{"id":516,"date":"2013-11-14T03:08:01","date_gmt":"2013-11-14T03:08:01","guid":{"rendered":"http:\/\/a1webdesignteam.com\/blog\/?p=516"},"modified":"2013-11-14T03:08:37","modified_gmt":"2013-11-14T03:08:37","slug":"create-facebook-popup-authentication-window-using-php-and-javascript","status":"publish","type":"post","link":"https:\/\/a1webdesignteam.com\/blog\/create-facebook-popup-authentication-window-using-php-and-javascript\/","title":{"rendered":"Create Facebook PopUp Authentication Window using PHP and javascript"},"content":{"rendered":"

 <\/p>\n

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FB.Event.subscribe(<\/code>'auth.login'<\/code>, <\/code>function<\/code>(response) {<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ do something with response<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>login();<\/code><\/div>\n
});<\/code><\/div>\n
function<\/code> login(){<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code>document.location.href = <\/code>\"<?=$config['baseurl']?>\"<\/code>;<\/code><\/div>\n
}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

I tested the code in various server but the problem occurs only in his server. Then I think to solve the problem using php-sdk generated login code.<\/p>\n

 <\/p>\n

In the\u00a0official example<\/a>\u00a0you\u2019ll see the code<\/p>\n

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<?php<\/code><\/div>\n
if<\/code> (<\/code>$me<\/code>) {<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$logoutUrl<\/code> =\u00a0\u00a0 <\/code>$facebook<\/code>->getLogoutUrl();<\/code><\/div>\n
} <\/code>else<\/code> {<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$loginUrl<\/code>\u00a0\u00a0 =\u00a0\u00a0 <\/code>$facebook<\/code>->getLoginUrl();<\/code><\/div>\n
}<\/code><\/div>\n
?><\/code><\/div>\n
<?php <\/code>if<\/code> (<\/code>$me<\/code>): ?><\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code><a href=<\/code>\"<?php echo $logoutUrl; ?>\"<\/code>><\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><img src=<\/code>\"http:\/\/static.ak.fbcdn.net\/rsrc.php\/z2Y31\/hash\/cxrz4k7j.gif<\/a>\"<\/code>><\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code><\/a><\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code><?php <\/code>else<\/code>: ?><\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code><div><\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><a href=<\/code>\"<?php echo $loginUrl; ?>\"<\/code>><\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><img src=<\/code>\"http:\/\/static.ak.fbcdn.net\/rsrc.php\/zB6N8\/hash\/4li2k73z.gif<\/a>\"<\/code>><\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/a><\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code><\/div><\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0<\/code><?php <\/code>endif<\/code> ?><\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

But there is a problem, that is if you use the technique then when user will click login he will redirect to the $loginUrl generated by facebook i.e his main browser window\u2019s url will change. But I want, this authentication will happen in javascript popup window as like as javascript sdk based authentication by facebook. And at last I solved it by the following way:<\/p>\n

Check The Demo First<\/a><\/p>\n

\"\"<\/a><\/p>\n

Logic behind popup authentication using php and javascript:<\/strong><\/p>\n

    \n
  1. User first click FBConnect Login Button<\/li>\n
  2. I\u2019ll create a javascript popup window and load the login url there<\/li>\n
  3. When user successfully authenticate there then facebook will redirect him to the \u2018next<\/strong>\u2018 url passed by me. The redirect will still happen in the popup window.<\/li>\n
  4. I\u2019ll also pass a special parameter with \u2018next<\/strong>\u2018 url\u2019s parameter, so when user redirected here I\u2019ll first collect\u00a0session<\/strong>\u00a0variable (Facebook sends a\u00a0session<\/strong>\u00a0json encoded string) I\u2019ll modify them to a special format and save the value as a cookie.<\/li>\n
  5. Then I\u2019ll close the popup window and browser\u2019s main window will reload.<\/li>\n<\/ol>\n

    The procedure is same as\u00a0my previous article<\/a>\u00a0just I modified the\u00a0index.php<\/strong><\/p>\n

