1 2 3 4 5 6 7 8 | <?php$num = "011223333";$res = preg_replace_callback( '/(\d)\1*/', fn($match) => strlen($match[0]) . $match[0][0], $num);var_dump($res); //102243 |
1 2 3 4 5 6 7 8 | <?php$num = "011223333";$res = preg_replace_callback( '/(\d)\1*/', fn($match) => strlen($match[0]) . $match[0][0], $num);var_dump($res); //102243 |