Export dhcp static hosts to csv file on pfSense

export_static_dhcp.php

<?php

require_once('config.inc');

$dhcp = $config['dhcpd'];
if (!empty($dhcp)) {
        foreach ($dhcp as $name => $iface) {
                if (!empty($iface['staticmap'])) {
                        file_put_contents("/root/{$name}.csv", "mac;ip;hostname;descr\n");
                        foreach ($iface['staticmap'] as $static) {
                                file_put_contents("/root/{$name}.csv", "{$static['mac']};{$static['ipaddr']};{$static['hostname']};{$static['descr']}\n", FILE_APPEND);
                        }
                }
        }
}

?>