PHP When rewrite pages urls how to remove or redirect category.php?cat_id=2 urls to rewrited urls?

Question

I am using this URL rewriting with PHP The Folder structure for rewriting the URLs. I am done it is working fine but after rewrite the URLs then ok now i have two URLs one is si

Answer 1

Here is how the referred code example supposed to work:

product-category.php

 "/product-category\\.php\\?cat_id=(?'category'\\d+)"
);

$uri = $_SERVER['REQUEST_URI'];
$uri = urldecode( $uri );

foreach ( $rules as $action => $rule ) {
    if ( preg_match( '#'.$rule.'#', $uri, $params ) ) {
        include( INCLUDE_DIR . $action . '.php' );
        exit();
    }
}

redirect-category.php

 'men-items'
);
header("Location: " . preg_replace( '#'.$rule.'#', "/product_category/{$categories[$params['category']]}/", $uri ));