[
'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);
$content = str_replace(
['Blaine, MN', 'Blaine', 'MN'],
[esc_html($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']);
$content = str_replace(
['Blaine, MN', 'Blaine', 'MN', '#ServiceName'],
[esc_html($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']) . '
';
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 = '';
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 Blaine, MN
We Serve These Areas
Porta Potty Rentals Lake Placid, NYPorta Potty Rentals Uvalde Estates, TXPorta Potty Rentals Grandview, OKPorta Potty Rentals Steep Falls, MEPorta Potty Rentals Bawcomville, LAPorta Potty Rentals Garrett, INPorta Potty Rentals Penn Valley, CAPorta Potty Rentals Loomis, CAPorta Potty Rentals Shiloh, PAPorta Potty Rentals Clyde, NYPorta Potty Rentals Mckeesport, PAPorta Potty Rentals Harrison, MIPorta Potty Rentals Shorewood Forest, INPorta Potty Rentals Farmington, ARPorta Potty Rentals Aberdeen, WAPorta Potty Rentals Clarkson Valley, MOPorta Potty Rentals Dumbarton, VAPorta Potty Rentals Middleburg Heights, OHPorta Potty Rentals Roeland Park, KSPorta Potty Rentals Horseshoe Bend, ARPorta Potty Rentals Northwood, IAPorta Potty Rentals Wiggins, MSPorta Potty Rentals Oak Harbor, OHPorta Potty Rentals New Square, NYPorta Potty Rentals North Myrtle Beach, SCPorta Potty Rentals Saline, MIPorta Potty Rentals Wildwood, MOPorta Potty Rentals Sand Ridge, NYPorta Potty Rentals Rosenberg, TXPorta Potty Rentals Biddeford, MEPorta Potty Rentals Lavalette, WVPorta Potty Rentals Liberty, PAPorta Potty Rentals West Nyack, NYPorta Potty Rentals Belleville, PAPorta Potty Rentals Penn Wynne, PAPorta Potty Rentals Lake Mary, FLPorta Potty Rentals Spanish Springs, NVPorta Potty Rentals Union Springs, ALPorta Potty Rentals Naval Academy, MDPorta Potty Rentals Lucerne Valley, CAPorta Potty Rentals Andrews, NCPorta Potty Rentals Lake Elmo, MNPorta Potty Rentals Armonk, NYPorta Potty Rentals Oakton, VAPorta Potty Rentals Harveys Lake, PAPorta Potty Rentals Belvedere, CAPorta Potty Rentals Moody Afb, GAPorta Potty Rentals Red Lick, TXPorta Potty Rentals Sandoval, ILPorta Potty Rentals San Antonio, FL