    Step 1: Generate\u00a0<\/strong>login\/logout url by php<\/strong><\/p>\n

    \n
    \n\n\n\n
    \n
    01<\/div>\n
    02<\/div>\n
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    18<\/div>\n
    19<\/div>\n<\/td>\n
    		\n
    \n
    $config<\/code>[<\/code>'baseurl'<\/code>]\u00a0 =\u00a0\u00a0 <\/code>\"http:\/\/thinkdiff.net\/demo\/newfbconnect1\/fbpopup\/index.php<\/a>\"<\/code>;<\/code><\/div>\n
    <\/div>\n
    \/\/ login or logout url will be needed depending on current user state.<\/code><\/div>\n
    if<\/code> (<\/code>$fbme<\/code>) {<\/code><\/div>\n
    \u00a0\u00a0<\/code>$logoutUrl<\/code> = <\/code>$facebook<\/code>->getLogoutUrl(<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>array<\/code>(<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'next'<\/code>\u00a0\u00a0\u00a0\u00a0\u00a0 => <\/code>$config<\/code>[<\/code>'baseurl'<\/code>],<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>)<\/code><\/div>\n
    \u00a0\u00a0<\/code>);<\/code><\/div>\n
    } <\/code>else<\/code> {<\/code><\/div>\n
    \u00a0\u00a0<\/code>$loginUrl<\/code> = <\/code>$facebook<\/code>->getLoginUrl(<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>array<\/code>(<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'display'<\/code>\u00a0\u00a0 => <\/code>'popup'<\/code>,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'next'<\/code>\u00a0\u00a0\u00a0\u00a0\u00a0 => <\/code>$config<\/code>[<\/code>'baseurl'<\/code>] . <\/code>'?loginsucc=1'<\/code>,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'cancel_url'<\/code>=> <\/code>$config<\/code>[<\/code>'baseurl'<\/code>] . <\/code>'?cancel=1'<\/code>,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'req_perms'<\/code> => <\/code>'email,user_birthday'<\/code>,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>)<\/code><\/div>\n
    \u00a0\u00a0<\/code>);<\/code><\/div>\n
    }<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    If you look carefully you\u2019ll see I passed the\u00a0next\u00a0<\/strong>parameter for both login and logout url.<\/p>\n

    \n
    \n\n\n\n
    \n
    1<\/div>\n<\/td>\n
    		\n
    \n
    $config<\/code>[<\/code>'baseurl'<\/code>] . <\/code>'?loginsucc=1'<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    this is mandatory because we will open the login procedure in javascript popup. So after login successfully in the popup window facebook url will redirect to\u00a0next\u00a0<\/strong>url, so when I\u2019ll get\u00a0loginsucc\u00a0<\/strong>parameter I\u2019ll close the popup window.<\/p>\n

    And also look<\/p>\n

    \n
    \n\n\n\n
    \n
    1<\/div>\n<\/td>\n
    		\n
    \n
    'cancel_url'<\/code>=> <\/code>$config<\/code>[<\/code>'baseurl'<\/code>] . <\/code>'?cancel=1'<\/code>,<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    If user click cancel then I redirect him to this url. So that I check whether user click cancel or not.<\/p>\n

