Word Press 2.0 Trackback fix revisit

After follow Ah Knight’s instruction of updating wp_posts to_ping column, it seem like I can’t perform normal trackback again. I got it fix and download the files here. Or read below for more details, there are 2 files need to be change, which is;

  • wp-includes/function-posts.php
  • wp-admin/execute-pings.php

file: wp-includes/function-post.php
line of code: 700

if ( empty($to_ping) )
return;

Instead of doing nothing here, we replace the return; to Ah Knight’s code, become;

if ( empty($to_ping) ) {
$wpdb->query("UPDATE $wpdb->posts SET to_ping = '' WHERE ID = '$post_id'");
return;
}

file: wp-admin/execute-pings.php
line of code: 22

while ($trackback = $wpdb->get_row("SELECT ID FROM $wpdb->posts WHERE TRIM(to_ping) != '' AND post_status != 'draft' LIMIT 1")) {
echo "Trackback : $trackback->ID
";
do_trackbacks($trackback->ID);
}

Some changes made here, make sure to_ping field is clean and make a trackbacks looping!

$trackbacks = $wpdb->get_results("SELECT ID FROM $wpdb->posts WHERE TRIM(to_ping) != '' AND post_status != 'draft'");

if (is_array($trackbacks) && count($trackbacks)) {
foreach ($trackbacks as $trackback ) {
echo "Trackback : $trackback->ID
";
do_trackbacks($trackback->ID);
}
}

Done, if you not sure what am I explaning above, you can download the file here in zip format, if you are worry the code is not working, backup your original file.

Happy Trackback!

15 Replies to “Word Press 2.0 Trackback fix revisit”

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  3. My trackbacks quit working ever since I made the mistake of upgrading from 1.5 to 2.0.

    They fixed it partially last March (I believe) but now they are back to not working at all.

    With this fix I can receive trackbacks but can not send them.

  4. I’m using WP 2.1 and I can’t find those lines in the files you mentioned above. I’m having problems with receiving trackbacks but not sending. Hope someone can help me with this. Thanks! 🙂

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