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<?php $source = [ array_combine(range(1,10), range(1,10)), array_combine(range(11,20), range(11,20)), array_combine(range(21,30), range(21,30)) ]; $return = []; foreach($source as $data) { $return = array_merge($return, $data); } $filter = function ($value, $key) { return ($value < 25); }; $return = array_filter($return, $filter, ARRAY_FILTER_USE_BOTH); var_dump($return);
Output for 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 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(24) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) [6]=> int(7) [7]=> int(8) [8]=> int(9) [9]=> int(10) [10]=> int(11) [11]=> int(12) [12]=> int(13) [13]=> int(14) [14]=> int(15) [15]=> int(16) [16]=> int(17) [17]=> int(18) [18]=> int(19) [19]=> int(20) [20]=> int(21) [21]=> int(22) [22]=> int(23) [23]=> int(24) }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Notice: Use of undefined constant ARRAY_FILTER_USE_BOTH - assumed 'ARRAY_FILTER_USE_BOTH' in /in/IgFMO on line 19 Warning: array_filter() expects at most 2 parameters, 3 given in /in/IgFMO on line 19 NULL
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/IgFMO 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/IgFMO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/IgFMO on line 3
Process exited with code 255.

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