stk2k/file

<?php
namespace Stk2k\File\Filter;

use Stk2k\File\FileFilterInterface;
use Stk2k\File\File;

class ExtensionFileFilter implements FileFilterInterface
{
    /** @var string  */
    private $extension;
    
    /**
     * Construct object
     *
     * @param string $extension
     */
    public function __construct(string $extension)
    {
        $this->extension  = $extension;
    }
    
    /**
     * Check if the filter select the specified file.
     *
     * @param File $file         Target fileto be tested.
     *
     * @return bool
     */
    public function accept( File $file ) : bool
    {
        return $file->isFile() && $file->getExtension() === $this->extension;
    }
}