当前路径:vendor/league/mime-type-detection/src/ExtensionMimeTypeDetector.php <?php declare(strict_types=1); namespace League\MimeTypeDetection; use const PATHINFO_EXTENSION; class ExtensionMimeTypeDetector implements MimeTypeDetector { /** * @var ExtensionToMimeTypeMap */ private $extensions; public function __construct(ExtensionToMimeTypeMap $extensions = null) { $this->extensions = $extensions ?: new GeneratedExtensionToMimeTypeMap(); } public function detectMimeType(string $path, $contents): ?string { return $this->detectMimeTypeFromPath($path); } public function detectMimeTypeFromPath(string $path): ?string { $extension = strtolower(pathinfo($path, PATHINFO_EXTENSION)); return $this->extensions->lookupMimeType($extension); } public function detectMimeTypeFromFile(string $path): ?string { return $this->detectMimeTypeFromPath($path); } public function detectMimeTypeFromBuffer(string $contents): ?string { return null; } }
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