1<?php 2 3/** 4 * GPXCreator is a FeedCreator that implements a GPX output, suitable for a GIS packages 5 * 6 * @since 1.7.6 7 * @author Barry Hunter <geo@barryhunter.co.uk> 8 */ 9class GPXCreator extends FeedCreator 10{ 11 12 /** 13 * GPXCreator constructor. 14 */ 15 public function __construct() 16 { 17 $this->contentType = "text/xml"; 18 $this->encoding = "utf-8"; 19 } 20 21 /** @inheritdoc */ 22 public function createFeed() 23 { 24 $feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n"; 25 $feed .= $this->_createStylesheetReferences(); 26 $feed .= "<gpx xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" version=\"1.0\" 27 creator=\"".FEEDCREATOR_VERSION."\" 28 xsi:schemaLocation=\"http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd\" xmlns=\"http://www.topografix.com/GPX/1/0\">\n"; 29 30 $now = new FeedDate(); 31 $feed .= "<desc>".FeedCreator::iTrunc(htmlspecialchars($this->title), 100)."</desc> 32 <author>{$http_host}</author> 33 <url>".htmlspecialchars($this->link)."</url> 34 <time>".htmlspecialchars($now->iso8601())."</time> 35 \n"; 36 37 for ($i = 0; $i < count($this->items); $i++) { 38 $feed .= "<wpt lat=\"".$this->items[$i]->lat."\" lon=\"".$this->items[$i]->long."\"> 39 <name>".substr(htmlspecialchars(strip_tags($this->items[$i]->title)), 0, 6)."</name> 40 <desc>".htmlspecialchars(strip_tags($this->items[$i]->title))."</desc> 41 <src>".htmlspecialchars($this->items[$i]->author)."</src> 42 <url>".htmlspecialchars($this->items[$i]->link)."</url> 43 </wpt>\n"; 44 } 45 $feed .= "</gpx>\n"; 46 47 return $feed; 48 } 49} 50