My Coding Reference

 Sign in with Facebook notes  visit  Facebook for Developers  website.   Then login through your Account. Click on Get Started and verify your account. Now , We have create new app for that click on Create App button. after that , select Facebook login   through   web .  Insert the sdk code in web page and place your app id in code properly . download facebook sdk in your project folder root. using command composer require facebook/graph-sdk Create config.php file Add following code in  config.php  file <?php //start session on web page session_start ();    $fb  =   new  \Facebook\ Facebook ([      'app_id'  =>  '379937770193328' ,      'app_secret'  =>  '969eba7d010dc91ca38213ef3ba6fb56' ,      'default_graph_version'  =>  'v3.0' ]); ? >   in index.php file include...

 sign in with Google Account in php , notes Error :    Warning: count(): Parameter must be an array or an object that implements Countable in C:\xampp\htdocs\coretechtive\vendor\guzzlehttp\guzzle\src\Handler\CurlFactory.php on line 67 Solution :  The problem is in PHP 7.2 the parameter for count() can't be NULL. The warning gets displayed when $this->handles equals NULL. Just replace line 67 in CurlFactory.php with the following: if (($this->handles ? count($this->handles) : 0) >= $this->maxHandles) { Error : Notice : Undefined index: expires_in in  C:\xampp\htdocs\coretechtive\vendor\google\apiclient\src\Google\Client.php  on line  470 Solution  :       $expired  = ( $created       + ( $this -> token [ 'expires_in' ] -  30 )) <  time (); replace above with  below : $expired  = ( $created ) <  time (); Error : ...