Online PHP editor | output for 8Y32J

@ 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";
    }

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 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.14: 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.

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