LocalImage.php

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<?php

namespace Elgg\Database\Seeds\Providers;

use Faker\Provider\Image;

class LocalImage extends Image {
    
    public static function image($dir = null, $width = 640, $height = 480, $category = null, $fullPath = true, $randomize = true, $word = null, $gray = false) {
        $local_folder = elgg_get_config('seeder_local_image_folder');
        if (empty($local_folder) || !is_dir($local_folder)) {
            return parent::image($dir, $width, $height, $category, $fullPath, $randomize, $word);
        }
        
        $files = [];
        
        // read files in folder
        $dir = new \DirectoryIterator($local_folder);
        /* @var $file \SplFileInfo */
        foreach ($dir as $file) {
            if (!$file->isFile()) {
                continue;
            }
            
            $files[] = $file->getRealPath();
        }
        
        if (empty($files)) {
            return parent::image($dir, $width, $height, $category, $fullPath, $randomize, $word);
        }
        
        // return random file
        $key = array_rand($files);
        
        return $files[$key];
    }
}