functions.php

<?php
set_time_limit(500);

function LoadSessions($UID, $UFID, $UFN, $ULN, $UG, $UE, $UAT){
    $_SESSION["UserID"] = $UID;
    $_SESSION["UserFacebookID"] = $UFID;
    $_SESSION["UserFirstName"] = $UFN;
    $_SESSION["UserLastName"] = $ULN;
    $_SESSION["UserGender"] = $UG;
    $_SESSION["UserEmail"] = $UE;
    $_SESSION["UserAccessToken"] = $UAT;
}


/**
 * Keeping users connected
 */
if(!isset($_SESSION["UserID"]) && isset($_COOKIE["x9Ls4"])){
	include_once('connectPDO.php');
	$logged = filter_var($_COOKIE["x9Ls4"], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
	$logUser = $db->prepare("SELECT UserID, UserFacebookID, UserFirstName, UserLastName, UserGender, UserEmail, UserAccessToken FROM Users WHERE UserKeepLogged = ?");
	$logUser->execute(array($logged));
	while($d = $logUser->fetch()){
        LoadSessions($d["UserID"], $d["UserFacebookID"], $d["UserFirstName"], $d["UserLastName"], $d["UserGender"], $d["UserEmail"], $d["UserAccessToken"]);
	}
}
 
//GENERATES A RANDOM STRING (Could be used to make a randon password)
function randomPassword() {
    $alphabet = "abcdefghijklmnopqrstuwxyzABCDEFGHIJKLMNOPQRSTUWXYZ0123456789";
    $pass = array(); //remember to declare $pass as an array
    $alphaLength = strlen($alphabet) - 1; //put the length -1 in cache
    for ($i = 0; $i < 8; $i++) {
        $n = rand(0, $alphaLength);
        $pass[] = $alphabet[$n];
    }
    return implode($pass); //turn the array into a string
}

//ENCRYT A PASSWORD
function encryptPass($pass){
	return sha1(md5($pass));
}


//Make any string SEO friendly
function seoURL($string){
    $string = html_entity_decode($string, ENT_QUOTES, "utf-8");
    /*$string = htmlentities($string, ENT_COMPAT, "UTF-8", false); 
    $string = preg_replace('/&([a-z]{1,2})(?:acute|lig|grave|ring|tilde|uml|cedil|caron);/i','\1',$string);
    $string = html_entity_decode($string,ENT_COMPAT, "UTF-8"); 
    $string = strtolower($string);
    */
    $string = preg_replace('/[^a-z0-9-]+/i', '-', $string);
    $string = preg_replace('/-+/', '-', $string);
    $string = trim($string, '-');
    $string = ($string != "")? $string : "user";
    return $string;
}


function ClickableLinks($s) {
  return preg_replace('/(https?:\/\/([-\w\.]+[-\w])+(:\d+)?(\/([\w\/_\.#-]*(\?\S+)?[^\.\s])?)?)/i', '<a href="$1" target="_blank" rel="nofollow">$1</a>', $s);
}


//Format Headlines & content (first letters uppercase)
function FormateThis($input){
	return preg_replace_callback('/([.!?])\s*(\w)/', function ($matches) {
	    return strtoupper($matches[1] . ' ' . $matches[2]);
	}, ucfirst(strtolower($input)));
}

function FirstLetter($input){
	return ucfirst($input);
}

//KEEP USER LOGGED IN HASH (Security purposes)
function KeepLoginHash($email, $pass){
	return hash('sha256', sha1($email.$pass.$GLOBALS["PassHash"]));
}

//SPLIT PHRASES (excerpt)
function tokenTruncate($string, $your_desired_width) {
  $parts = preg_split('/([\s\n\r]+)/', $string, null, PREG_SPLIT_DELIM_CAPTURE);
  $parts_count = count($parts);

  $length = 0;
  $last_part = 0;
  for (; $last_part < $parts_count; ++$last_part) {
	$length += strlen($parts[$last_part]);
	if ($length > $your_desired_width) { break; }
  }

  $last_part = ($last_part)? $last_part : 1;
  $last_part = implode(array_slice($parts, 0, $last_part));
  return substr($last_part, 0, $your_desired_width);
}

function priceSep($num){
	return "kr. ".number_format($num,null,null,".").",-";
}

