qyadmin/config/dompdf.php

<?php

return array(
    'show_warnings' => false,
    'public_path' => null,
    'convert_entities' => true,
    'options' => array(
        "font_dir" => storage_path('fonts'), // advised by dompdf (https://github.com/dompdf/dompdf/pull/782)
        "font_cache" => storage_path('fonts'),
        "temp_dir" => sys_get_temp_dir(),
        "chroot" => realpath(base_path()),
        'allowed_protocols' => [
            "file://" => ["rules" => []],
            "http://" => ["rules" => []],
            "https://" => ["rules" => []]
        ],
        'log_output_file' => storage_path('logs/logs.log'),
        "enable_font_subsetting" => false,
        //"DOMPDF_PDFLIB_LICENSE" => "your license key here",
        "default_media_type" => "all",
        "default_paper_size" => "a3",
        'default_paper_orientation' => "portrait",
        "default_font" => "",
        "dpi" => 96,
        "enable_php" => false,
        "enable_javascript" => true,
        "enable_remote" => true,
        "enable_html5_parser" => true,
        "default_font_size" => 12,
        "font_height_ratio" => 1.1,
        "font_weight_ratio" => 0.9,
    ),
);