htacess image not found resolver for modern frameworks

.htaccess :

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule \.(gif|jpe?g|png|bmp) /image404.php [L]
</IfModule>


image404.php :

<?php
header("HTTP/1.0 404 Not Found");
exit;