[ 'name' => 'Porta Potty Rentals', 'template' => 'template-sub-porta-potty-rentals.html' ], ]; private static $template_cache = []; private static $instance = null; const MAX_URLS_PER_SITEMAP = 15000; public function __construct() { self::$instance = $this; add_action('init', [$this, 'load_cities'], 5); add_action('init', [$this, 'add_rewrite_rules'], 20); add_action('init', [$this, 'add_sitemap_rewrites']); add_filter('query_vars', [$this, 'add_query_vars']); add_action('template_redirect', [$this, 'handle_template_redirect']); } public static function get_instance() { return self::$instance; } public function load_cities() { $file_path = plugin_dir_path(__FILE__) . $this->cities_file; if (file_exists($file_path)) { $json = file_get_contents($file_path); $data = json_decode($json, true); if (is_array($data)) { foreach ($data as $city) { if (isset($city['slug'], $city['name'], $city['state'])) { $slug = strtolower($city['slug']); $this->cities[$slug] = [ 'name' => $city['name'], 'state' => strtoupper($city['state']), 'full' => $city['name'] . ', ' . strtoupper($city['state']) ]; } } } } } public function add_rewrite_rules() { // City home → dumpster-rentals-los-angeles/ add_rewrite_rule( '^dumpster-rentals-([^/]+)/?$', 'index.php?dumpster_city=$matches[1]', 'top' ); // Sub-service → porta-potty-rentals-los-angeles/ etc. $sub_slugs = array_keys($this->sub_services); $escaped = array_map('preg_quote', $sub_slugs); $pattern = '^(' . implode('|', $escaped) . ')-([^/]+)/?$'; add_rewrite_rule( $pattern, 'index.php?dumpster_sub_service=$matches[1]&dumpster_city=$matches[2]', 'top' ); } public function add_sitemap_rewrites() { add_rewrite_rule('^sitemap-dumpster-index\.xml$', 'index.php?dumpster_sitemap=index', 'top'); add_rewrite_rule('^sitemap-dumpster-([0-9]+)\.xml$', 'index.php?dumpster_sitemap=$matches[1]', 'top'); } public function add_query_vars($vars) { $vars[] = 'dumpster_city'; $vars[] = 'dumpster_sub_service'; $vars[] = 'dumpster_sitemap'; return $vars; } public function handle_template_redirect() { $sitemap = get_query_var('dumpster_sitemap'); if ($sitemap !== '') { if ($sitemap === 'index') { $this->render_sitemap_index(); } else { $page = intval($sitemap); if ($page > 0) $this->render_sitemap_page($page); } exit; } $city_slug = get_query_var('dumpster_city'); $sub_slug = get_query_var('dumpster_sub_service'); $city_slug = strtolower($city_slug); if ($city_slug && isset($this->cities[$city_slug])) { if ($sub_slug && array_key_exists($sub_slug, $this->sub_services)) { $this->render_sub_service_page($city_slug, $sub_slug); } elseif (!$sub_slug) { $this->render_city_home_page($city_slug); } else { $this->set_404(); } exit; } } private function set_404() { global $wp_query; $wp_query->set_404(); status_header(404); include get_404_template(); exit; } private function render_city_home_page($city_lower) { $city = $this->cities[$city_lower]; $city_full = $city['full']; $templates = ['template-city1.html', 'template-city2.html', 'template-city3.html', 'template-city4.html']; $chosen = $templates[array_rand($templates)]; $content = $this->load_template($chosen); $content = str_replace( ['Sidney, MT', 'Sidney', 'MT'], [esc_html($city_full), esc_html($city['name']), esc_html($city['state'])], $content ); $content = str_replace('Porta Potty Rentals', 'Dumpster Rentals', $content); $content .= $this->get_sub_services_list($city_lower); $content .= $this->get_random_cities_footer(); echo $content; } private function render_sub_service_page($city_lower, $sub_slug) { $city = $this->cities[$city_lower]; $city_full = $city['full']; $service = $this->sub_services[$sub_slug]; $content = $this->load_template($service['template']); $content = str_replace( ['Sidney, MT', 'Sidney', 'MT', '#ServiceName'], [esc_html($city_full), esc_html($city['name']), esc_html($city['state']), esc_html($service['name'])], $content ); $content .= $this->get_sub_services_list($city_lower); $content .= $this->get_random_cities_footer(); echo $content; } private function load_template($filename) { if (!isset(self::$template_cache[$filename])) { $file_path = plugin_dir_path(__FILE__) . $filename; if (!file_exists($file_path)) { wp_die("Template missing: $filename"); } self::$template_cache[$filename] = file_get_contents($file_path); } return self::$template_cache[$filename]; } private function get_sub_services_list($city_lower) { $list = '

Our Waste Management Services in ' . esc_html($this->cities[$city_lower]['full']) . '

'; foreach ($this->sub_services as $slug => $service) { $link = home_url("/{$slug}-{$city_lower}/"); $list .= '' . esc_html($service['name']) . ''; } $list .= '
'; return $list; } private function get_random_cities_footer() { $all_slugs = array_keys($this->cities); shuffle($all_slugs); $selected = array_slice($all_slugs, 0, 50); $footer = '

