Question

Problem: There should be a bunch of rows being inserted into the database via $wpdb->insert, but no new rows are created.

Background:

• I’ve checked the query in PhpMyAdmin and it returns 178 rows.
• This is for a WordPress plugin with a function that fires on ‘init’.
• Have tried various var_dump’s and still variables $object_id and $taxo_id appear to be empty.

Please help!

<?php
    function cb_t2c_cat_updater () {
    global $wpdb;
    $prefix = $wpdb->prefix;

    //This is a truncated version of the valid SQL query, returns 178 rows
      $cb_t2c_cat_update = $wpdb->get_results("SELECT
      ".$prefix."associations.object_id as 'object_id', ".$prefix."associations.term_taxonomy_id as 'taxo_id', ".$prefix."associations.term_id as 'term_id', ".$prefix."associations.cat_ID as 'cat_ID'
    FROM ...
    WHERE...
    ORDER BY object_id ASC, term_id ASC, cat_ID ASC",ARRAY_A);

    foreach ($cb_t2c_cat_update as $values) {
        $table = $prefix . 'term_relationships';
        $object_id = $values['object_id'];
        $taxo_id = $values['taxo_id'];
        $wpdb->insert(
            $table, 
            array( 
                'object_id' => $object_id, 
                'term_taxonomy_id' => $taxo_id,
                'term_order' => 0
                ), 
            array( 
                '%d', 
                '%d',
                '%d',
                    ) 
            );
        }
    }

add_action('init', 'cb_t2c_cat_updater');

?>

Answer 1

Have a working solution.
Made the variables integers through:

 $num_object_id = (int)$object_id

and then passed these into a query like:

$wpdb->query("INSERT INTO... ")