| 1: | <?php |
| 2: | |
| 3: | namespace IPay\Captcha; |
| 4: | |
| 5: | use Symfony\Component\DomCrawler\Crawler; |
| 6: | |
| 7: | final class CaptchaSolver |
| 8: | { |
| 9: | private const LENGTH_TO_NUMBER_MAPPING = [ |
| 10: | 66 => 0, |
| 11: | 49 => 1, |
| 12: | 53 => 2, |
| 13: | 70 => 3, |
| 14: | 76 => 4, |
| 15: | 58 => 5, |
| 16: | 64 => 6, |
| 17: | 50 => 7, |
| 18: | 75 => 8, |
| 19: | 69 => 9, |
| 20: | ]; |
| 21: | |
| 22: | public static function solve(string $svg): string |
| 23: | { |
| 24: | |
| 25: | $pathCommands = (new Crawler($svg)) |
| 26: | ->filterXPath('//path[@fill!="none"]') |
| 27: | ->each(function (Crawler $node): string { |
| 28: | return (string) $node->attr('d'); |
| 29: | }); |
| 30: | |
| 31: | sort($pathCommands, SORT_NATURAL); |
| 32: | |
| 33: | $result = ''; |
| 34: | foreach ($pathCommands as $pathCommand) { |
| 35: | |
| 36: | |
| 37: | |
| 38: | |
| 39: | |
| 40: | |
| 41: | |
| 42: | $paths = preg_replace('/[^MLHVCSQTAZmlhvcsqtaz]/', '', $pathCommand); |
| 43: | $result .= static::LENGTH_TO_NUMBER_MAPPING[strlen($paths)]; |
| 44: | } |
| 45: | |
| 46: | return $result; |
| 47: | } |
| 48: | } |
| 49: | |