We Serve These Areas

'; foreach ($selected as $slug) { $name = $this->cities[$slug]['full']; $link = home_url("/dumpster-rentals-{$slug}/"); $footer .= 'Dumpster Rentals ' . esc_html($name) . ''; } $footer .= '
'; return $footer; } private function render_sitemap_index() { header('Content-Type: application/xml; charset=UTF-8'); echo ''; echo ''; $total_urls = count($this->cities) * (1 + count($this->sub_services)); $pages = ceil($total_urls / self::MAX_URLS_PER_SITEMAP); for ($i = 1; $i <= $pages; $i++) { echo '' . esc_url(home_url("/sitemap-dumpster-{$i}.xml")) . '' . current_time('c') . ''; } echo ''; exit; } private function render_sitemap_page($page) { header('Content-Type: application/xml; charset=UTF-8'); echo ''; echo ''; $cities = array_keys($this->cities); $sub_services = array_keys($this->sub_services); $start = ($page - 1) * self::MAX_URLS_PER_SITEMAP; $end = $start + self::MAX_URLS_PER_SITEMAP; $current = 0; // City pages first foreach ($cities as $city_slug) { if ($current >= $end) break; if ($current >= $start) { echo '' . esc_url(home_url("/dumpster-rentals-{$city_slug}/")) . '' . current_time('c') . 'weekly0.8'; } $current++; } // Sub-service pages foreach ($cities as $city_slug) { foreach ($sub_services as $sub_slug) { if ($current >= $end) break 2; if ($current >= $start) { echo '' . esc_url(home_url("/{$sub_slug}-{$city_slug}/")) . '' . current_time('c') . 'weekly0.6'; } $current++; } } echo ''; exit; } public function get_random_links($count = 300) { $count = min(intval($count), 1000); $slugs = array_keys($this->cities); $sub_slugs = array_keys($this->sub_services); if (empty($slugs)) return ''; $output = '
'; $used = []; for ($i = 0; $i < $count; $i++) { if (mt_rand(0, 3) === 0) { // ~25% main page $city_slug = $slugs[array_rand($slugs)]; $url = home_url("/dumpster-rentals-{$city_slug}/"); $text = "Dumpster Rentals " . $this->cities[$city_slug]['full']; } else { $city_slug = $slugs[array_rand($slugs)]; $sub_slug = $sub_slugs[array_rand($sub_slugs)]; $url = home_url("/{$sub_slug}-{$city_slug}/"); $text = $this->sub_services[$sub_slug]['name'] . " " . $this->cities[$city_slug]['full']; } if (in_array($url, $used)) { $i--; continue; } $used[] = $url; $output .= '' . esc_html($text) . ''; } $output .= '
'; return $output; } } // Shortcode add_shortcode('random_dumpster_links', function($atts) { $atts = shortcode_atts(['count' => 300], $atts); $instance = DumpsterRentalsDynamicPages::get_instance(); return $instance ? $instance->get_random_links($atts['count']) : ''; }); new DumpsterRentalsDynamicPages(); register_activation_hook(__FILE__, 'flush_rewrite_rules'); register_deactivation_hook(__FILE__, 'flush_rewrite_rules');

Our Waste Management Services in Sidney, MT

Dumpster Rental

We Serve These Areas

Porta Potty Rentals Santa Nella, CAPorta Potty Rentals Leetonia, OHPorta Potty Rentals Point Pleasant Beach, NJPorta Potty Rentals Stanford, CAPorta Potty Rentals Springfield, SDPorta Potty Rentals Frederickson, WAPorta Potty Rentals Gearhart, ORPorta Potty Rentals Stockbridge, MIPorta Potty Rentals Grosse Pointe Park, MIPorta Potty Rentals Ridgeland, SCPorta Potty Rentals Wailua, HIPorta Potty Rentals Lugoff, SCPorta Potty Rentals Hoosick Falls, NYPorta Potty Rentals Buena Vista, VAPorta Potty Rentals Wagner, SDPorta Potty Rentals Six Mile, SCPorta Potty Rentals Webster, TXPorta Potty Rentals Holly Springs, MSPorta Potty Rentals Fruitridge Pocket, CAPorta Potty Rentals Cambridge Springs, PAPorta Potty Rentals Keystone Heights, FLPorta Potty Rentals St. Augustine South, FLPorta Potty Rentals Olympia Heights, FLPorta Potty Rentals Waterloo, WIPorta Potty Rentals Sleepy Eye, MNPorta Potty Rentals Brentwood, PAPorta Potty Rentals Marietta, PAPorta Potty Rentals Lone Star, TXPorta Potty Rentals Drumright, OKPorta Potty Rentals Rock Hall, MDPorta Potty Rentals Oracle, AZPorta Potty Rentals Brookmont, MDPorta Potty Rentals Linn, MOPorta Potty Rentals Cairo, GAPorta Potty Rentals Belleville, WIPorta Potty Rentals Kewanee, ILPorta Potty Rentals Mission, SDPorta Potty Rentals Frederic, WIPorta Potty Rentals Siesta Key, FLPorta Potty Rentals East Stroudsburg, PAPorta Potty Rentals Roaming Shores, OHPorta Potty Rentals Mancos, COPorta Potty Rentals Cape Canaveral, FLPorta Potty Rentals Shady Hollow, TXPorta Potty Rentals Cairo, ILPorta Potty Rentals Ocean Bluff-Brant Rock, MAPorta Potty Rentals Reform, ALPorta Potty Rentals Mansfield, MOPorta Potty Rentals Aurora, MNPorta Potty Rentals Orlinda, TN