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run code in 300+ PHP versions simultaneously

@ 2016-07-14T06:26:51Z

<?php

$myArr = array
    (
        array
            (
                "User" => array
                    (
                        "id" => 2,
                        "feature" => "AddUser",
                        "feature_level" => 1,
                        "parent_feature" => 1
                    )

            ),

        array
            (
                "User" => array
                    (
                        "id" => 3,
                        "feature" => "EditUser",
                        "feature_level" => 1,
                        "parent_feature" => 1
                    )

            ),

        array
            (
                "Candidate" => array
                    (
                        "id" => 5,
                        "feature" => "AddCandidate",
                        "feature_level" => 1,
                        "parent_feature" => 4
                    )

            ),

        array
            (
                "Candidate" => array
                    (
                        "id" => 6,
                        "feature" => "EditCandidate",
                        "feature_level" => 1,
                        "parent_feature" => 4
                    )

            )

    );
    
    $result_arr = [];
    
    array_walk($myArr,function($v,$k) use (&$result_arr){
       $result_arr[key($v)][] = $v[key($v)]; 
    });
    
    print_r($result_arr);

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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14, 8.5.0: Array ( [User] => Array ( [0] => Array ( [id] => 2 [feature] => AddUser [feature_level] => 1 [parent_feature] => 1 ) [1] => Array ( [id] => 3 [feature] => EditUser [feature_level] => 1 [parent_feature] => 1 ) ) [Candidate] => Array ( [0] => Array ( [id] => 5 [feature] => AddCandidate [feature_level] => 1 [parent_feature] => 4 ) [1] => Array ( [id] => 6 [feature] => EditCandidate [feature_level] => 1 [parent_feature] => 4 ) ) )
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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