A PHP Error was encountered

Severity: 8192

Message: Facebook\FacebookApp implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary)

Filename: facebook-php-graph-sdk/FacebookApp.php

Line Number: 29

Backtrace:

File: /home/wepicedit/public_html/application/third_party/facebook-php-graph-sdk/FacebookApp.php
Line: 29
Function: _error_handler

File: /home/wepicedit/public_html/application/third_party/facebook-php-graph-sdk/autoload.php
Line: 79
Function: require

File: /home/wepicedit/public_html/application/third_party/facebook-php-graph-sdk/Facebook.php
Line: 145
Function: {closure}

File: /home/wepicedit/public_html/application/libraries/Facebook.php
Line: 55
Function: __construct

File: /home/wepicedit/public_html/application/controllers/Facebookauth.php
Line: 9
Function: library

File: /home/wepicedit/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: http_build_query(): Passing null to parameter #2 ($numeric_prefix) of type string is deprecated

Filename: Authentication/OAuth2Client.php

Line Number: 146

Backtrace:

File: /home/wepicedit/public_html/application/third_party/facebook-php-graph-sdk/Authentication/OAuth2Client.php
Line: 146
Function: http_build_query

File: /home/wepicedit/public_html/application/third_party/facebook-php-graph-sdk/Helpers/FacebookRedirectLoginHelper.php
Line: 128
Function: getAuthorizationUrl

File: /home/wepicedit/public_html/application/third_party/facebook-php-graph-sdk/Helpers/FacebookRedirectLoginHelper.php
Line: 142
Function: makeUrl

File: /home/wepicedit/public_html/application/libraries/Facebook.php
Line: 135
Function: getLoginUrl

File: /home/wepicedit/public_html/application/controllers/Facebookauth.php
Line: 78
Function: login_url

File: /home/wepicedit/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/wepicedit/public_html/system/core/Exceptions.php:272)

Filename: helpers/url_helper.php

Line Number: 565

Backtrace:

File: /home/wepicedit/public_html/application/controllers/Facebookauth.php
Line: 78
Function: redirect

File: /home/wepicedit/public_html/index.php
Line: 315
Function: require_once