PHP AWS Elastic IP Allocator

eip-allocator.php

<?php
require 'vendor/autoload.php';

use Aws\Ec2\Ec2Client;

$ec2Client = new Ec2Client([
    'region' => 'ap-northeast-2',
    'version' => 'latest',
    'profile' => 'default',
]);

while(true) {
    $allocate = $ec2Client->allocateAddress();

    echo "A new address has been created: ".$allocate['PublicIp'].PHP_EOL;
    $result = readline("Save address? [Y/n/q/nq]: ");

    if(strtolower($result) == "n" || strtolower($result) == "nq") {
        $ec2Client->releaseAddress([
            'AllocationId' => $allocate['AllocationId'],
        ]);

        echo "Address removed".PHP_EOL;

        if(strtolower($result) == "nq") {
            break;
        }
    } elseif(strtolower($result) == "q") {
        break;
    } else {
        echo "Address saved: ".$allocate['PublicIp'].PHP_EOL;
    }

    echo PHP_EOL;
}