Save fields in ProcessWire from .csv file

save-fields-from-csv.php

<?php

// Bootstrap ProcessWire
include 'index.php';

// Process CSV
$rows = array_map('str_getcsv', file('fields.csv'));
$header = array_shift($rows);
$fields = array();
foreach ($rows as $row) {
  $fields[] = array_combine($header, $row);
}

// Get fieldgroup
$fg = wire('templates')->get('product')->fieldgroup;

$i = 1;
foreach ($fields as $field) {

    // Create field
    $f = new Field();

    // For example save these properties
    // $f->type = wire('modules')->get($field['type']);
    // $f->name = $field['name'] . '_skip_' . $i++;
    // $f->label = $field['label'];
    // $f->tags = $field['tags'];
    // $f->useRoles = 1; 
    // $f->viewRoles = explode('|', $field['viewRoles']); // Explode on | to store ProcessWire arrays
    // $f->editRoles = explode('|', $field['editRoles']); // Explode on | to store ProcessWire arrays

    // First save field
    $f->save();

    // Add field to fieldgroup
    $fg->add($f);

    // Save fieldgroep
    $fg->save();

    // Output on screen
    echo 'done: ' . $f->name . "<hr>";

}