Online PHP editor | output for dQkaE

@ 2016-10-27T12:54:24Z

<?php

$subregion = [
    [
        "subregion_id"   => "8",
        "subregion_name" => "NORTH_AMERICA",
        "subregion_abbr" => "US"
    ],
    [
        "subregion_id"   => "9",
        "subregion_name" => "NORTH_AMERICA",
        "subregion_abbr" => "CA"
    ],
    [
        "subregion_id"   => "6",
        "subregion_name" => "WE",
        "subregion_abbr" => "South"
    ],
    [
        "subregion_id"   => "0",
        "subregion_name" => null,
        "subregion_abbr" => null
    ],
    [
        "subregion_id"   => "5",
        "subregion_name" => "WE",
        "subregion_abbr" => "North"
    ],
    [
        "subregion_id"   => "0",
        "subregion_name" => null,
        "subregion_abbr" => null
    ]
];

$unique = array_map("unserialize", array_unique(array_map("serialize", $subregion)));
$unique = array_map(function($v) { return array_filter($v, 'is_not_null'); }, $unique);

print_r($unique);

function is_not_null($var)
{
    return null !== $var;
}

Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13: Array ( [0] => Array ( [subregion_id] => 8 [subregion_name] => NORTH_AMERICA [subregion_abbr] => US ) [1] => Array ( [subregion_id] => 9 [subregion_name] => NORTH_AMERICA [subregion_abbr] => CA ) [2] => Array ( [subregion_id] => 6 [subregion_name] => WE [subregion_abbr] => South ) [3] => Array ( [subregion_id] => 0 ) [4] => Array ( [subregion_id] => 5 [subregion_name] => WE [subregion_abbr] => North ) )
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/dQkaE 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/dQkaE on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/dQkaE on line 3
Process exited with code 255.

preferences:dark modelive previewkey bindings