Edit values if needed and appended into wp-config.php file
ini_set('post_max_size', 100000);
ini_set('upload_max_filesize', 100000);
ini_set('max_input_time', 100000);
ini_set('memory_limit','1024M'); // the same as define('WP_MEMORY_LIMIT', '1024M');
set_time_limit(300);
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);