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@ 2019-05-21T08:38:54Z

<?php
$arr = Array
(
    'Nishanth' => Array
        (

            '0' => Array
                (
                    'ID' => 3,
                    'username' => 'IronMan'
                ),

            '1' => Array
                (
                    'ID' => 5,
                    'username' => 'SpiderMan'
                ),

            '2' => Array
                (
                    'ID' => 8,
                    'username' => 'AntMan'
                ),

            '3' => Array
                (
                    'ID' => 10,
                    'username' => 'BatMan'
                ),

            '4' => Array
                (
                    'ID' => 11,
                    'username' => 'SuperMan'
                ),

        ),


    'IronMan' => Array
        (
            '0' => Array
                (
                    'ID' => 1,
                    'username' => 'Nishanth'
                ),

            '2' => Array
                (
                    'ID' => 5,
                    'username' => 'SpiderMan'
                ),

        ),

    'SpiderMan' => Array
        (
            '0' => Array
                (
                    'ID' => 1,
                    'username' => 'Nishanth'
                ),

            '1' => Array
                (
                    'ID' => 3,
                    'username' => 'IronMan'
                ),

            '2' => Array
                (
                    'ID' => 8,
                    'username' => 'AntMan'
                ),

            '3' => Array
                (
                    'ID' => 10,
                    'username' => 'BatMan'
                ),

            '4' => Array
                (
                    'ID' => 14,
                    'username' => 'Hulk'
                ),
        ),

    'AntMan' => Array
        (
            '0' => Array
                (
                    'ID' => 1,
                    'username' => 'Nishanth'
                ),

            '1' => Array
                (
                    'ID' => 10,
                    'username' => 'BatMan'
                ),
        ),

    'BatMan' => Array
        (
            '0' => Array
                (
                    'ID' => 1,
                    'username' => 'Nishanth'
                ),

            '1' => Array
                (
                    'ID' => 5,
                    'username' => 'SpiderMan',
                ),

            '2' => Array
                (
                    'ID' => 8,
                    'username' => 'AntMan'
                ),

            '3' => Array
                (
                    'ID' => 11,
                    'username' => 'SuperMan'
                ),
        ),

    'SuperMan' => Array
        (
            '0' => Array
                (
                    'ID' => 1,
                    'username' => 'Nishanth'
                ),

            '1' => Array
                (
                    'ID' => 10,
                    'username' => 'BatMan'
                ),
        ),

    'Hulk' => Array
        (
            '0' => Array
                (
                    'ID' => 5,
                    'username' => 'SpiderMan'
                )

        )
);
$res['MergedUser'] = [];
array_map(function($v) use (&$res){
   foreach($v as $value){
        if(!array_key_exists($value['ID'], $res['MergedUser']))
            $res['MergedUser'][$value['ID']] = $value;
   }
}, $arr);

print_r(array_values($res['MergedUser']));

Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13: Array ( [0] => Array ( [ID] => 3 [username] => IronMan ) [1] => Array ( [ID] => 5 [username] => SpiderMan ) [2] => Array ( [ID] => 8 [username] => AntMan ) [3] => Array ( [ID] => 10 [username] => BatMan ) [4] => Array ( [ID] => 11 [username] => SuperMan ) [5] => Array ( [ID] => 1 [username] => Nishanth ) [6] => Array ( [ID] => 14 [username] => Hulk ) )

preferences:dark modelive previewkey bindings

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