本文介绍了PHP中的UTF-8编码问题，特殊字符的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我正在尝试重新创建一个字符串，但是utf-8编码出现问题(我想是吗?)
I am trying to recreate a string but I am having issues with the utf-8 encoding (I guess?)
我正在使用下面的代码来格式化字符串
I am using the code below to format a string
$pre_subject = (strip_tags(html_entity_decode($temp_subject)));
$pre_subject = str_replace('Â', '', $pre_subject);
$pre_subject = iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', $pre_subject);
问题在于，我得到的不是第二句的结果，而是下面的第一句的结果.
The problem is that instead of getting the result as in the 1st sentence below, I get a result as the second one.
1st. summary: SHANGHAI room - Réunion
2nd. summary: SHANGHAI room - R'eunion
我需要保留格式作为第一个示例，如何修改我的代码?
I need to keep the format as the first example, how can I modify my code for that?
推荐答案
该字符串包含UTF-8字符.您需要对它们进行解码，或者告诉正在读取的内容以使用UTF-8编码.
The string has UTF-8 characters. You need to either decode them, or tell whatever is reading it to use UTF-8 encoding.
所以，这个:
$pre_subject = (strip_tags(html_entity_decode($temp_subject)));
$pre_subject = str_replace('Â', '', $pre_subject); // if this was trying to fix the problem, remove it
$pre_subject = utf8_decode($pre_subject);
或将其添加到<head>:
<meta charset="utf-8">
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