installer.sh

function message {
	echo "[*] $1"
}

message "PocketMine-MP sta per essere installato nella cartella corrente (`pwd`)"
read -p "Premi invio per iniziare l'installazione...
"
message "Download dei binari PHP..."
wget https://jenkins.pmmp.io/job/PHP-8.0-Linux-x86_64/lastSuccessfulBuild/artifact/PHP_Linux-x86_64.tar.gz
tar xzf PHP_Linux-x86_64.tar.gz
rm PHP_Linux-x86_64.tar.gz
message "Download dello start.sh"
wget https://raw.githubusercontent.com/pmmp/PocketMine-MP/master/start.sh
chmod u+x start.sh
cat << \EOF > installer.php
<?php
system("rm installer.php");
for ($page = 1; ; $page++) { 
	$curl = curl_init("https://api.github.com/repos/pmmp/PocketMine-MP/releases?per_page=5000&page=$page");
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($curl, CURLOPT_USERAGENT, "PocketMine-MP installer by TheNewHEROBRINEX");
	$result = curl_exec($curl);
	if ($result === false) {
		error("Impossibile eseguire curl.");
	}

	$json_releases = json_decode($result, true);
	if ($json_releases === null) {
		error("Impossibile gestire la risposta di github.");
	}

	if ($json_releases === []) {
		break;
	}

	$releases = array_merge($releases ?? [], parse_json_releases($json_releases));
}
foreach ($releases as $id => $release) {
	writeLine(str_pad("($id) ", 7) . $release["desc"]);
}
writeLine();
$id = getInput("Quale release vuoi installare? [0]", "0", "0-" . (count($releases) - 1));
if (!ctype_digit($id) or !isset($releases[(int)$id])) {
	error("La release $id non esiste. L'ultima è stata selezionata automaticamente.", false);
	$id = 0;
}

system("wget " . $releases[(int)$id]["download"] . " -O PocketMine-MP.phar");
message("Installazione completata. Per startare il server fai ./start.sh");

function parse_json_releases(array $json_releases): array {
	foreach ($json_releases as $json_release) {
		$release = [];
		$release["desc"] = $json_release["name"] . " – " . trim(explode("\n", $json_release["body"])[0], "*\r\n");
		if (count($json_release["assets"]) === 0) {
			continue;
		}
		foreach ($json_release["assets"] as $asset) {
			if (preg_match("/\bPocketMine-MP.*\.phar\b/", $asset["name"])) {
				$release["download"] = $asset["browser_download_url"];
				$releases[] = $release;
				break;
			}
		}
	}
	return $releases;
}

//adapted from https://github.com/pmmp/PocketMine-MP/blob/master/src/pocketmine/wizard/SetupWizard.php

function writeLine(string $line = ""): void{
	echo $line . PHP_EOL;
}

function _readLine(): string{
	return trim((string) fgets(STDIN));
}

function message(string $message): void{
	writeLine("[*] " . $message);
}

function error(string $message, bool $fatal = true): void {
	writeLine("[!] " . $message);
	if($fatal){
		exit(1);
	}
}

function getInput(string $message, string $default = "", string $options = ""): string{
	$message = "[?] " . $message;
	if($options !== "" or $default !== ""){
		$message .= " (" . ($options === "" ? $default : $options) . ")";
	}
	$message .= ": ";
	echo $message;
	$input = _readLine();
	return $input === "" ? $default : $input;
}
EOF
./bin/php7/bin/php installer.php