<?php
namespace WPIDE\App\Helpers;
use Exception;
use PhpParser\ParserFactory;
class PhpValidator
{
/**
* @throws Exception
*/
public static function validate($content)
{
self::parse($content);
//self::validateConstants($content);
}
public static function parse($content) {
$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
$parser->parse($content);
}
/**
* @throws Exception
*/
protected static function validateConstants($content)
{
$pattern = '/define\((.+?),.+?\)/';
if (preg_match_all($pattern, $content, $matches)) {
$matches = array_map(function ($match) {
return trim(str_replace(['"', "'"], "", $match));
}, $matches[1]);
$duplicates = array();
foreach (array_count_values($matches) as $val => $c) {
if ($c > 1) {
$duplicates[] = $val;
}
}
if (!empty($duplicates)) {
$constant = array_shift($duplicates);
throw new Exception('Constant ' . $constant . ' already defined!');
}
}
}
}