    Step 2: Add this code just after step1\u2032s code
    \n<\/strong><\/p>\n

    \n
    \n\n\n\n
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    01<\/div>\n
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    		\n
    \n
    \/\/if user click cancel not login, then i just close the popup window<\/code><\/div>\n
    \u00a0<\/code>if<\/code> (isset(<\/code>$_REQUEST<\/code>[<\/code>'cancel'<\/code>])){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>echo<\/code> \"<script><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>window.close();<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/script>\";<\/code><\/div>\n
    }<\/code><\/div>\n
    <\/div>\n
    \/\/only if valid session found and loginsucc is set<\/code><\/div>\n
    if<\/code> (<\/code>$fbme<\/code> && isset(<\/code>$_REQUEST<\/code>[<\/code>'loginsucc'<\/code>])){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/after facebook redirects it will send a session parameter as a json value<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/now decode them, make them array and sort based on keys<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$sortArray<\/code> = get_object_vars(json_decode(<\/code>$_GET<\/code>[<\/code>'session'<\/code>]));<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>ksort(<\/code>$sortArray<\/code>);<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$strCookie<\/code>\u00a0 =\u00a0\u00a0 <\/code>\"\"<\/code>;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$flag<\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 =\u00a0\u00a0 false;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>foreach<\/code>(<\/code>$sortArray<\/code> as<\/code> $key<\/code>=><\/code>$item<\/code>){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (<\/code>$flag<\/code>) <\/code>$strCookie<\/code> .= <\/code>'&'<\/code>;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$strCookie<\/code> .= <\/code>$key<\/code> . <\/code>'='<\/code> . <\/code>$item<\/code>;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$flag<\/code> = true;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/now set the cookie so that next time user don't need to click login again<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/ cookie name should be fbs_ + application id<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>setCookie(<\/code>'fbs_'<\/code> . <\/code>\"{$fbconfig['appid']}\"<\/code>, <\/code>$strCookie<\/code>);<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>echo<\/code> \"<script><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>window.close();<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>window.opener.location.reload();<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/script>\";<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    This code checks for $fbme and $_REQUEST[‘loginsucc’] parameter. If it finds ok, then it first collects the value\u00a0session<\/strong>\u00a0sent by facebook. It is a json encoded string.\u00a0 Next<\/p>\n

    \n
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    1<\/div>\n<\/td>\n
    		\n
    \n
    $sortArray<\/code> = get_object_vars(json_decode(<\/code>$_GET<\/code>[<\/code>'session'<\/code>]));<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    json_decode() php function decodes json encoded string and returns a object, then get_object_vars() converts the object to associative array. Then I sort the array based on keys by ksort() php function. Next I make a string $strCookie based on the keys and values of $sortArray and save the $strCookie as cookie.<\/p>\n

    Then I will close the popup window and reload the main window.<\/p>\n

    Step 3: Now add this javascript code<\/strong><\/p>\n

    \n
    \n\n\n\n
    \n
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    		\n
    \n
    <script type=<\/code>\"text\/javascript\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php <\/code>if<\/code> ($loginUrl) { ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>var<\/code> newwindow;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>var<\/code> intId;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>function<\/code> login(){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>var<\/code>\u00a0 screenX\u00a0\u00a0\u00a0 = <\/code>typeof<\/code> window.screenX != <\/code>'undefined'<\/code> ? window.screenX : window.screenLeft,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>screenY\u00a0\u00a0\u00a0 = <\/code>typeof<\/code> window.screenY != <\/code>'undefined'<\/code> ? window.screenY : window.screenTop,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>outerWidth = <\/code>typeof<\/code> window.outerWidth != <\/code>'undefined'<\/code> ? window.outerWidth : document.body.clientWidth,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>outerHeight = <\/code>typeof<\/code> window.outerHeight != <\/code>'undefined'<\/code> ? window.outerHeight : (document.body.clientHeight - 22),<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>width\u00a0\u00a0\u00a0 = 500,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>height\u00a0\u00a0 = 270,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>left\u00a0\u00a0\u00a0\u00a0 = parseInt(screenX + ((outerWidth - width) \/ 2), 10),<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>top\u00a0\u00a0\u00a0\u00a0\u00a0 = parseInt(screenY + ((outerHeight - height) \/ 2.5), 10),<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>features = (<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'width='<\/code> + width +<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>',height='<\/code> + height +<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>',left='<\/code> + left +<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>',top='<\/code> + top<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>);<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>newwindow=window.open(<\/code>'<?=$loginUrl?>'<\/code>,<\/code>'Login_by_facebook'<\/code>,features);<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (window.focus) {newwindow.focus()}<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>return<\/code> false<\/code>;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php } ?><\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    Though this is javascript code but it is rendered by php. So I added a php if logic.Please note that in the second parameter there should be no space \u201cLogin_by_facebook\u201d not \u201cLogin by facebook\u201d, because, if that contains space IE shows javascript error. But other browser will not complain.<\/strong><\/p>\n

