/*
 * JSON FILE
 */
{
    "users": [
        {
            "steamid": "[X:X:XXXXXXXXX]",
            "teamspeakid": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
            "nicknames": [
                "XXXXXXXXX"
            ],
            "addresses": [
                "XX.XX.XXX.XX"
            ]
        }
        {
            "steamid": "[Y:Y:YYYYYYYYY]",
            "teamspeakid": "YYYYYYYYYYYYYYYYYYYYYYYYYYYYYY",
            "nicknames": [
                "YYYYYYYYY"
            ],
            "addresses": [
                "YY.YY.YYY.YY"
            ]
        }
        {
            "steamid": "[Z:Z:ZZZZZZZZZ]",
            "teamspeakid": "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ",
            "nicknames": [
                "ZZZZZZZZZ"
            ],
            "addresses": [
                "ZZ.ZZ.ZZZ.ZZ"
            ]
        }

    ]
}
/*
 * JSON FILE TO PHP VARIABLES
 */
<?php
$str = file_get_contents('XXX');/*Here we get json data and we convert it to a variable*/
$json = json_decode($str);
foreach($json->users as $item)
{
    $addresses = substr(str_replace('"', '', json_encode($item->addresses)), 1, -1);
    $json_teamspeakid = str_replace('"', '', json_encode($item->teamspeakid));
    $json_steamid = str_replace('"', '', json_encode($item->steamid));/*$json_steamid is the output variable*/
    $json_nicknames = substr(str_replace('"', '', json_encode($item->nicknames)), 1, -1);/*$json_nicknames is the output variable*/
}
?>