(PHP 4 >= 4.0.6, PHP 5, PHP 7) Callback function converts character encoding in output buffer
(PHP 4 >= 4.0.6, PHP 5, PHP 7) Set/Get character encoding detection order
(PHP 4 >= 4.2.0, PHP 5, PHP 7) Regular expression match with multibyte support
(PHP 4 >= 4.2.0, PHP 5, PHP 7) Replace regular expression with multibyte support ignoring case
(PHP 4 >= 4.2.0, PHP 5, PHP 7) Regular expression match for multibyte string
(PHP 4 >= 4.2.0, PHP 5, PHP 7) Retrieve the result from the last multibyte regular expression match
(PHP 4 >= 4.2.0, PHP 5, PHP 7) Set/Get character encoding for multibyte regex
(PHP 4 >= 4.0.6, PHP 5, PHP 7) Encode string for MIME header
(PHP 4 >= 4.0.6, PHP 5, PHP 7) Return width of string
(PHP 4 >= 4.0.6, PHP 5, PHP 7) Convert "kana" one from another ("zen-kaku", "han-kaku" and more)
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