreach ($split as $c) {
$cur = 0;
for ($i = 0; $i < 4; $i++) {
$cur |= ord($c[$i]) << (8*(3 - $i));
}
$res .= "&#" . $cur . ";";
}
return $res;
}
编辑推荐使用unpack
的替代方法::>
function encode2($str) {
$str = mb_convert_encoding($str , 'UTF-32', 'UTF-8');
$t = unpack("N*", $str);
$t = array_map(function($n) { return "&#$n;"; }, $t);
return implode("", $t);
}
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