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<?php $numbers = [1, 2, 3, 4, 5, 6, 7, 11, 21, 22, 23, 24]; $prev = -1; foreach ($numbers as $n) { if (!isset($start)) { $start = $n; } elseif ($n != $prev + 1) { $result[] = $start == $prev ? $prev : "$start-$prev"; $start = $n; } $prev = $n; } $result[] = $start == $prev ? $prev : $start . '-' . $prev; echo implode(', ', $result);
Output for 5.6.38, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
1-7, 11, 21-24
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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182.14 ms | 407 KiB | 5 Q