<?php
/**
* Rewrite rules
*/
class rewriteRules {
/**
* Construct
*/
public function __construct() {
add_action( 'init', array( $this, 'rewrite_rule' ) );
add_filter( 'query_vars', array( $this, 'query_vars' ) );
}
/**
* Rewrite rule
*/
public function rewrite_rule() {
add_rewrite_rule( '^some-page/([a-zA-Z0-9-]+)/?', 'index.php?pagename=some-page&product_id=$matches[1]', 'top' );
}
/**
* Query vars
*/
public function query_vars( $query_vars ) {
$query_vars[] = 'product_id';
return $query_vars;
}
}
Usage
$product_id = get_query_var( 'product_id' );