//excerpt 2
function shorten_text($string, $max_length = 140, $cut_off = '...')
{
  $string = strip_tags($string);
  // truncate string
  $stringCut = substr($string, 0, $max_length);
  $endPoint = strrpos($stringCut, ' ');

  //if the string doesn't contain any space then it will cut without word basis.
  $string = $endPoint? substr($stringCut, 0, $endPoint) : substr($stringCut, 0);
  return $string .= $cut_off = '...';
}

function ago($time, $siden=true, $removeTime=false, $reverse=false, $switch = 172800, $morgen=false){
   $periods = array("sekunder", "minutter", "timer", "dage", "uger", "måneder", "år", "årtier");
   $lengths = array("60","60","24","7","4.35","12","10");

   $TwoDaysAgo = ($reverse)? time() + $switch : time() - $switch;
   $removeTime = ($removeTime)? "" : " H:i";

   if($reverse){
		if($time >= $TwoDaysAgo) return date("d-m-Y{$removeTime}", $time);
   }else{
   		if($time <= $TwoDaysAgo) return date("d-m-Y{$removeTime}", $time);
   }


   $now = time();

	   $difference     = ($reverse)? $time - $now : $now - $time;

	   if($morgen){

		   if($difference < 0) return "I dag";

		   if($difference < 86400) return "I morgen";

		}

	   $tense         = "siden";

   for($j = 0; $difference >= $lengths[$j] && $j < count($lengths)-1; $j++) {
	   $difference /= $lengths[$j];
   }

   $difference = round($difference);

   if($difference != 1) {
	   //$periods[$j].= "s";
   }
	$siden = ($siden)? " siden" : "";
   return "$difference $periods[$j]{$siden}";
}

/* to get substring if exceed Limit */
function getLimitedToken($string, $your_desired_width){
  if(strlen($string)>$your_desired_width){
    return tokenTruncate($string, $your_desired_width).'...';
  }
  else{
    return $string;
  }
}

function NumberFormating($Numbers, $decimals = 2 , $decimal_sep = "," , $thousands_sep = " "){

    if(is_array($Numbers)):
        $Formatted = array();
        foreach ($Numbers as $NumberKey => $NumberValue) {
            $Formatted[$NumberKey] = number_format($NumberValue, $decimals, $decimal_sep, $thousands_sep);
        }
        return $Formatted;
    endif;

        return number_format($Numbers, $decimals, $decimal_sep, $thousands_sep);

}

function IsItVeryOld($time){
	$TwoDaysAgo = time() - (60*60*24*2);
   if($time <= $TwoDaysAgo) return true;
}


function isOnline(){
    if(isset($_SESSION["UserID"])) return true;
}

function OutputFacebookPictureLink($ID, $width = 500){
    return "http://graph.facebook.com/{$ID}/picture?height=".$width;
}

/**
 * Recording last time the user logged in
 */

if(isOnline()){
    $LastTimeConnected = $db->prepare("UPDATE Users SET UserLastLogin = NOW() WHERE UserID = ? ");
    $LastTimeConnected->execute(array($_SESSION["UserID"]));
}

function buildURL($data, $FullURL = 0){
    $url_parts = parse_url("http://".$_SERVER["HTTP_HOST"].$_SERVER["REQUEST_URI"]);
    if(isset($url_parts['query'])){
        parse_str($url_parts['query'], $params);
    }

    foreach($data as $key => $value){
        $params[$key] = $value;
    }

    // Note that this will url_encode all values
    $url_parts['query'] = http_build_query($params);

    if($FullURL){
        return $url_parts['scheme'] . '://' . $url_parts['host'] . $url_parts['path'] . '?' . $url_parts['query'];
    }
    return '?' . $url_parts['query'];
}

/**
 * Return true if we are in the page indicated
 * @param $filename
 * @return bool
 */
function isURL($filename){
    return $filename == str_replace(".php", "", substr(strrchr($_SERVER['PHP_SELF'],"/"), 1));
}

/**
 * Simplify using filters for INTEGERS
 * @param $x
 * @return mixed
 */
function FInt($x){
    return filter_var($x, FILTER_SANITIZE_NUMBER_INT);
}

/**
 * Simplify using filters for STRINGS
 * @param $x
 * @return mixed
 */
function FStr($x){
    return filter_var($x, FILTER_SANITIZE_SPECIAL_CHARS);
}

