Check licenses violations

licenses-violations.php

<?php

// Usage
// composer licenses --format=json > licenses.json
// php analyze.php --file=licenses.json

$options = getopt('', array('file'));

$file = $options['file'];
$json = json_decode(file_get_contents($file));
$dependencies = $json->dependencies;


$errors = array();
foreach($dependencies as $name => $info ) {
    $licenses = $info->license;
    if(empty($licenses)) {
        $errors[$name] = sprintf('no license found for %s', $name);
    }
}

if(!empty($errors)) {
    // root
    $xml = new \DOMDocument("1.0", "UTF-8");
    $xml->formatOutput = true;
    $root = $xml->createElement("pmd");
    $root->setAttribute('version', '@package_version@');
    $root->setAttribute('timestamp', date('c'));

    // violations
    foreach($errors as $name=> $msg) {
        $file = $xml->createElement('file');
        $file->setAttribute('name', './composer.json');
        $violation = $xml->createElement('violation');
        $violation->setAttribute('beginline' , 1);
        $violation->setAttribute('endline' , 2);
        $violation->setAttribute('rule' , 'license');
        $violation->setAttribute('ruleset' , 'dependencies should have license');
        $violation->setAttribute('priority' , 3);
        $violation->nodeValue = str_replace('/', '-', $msg);
        $file->appendChild($violation);
        $root->appendChild($file);
    }

    $xml->appendChild($root);
    echo $xml->saveXML();

}