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<?php $array = [ [1, 2, 3], [1, 3], [1, 2, 4, 3], [1, 3, 4] ]; $result = []; foreach ($array as $row) { $cache = [count($row), $row]; array_splice($row, 1, -1); $key = implode('-', $row); if (!isset($result[$key]) || $cache[0] < $result[$key][0]) { $result[$key] = $cache; } } var_export(array_column($result, 1));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.27, 8.3.29, 8.4.1 - 8.4.17, 8.5.0 - 8.5.2
array ( 0 => array ( 0 => 1, 1 => 3, ), 1 => array ( 0 => 1, 1 => 3, 2 => 4, ), )
Output for 8.3.28
/bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28)
Process exited with code 1.
preferences:
205.01 ms | 407 KiB | 5 Q