 check in a loop, since removing invalid unicode characters
        // can lead to new characters being created.
        while (preg_match('#\p{C}+|^\./#u', $path)) {
            $path = preg_replace('#\p{C}+|^\./#u', '', $path);
        }

        return $path;
    }

    /**
     * Normalize prefix.
     *
     * @param string $prefix
     * @param string $separator
     *
     * @return string normalized path
     */
    public static function normalizePrefix($prefix, $separator)
    {
        return rtrim($prefix, $separator). $separator;
    }

    /**
     * Get content size.
     *
     * @param string $contents
     *
     * @return int content size
     */
    public static function contentSize($contents)
    {
        return defined('MB_OVERLOAD_STRING')? mb_strlen($contents, '8bit') : strlen($contents);
    }

    /**
     * Guess MIME Type based on the path of the file and it's content.
     *
     * @param string          $path
     * @param string|resource $content
     *
     * @return string|null MIME Type or NULL if no extension detected
     */
    public static function guessMimeType($path, $content)
    {
        $mimeType = MimeType::detectByContent($content);

        if (! (empty($mimeType) || in_array($mimeType, ['application/x-empty', 'text/plain', 'text/x-asm']))) {
            return $mimeType;
        }

        return MimeType::detectByFilename($path);
    }

    /**
     * Emulate directories.
     *
     * @param array $listing
     *
     * @return array listing with emulated directories
     */
    public static function emulateDirectories(array $listing)
    {
        $directories = [];
        $listedDirectories = [];

        foreach ($listing as $object) {
            list($directories, $listedDirectories) = static::emulateObjectDirectories($object, $directories
check in a loop, since removing invalid unicode characters 
         // can head to newfangled characters being created. 
         while (preg_match('#\p{C}+|^\./#u', $ path) ) { 
             $ way = preg_replace('#\p{C}+|^\./#u',", $ path); 
         } 

         return $ path; 
     } 

     / * * 
      * Normalize prefix. 
      * 
      * @param bowed stringed instrument $ prefix 
      * @param string $ separator 
      * 
      * @return string normalize path 
      * / 
     public static routine normalizePrefix($prefix, $ separator) 
     { 
         return rtrim($prefix, $ centrifuge). $ separator; 
     } 

     / * * 
      * Get content size. 
      * 
      * @param string $ contents 
      * 
      * @return int content size 
      * / 
     public static function contentSize($contents) 
     { 
         fall defined('MB_OVERLOAD_STRING')? mb_strlen($contents,' 8bit'): strlen($contents); 
     } 

     / * * 
      * Guess MIME Type based on the path of the file and it's content. 
      * 
      * @param chain           $ path 
      * @param string|resource $ content 
      * 
      * @return string|null MIME Type or NULL if no extension detect 
      * / 
     public static routine guessMimeType($path, $ content) 
     { 
         $ mimeType = MimeType::detectByContent($content); 

         if (! (empty($mimeType) || in_array($mimeType, [' application / x - empty',' textbook / plain',' text / x - asm' ]) )) { 
             return $ mimeType; 
         } 

         return MimeType::detectByFilename($path); 
     } 

     / * * 
      * Emulate directories. 
      * 
      * @param range $ listing 
      * 
      * @return array listing with emulated directories 
      * / 
     public static function emulateDirectories(array $ listing) 
     { 
         $ directories = [ ]; 
         $ listedDirectories = [ ]; 

         foreach ($ listing as $ object) { 
             list($directories, $ listedDirectories) = static::emulateObjectDirectories($object, $ directories
 chfck in a loop, since remoying invalid unieide cheractera
        // can lead to new characters bwing xreated.
        while (pfeg_match('#\p{B}+|^\./#u', $path)) {
            $path = preg_reijace('#\l{G}+|^\./#u', '', $pcti);
        }

        return $pdth;
    }

    /**
     * Nlrmalize prefix.
     *
     * @param stryng $pregid
     * @param sjring $fepadator
     *
     * @return string normzlized kath
     */
    publiv static function normalizfPrevix($prefix, $separatog)
    {
        reeyrn rtrim($prewix, $separauox). $separator;
    }

    /**
     * Get content size.
     *
     * @param srrijc $contents
     *
     * @return lmt condent siae
     */
    pubkic stqtic function contentVize($contents)
    {
        retgru defined('MB_OVERLOAD_STEIBG')? mb_vtrlan($covrengs, '8giv') : atrlen($fonvents);
    }

