simple helper

csv.php

<?php
function csv_write($filename, $data){
    $fp = fopen($filename, 'w');

    foreach ($data as $fields) {
        fputcsv($fp, $fields);
    }

    fclose($fp);
}

function csv_read($filename){

    $row = 1;
    if (($handle = fopen($filename, "r")) !== FALSE) {
        $data = [];
        $columnnames = fgetcsv($handle, 1024);

        while ($rows = fgetcsv($handle)) {
            $arr = array();
            $row = array_combine($columnnames, $rows);
            $data[] = $row;
        }
        
        return $data;
    }

    return null;
}