Fatal error: Cannot use object of type stdClass as array in.. functions.php

Question

found this code online and it worked then all of a sudden one day i get "Fatal error: Cannot use object of type stdClass as array in.. functions.php" on this line $count = absint( $json[0]->total_count );

function ds_post_like_count( $post_id ) {

  // Check for transient
  if ( ! ( $count = get_transient( 'ds_post_like_count' . $post_id ) ) ) {

    // Setup query arguments based on post permalink
    $fql  = "SELECT url, ";
    //$fql .= "share_count, "; // total shares
    //$fql .= "like_count, "; // total likes
    //$fql .= "comment_count, "; // total comments
    $fql .= "total_count "; // summed total of shares, likes, and comments (fastest query)
    $fql .= "FROM link_stat WHERE url = '" . get_permalink( $post_id ) . "'";

    // Do API call
    $response = wp_remote_retrieve_body( wp_remote_get( 'https://api.facebook.com/method/fql.query?format=json&query=' . urlencode( $fql ) ) );

    // If error in API call, stop and don't store transient
    if ( is_wp_error( $response ) )
      return 'error';

    // Decode JSON
    **$json = json_decode( $response );**

    // Set total count
    $count = absint( $json[0]->total_count );

    // Set transient to expire every 30 minutes
    set_transient( 'ds_post_like_count' . $post_id, absint( $count ), 30 * MINUTE_IN_SECONDS );

  }

 return absint( $count );

} /** Facebook End  */

function ds_social_media_icons() {



 // Get the post ID
  $post_id = get_the_ID(); ?>
   <?php print_r($response) ?>
  <div class="social-icons-wrap">
    <ul class="social-icons">
        <!-- Facebook Button-->
        <li class="social-icon facebook">
            <a onclick="javascript:popupCenter('https://www.facebook.com/sharer/sharer.php?u=<?php the_permalink(); ?>&amp;appId=XXX_YOUR_FACEBOOK_APP_ID','Facebook Share', '540', '400');return false;" href="https://www.facebook.com/sharer/sharer.php?u=<?php the_permalink(); ?>&amp;appId=XXX_YOUR_FACEBOOK_APP_ID" target="blank"><i class="fa fa-facebook"></i> Share </a><span class="share-count"><?php echo ds_post_like_count( $post_id ); ?></span>
        </li>
        <!-- Twitter Button -->
        <li class="social-icon twitter">
            <a onclick="javascript:popupCenter('https://twitter.com/share?&amp;url=<?php the_permalink(); ?>&amp;text=<?php the_title(); ?>&amp;via=XXX_YOUR_TWITTER_HANDLE','Tweet', '540', '400');return false;" href="https://twitter.com/share?&amp;url=<?php the_permalink(); ?>&amp;text=<?php the_title(); ?>&amp;via=XXX_YOUR_TWITTER_HANDLE" target="blank"><i class="fa fa-twitter"></i> Tweet </a><span class="share-count"><?php echo ds_post_tweet_count( $post_id ); ?></span>
        </li>       
    </ul>
  </div><!-- .social-icons-wrap -->

<?php }
/* DON'T DELETE THIS CLOSING TAG */ ?>

Community · Accepted Answer · 2017-04-13 12:37:28Z

0

To use output as an array, you need to set the second parameter to true.

if( ! is_wp_error( $response ) 
        && isset( $response['response']['code'] )        
        && 200 === $response['response']['code'] )
    {
        $body = wp_remote_retrieve_body( $response );
        $fb   = json_decode( $body );

        if( ! isset( $fb->likes ) && isset( $fb->shares ) )
        {
            $fb->likes = $fb->shares;
        }

        if( isset( $fb->likes ) )
        {
            $myfblikes = sprintf( '%04s', (int) $fb->likes );
            update_post_meta( $post->ID, 'fb_likes', $myfblikes );
       }
    }

you can refer to this,

edited Apr 13, 2017 at 12:37

CommunityBot

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answered Aug 24, 2016 at 0:42

LF-DevJourney

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8 Comments

Joe Barrett Over a year ago

$json = json_decode($response, true ); this ends up not letting the search results render.. is saw that as a solution on a few sites but doesn't work for this for whatever reason , thanks though

LF-DevJourney Over a year ago

print_r($response) is what?

Joe Barrett Over a year ago

pardon my php ignorance, i added "print_r....." to the area of the functions php that renders the results. but the error is 10 lines before it so it stops at the 'Fatal error: Cannot use object of type stdClass as array in..' where is the best place to add the print. like i said sorry i don't do much php

LF-DevJourney Over a year ago

from the error, the $response is not a json string. it may be a object, you can use the gettype() to see what the type is.

Joe Barrett Over a year ago

i need to research how to use gettype(),until then, could a php update or something on the server be interfering with json? or is it pretty clear it is in in the code from that error. I ask because it worked for months until today. I appreciate all your help.

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