<?php
/*
* Simple Mefeedia Query URL Constructor. Responses in XML can easily be converted into
* a more managable array using xml2array.
* email paul@mefeedia.com for help.
*
* This example will contstruct a search query to be submitted to http://mefeedia.com/query.php
* then convert the response XML into
*/
$search = new MefeediaSearch("120581");
//search for the keyword perez, page 1
$response_array = $search->search("perez",1);
//Outputs an associative array
print_r($response_array);
class MefeediaSearch{
var $url="http://mefeedia.com/query.php?";
var $params=array();
var $response=false;
function MefeediaSearch($partnerid){
$this->params["partner"]=$partnerid;
$this->params["api"]="xml";
$this->params["date_start"]=false;
$this->params["date_end"]=false;
//$this->params["version"]=1;
}
function dateRange($mmddyy_start,$mmddyy_end){
$this->params["date_start"]=$mmddyy_start;
$this->params["date_end"]=$mmddyy_end;
}
function search($query="",$page=1,$return_array=true){
if(empty($query))
$query="EMPTY";
$this->params["q"]=$query;
$this->params["page"]=$page;
//Loop thru all the paramaters to create a query string
foreach($this->params as $key => $value){
$this->url.="&$key=".urlencode($value);
}
//Make an http request
$this->response = file_get_contents($this->url);
if(stristr($this->response,"response")){
if($return_array)
return $this->xml2array($this->response,0);
else
return $this->response;
}else{
return false;
}
}
//Converts generic XML docs to an associative array
function xml2array($contents, $get_attributes=1) {
if(!$contents) return array();
if(!function_exists('xml_parser_create')) {
print "'xml_parser_create()' function not found!";
return array();
}
//Get the XML parser of PHP - PHP must have this module for the parser to work
$parser = xml_parser_create();
xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, 0 );
xml_parser_set_option( $parser, XML_OPTION_SKIP_WHITE, 1 );
xml_parse_into_struct( $parser, $contents, $xml_values );
xml_parser_free( $parser );
if(!$xml_values) return;//Hmm...
//Initializations
$xml_array = array();
$parents = array();
$opened_tags = array();
$arr = array();
$current = &$xml_array;
//Go through the tags.
foreach($xml_values as $data) {
unset($attributes,$value);//Remove existing values, or there will be trouble
//This command will extract these variables into the foreach scope
// tag(string), type(string), level(int), attributes(array).
extract($data);//We could use the array by itself, but this cooler.
$result = '';
if($get_attributes) {//The second argument of the function decides this.
$result = array();
if(isset($value)) $result['value'] = $value;
//Set the attributes too.
if(isset($attributes)) {
foreach($attributes as $attr => $val) {
if($get_attributes == 1) $result['attr'][$attr] = $val; //Set all the attributes in a array called 'attr'
/** :TODO: should we change the key name to '_attr'? Someone may use the tagname 'attr'. Same goes for 'value' too */
}
}
} elseif(isset($value)) {
$result = $value;
}
//See tag status and do the needed.
if($type == "open") {//The starting of the tag '<tag>'
$parent[$level-1] = &$current;
if(!is_array($current) or (!in_array($tag, array_keys($current)))) { //Insert New tag
$current[$tag] = $result;
$current = &$current[$tag];
} else { //There was another element with the same tag name
if(isset($current[$tag][0])) {
array_push($current[$tag], $result);
} else {
$current[$tag] = array($current[$tag],$result);
}
$last = count($current[$tag]) - 1;
$current = &$current[$tag][$last];
}
} elseif($type == "complete") { //Tags that ends in 1 line '<tag />'
//See if the key is already taken.
if(!isset($current[$tag])) { //New Key
$current[$tag] = $result;
} else { //If taken, put all things inside a list(array)
if((is_array($current[$tag]) and $get_attributes == 0)//If it is already an array...
or (isset($current[$tag][0]) and is_array($current[$tag][0]) and $get_attributes == 1)) {
array_push($current[$tag],$result); // ...push the new element into that array.
} else { //If it is not an array...
$current[$tag] = array($current[$tag],$result); //...Make it an array using using the existing value and the new value
}
}
} elseif($type == 'close') { //End of tag '</tag>'
$current = &$parent[$level-1];
}
}
return($xml_array);
}
}
?>