PHP编码转换函数 mb_convert_encoding 与 iconv_PHP_编程开发_程序员俱乐部

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. 

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

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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.