<?php
$muLevelIds = [1,6,7,8,9];
$subjectLevelIds = [1,6,7,8];
$occLevelIds = [];
var_dump(array_union($muLevelIds, $subjectLevelIds, $occLevelIds));
function array_union($muLevelIds, $subjectLevelIds, $occLevelIds) {
$allLevelIds = [1,6,7,8,9];
if (!empty($muLevelIds) && !empty($subjectLevelIds) && !empty($occLevelIds)) {
$combined = array_intersect($allLevelIds, $muLevelIds, $subjectLevelIds, $occLevelIds);
} elseif (empty($muLevelIds) && !empty($subjectLevelIds) && !empty($occLevelIds)) {
$combined = array_intersect($allLevelIds, $subjectLevelIds, $occLevelIds);
} elseif (!empty($muLevelIds) && empty($subjectLevelIds) && !empty($occLevelIds)) {
$combined = array_intersect($allLevelIds, $muLevelIds, $occLevelIds);
} elseif (!empty($muLevelIds) && !empty($subjectLevelIds) && empty($occLevelIds)) {
$combined = array_intersect($allLevelIds, $muLevelIds, $subjectLevelIds);
} elseif (!empty($muLevelIds) && empty($subjectLevelIds) && empty($occLevelIds)) {
$combined = array_intersect($allLevelIds, $muLevelIds);
} elseif (empty($muLevelIds) && !empty($subjectLevelIds) && empty($occLevelIds)) {
$combined = array_intersect($allLevelIds, $subjectLevelIds);
} elseif (empty($muLevelIds) && empty($subjectLevelIds) && !empty($occLevelIds)) {
$combined = array_intersect($allLevelIds, $occLevelIds);
} elseif (empty($muLevelIds) && empty($subjectLevelIds) && empty($occLevelIds)) {
$combined = [];
}
return $combined;
}
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- array(4) {
[0]=>
int(1)
[1]=>
int(6)
[2]=>
int(7)
[3]=>
int(8)
}
- 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/JrtDE on line 5
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/JrtDE on line 5
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/JrtDE on line 5
Process exited with code 255.
preferences:
256.44 ms | 401 KiB | 310 Q