/**
 * UPLOADING IMAGES
 * NEEDS THIS CLASS : https://github.com/verot/class.upload.php
 */
$Upload = new upload($_FILES["bannerupload"]);
if($Upload->uploaded){
    $Upload->Process("../IMG/bannersystem/");
    if ($Upload->processed) {

        /**
         * PUT MORE CODE HERE - HERE IS WHEN ALL GOES WELL
         */
        $FileName = $Upload->file_dst_name;
        $Upload->clean();
    } else {
        echo 'error : ' . $Upload->error;
    }
}else{
    echo 'error : ' . $Upload->error;
    echo "<br><br>";
    echo "LOG: ". $Upload->log;
}


//Danish months
$danishMonths = array ( 1 => 'Januar', 2 => 'Februar', 3 => 'Marts', 4 => 'April',5 => 'Maj',6 => 'Juni',7 => 'Juli',8 => 'August',9 => 'September',10 => 'Oktober',11 => 'November',12 => 'December');
$danishMonthsShort = array( 1 => 'Jan', 2 => 'Feb',3 => 'Mar',4 => 'Apr',5 => 'Maj',6 => 'Jun',7 => 'Jul',8 => 'Aug',9 => 'Sep',10 => 'Okt',11 => 'Nov',12 => 'Dec');
//Danish days
$danishDays = array('Søndag', 'Mandag', 'Tirsdag', 'Onsdag', 'Torsdag', 'Fredag', 'Lørdag' );
$danishDaysShort = array( 'Søn', 'Man', 'Tir', 'Ons', 'Tor','Fre', 'Lør' );
//English months
$englishMonths = array(1 => 'January', 2 => 'February', 3 => 'March', 4 => 'April', 5 => 'May', 6 => 'June', 7 => 'July', 8 => 'August', 9 => 'September', 10 => 'October', 11 => 'November', 12 => 'December' );
$englishMonthsShort = array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');

//START: MakeSlug - Source https://code.google.com/archive/p/php-slugs/
function my_str_split($string)
{
    $slen = strlen($string);
    for ($i = 0; $i < $slen; $i++) {
        $sArray[$i] = $string{$i};
    }
    return $sArray;
}

function noDiacritics($string)
{
    //cyrylic transcription
    $cyrylicFrom = array('А', 'Б', 'В', 'Г', 'Д', 'Е', 'Ё', 'Ж', 'З', 'И', 'Й', 'К', 'Л', 'М', 'Н', 'О', 'П', 'Р', 'С', 'Т', 'У', 'Ф', 'Х', 'Ц', 'Ч', 'Ш', 'Щ', 'Ъ', 'Ы', 'Ь', 'Э', 'Ю', 'Я', 'а', 'б', 'в', 'г', 'д', 'е', 'ё', 'ж', 'з', 'и', 'й', 'к', 'л', 'м', 'н', 'о', 'п', 'р', 'с', 'т', 'у', 'ф', 'х', 'ц', 'ч', 'ш', 'щ', 'ъ', 'ы', 'ь', 'э', 'ю', 'я');
    $cyrylicTo = array('A', 'B', 'W', 'G', 'D', 'Ie', 'Io', 'Z', 'Z', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'R', 'S', 'T', 'U', 'F', 'Ch', 'C', 'Tch', 'Sh', 'Shtch', '', 'Y', '', 'E', 'Iu', 'Ia', 'a', 'b', 'w', 'g', 'd', 'ie', 'io', 'z', 'z', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'r', 's', 't', 'u', 'f', 'ch', 'c', 'tch', 'sh', 'shtch', '', 'y', '', 'e', 'iu', 'ia');

