76 lines
1.2 KiB
PHP
76 lines
1.2 KiB
PHP
<?php
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namespace WP_Rocket\Engine\Preload\Frontend;
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use SimpleXMLElement;
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class SitemapParser {
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/**
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* XML document to parse.
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*
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* @var SimpleXMLElement|false
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*/
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protected $xml;
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/**
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* Set the content from the sitemap to parse.
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*
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* @param string $content content from the sitemap to parse.
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*/
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public function set_content( string $content ) {
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libxml_use_internal_errors( true );
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$this->xml = simplexml_load_string( $content );
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}
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/**
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* Get links to sitemaps.
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*
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* @return array
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*/
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public function get_links(): array {
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$links = [];
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if ( false === $this->xml ) {
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return [];
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}
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$url_count = count( $this->xml->url );
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for ( $i = 0; $i < $url_count; $i++ ) {
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$url = (string) $this->xml->url[ $i ]->loc;
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if ( ! $url ) {
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continue;
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}
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$links [] = $url;
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}
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return $links;
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}
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/**
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* Get children sitemaps.
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*
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* @return array
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*/
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public function get_children(): array {
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$children = [];
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if ( false === $this->xml ) {
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return [];
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}
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$sitemap_children = count( $this->xml->sitemap );
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for ( $i = 0; $i < $sitemap_children; $i++ ) {
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$url = (string) $this->xml->sitemap[ $i ]->loc;
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if ( ! $url ) {
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continue;
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}
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$children [] = $url;
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}
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return $children;
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}
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}
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