Tickets :: Comment on [#11930] Horde_String::validUtf8 fails to validate valid UTF8

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Comment	> a quick reference i found without reading the whole paper is table 3.7 in > http://www.unicode.org/versions/Unicode6.0.0/ch03.pdf > a implementation of the table i crafted is bellow > > static public function validUtf8($text) > { > $text = strval($text); > $len = strlen($text); > for ($i = 0; $i < $len; $i++) { > $c = ord($text[$i]); > if ($c >= 128) { > if ($c > 244) return false; > elseif ($c > 239) {$bytes = 4; > if ($c = 240) {$c1 = ord($text[$i+1]); > if (($c1 < 144)) return false;} > if ($c = 244) {$c1 = ord($text[$i+1]); > if (($c1 > 144)) return false;}} > elseif ($c > 223) {$bytes = 3; > if ( $c = 237) {$c1 = ord($text[$i+1]); > if (($c1 > 159)) return false;} > if ( $c = 224) {$c1 = ord($text[$i+1]); > if (($c1 < 160)) return false;}} > elseif ($c > 193) $bytes = 2; > else return false; > if (($i + $bytes) > $len) return false; > while ($bytes > 1) { > $i++; > $c = ord($text[$i]); > if (($c < 128) \|\| ($c > 191)) return false; > $bytes--; > > } > } > } > > return true; > } > > Warning i am not a programmer
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