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<?php |
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/** |
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* Created by PhpStorm. |
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* User: Mark |
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* Date: 22/05/2016 |
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* Time: 07:50. |
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*/ |
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namespace App\Classes; |
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/** |
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* This is the second version of our Sitemap Generation Class. |
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* This allows you to store the data before returning and lets you |
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* decide what you want to do with it, which allows you to create |
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* for example, an array or xml as required. (greater control). |
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* |
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* Class SitemapGenerator |
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*/ |
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class SitemapGenerator |
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{ |
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/** |
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* Data for the sitemap to work upon. |
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* |
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* @var array |
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*/ |
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private $data = []; |
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/** |
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* Store a sample of data to the sitemap generator for usage later on. |
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* |
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* @param $url_location - The url where the item can be found or viewed. |
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* @param null $last_modified - The date at which the piece was last modified. (allows model timestamps). |
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* @param null $change_frequency - Define how often this should be checked by SEO. |
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* @param null $priority - Priorty of importance that the piece is brought to SEO attention. |
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*/ |
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public function store($url_location, $last_modified = null, $change_frequency = null, $priority = null) |
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{ |
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$this->data[] = new SitemapGeneratorDataObject($url_location, $last_modified, $change_frequency, $priority); |
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} |
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/** |
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* Turns the stored data into a readable and usable xml for SEO Optimization. |
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* |
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* @return string |
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*/ |
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public function generateXML() |
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{ |
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// headers for xml documentation type reading. |
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$document = '<?xml version="1.0" encoding="UTF-8"?>'; |
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$document .= '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">'; |
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// create xml tags from the stored class data. |
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foreach ($this->data as $data) { |
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/* @var SitemapGeneratorDataObject $data */ |
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$document .= '<url>'; |
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$document .= $data->url_location ? '<loc>'.$data->url_location.'</loc>' : null; |
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$document .= $data->last_modified ? '<lastmod>'.$data->last_modified.'</lastmod>' : null; |
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$document .= $data->change_frequency ? '<changefreq>'.$data->change_frequency.'</changefreq>' : null; |
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$document .= $data->priority ? '<priority>'.$data->priority.'</priority>' : null; |
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$document .= '</url>'; |
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} |
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$document .= '</urlset>'; |
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return $document; |
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} |
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/** |
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* Turns the stored data into a usable array in which can be used for user reading and browsing. |
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* |
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* @return array |
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*/ |
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public function generateArray() |
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{ |
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$document = []; |
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/** @var SitemapGeneratorDataObject $data */ |
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foreach ($this->data as $data) { |
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$document[] = ['url_location'=>$data->url_location, 'last_modified'=>$data->last_modified, 'change_frequency'=>$data->change_frequency, 'priority'=>$data->priority]; |
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} |
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return $document; |
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} |
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} |
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/** |
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* Class SitemapGeneratorDataObject. |
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*/ |
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class SitemapGeneratorDataObject |
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{ |
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public $url_location; |
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public $last_modified; |
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public $change_frequency; |
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public $priority; |
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public function __construct($url_location, $last_modified, $change_frequency, $priority) |
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{ |
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$this->url_location = $url_location; |
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$this->last_modified = $last_modified->format('Y-m-d'); |
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$this->change_frequency = $change_frequency; |
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$this->priority = $priority; |
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} |
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} |
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webshelf /
framework
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