librex/misc/tools.php

<?php
    function get_base_url($url)
    {
        $split_url = explode("/", $url);
        $base_url = $split_url[0] . "//" . $split_url[2] . "/";
        return $base_url;
    }

    function get_xpath($response)
    {
        $htmlDom = new DOMDocument;
        @$htmlDom->loadHTML($response);
        $xpath = new DOMXPath($htmlDom);

        return $xpath;
    }

    function request($url)
    {
        require "config.php";

        $ch = curl_init($url);
        curl_setopt_array($ch, $config_curl_settings);
        $response = curl_exec($ch);

        return $response;
    }

    function human_filesize($bytes, $dec = 2) 
    {
        $size   = array('B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
        $factor = floor((strlen($bytes) - 1) / 3);

        return sprintf("%.{$dec}f ", $bytes / pow(1024, $factor)) . @$size[$factor];
    }

    function print_next_page_button($text, $page, $query, $type) 
    {
        echo "<form id=\"page\" action=\"search.php\" target=\"_top\" method=\"post\" enctype=\"multipart/form-data\" autocomplete=\"off\">";
        echo "<input type=\"hidden\" name=\"p\" value=\"" . $page . "\" />";
        echo "<input type=\"hidden\" name=\"q\" value=\"$query\" />";
        echo "<input type=\"hidden\" name=\"type\" value=\"$type\" />";
        echo "<button type=\"submit\">$text</button>";
        echo "</form>"; 
    }
?>