    \n
    \n\n\n\n
    \n
    1<\/div>\n<\/td>\n
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    \n
    newwindow=window.open(<\/code>'<?=$loginUrl?>'<\/code>,<\/code>'Login_by_facebook'<\/code>,features);<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    This is the code that will open the popup window.\u00a0features<\/strong>\u00a0is a string that contains some parameters for the outlook of the popup window.<\/p>\n

    Step 4: Add this html code of the login\/logout buttons<\/strong><\/p>\n

    \n
    \n\n\n\n
    \n
    1<\/div>\n
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    9<\/div>\n<\/td>\n
    		\n
    \n
    <?php <\/code>if<\/code> (<\/code>$fbme<\/code>) { ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0<\/code><a href=<\/code>\"<?=$logoutUrl?>\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><img src=<\/code>\"http:\/\/static.ak.fbcdn.net\/rsrc.php\/z2Y31\/hash\/cxrz4k7j.gif<\/a>\"<\/code> border=<\/code>\"0\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/a><\/code><\/div>\n
    \u00a0<\/code><?php } <\/code>else<\/code>{ ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0<\/code><a href=<\/code>\"#\"<\/code> onclick=<\/code>\"login();return false;\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><img src=<\/code>\"http:\/\/static.ak.fbcdn.net\/rsrc.php\/zB6N8\/hash\/4li2k73z.gif<\/a>\"<\/code> border=<\/code>\"0\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/a><\/code><\/div>\n
    \u00a0<\/code><?php } ?><\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    That\u2019s it.\u00a0Check the demo<\/a>\u00a0its exactly looking the same as facebook javascript based authentication window.<\/p>\n

    And this technique also solved my friends problem of redirecting issue.<\/p>\n

    Download\u00a0fbmain.php from here<\/a>\u00a0and\u00a0facebook.php from facebook<\/a><\/p>\n

