PHP Decode

<?php 
error_reporting(0); 
$dirSystems  = 'kaybotFiles'; 
$DateTime = date('Y-m-d H:i:s'); 
header('Content-type: application/json'); 
date_default_timezone_set('Asia/Jakarta'); 
$fileVersion = 'kaybotFiles/kaybot.version'; 
$PediainGuard = base64_encode("PediainGuard:!>PediainGuard<!"); 
 
function clearTerminal(){ 
    if (PHP_SAPI === 'cli') { 
        system('clear'); 
    } else { 
        system('cls'); 
    } 
} 
function getPediain($versionUrl, $PediainGuard) { 
    $ch = curl_init(); 
    curl_setopt($ch, CURLOPT_URL, $versionUrl); 
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
    curl_setopt($ch, CURLOPT_HTTPHEADER, [ 
        'Authorization: Basic ' . $PediainGuard, 
        'Content-Type: application/json' 
    ]); 
    $response = curl_exec($ch); 
    curl_close($ch); 
 
    return $response; 
} ?>