관리-도구
편집 파일: NetscapeApplicationExtension.php
<?php declare(strict_types=1); namespace Intervention\Gif\Blocks; class NetscapeApplicationExtension extends ApplicationExtension { public const IDENTIFIER = "NETSCAPE"; public const AUTH_CODE = "2.0"; public const SUB_BLOCK_PREFIX = "\x01"; public function __construct() { $this->setApplication(self::IDENTIFIER . self::AUTH_CODE); $this->setBlocks([new DataSubBlock(self::SUB_BLOCK_PREFIX . "\x00\x00")]); } public function getLoops(): int { return unpack('v*', substr($this->getBlocks()[0]->getValue(), 1))[1]; } public function setLoops(int $loops): self { $this->setBlocks([ new DataSubBlock(self::SUB_BLOCK_PREFIX . pack('v*', $loops)) ]); return $this; } }