    $from = array("Á", "À", "Â", "Ä", "Ă", "Ā", "Ã", "Å", "Ą", "Æ", "Ć", "Ċ", "Ĉ", "Č", "Ç", "Ď", "Đ", "Ð", "É", "È", "Ė", "Ê", "Ë", "Ě", "Ē", "Ę", "Ə", "Ġ", "Ĝ", "Ğ", "Ģ", "á", "à", "â", "ä", "ă", "ā", "ã", "å", "ą", "æ", "ć", "ċ", "ĉ", "č", "ç", "ď", "đ", "ð", "é", "è", "ė", "ê", "ë", "ě", "ē", "ę", "ə", "ġ", "ĝ", "ğ", "ģ", "Ĥ", "Ħ", "I", "Í", "Ì", "İ", "Î", "Ï", "Ī", "Į", "Ĳ", "Ĵ", "Ķ", "Ļ", "Ł", "Ń", "Ň", "Ñ", "Ņ", "Ó", "Ò", "Ô", "Ö", "Õ", "Ő", "Ø", "Ơ", "Œ", "ĥ", "ħ", "ı", "í", "ì", "i", "î", "ï", "ī", "į", "ĳ", "ĵ", "ķ", "ļ", "ł", "ń", "ň", "ñ", "ņ", "ó", "ò", "ô", "ö", "õ", "ő", "ø", "ơ", "œ", "Ŕ", "Ř", "Ś", "Ŝ", "Š", "Ş", "Ť", "Ţ", "Þ", "Ú", "Ù", "Û", "Ü", "Ŭ", "Ū", "Ů", "Ų", "Ű", "Ư", "Ŵ", "Ý", "Ŷ", "Ÿ", "Ź", "Ż", "Ž", "ŕ", "ř", "ś", "ŝ", "š", "ş", "ß", "ť", "ţ", "þ", "ú", "ù", "û", "ü", "ŭ", "ū", "ů", "ų", "ű", "ư", "ŵ", "ý", "ŷ", "ÿ", "ź", "ż", "ž");
    $to = array("A", "A", "A", "AE", "A", "A", "A", "A", "A", "AE", "C", "C", "C", "C", "C", "D", "D", "D", "E", "E", "E", "E", "E", "E", "E", "E", "G", "G", "G", "G", "G", "a", "a", "a", "ae", "ae", "a", "a", "a", "a", "ae", "c", "c", "c", "c", "c", "d", "d", "d", "e", "e", "e", "e", "e", "e", "e", "e", "g", "g", "g", "g", "g", "H", "H", "I", "I", "I", "I", "I", "I", "I", "I", "IJ", "J", "K", "L", "L", "N", "N", "N", "N", "O", "O", "O", "OE", "O", "O", "O", "O", "CE", "h", "h", "i", "i", "i", "i", "i", "i", "i", "i", "ij", "j", "k", "l", "l", "n", "n", "n", "n", "o", "o", "o", "oe", "o", "o", "o", "o", "o", "R", "R", "S", "S", "S", "S", "T", "T", "T", "U", "U", "U", "UE", "U", "U", "U", "U", "U", "U", "W", "Y", "Y", "Y", "Z", "Z", "Z", "r", "r", "s", "s", "s", "s", "ss", "t", "t", "b", "u", "u", "u", "ue", "u", "u", "u", "u", "u", "u", "w", "y", "y", "y", "z", "z", "z");

    $from = array_merge($from, $cyrylicFrom);
    $to = array_merge($to, $cyrylicTo);

    $newstring = str_replace($from, $to, $string);
    return $newstring;
}

function makeSlugs($string, $maxlen = 0)
{
    $newStringTab = array();
    $string = strtolower(noDiacritics($string));
    if (function_exists('str_split')) {
        $stringTab = str_split($string);
    } else {
        $stringTab = my_str_split($string);
    }

    $numbers = array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "-");
    //$numbers=array("0","1","2","3","4","5","6","7","8","9");

    foreach ($stringTab as $letter) {
        if (in_array($letter, range("a", "z")) || in_array($letter, $numbers)) {
            $newStringTab[] = $letter;
        } elseif ($letter == " ") {
            $newStringTab[] = "-";
        }
    }

    if (count($newStringTab)) {
        $newString = implode($newStringTab);
        if ($maxlen > 0) {
            $newString = substr($newString, 0, $maxlen);
        }

        $newString = removeDuplicates('--', '-', $newString);
    } else {
        $newString = '';
    }

    return $newString;
}

function checkSlug($sSlug)
{
    if (preg_match("/^[a-zA-Z0-9]+[a-zA-Z0-9\-]*$/", $sSlug) == 1) {
        return true;
    }

    return false;
}

function removeDuplicates($sSearch, $sReplace, $sSubject)
{
    $i = 0;
    do {

        $sSubject = str_replace($sSearch, $sReplace, $sSubject);
        $pos = strpos($sSubject, $sSearch);

        $i++;
        if ($i > 100) {
            die('removeDuplicates() loop error');
        }

    } while ($pos !== false);

    return $sSubject;
}
//END: MakeSlug - Source https://code.google.com/archive/p/php-slugs/