API Concept Examples

<?php
$target = "http://FREENATS_URL/api.php?mode=xml";


$query=array();
$param=array();

$query[0]="alerts";

$query[1]="node";
$param[1]="bob";

$key=""; // Set Your API Key Here

$url=$target."&apikey=".$key;

foreach($query as $key => $val)
	{
	$url.="&query[".$key."]=".$val;
	if (isset($param[$key])) $url.="&param[".$key."]=".$param[$key];
	}
	
echo "<html><title>FreeNATS API XML</title>";
echo "<b>".$url."</b><br><br>";


echo "<pre>";

$depth = 0;

function startElement($parser, $name, $attrs) 
{
    global $depth;
    for ($i = 0; $i < $depth; $i++) {
        echo "  ";
    }
    echo "+ $name ";
    foreach($attrs as $key => $val)
    	{
	    echo $key."=".$val." ";
    	}
    echo "\n";
    $depth++;
}

function endElement($parser, $name) 
{
    global $depth;
    $depth--;
}

function characterData($parser, $data) 
{
	$data=trim($data); // remove whitespace
	if ($data!="")
		{
	    global $depth;
	    for ($i = 0; $i < $depth; $i++) {
	        echo "  ";
	    }
	    
	   	echo $data."\n";
		}
}

$xml_parser = xml_parser_create();
xml_set_element_handler($xml_parser, "startElement", "endElement");
xml_set_character_data_handler($xml_parser, "characterData");
if (!($fp = fopen($url, "r"))) {
    die("could not open XML input");
}

while ($data = fread($fp, 4096)) {
    if (!xml_parse($xml_parser, $data, feof($fp))) {
        die(sprintf("XML error: %s at line %d",
                    xml_error_string(xml_get_error_code($xml_parser)),
                    xml_get_current_line_number($xml_parser)));
    }
}
fclose($fp);
xml_parser_free($xml_parser);
echo "</pre>";

?>