PHP编码转换函数 mb_convert_encoding 与 iconv

最新推荐文章于 2021-03-29 12:54:28 发布

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#php #mb_convert_encoding #iconv

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本文对比了PHP中两种常用的字符编码转换函数：iconv()和mb_convert_encoding()。iconv()通常随大多数PHP安装包自带，当遇到无法映射到新字符集的字符时，可以指定将其转换为类似的字符或忽略。而mb_convert_encoding()通常需要额外安装php-mbstring扩展，其特色在于能够处理HTML实体，实现与网页十六进制代码之间的相互转换。

string mb_convert_encoding( string $str , string $to_encoding [, mixed $from_encoding ] )
  Returns the encoded string.

string iconv( string $in_charset , string $out_charset , string $str )
  Returns the converted string or FALSE on failure.

What is the difference between iconv() and mb_convert_encoding() in PHP?

iconv()
    included with most installs of PHP.
    when characters that can't be mapped to the new character set are found, you can specify if they are converted to a 'similar' character, or ignored.

mb_convert_encoding()
    usually requires installing the php-mbstring extension.
    is able to handle HTML-ENTITIES, converting to and from web hex codes.