Online PHP editor | output for LvV7H

@ 2014-12-09T17:31:38Z

<?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];
                
                $arrays = [$muLevelIds, $subjectLevelIds, $occLevelIds];
                $comp = [$allLevelIds];
                foreach ($arrays as $arr) {
                    if (count($arr)) {
                        $comp[] = $arr;
                    }
                }
                $combined = call_user_func_array('array_intersect', $comp);
                
                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 - 7.1.25, 7.2.0 - 7.2.33, 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 - 8.3.6: 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/LvV7H 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/LvV7H on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/LvV7H on line 5
Process exited with code 255.

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