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utf8_decode

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(PHP 4, PHP 5, PHP 7)

utf8_decode — Converts a string with ISO-8859-1 characters encoded with UTF-8 to single-byte ISO-8859-1

Description

utf8_decode ( string $data ) : string

This function converts the string data from the UTF-8 encoding to ISO-8859-1. Bytes in the string which are not valid UTF-8, and UTF-8 characters which do not exist in ISO-8859-1 (that is, characters above U+00FF) are replaced with ?.

Note:

Many web pages marked as using the ISO-8859-1 character encoding actually use the similar Windows-1252 encoding, and web browsers will interpret ISO-8859-1 web pages as Windows-1252. Windows-1252 features additional printable characters, such as the Euro sign (€) and curly quotes (“ ”), instead of certain ISO-8859-1 control characters. This function will not convert such Windows-1252 characters correctly. Use a different function if Windows-1252 conversion is required.

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Parameters

data

A UTF-8 encoded string.

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Return Values

Returns the ISO-8859-1 translation of data.

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Changelog

Version Description
7.2.0 This function has been moved to the core of PHP, and therefore lifting the requirement on the XML extension for this function to be available.

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See Also

  • utf8_encode() - Encodes an ISO-8859-1 string to UTF-8 - Performs the reverse conversion
  • mb_convert_encoding() - Convert character encoding - Converts between various character encodings, including UTF-8, ISO-8859-1 and Windows-1252
  • iconv() - Convert string to requested character encoding - Converts between various character encodings
  • recode_string() - Recode a string according to a recode request - Converts between various character encodings

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Document created the 30/01/2003, last modified the 26/10/2018
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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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