Processwire example import scrip

import_example.php

<?php namespace ProcessWire;

/**
 * 
 * Import images from a CSV from WP (or wherever).
 * In this case CSV has image path and page alias.
 * 
 */

include("index.php"); 

echo '<table><thead><tr><th>Exists</th><th>Page name</th><th>image</th></tr></thead>';
echo '<tbody>';

if (($handle = fopen("thumbails-201109.csv", "r")) !== FALSE) {
    while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {

        $pn=$data[1];
        
        echo '<tr>';
       
        if($pn){
            $p=$pages->get("template=post,name={$pn}");

            if($p->id){

                if($p->page_featured_image){

                    // ok - if we don't already have an image try and add the one listed in the CSV
                    if(!$p->page_featured_image->count){

                        echo '<td>OK </td>' . PHP_EOL;
                        echo '<td>' . $pn . '</td>' . PHP_EOL;

                        $p->setOutputFormatting(false);
                        $p->page_featured_image->removeAll(); 
                        $p->page_featured_image->add("{$data[0]}");
                        $p->save();

                        echo '<td>Added: ' . $data[0] . '</td>' . PHP_EOL;

                    }
                }

            }else{
                echo '<td>404 </td>' . PHP_EOL;
                echo '<td>' . $pn . '</td>' . PHP_EOL;
                echo '<td></td>' . PHP_EOL;
            }
        }

        echo '</tr>';
     
    }
    fclose($handle);
}else{
    echo 'cant open thumbmnails.csv';
}