compile.php

<?php

$pharFile = __DIR__ . '/build/pblog.phar';
$copyFile = __DIR__ . '/build/install/other/pblog.phar';

// clean up
if (file_exists($pharFile)) 
{
    unlink($pharFile);
}

if (file_exists($copyFile)) 
{
    unlink($copyFile);
}

// create phar
$phar = new Phar($pharFile);

// start buffering. Mandatory to modify stub to add shebang
$phar->startBuffering();

// Create the default stub from main.php entrypoint
$defaultStub = $phar->createDefaultStub('main.php');

// Add the rest of the apps files
$phar->buildFromDirectory(__DIR__ . '');

// Customize the stub to add the shebang
$stub = "#!/usr/bin/php \n" . $defaultStub;

// Add the stub
$phar->setStub($stub);

$phar->stopBuffering();

// plus - compressing it into gzip  
$phar->compressFiles(Phar::GZ);

# Make the file executable
chmod($pharFile, 0770);

copy($pharFile, $copyFile);

echo "'$pharFile' successfully created" . PHP_EOL;