PHP UNICODE编码(\u) 和UTF-8 之间转换
作者:admin 日期:2021-11-22
PHP代码
- header("content:application/json;chartset=uft-8");
- //将内容进行UNICODE编码
- function unicode_encode($name){
- $name = iconv('UTF-8', 'UCS-2', $name);
- $len = strlen($name);
- $str = '';
- for ($i = 0; $i < $len - 1; $i = $i + 2)
- {
- $c = $name[$i];
- $c2 = $name[$i + 1];
- if (ord($c) > 0)
- { // 两个字节的文字
- $str .= '\u'.base_convert(ord($c), 10, 16).base_convert(ord($c2), 10, 16);
- }
- else
- {
- $str .= $c2;
- }
- }
- return $str;
- }
- //将UNICODE编码后的内容进行解码
- function unicode_decode($name){
- // 转换编码，将Unicode编码转换成可以浏览的utf-8编码
- $pattern = '/([\w]+)|(\\\u([\w]{4}))/i';
- preg_match_all($pattern, $name, $matches);
- if (!emptyempty($matches))
- {
- $name = '';
- for ($j = 0; $j < count($matches[0]); $j++)
- {
- $str = $matches[0][$j];
- if (strpos($str, '\\u') === 0)
- {
- $code = base_convert(substr($str, 2, 2), 16, 10);
- $code2 = base_convert(substr($str, 4), 16, 10);
- $c = chr($code).chr($code2);
- $c = iconv('UCS-2', 'UTF-8', $c);
- $name .= $c;
- }
- else
- {
- $name .= $str;
- }
- }
- }
- return $name;
- }
- $utf8_name = 'MY,你的东西'; //MY,\u4f60\u5927\u7237\u7684
- $unicode_name=unicode_encode($utf8_name);
- echo $unicode_name . ' -> '.unicode_decode($unicode_name);
- echo unicode_decode("\u0000");
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