Rewrite Page Parameters

Question

i have a page call "city"

http://localhost/wordpress/city/

and it get details from mysql by url id like

http://localhost/wordpress/city/?id=paris

and i want to change it like

http://localhost/wordpress/city/paris

and the real link of city page in wordpress is

http://localhost/wordpress/index.php?p=5

I am trying do add RewriteRule in htaccess and it doesn't work
also i try add_rewrite_rule and it doesn't work

add_action( 'init', 'add_mypage_rule' );

function add_mypage_rule(){
add_rewrite_tag("%id%", '(d+)');
add_rewrite_rule('^city/([^/]*)/?','index.php?p=5&id=$matches[1]','top');
}

Milo · Answer

If city belongs to the page post type, then your rule should either be:

add_rewrite_rule(
    '^city/([^/]*)/?',
    'index.php?pagename=city&id=$matches[1]',
    'top'
);

or:

add_rewrite_rule(
    '^city/([^/]*)/?',
    'index.php?page_id=5&id=$matches[1]',
    'top'
);

Using p, the query will assume post type is post, not page.

Also, if your code uses $_GET['id'] to fetch the value, this will no longer work with a rewrite rule. You will need to use get_query_var('id') instead. If you don't have access to the code, you can set it in an action that fires before the code tries to get that value:

function wpd_set_id() {
    if( false !== get_query_var( 'id', false ) ){
        $_GET['id'] = get_query_var( 'id' );
    }
}
add_action( 'parse_query', 'wpd_set_id' );

I also suggest using a more unique query var than id!

Rewrite Page Parameters

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