Extract Phar dependency source code

extract.php

<?php

$vendorDir = __DIR__ . '/vendor';
$pharPath = "{$vendorDir}/phpstan/phpstan/phpstan.phar";
$extractPath = "{$vendorDir}/phpstan/phpstan-src";

if (is_file($pharPath)) {
    require "{$vendorDir}/autoload.php";

    if (is_dir($extractPath)) {
        rmdir_recursive($extractPath);
    }

    $phar = new Phar($pharPath);
    $phar->extractTo($extractPath);
} else {
    echo $pharPath . ' is not a file';
}

function rmdir_recursive(string $dir): void
{
    $cmd = PHP_OS_FAMILY === 'Windows' ? 'rmdir /s /q' : 'rm -rf';
    exec($cmd . ' ' . escapeshellarg($dir), $execOutput, $execRetval);

    if ($execRetval !== 0) {
        throw new Exception("Failed to remove directory: " . var_export($execOutput, true));
    }
}