T: 400-6065-301
150
function loadJSON(url) {
var headID = document.getElementsByTagName("head")[0];
var newScript = document.createElement('script');
newScript.type = 'text/javascript';
newScript.src = url;
headID.appendChild(newScript);}http：/Graph.facebook.com/？id=https：/speckybel.com
{
"id": "https://speckyboy.com",
"shares": 608}http：/Graph.facebook.com/？id=https：/speckybel.com&callback=doThisFunction
/**/ doThisFunction({
"id": "https://speckyboy.com",
"shares": 608});function doThisFunction(data){
alert('the page ' + data.id + ' has been shared ' + data.shares + ' times');}<?php/**
* Template Name: REST Blog Listing
* @package WordPress
*
*/// Notice that there is no request to get_header(); it is not needed/*
* REST Class from speckyboy
*
*/// check if the class exists already as we don't want it to failif(!class_exists('speckyboyREST')){
class speckyboyREST{
// define class variabels
protected $_callback;
protected $_count;
protected $_output;
protected $_format;
// automate everything
public function __construct(){
$this->_output = array(); // setup the output as an array, needed for json
$this->_count = 10; // define the blog count shown as default
$this->_callback = false; // set callback to false just incase a jsonp callback request is not made
$this->_format = 'json'; // default to json replies, will be changed if callback used
if( $this->check_url_vars() ){
$this->save_url_vars();
}
$this->make_the_loop();
$this->send_output();
}
protected function check_url_vars(){
if(!empty($_GET)){ // check to see if the GET variables are set at all, this could more specific if wanted.
return true;
}else{
return false;
}
}
protected function sanatize_vars($var){ // stop nasties by removing them from the possible URL vars
return strip_tags(html_entity_decode(urldecode($var)));
}
protected function save_url_vars(){
if(isset($_GET['callback']) ){
$this->_format = 'jsonp'; // as there is a callback, setting the output to be jsonp
$this->_callback = $this->sanatize_vars($_GET['callback']); // defining the output
}
if(isset($_GET['count']) ){
$this->_count = $this->sanatize_vars($_GET['count']); // could use is_numeric here if wanted
}
}
protected function error($type, $errorMessage){
$this->_output['status'] = $type; // define the error message value
$this->_output['data'] = $errorMessage; // define the error message text
$this->_format = 'jsonp'; // setting to jsonp so that we can force a callback to a error handler
$this->_callback = 'errorReply'; // will send errors back to errorReply function.
}
protected function make_the_loop(){
$query = array(
'post_type' => 'post', // get only posts
'post_status' => 'publish', // only published stuff
'posts_per_page'=>$this->_count, // with the page count wanted count = -1 means everything
);
$loop = get_transient('restget'.$this->_count); // get the transient of the loop to make things faster
if($loop === false){
$loop = new WP_Query($query); // make loop query
set_transient('restget'.$this->_count, $loop, 60 * 60); // set the transient for the loop for 1 hour
}
$array_out = array(); // setup an array to save the results
if ($loop->have_posts()) : while ($loop->have_posts()) : $loop->the_post(); // do the loop
if(function_exists('has_post_thumbnail') && has_post_thumbnail()){ // check for a post thumnail
$image = get_the_post_thumbnail($page->ID, 'thumbnail');
}else{
$image = null; // set image to null is there is not one.
}
$array_out[] = array( // add a new array set
'title' => get_the_title(), // the title
'permalink' => get_permalink(), // the link back to the main site
'excerpt' => get_the_excerpt(), // the post excerpt
'image'=> $image
);
endwhile; // finsh the loop and then save the data
$this->_output['status'] = '200'; // set a good status
$this->_output['data'] = $array_out; // add the array to the data ready to json encode
else:
$this->error('400','no data returned'); // no data error
endif;
}
protected function send_output(){
$time = time() + 60 * 60; // setup a 1 hour cache on the output
$expire = date ( "D, d M Y H:i:s e", $time ); // define the expire time
header("Expires: " . $expire ); // set expire header for 1 hour
header("Content-type: application/json"); // set content type to be json
if(function_exists('ob_gzhandler')){ // setup GZIP compression if available
ob_start('ob_gzhandler'); //start gzipped buffer
}
else{
ob_start(); // start output buffer
}
switch($this->_format){
case 'json':
echo json_encode($this->_output); // if json, echo json encoded data to buffer
break;
case 'jsonp':
echo $this->_callback."(".json_encode($this->_output).");"; // if jsonp, echo json encode with callback to buffer
break;
}
ob_end_flush(); // flush the buffer sendin the output to the client
}
public function __desctuct(){
unset($this); // kill all the things that have been made, clean up behind.
}
}}// Start the class on load and get reply$restapi = new speckyboyREST();// notice no request for get_sidebar() or get_footer(); it is not needed as we are not sending HTML, just JSON?>function callbackFunction(data){
values = data.data;
var output = '<ul>';
for (var i = 0; i < values.length; i++) {
output += "<li style='clear:left'>";
if( values[i].image != null) {
output += "<div style='float:left; margin-right:10px'>"
output += values[i].image;
output += "</div>"
}
output += "<h2><a href='"+ values[i].permalink +"'>" + values[i].title + "</a></h2>";
output += "<p>" + values[i].excerpt + "</p>";
output += "</li>";
}
output += '</ul>';
document.getElementById('output').innerHTML = output;}function errorReply(data){
alert('there has been a problem. ' + data.data);}wp-config.php
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