[
'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);
$content = str_replace(
['Solon, IA', 'Solon', 'IA'],
[esc_html($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']);
$content = str_replace(
['Solon, IA', 'Solon', 'IA', '#ServiceName'],
[esc_html($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 Solon, IA
We Serve These Areas
Porta Potty Rentals Pea Ridge, FLPorta Potty Rentals North Lewisburg, OHPorta Potty Rentals Duarte, CAPorta Potty Rentals Groveton, VAPorta Potty Rentals North Wales, PAPorta Potty Rentals East Gaffney, SCPorta Potty Rentals Pelham Manor, NYPorta Potty Rentals Fresno, TXPorta Potty Rentals Fountain Hill, PAPorta Potty Rentals Southgate, KYPorta Potty Rentals Shawnee Hills, OHPorta Potty Rentals Pana, ILPorta Potty Rentals Carey, OHPorta Potty Rentals Grayling, MIPorta Potty Rentals Elma, WAPorta Potty Rentals New Freedom, PAPorta Potty Rentals Starbuck, MNPorta Potty Rentals Shoal Creek, ALPorta Potty Rentals Cedarville, OHPorta Potty Rentals Attica, MIPorta Potty Rentals Falmouth, KYPorta Potty Rentals Cameron, TXPorta Potty Rentals Citrus Park, FLPorta Potty Rentals Plover, WIPorta Potty Rentals The Hideout, PAPorta Potty Rentals Vidor, TXPorta Potty Rentals Salamatof, AKPorta Potty Rentals Bourbon, INPorta Potty Rentals Lake Wylie, SCPorta Potty Rentals Jennings, LAPorta Potty Rentals Walbridge, OHPorta Potty Rentals Lake Hamilton, ARPorta Potty Rentals Conway, ARPorta Potty Rentals Glenwood Landing, NYPorta Potty Rentals Northfield, NJPorta Potty Rentals Marion, PAPorta Potty Rentals Ipswich, SDPorta Potty Rentals Sutter Creek, CAPorta Potty Rentals Pontiac, MIPorta Potty Rentals North Middletown, NJPorta Potty Rentals Barnesville, MNPorta Potty Rentals Miamitown, OHPorta Potty Rentals Chanhassen, MNPorta Potty Rentals Armonk, NYPorta Potty Rentals Newark, ARPorta Potty Rentals Cambridge, NEPorta Potty Rentals Arbuckle, CAPorta Potty Rentals Bridge City, TXPorta Potty Rentals Lockport Heights, LAPorta Potty Rentals Woodbine, NJ