    Full Source Code of\u00a0index.php<\/strong><\/p>\n

    \n
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    		\n
    \n
    <?php<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>include_once<\/code> \"fbmain.php\"<\/code>;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>$config<\/code>[<\/code>'baseurl'<\/code>]\u00a0 =\u00a0\u00a0 <\/code>\"http:\/\/thinkdiff.net\/demo\/newfbconnect1\/fbpopup\/index.php<\/a>\"<\/code>;<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>\/\/ login or logout url will be needed depending on current user state.<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (<\/code>$fbme<\/code>) {<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$logoutUrl<\/code> = <\/code>$facebook<\/code>->getLogoutUrl(<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>array<\/code>(<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'next'<\/code>\u00a0\u00a0\u00a0\u00a0\u00a0 => <\/code>$config<\/code>[<\/code>'baseurl'<\/code>],<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>)<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>);<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>} <\/code>else<\/code> {<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$loginUrl<\/code> = <\/code>$facebook<\/code>->getLoginUrl(<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>array<\/code>(<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'display'<\/code>\u00a0\u00a0 => <\/code>'popup'<\/code>,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'next'<\/code>\u00a0\u00a0\u00a0\u00a0\u00a0 => <\/code>$config<\/code>[<\/code>'baseurl'<\/code>] . <\/code>'?loginsucc=1'<\/code>,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'cancel_url'<\/code>=> <\/code>$config<\/code>[<\/code>'baseurl'<\/code>] . <\/code>'?cancel=1'<\/code>,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'req_perms'<\/code> => <\/code>'email,user_birthday'<\/code>,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>)<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>);<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>\/\/ if user click cancel in the popup window<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (isset(<\/code>$_REQUEST<\/code>[<\/code>'cancel'<\/code>])){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>echo<\/code> \"<script><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>window.close();<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/script>\";<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (<\/code>$fbme<\/code> && isset(<\/code>$_REQUEST<\/code>[<\/code>'loginsucc'<\/code>])){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/only if valid session found and loginsucc is set<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/after facebook redirects it will send a session parameter as a json value<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/now decode them, make them array and sort based on keys<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$sortArray<\/code> = get_object_vars(json_decode(<\/code>$_GET<\/code>[<\/code>'session'<\/code>]));<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>ksort(<\/code>$sortArray<\/code>);<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$strCookie<\/code>\u00a0 =\u00a0\u00a0 <\/code>\"\"<\/code>;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$flag<\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 =\u00a0\u00a0 false;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>foreach<\/code>(<\/code>$sortArray<\/code> as<\/code> $key<\/code>=><\/code>$item<\/code>){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (<\/code>$flag<\/code>) <\/code>$strCookie<\/code> .= <\/code>'&'<\/code>;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$strCookie<\/code> .= <\/code>$key<\/code> . <\/code>'='<\/code> . <\/code>$item<\/code>;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$flag<\/code> = true;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/now set the cookie so that next time user don't need to click login again<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>setCookie(<\/code>'fbs_'<\/code> . <\/code>\"{$fbconfig['appid']}\"<\/code>, <\/code>$strCookie<\/code>);<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>echo<\/code> \"<script><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>window.close();<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>window.opener.location.reload();<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/script>\";<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>\/\/if user is logged in and session is valid.<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (<\/code>$fbme<\/code>){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/Retriving movies those are user like using graph api<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>try<\/code>{<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$movies<\/code> = <\/code>$facebook<\/code>->api(<\/code>'\/me\/movies'<\/code>);<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>catch<\/code>(Exception <\/code>$o<\/code>){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>d(<\/code>$o<\/code>);<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/Calling users.getinfo legacy api call example<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>try<\/code>{<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$param<\/code>\u00a0 =\u00a0\u00a0 <\/code>array<\/code>(<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'method'<\/code>\u00a0 => <\/code>'users.getinfo'<\/code>,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'uids'<\/code>\u00a0\u00a0\u00a0 => <\/code>$fbme<\/code>[<\/code>'id'<\/code>],<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'fields'<\/code>\u00a0 => <\/code>'name,current_location,profile_url'<\/code>,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'callback'<\/code>=> <\/code>''<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>);<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$userInfo<\/code>\u00a0\u00a0 =\u00a0\u00a0 <\/code>$facebook<\/code>->api(<\/code>$param<\/code>);<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>catch<\/code>(Exception <\/code>$o<\/code>){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>d(<\/code>$o<\/code>);<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/update user's status using graph api<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (isset(<\/code>$_POST<\/code>[<\/code>'tt'<\/code>])){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>try<\/code> {<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$statusUpdate<\/code> = <\/code>$facebook<\/code>->api(<\/code>'\/me\/feed'<\/code>, <\/code>'post'<\/code>, <\/code>array<\/code>(<\/code>'message'<\/code>=> <\/code>$_POST<\/code>[<\/code>'tt'<\/code>], <\/code>'cb'<\/code> => <\/code>''<\/code>));<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>} <\/code>catch<\/code> (FacebookApiException <\/code>$e<\/code>) {<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>d(<\/code>$e<\/code>);<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/fql query example using legacy method call and passing parameter<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>try<\/code>{<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/get user id<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$uid<\/code>\u00a0\u00a0\u00a0 = <\/code>$facebook<\/code>->getUser();<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>\/\/or you can use $uid = $fbme['id'];<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$fql<\/code>\u00a0\u00a0\u00a0 =\u00a0\u00a0 <\/code>\"select name, hometown_location, sex, pic_square from user where uid=\"<\/code> . <\/code>$uid<\/code>;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$param<\/code>\u00a0 =\u00a0\u00a0 <\/code>array<\/code>(<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'method'<\/code>\u00a0\u00a0\u00a0 => <\/code>'fql.query'<\/code>,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'query'<\/code>\u00a0\u00a0\u00a0\u00a0 => <\/code>$fql<\/code>,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'callback'<\/code>\u00a0 => <\/code>''<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>);<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>$fqlResult<\/code>\u00a0\u00a0 =\u00a0\u00a0 <\/code>$facebook<\/code>->api(<\/code>$param<\/code>);<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>catch<\/code>(Exception <\/code>$o<\/code>){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>d(<\/code>$o<\/code>);<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    ?><\/code><\/div>\n
    <!DOCTYPE html><\/code><\/div>\n
    <html xmlns=<\/code>\"http:\/\/www.w3.org\/1999\/xhtml<\/a>\"<\/code> xmlns:fb=<\/code>\"http:\/\/www.facebook.com\/2008\/fbml<\/a>\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><head><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><meta http-equiv=<\/code>\"Content-Type\"<\/code> content=<\/code>\"text\/html; charset=UTF-8\"<\/code>\/><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><title>Create your own Facebook PopUp Authentication Window using php <\/code>and<\/code> javascript | Thinkdiff.net<\/title><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><\/head><\/code><\/div>\n
