(PHP 4, PHP 5, PHP 7)
Encodes an ISO-8859-1 string to UTF-8
string utf8_encode ( string $data )
This function encodes the string data
to UTF-8, and returns the encoded version. UTF-8 is a standard mechanism used by Unicode for encoding wide character values into a byte stream. UTF-8 is transparent to plain ASCII characters, is self-synchronized (meaning it is possible for a program to figure out where in the bytestream characters start) and can be used with normal string comparison functions for sorting and such. PHP encodes UTF-8 characters in up to four bytes, like this:
bytes | bits | representation |
---|---|---|
1 | 7 | 0bbbbbbb |
2 | 11 | 110bbbbb 10bbbbbb |
3 | 16 | 1110bbbb 10bbbbbb 10bbbbbb |
4 | 21 | 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb |
b
Parameters:
data
An ISO-8859-1 string.
Returns:
Returns the UTF-8 translation of data
.
See also:
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