public static function file_get_contents( $file, ...$args ) {
		if ( ! is_file( $file ) || ! is_readable( $file ) ) {
			return false;
		}

		return file_get_contents( $file, ...$args );
	}

	public static function get_super_global_value( $super_global, $key ) {
		if ( ! isset( $super_global[ $key ] ) ) {
			return null;
		}

		if ( $_FILES === $super_global ) {
			return isset( $super_global[ $key ]['name'] ) ?
				self::sanitize_file_name( $super_global[ $key ] ) :
				self::sanitize_multi_upload( $super_global[ $key ] );
		}

		return wp_kses_post_deep( wp_unslash( $super_global[ $key ] ) );
	}

	private static function sanitize_multi_upload( $fields ) {
		return array_map( function( $field ) {
			return array_map( 'self::sanitize_file_name', $field );
		}, $fields );
	}

	private static function sanitize_file_name( $file ) {
		$file['name'] = sanitize_file_name( $file['name'] );

		return $file;
	}

	/**
	 * Return specific object property value if exist from array of keys.
	 *
	 * @param $array
	 * @param $keys
	 * @return key|false
	 */
	public static function get_array_value_by_keys( $array, $keys ) {
		$keys = (array) $keys;
		foreach ( $keys as $key ) {
			if ( ! isset( $array[ $key ] ) ) {
				return null;
			}
			$array = $array[ $key ];
		}
		return $array;
	}

	public static function get_cached_callback( $callback, $cache_key, $cache_time = 24 * HOUR_IN_SECONDS ) {
		$cache = get_site_transient( $cache_key );

		if ( ! $cache ) {
			$cache = call_user_func( $callback );

			if ( ! is_wp_error( $cache ) ) {
				set_site_transient( $cache_key, $cache, $cache_time );
			}
		}

		return $cache;
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'Elementor\Utils' not found in /home/sportuga/public_html/wp-content/plugins/elementor/core/experiments/manager.php:1028
Stack trace:
#0 /home/sportuga/public_html/wp-content/plugins/elementor/includes/plugin.php(706): Elementor\Core\Experiments\Manager-&gt;__construct()
#1 /home/sportuga/public_html/wp-content/plugins/elementor/includes/plugin.php(647): Elementor\Plugin-&gt;init_components()
#2 /home/sportuga/public_html/wp-includes/class-wp-hook.php(324): Elementor\Plugin-&gt;init('')
#3 /home/sportuga/public_html/wp-includes/class-wp-hook.php(348): WP_Hook-&gt;apply_filters(NULL, Array)
#4 /home/sportuga/public_html/wp-includes/plugin.php(517): WP_Hook-&gt;do_action(Array)
#5 /home/sportuga/public_html/wp-settings.php(695): do_action('init')
#6 /home/sportuga/public_html/wp-config.php(102): require_once('/home/sportuga/...')
#7 /home/sportuga/public_html/wp-load.php(50): require_once('/home/sportuga/...')
#8 /home/sportuga/public_html/wp-blog-header.php(13): require_once('/home/sportuga/...')
#9 /ho in <b>/home/sportuga/public_html/wp-content/plugins/elementor/core/experiments/manager.php</b> on line <b>1028</b><br />