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[ticket/16151] Enable Emojis and rich text in forum name

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Move to a new function()

PHPBB3-16151
This commit is contained in:
3D-I
2019-10-28 02:34:59 +01:00
parent 6600fc6cad
commit 2cdc2e751e
2 changed files with 34 additions and 25 deletions
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43
phpBB/includes/utf/utf_tools.php
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@@ -418,24 +418,43 @@ function utf8_recode($string, $encoding)
}
/**
* Replace all UTF-8 chars that are not in ASCII with their NCR
*
* @param string $text UTF-8 string in NFC
* @return string ASCII string using NCRs for non-ASCII chars
*/
* Replace some special UTF-8 chars that are not in ASCII with their UCR.
* using their Numeric Character Reference's Hexadecimal notation.
*
* Doesn't interfere with Japanese or Cyrillic etc.
* Unicode character visualization will depend on the character support
* of your web browser and the fonts installed on your system.
*
* @see https://en.wikibooks.org/wiki/Unicode/Character_reference/1F000-1FFFF
*
* @param string $text UTF-8 string in NFC
* @return string ASCII string using NCR for non-ASCII chars
*/
function utf8_encode_ucr($text)
{
return preg_replace_callback('/[\\xF0-\\xF4].../', 'utf8_encode_ncr_callback', $text);
}
/**
* Replace all UTF-8 chars that are not in ASCII with their NCR
* using their Numeric Character Reference's Hexadecimal notation.
*
* @param string $text UTF-8 string in NFC
* @return string ASCII string using NCRs for non-ASCII chars
*/
function utf8_encode_ncr($text)
{
return preg_replace_callback('#[\\xC2-\\xF4][\\x80-\\xBF]{1,3}#', 'utf8_encode_ncr_callback', $text);
}
/**
* Callback used in encode_ncr()
*
* Takes a UTF-8 char and replaces it with its NCR. Attention, $m is an array
*
* @param array $m 0-based numerically indexed array passed by preg_replace_callback()
* @return string A HTML NCR if the character is valid, or the original string otherwise
*/
* Callback used in utf8_encode_ncr() and utf8_encode_ucr()
*
* Takes a UTF-8 char and replaces it with its NCR. Attention, $m is an array
*
* @param array $m 0-based numerically indexed array passed by preg_replace_callback()
* @return string A HTML NCR if the character is valid, or the original string otherwise
*/
function utf8_encode_ncr_callback($m)
{
return '&#' . utf8_ord($m[0]) . ';';