    <body><\/code><\/div>\n
    <style type=<\/code>\"text\/css\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>.box{<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>margin: 5px;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>border: 1px solid #60729b;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>padding: 5px;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>width: 500px;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>height: 200px;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>overflow:auto;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>background-color: #e6ebf8;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    <\/style><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><script type=<\/code>\"text\/javascript\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php <\/code>if<\/code> (<\/code>$loginUrl<\/code>) { ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>var<\/code> newwindow;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>var<\/code> intId;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>function<\/code> login(){<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>var<\/code>\u00a0 screenX\u00a0\u00a0\u00a0 = typeof window.screenX != <\/code>'undefined'<\/code> ? window.screenX : window.screenLeft,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>screenY\u00a0\u00a0\u00a0 = typeof window.screenY != <\/code>'undefined'<\/code> ? window.screenY : window.screenTop,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>outerWidth = typeof window.outerWidth != <\/code>'undefined'<\/code> ? window.outerWidth : document.body.clientWidth,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>outerHeight = typeof window.outerHeight != <\/code>'undefined'<\/code> ? window.outerHeight : (document.body.clientHeight - 22),<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>width\u00a0\u00a0\u00a0 = 500,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>height\u00a0\u00a0 = 270,<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>left\u00a0\u00a0\u00a0\u00a0 = parseInt(screenX + ((outerWidth - width) \/ 2), 10),<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>top\u00a0\u00a0\u00a0\u00a0\u00a0 = parseInt(screenY + ((outerHeight - height) \/ 2.5), 10),<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>features = (<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>'width='<\/code> + width +<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>',height='<\/code> + height +<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>',left='<\/code> + left +<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>',top='<\/code> + top<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>);<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>newwindow=window.open(<\/code>'<?=$loginUrl?>'<\/code>,<\/code>'Login_by_facebook'<\/code>,features);<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>if<\/code> (window.focus) {newwindow.focus()}<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>return<\/code> false;<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php } ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><\/script><\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><h3>Create your own Facebook PopUp Authentication Window using php <\/code>and<\/code> javascript | Thinkdiff.net<\/h3><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><?php <\/code>if<\/code> (!<\/code>$fbme<\/code>) { ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>You've to login using FB Login Button to see api calling result.<\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><?php } ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><p><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php <\/code>if<\/code> (<\/code>$fbme<\/code>) { ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><a href=<\/code>\"<?=$logoutUrl?>\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><img src=<\/code>\"http:\/\/static.ak.fbcdn.net\/rsrc.php\/z2Y31\/hash\/cxrz4k7j.gif<\/a>\"<\/code> border=<\/code>\"0\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/a><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php } <\/code>else<\/code>{ ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><a href=<\/code>\"#\"<\/code> onclick=<\/code>\"login();return false;\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><img src=<\/code>\"http:\/\/static.ak.fbcdn.net\/rsrc.php\/zB6N8\/hash\/4li2k73z.gif<\/a>\"<\/code> border=<\/code>\"0\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/a><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php } ?><\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><\/p><\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><!-- all time check <\/code>if<\/code> user session is valid <\/code>or<\/code> not --><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><?php <\/code>if<\/code> (<\/code>$fbme<\/code>){ ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><table border=<\/code>\"0\"<\/code> cellspacing=<\/code>\"3\"<\/code> cellpadding=<\/code>\"3\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><tr><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><td><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><!-- Data retrived from user profile are shown here --><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><div <\/code>class<\/code>=<\/code>\"box\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><b>User Information using Graph API<\/b><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php d(<\/code>$fbme<\/code>); ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/div><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/td><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><td><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><div <\/code>class<\/code>=<\/code>\"box\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><b>User likes these movies | using graph api<\/b><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php d(<\/code>$movies<\/code>); ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/div><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/td><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/tr><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><tr><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><td><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><div <\/code>class<\/code>=<\/code>\"box\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><b>User Information by Calling Legacy API method <\/code>\"users.getinfo\"<\/code><\/b><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php d(<\/code>$userInfo<\/code>); ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/div><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/td><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><td><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><div <\/code>class<\/code>=<\/code>\"box\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><b>FQL Query Example by calling Legacy API method <\/code>\"fql.query\"<\/code><\/b><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php d(<\/code>$fqlResult<\/code>); ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/div><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/td><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/tr><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><\/table><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><div <\/code>class<\/code>=<\/code>\"box\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><form name=<\/code>\"\"<\/code> action=<\/code>\"<?=$config['baseurl']?>\"<\/code> method=<\/code>\"post\"<\/code>><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><label <\/code>for<\/code>=<\/code>\"tt\"<\/code>>Status update using Graph API<\/label><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><br \/><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><textarea id=<\/code>\"tt\"<\/code> name=<\/code>\"tt\"<\/code> cols=<\/code>\"50\"<\/code> rows=<\/code>\"5\"<\/code>>Write your status here <\/code>and<\/code> click <\/code>'Update My Status'<\/code><\/textarea><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><br \/><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><input type=<\/code>\"submit\"<\/code> value=<\/code>\"Update My Status\"<\/code> \/><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><\/form><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php <\/code>if<\/code> (isset(<\/code>$statusUpdate<\/code>)) { ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><br \/><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><b style=<\/code>\"color: red\"<\/code>>Status Updated Successfully! Status id is <?=<\/code>$statusUpdate<\/code>[<\/code>'id'<\/code>]?><\/b><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code><?php } ?><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><\/div><\/code><\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><?php } ?><\/code><\/div>\n
    <\/div>\n
    \u00a0\u00a0\u00a0\u00a0<\/code><\/body><\/code><\/div>\n
    <\/html><\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

