@ 2017-06-22T14:21:16Z <?php
final class NonUtfToUtfOffset
{
/** @var int[] */
private $utfMap = [];
public function __construct(string $content)
{
$contentLength = mb_strlen($content);
for ($offset = 0; $offset < $contentLength; $offset ++) {
$char = mb_substr($content, $offset, 1);
$nonUtfLength = strlen($char);
for ($charOffset = 0; $charOffset < $nonUtfLength; $charOffset ++) {
$this->utfMap[] = $offset;
}
}
}
public function convertOffset(int $nonUtfOffset): int
{
return $this->utfMap[$nonUtfOffset];
}
}
$content = 'aą bać d';
$offsetConverter = new NonUtfToUtfOffset($content);
preg_match_all('#(bać)#ui', $content, $m, PREG_OFFSET_CAPTURE);
foreach ($m[1] as [$word, $offset]) {
echo "bad: " . mb_substr($content, $offset, mb_strlen($word))."\n";
echo "good: " . mb_substr($content, $offsetConverter->convertOffset($offset), mb_strlen($word))."\n";
}
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Output for 7.1.0 - 7.1.33 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.4 , 8.3.6 bad: ać
good: bać
Output for 8.3.5 Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
bad: ać
good: bać
Output for 7.0.0 - 7.0.33 Parse error: syntax error, unexpected ')', expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/8Y32J on line 34
Process exited with code 255 . Output for 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.40 Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/8Y32J on line 23
Process exited with code 255 . Output for 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 Parse error: syntax error, unexpected '[' in /in/8Y32J on line 7
Process exited with code 255 . Output for 5.0.0 - 5.0.5 Parse error: parse error, unexpected '[' in /in/8Y32J on line 7
Process exited with code 255 . Output for 4.4.2 - 4.4.9 Parse error: syntax error, unexpected T_CLASS in /in/8Y32J on line 4
Process exited with code 255 . Output for 4.3.0 - 4.3.1 , 4.3.5 - 4.3.11 , 4.4.0 - 4.4.1 Parse error: parse error, unexpected T_CLASS in /in/8Y32J on line 4
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error in /in/8Y32J on line 4
Process exited with code 255 . preferences:dark mode live preview
329.21 ms | 401 KiB | 459 Q