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run code in 200+ php & hhvm versions
<?php $arr1 = [ [ "id"=>"3", "weight"=>"20", "percentage"=>"80", ], [ "id"=>"1", "weight"=>"50", "percentage"=>"80", ], [ "id"=>"2", "weight"=>"40", "percentage"=>"80", ] ]; $arr2 = [ [ "id"=>"1", "stock"=>"9539.00" ], [ "id"=>"2", "stock"=>"9468.00" ], [ "id"=>"3", "stock"=>"9295.00" ] ]; $keys = array_flip(array_column($arr2, 'id')); $newArr = array_map(function($item) use($keys, $arr2){ $item['stock'] = $arr2[$keys[$item['id']]]['stock']; return $item; }, $arr1); var_dump($newArr);
Output for 5.5.0 - 5.6.38, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.3.1
array(3) { [0]=> array(4) { ["id"]=> string(1) "3" ["weight"]=> string(2) "20" ["percentage"]=> string(2) "80" ["stock"]=> string(7) "9295.00" } [1]=> array(4) { ["id"]=> string(1) "1" ["weight"]=> string(2) "50" ["percentage"]=> string(2) "80" ["stock"]=> string(7) "9539.00" } [2]=> array(4) { ["id"]=> string(1) "2" ["weight"]=> string(2) "40" ["percentage"]=> string(2) "80" ["stock"]=> string(7) "9468.00" } }
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/EfdTM on line 34
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/EfdTM on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/EfdTM on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/EfdTM on line 2
Process exited with code 255.