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scapi.php
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scapi.php
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<html>
<head>
<meta http-equiv="refresh" content="5">
</head>
<style>
body {
color: white;
}
td.RD {
font-size: 14px;
color: white;
text-shadow: 2px 1px red;
}
</style>
<body>
<?php
$url = "http://localhost:8000/stats?sid=1";
$data = file_get_contents($url);
//ELEMENTS TO RETRIEVE - YOU MUST KNOW THE TAG NAMES OF EACH ELEMENT - Can be improved using an array (next update):
$currlisteners='';
$maxlisteners='';
$author='';
$currentTrack='';
$nextTrack='';
$streamhits='';
$cc=10; //max counter
//Counter to start counting the number of items
$cz=0;
//The dataset will be stored inside this variable
$listernerinfo='';
$depth = array();
/*everything is triggered here - we parse the xml file and call the startElement & endElement functions, then the characterData function to read all content - the xml_parse line launches the procedure taking care of the arguments*/
$xml_parser = xml_parser_create();
xml_set_element_handler($xml_parser, "startElement", "endElement");
xml_set_character_data_handler($xml_parser, "characterData");
if (!xml_parse($xml_parser, $data))
die(sprintf("XML error: %s at line %d", xml_error_string(xml_get_error_code($xml_parser)),xml_get_current_line_number($xml_parser)));
xml_parser_free($xml_parser);
//If this line misses, the last element (Steam Hits) will not be attached to the listenerinfo string.
$listernerinfo.=$streamhits."</td></tr></table>";
function startElement($parser, $name, $attrs)
{
//we use global variables to keep track of each element while parsing the whole document
global $cc,$cz,$listernerinfo;
global $depth;
global $tagname;
global $currlisteners,$maxlisteners,$author,$currentTrack,$nextTrack,$streamhits;
if($cz < $cc)
{
/* display only if we find all items to sdisplay - updated here*/
if(strlen(trim($currentTrack)) > 0 )
{
//at this level we have a NEW ITEM -> we increment to items' counter
if($cz >= 1)
{
/*We display the dataset in the order we wish (see below to apply a different design)*/
//$listernerinfo.=$currlisteners.$maxlisteners.$author.$currentTrack.$nextTrack.$streamhits;
$listernerinfo.= "<table><tr><td class='RD'>".
"Radio Title:</td><td>".$author.
"</td></tr><tr><td class='RD'>Now Playing:</td><td>".$currentTrack.
"</td></tr><tr><td class='RD'>Coming up:</td><td>".$nextTrack.
"</td></tr><tr><td class='RD'>Listeners:</td><td>".$currlisteners." (of ".$maxlisteners.")".
"</td></tr><tr><td class='RD'>Stream Hits:</td><td>";
$currlisteners='';
$maxlisteners='';
$author='';
$currentTrack='';
$nextTrack='';
$streamhits='';
}
}
$tagname=$name;
}
//one level deeper
$depth[$parser] ;
}
function endElement($parser, $name)
{
global $depth;
global $tagname;
$tagname='';
$depth[$parser]--;
}
function characterData($parser, $ddata)
{
global $tagname;
global $cc,$cz,$listernerinfo;
global $currlisteners,$maxlisteners,$author,$currentTrack,$nextTrack,$streamhits;
/*For each tag name we receive we only extract the wanted ones
You can apply different layout to the data */
if($cz < $cc)
{
switch($tagname)
{
case 'CURRENTLISTENERS':if(strlen(trim($ddata)) > 0) $currlisteners= utf8_encode($ddata);break;
case 'MAXLISTENERS':if(strlen(trim($ddata)) > 0) $maxlisteners= utf8_encode($ddata);break;
case 'SERVERTITLE':if(strlen(trim($ddata)) > 0) $author= utf8_encode($ddata);break;
case 'SONGTITLE':if(strlen(trim($ddata)) > 0) $currentTrack= utf8_encode($ddata);break;
case 'NEXTTITLE':if(strlen(trim($ddata)) > 0) $nextTrack= utf8_encode($ddata);break;
case 'STREAMHITS':if(strlen(trim($ddata)) > 0) $streamhits= utf8_encode($ddata);break;
default: break;
}
}
}
echo $listernerinfo;
?>
</body>
</html>