update Cloudflare with PHP file wrapper

cloudflare_update.php

<?php 
$postdata = array(
    'type'     => 'A',
    'name'     => 'a.xxx.tw', //你的domain name
    'content'     => '123.123.123.123' // 你要更新的對應ip地址
);
$opts = array('http' =>
    array(
	'method'  => 'PUT',
        'header'  => "X-Auth-Email: 你的信箱@gmail.com\r\n" .
                     "X-Auth-Key: xxxxxxxxxxxxxxxxxxxxx__你的AuthKey__xx\r\n" .
                     "Content-type: application/json\r\n",
        'content' => json_encode($postdata)
    )
);
$context  = stream_context_create($opts);
$result = file_get_contents('https://api.cloudflare.com/client/v4/zones/__你的zone_identifier__xxxxxxxxxxxx/dns_records/__你的RECORDID__xxxxxxxxxxxxxxxxxx', false, $context);

?>