Script to convert a csv file into Sugar php dropdowns

csv_to_sugar_php_dropdown.php

<?php

// example dropdowns.csv content
// "ddname","key1","value1"
// "ddname","key2","value2"

$fileName = 'dropdowns.csv';
if (file_exists($fileName)) {
    $file = fopen($fileName, 'r');
    $dd = [];
    while (($line = fgetcsv($file)) !== FALSE) {
        if (count($line) === 3) {
            // clean ddname
            $ddname = preg_replace('/[^a-z0-9]/', '_', strtolower($line[0])); 
            // clean keys
            $key = preg_replace('/[^a-z0-9]/', '_', strtolower($line[1])); 
            $val = $line[2];
            echo "\$app_list_strings['" . $ddname . "']['" . $key . "'] = '" . $val . "';" . PHP_EOL;
        } else {
            echo 'The file format is invalid, it should have 3 CSV columns for each row: "ddname","key","value", provided instead ' . print_r($line, true) . PHP_EOL;
        }
    }
    fclose($file);
}