    I hope this article will help to a clear view of popup authentication. You can use my techniques to create popup authentication for twitter, linkedin, other mashup service and your own authentication system.<\/p>\n","protected":false},"excerpt":{"rendered":"

      1 2 3 4 5 6 7 FB.Event.subscribe(‘auth.login’, function(response) { \u00a0\u00a0\u00a0\u00a0\/\/ do something with response \u00a0\u00a0\u00a0\u00a0\u00a0login(); }); function login(){ \u00a0\u00a0\u00a0\u00a0document.location.href = “<?=$config[‘baseurl’]?>”; } I tested the code in various server but the problem occurs only in his server. Then I think to solve the problem using php-sdk generated login code.   In the\u00a0official example\u00a0you\u2019ll […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0},"categories":[10],"tags":[],"_links":{"self":[{"href":"https:\/\/a1webdesignteam.com\/blog\/wp-json\/wp\/v2\/posts\/516"}],"collection":[{"href":"https:\/\/a1webdesignteam.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/a1webdesignteam.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/a1webdesignteam.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/a1webdesignteam.com\/blog\/wp-json\/wp\/v2\/comments?post=516"}],"version-history":[{"count":0,"href":"https:\/\/a1webdesignteam.com\/blog\/wp-json\/wp\/v2\/posts\/516\/revisions"}],"wp:attachment":[{"href":"https:\/\/a1webdesignteam.com\/blog\/wp-json\/wp\/v2\/media?parent=516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/a1webdesignteam.com\/blog\/wp-json\/wp\/v2\/categories?post=516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/a1webdesignteam.com\/blog\/wp-json\/wp\/v2\/tags?post=516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}