PHP changes the release time to Chinese prompts

<?php
header('content-type:text/html;charset=utf-8');
function transferTime($time){
    $rtime = date("m-d H:i", $time);
    $htime = date("H:i", $time);
    $time = time() - $time;
    if ($time < 60) {
        $str = 'just now';
    } elseif ($time < 60 * 60) {
        $min = floor($time / 60);
        $str = $min . 'minutes ago';
    } elseif ($time < 60 * 60 * 24) {
        $h = floor($time / (60 * 60));
        $str = $h . 'hour ago' . $htime;
    } elseif ($time < 60 * 60 * 24 * 3) {
        $d = floor($time / (60 * 60 * 24));
        if ($d == 1)
            $str = 'yesterday' . $rtime;
            else
                $str = 'the day before' . $rtime;
    } else {
        $ str = $ rtime;
    }
    return $str;
}
$date = "1506505033";
echo transferTime($date);

 

Effect picture: