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<?php $data = [ 1 => [ ['id' => 491, 'default' => false], ['id' => 492, 'default' => false], ['id' => 493, 'default' => true], ], 2 => [ ['id' => 491, 'default' => false], ['id' => 492, 'default' => true], ['id' => 493, 'default' => false], ['id' => 494, 'default' => false], ], ]; $id = 'id'; $result = array_column($data[1], null, $id) + array_column($data[2], null, $id) ; print_r($result); print_r(array_values($result));
Output for 5.5.0 - 5.5.38, 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 - 8.3.4, 8.3.6
Array ( [491] => Array ( [id] => 491 [default] => ) [492] => Array ( [id] => 492 [default] => ) [493] => Array ( [id] => 493 [default] => 1 ) [494] => Array ( [id] => 494 [default] => ) ) Array ( [0] => Array ( [id] => 491 [default] => ) [1] => Array ( [id] => 492 [default] => ) [2] => Array ( [id] => 493 [default] => 1 ) [3] => Array ( [id] => 494 [default] => ) )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [491] => Array ( [id] => 491 [default] => ) [492] => Array ( [id] => 492 [default] => ) [493] => Array ( [id] => 493 [default] => 1 ) [494] => Array ( [id] => 494 [default] => ) ) Array ( [0] => Array ( [id] => 491 [default] => ) [1] => Array ( [id] => 492 [default] => ) [2] => Array ( [id] => 493 [default] => 1 ) [3] => Array ( [id] => 494 [default] => ) )
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/2Lk8R on line 20
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/2Lk8R 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/2Lk8R on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/2Lk8R on line 3
Process exited with code 255.

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