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<?php $array = [ [ [ "name" => "test", "id" => 4 ], [ "name" => "test2", "id" => 152 ], [ "name" => "test2", "id" => 152 ] ], [ [ "name" => "test", "id" => 4 ], [ "name" => "test2", "id" => 152 ], [ "name" => "test2", "id" => 152 ] ] ]; var_dump($array, call_user_func_array('array_merge', $array));
Output for 5.4.0 - 5.4.45, 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 - 7.2.33, 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(2) { [0]=> array(3) { [0]=> array(2) { ["name"]=> string(4) "test" ["id"]=> int(4) } [1]=> array(2) { ["name"]=> string(5) "test2" ["id"]=> int(152) } [2]=> array(2) { ["name"]=> string(5) "test2" ["id"]=> int(152) } } [1]=> array(3) { [0]=> array(2) { ["name"]=> string(4) "test" ["id"]=> int(4) } [1]=> array(2) { ["name"]=> string(5) "test2" ["id"]=> int(152) } [2]=> array(2) { ["name"]=> string(5) "test2" ["id"]=> int(152) } } } array(6) { [0]=> array(2) { ["name"]=> string(4) "test" ["id"]=> int(4) } [1]=> array(2) { ["name"]=> string(5) "test2" ["id"]=> int(152) } [2]=> array(2) { ["name"]=> string(5) "test2" ["id"]=> int(152) } [3]=> array(2) { ["name"]=> string(4) "test" ["id"]=> int(4) } [4]=> array(2) { ["name"]=> string(5) "test2" ["id"]=> int(152) } [5]=> array(2) { ["name"]=> string(5) "test2" ["id"]=> int(152) } }
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/Yean0 on line 4
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/Yean0 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Yean0 on line 4
Process exited with code 255.

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