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December 28, 2015 01:19
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An example of a PHP API Interface
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| <?php | |
| $url = $_POST['url']; | |
| $url_count = get_fb_info( $url ); | |
| echo json_encode( $url_count ); | |
| function get_fb_info( $site_name ) { | |
| $query = "https://api.facebook.com/method/fql.query?query=select url,share_count,like_count,comment_count from link_stat where url = "; | |
| $sites_query = '"'.$site_name.'"'; | |
| $xml = simplexml_load_file( $query.$sites_query ); | |
| $urls = Array(); | |
| foreach ($xml->link_stat as $link) { | |
| $link->total = (int)$link->like_count + (int)$link->share_count + (int)$link->comment_count; | |
| array_push($urls,$link); | |
| } | |
| return $urls[0]; | |
| } | |
| ?> |
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| <html> | |
| <body> | |
| <form action="./fb_api_wrapper.php" method="POST"> | |
| <input type="text" name="url"> | |
| <input type="submit"> | |
| </form> | |
| </body> | |
| </html> |
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| <html> | |
| <script type="text/javascript" src="./tinyxhr.js"></script> | |
| <script type="text/javascript"> | |
| function ajax_form( form ) { | |
| tinyPost( // This is a function that will make the POST request with AJAX | |
| form.action, // We're getting the URL of the form from the form's action attribute | |
| { url: url.value }, // This is the data | |
| function(result) { print_result.innerText = result.url + ' has ' + result.share_count + ' shares'} // All AJAX requests are asynchronous - so they need a callback to do a follow up action when they're done | |
| ) | |
| return false; // Return false to override the default form submission | |
| } | |
| </script> | |
| <body> | |
| <form action="./fb_api_wrapper.php" method="POST" onsubmit="return ajax_form(this);"> | |
| <input name="url" id="url"> | |
| <input type="submit"> | |
| </form> | |
| <div id="print_result"></div> | |
| </body> | |
| </html> |
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| /* Library for making AJAX requets */ | |
| function tinyPost(url,data,callback) { | |
| tinyxhr(url,data,callback,'POST'); | |
| } | |
| function tinyGET(url,data,callback) { | |
| tinyxhr(url,data,callback); | |
| } | |
| function tinyxhr(url,data,callback,method,contenttype,timeout) { | |
| var requestTimeout,xhr; | |
| try{ xhr = new XMLHttpRequest(); | |
| } catch(e){ | |
| try{ xhr = new ActiveXObject("Msxml2.XMLHTTP");} | |
| catch (e){ return null; } | |
| } | |
| requestTimeout = setTimeout( function() { | |
| xhr.abort(); callback(new Error("tinyxhr: aborted by a timeout"), "",xhr); | |
| }, timeout || 5000); | |
| xhr.onreadystatechange = function() { | |
| if (xhr.readyState != 4) return; | |
| clearTimeout(requestTimeout); | |
| var response = xhr.responseText | |
| try { response = JSON.parse( response ); } catch( e ) {} | |
| callback( response, (xhr.status != 200 ? new Error("tinyxhr: server respnse status is "+xhr.status) : false), xhr ); | |
| } | |
| xhr.open( method ? method.toUpperCase() : "GET", url, true); | |
| function serialize(obj) { | |
| var str = []; | |
| for(var p in obj) | |
| str.push(encodeURIComponent(p) + "=" + encodeURIComponent(obj[p])); | |
| return str.join("&"); | |
| } | |
| if(! data ) { xhr.send(); | |
| } else { | |
| if( typeof data == 'object' ) data = serialize(data); | |
| xhr.setRequestHeader('Content-type', contenttype ? contenttype : 'application/x-www-form-urlencoded'); | |
| xhr.send(data) | |
| } | |
| } |
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