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<?php $intervals = [ [1, 2], [2, 2], [5, 6], [8, 10], ]; $rr = []; foreach($intervals as $v){ $rr[] = range($v[0],$v[1]); } $n = 10; $range = range(1,$n); $diff = array_diff($range,array_values(array_unique(array_merge(...$rr)))); $r = groupConsecutive($diff); echo '<pre>'; print_r($r); function groupConsecutive($array) { $ret = array(); $temp = array(); foreach($array as $val) { if(next($array) == ($val + 1)) $temp[] = $val; else if(count($temp) > 0) { $temp[] = $val; $ret[] = $temp; $temp = array(); } else $ret[] = $val; } return $ret; }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.3.7
<pre>Array ( [0] => Array ( [0] => 3 [1] => 4 ) [1] => 7 )
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.' in /in/7G4UF on line 16
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '.', expecting ')' in /in/7G4UF on line 16
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 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/7G4UF on line 3
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/7G4UF on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7G4UF on line 3
Process exited with code 255.
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272.15 ms | 401 KiB | 465 Q