[ '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); $content = str_replace( ['Ladera, CA', 'Ladera', 'CA'], [esc_html($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']); $content = str_replace( ['Ladera, CA', 'Ladera', 'CA', '#ServiceName'], [esc_html($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 Ladera, CA

Dumpster Rental

We Serve These Areas

Porta Potty Rentals Belle Plaine, MNPorta Potty Rentals Lyncourt, NYPorta Potty Rentals Union City, CAPorta Potty Rentals Clarkston, WAPorta Potty Rentals Bull Shoals, ARPorta Potty Rentals Greenup, ILPorta Potty Rentals West Point, KYPorta Potty Rentals Winsted, MNPorta Potty Rentals Horseshoe Bend, ARPorta Potty Rentals Ringwood, NJPorta Potty Rentals Clarksburg, MDPorta Potty Rentals Rock Falls, ILPorta Potty Rentals Snyder, TXPorta Potty Rentals Girard, KSPorta Potty Rentals Murillo, TXPorta Potty Rentals South Bloomfield, OHPorta Potty Rentals Bethany, OKPorta Potty Rentals Union, KYPorta Potty Rentals Redwood Falls, MNPorta Potty Rentals Ronan, MTPorta Potty Rentals Myrtle Grove, FLPorta Potty Rentals Holly Springs, GAPorta Potty Rentals Park City, KSPorta Potty Rentals Erwinville, LAPorta Potty Rentals Whitfield, PAPorta Potty Rentals Farmington, NMPorta Potty Rentals Haines, AKPorta Potty Rentals Horse Shoe, NCPorta Potty Rentals North Lindenhurst, NYPorta Potty Rentals Olney, ILPorta Potty Rentals Bloomingdale, ILPorta Potty Rentals Hillsborough, NJPorta Potty Rentals Barrackville, WVPorta Potty Rentals Bethel, OHPorta Potty Rentals Hemphill, TXPorta Potty Rentals Lawnside, NJPorta Potty Rentals Lawnton, PAPorta Potty Rentals Elbow Lake, MNPorta Potty Rentals Weston Mills, NYPorta Potty Rentals Streator, ILPorta Potty Rentals Ponderay, IDPorta Potty Rentals Walla Walla, WAPorta Potty Rentals Mountainside, NJPorta Potty Rentals Inola, OKPorta Potty Rentals Lake Wissota, WIPorta Potty Rentals Heber-Overgaard, AZPorta Potty Rentals Port Chester, NYPorta Potty Rentals Washington, INPorta Potty Rentals Oregon, OHPorta Potty Rentals Yukon, OK