function exporter()
{
    $current_url = $_SERVER['REQUEST_URI'];
    $min_link = explode('/', $current_url);
    //$cons = mysql_real_escape_string($_GET['ec']);
    //$type = mysql_real_escape_string($_GET['t']);
    $cons = $_GET['ec'];
    $type = $_GET['t'];
    if (is_numeric($cons) && $cons > 0) {
        //$filename = $min_link[1].'_comments_'.$cons;
        $filename = 'comments_' . $cons;
        if ($type == 'xls') {
            get_comments_xls($filename, $cons);
        }
        if ($type == 'json') {
            get_comments_json($cons);
        }
        if ($type == 'xml') {
            get_comments_xml($filename, $cons);
        }
    }
}
<?php

$current_url = $_SERVER['REQUEST_URI'];
$min_link = explode('/', $current_url);
$cons = mysql_real_escape_string($_GET['ec']);
$type = mysql_real_escape_string($_GET['t']);
if (is_numeric($cons) && $cons > 0) {
    $filename = $min_link[1] . '_comments_' . $cons;
    if ($type == 'xls') {
        get_comments_xls($filename, $cons);
    }
}