<?php

$servername = "xxxx";
$username = "xxxx";
$password = "xxxx";

try {
    $conn = new PDO("mysql:host=$servername;dbname=lyl2test", $username, $password);
    // set the PDO error mode to exception
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}
catch(PDOException $e)
{
    echo "Connection failed: " . $e->getMessage();
}

$sql = "SELECT civ_licenses from players WHERE uid = 230";

foreach ($conn->query($sql) as $parseString) {
    $parseString['civ_licenses'] = str_replace('"[', '[', $parseString['civ_licenses']);
    $parseString['civ_licenses'] = str_replace(']"', ']', $parseString['civ_licenses']);
    $parseString['civ_licenses'] = str_replace('`', '"', $parseString['civ_licenses']);
}

if(!$obj = json_decode($parseString['civ_licenses'])) {
    echo json_last_error_msg();
}

foreach($obj as $key => $value) {
    echo $value[0];
    if($value[1] === 1) {
        echo " vorhanden";
    } else {
        echo " nicht vorhanden";
    }
    echo "<br>";
}