diff options
Diffstat (limited to 'inc/functions.php')
| -rw-r--r-- | inc/functions.php | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/inc/functions.php b/inc/functions.php index 1e198b14..5c6b7c72 100644 --- a/inc/functions.php +++ b/inc/functions.php @@ -1023,6 +1023,37 @@ $body = preg_replace("/\n/", '<br/>', $body); } + function html_entity_decode_utf8($string) { + static $trans_tbl; + + // replace numeric entities + $string = preg_replace('~&#x([0-9a-f]+);~ei', 'code2utf(hexdec("\\1"))', $string); + $string = preg_replace('~&#([0-9]+);~e', 'code2utf(\\1)', $string); + + // replace literal entities + if (!isset($trans_tbl)) { + $trans_tbl = array(); + + foreach (get_html_translation_table(HTML_ENTITIES) as $val=>$key) + $trans_tbl[$key] = utf8_encode($val); + } + + return strtr($string, $trans_tbl); + } + + // Returns the utf string corresponding to the unicode value (from php.net, courtesy - romans@void.lv) + function code2utf($num) { + if ($num < 128) + return chr($num); + if ($num < 2048) + return chr(($num >> 6) + 192) . chr(($num & 63) + 128); + if ($num < 65536) + return chr(($num >> 12) + 224) . chr((($num >> 6) & 63) + 128) . chr(($num & 63) + 128); + if ($num < 2097152) + return chr(($num >> 18) + 240) . chr((($num >> 12) & 63) + 128) . chr((($num >> 6) & 63) + 128) . chr(($num & 63) + 128); + return ''; + } + function utf8tohtml($utf8, $encodeTags=true) { $result = ''; for ($i = 0; $i < strlen($utf8); $i++) { @@ -1040,7 +1071,7 @@ } else if ($ascii < 240) { // three-byte character $ascii1 = ord($utf8[$i+1]); - $ascii2 = ord($utf8[$i+2]); + $ascii2 = @ord($utf8[$i+2]); $unicode = (15 & $ascii) * 4096 + (63 & $ascii1) * 64 + (63 & $ascii2); |