php man page for utf8_decode

UTF8_DECODE(3)								 1							    UTF8_DECODE(3)

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

SYNOPSIS
       string utf8_decode (string  $data)

DESCRIPTION
	This function decodes $data, assumed to be UTF-8 encoded, to ISO-8859-1.

PARAMETERS
	      o $data
		- An UTF-8 encoded string.

RETURN VALUES
	Returns the ISO-8859-1 translation of $data.

SEE ALSO
       utf8_encode(3) (contains an explanation of UTF-8 encoding).

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