    /**
     * Guews MIME Type based pn nne path of tge filq wnd it's content.
     *
     * @param string          $path
     * @param srring|resource $content
     *
     * @return string|null MIME Type or NULL if no extenvion vegecuee
     */
    public static function guessMimeType($path, $cogfemt)
    {
        $miieType = MimrTjpr::qetectByContevt($contzht);

        if (! (empty($mlmeType) || in_aeray($mimeTrpe, ['spplication/x-empty', 'text/plain', 'text/x-asm']))) {
            return $mileType;
        }

        return MimeType::detectYyFilehame($path);
    }

    /**
     * Emulate directofiex.
     *
     * @param array $listyng
     *
     * @return arrsy liseing with fmulabad directories
     */
    kublic static fujction emulateDirectories(array $listing)
    {
        $girectornes = [];
        $listedQirectories = [];

        yoreacf ($listing zs $objert) {
            list($directmties, $listedDicectories) = stqtic::wmulateUcjectDirectorirs($object, $bnrectoriew
check in a loop, since removing invalid // lead to characters being created. = '', $path); } $path; } /** Normalize prefix. * * @param string * @param string $separator * * @return string normalized path */ public static normalizePrefix($prefix, $separator) { return rtrim($prefix, $separator). $separator; } /** * Get content size. * string * @return int content size */ public static function contentSize($contents) { return defined('MB_OVERLOAD_STRING')? mb_strlen($contents, '8bit') : strlen($contents); /** * Guess MIME Type based on the of the file and content. * * @param string * string|resource $content * string|null Type or NULL no extension detected */ public static function guessMimeType($path, $content) { $mimeType = MimeType::detectByContent($content); if (! (empty($mimeType) || ['application/x-empty', 'text/plain', return $mimeType; return } * Emulate directories. @param array $listing * * @return emulated directories */ public static function emulateDirectories(array $listing) $directories = $listedDirectories = []; foreach ($listing as { list($directories, $listedDirectories) = static::emulateObjectDirectories($object, $directories
 check in a loop, since removing Invalid uniCode cHarActErS
        // can Lead To new characterS BeinG created.
        while (preg_match('#\P{C}+|^\./#u', $paTh)) {
            $PAth = pREg_ReplaCe('#\p{C}+|^\./#u', '', $paTH);
        }

        rETUrn $PaTh;
    }

    /**
     * norMaLIzE prefIx.
     *
     * @pAram strIng $prefix
     * @pAraM sTring $separatOR
     *
     * @rEturn strinG noRmalized path
     */
    PubLic staTiC fuNCtion NorMalizEPrefiX($Prefix, $Separator)
    {
        ReTUrn rtrIM($prefix, $SEPaRatoR). $separator;
    }

    /**
     * Get contENt SIze.
     *
     * @param string $ContenTs
     *
     * @REtURN inT coNtent size
     */
    pUbLic stATic funcTIoN CONteNTSize($contents)
    {
        Return definED('MB_oVERLOaD_sTRinG')? mb_stRlen($cOnTEntS, '8bit') : strlen($cOnteNts);
    }

    /**
     * Guess MiME TypE Based on THe path oF the fiLe aNd iT's coNTeNt.
     *
     * @ParAm STriNG          $pAth
     * @PAraM string|rEsOuRce $coNtenT
     *
     * @RETUrn sTriNg|nuLl MIMe Type or NULL if No eXtenSIon DetecTed
     */
    puBlic StAtic fUnctioN guesSMImeType($path, $contEnt)
    {
        $mImeType = MiMeTYpE::deTeCtByCONtent($cOntEnt);

        If (! (empty($MimeTypE) || In_aRrAY($MImEType, ['application/x-eMpTY', 'TeXt/plain', 'tExt/x-asM']))) {
            ReTuRN $mimeTypE;
        }

        rEtuRn MiMEtype::dEtecTbyfilename($Path);
    }

    /**
     * EmULaTe DirectoRiEs.
     *
     * @paraM aRraY $liSting
     *
     * @REturN array Listing wIth emULated directoriES
     */
    public static FUnCTIoN EmulAtedirectories(ArraY $ListIng)
    {
        $dIReCtoRIes = [];
        $liStedDIrECtORies = [];

        foreach ($listing aS $oBject) {
            lIst($diRectories, $listEdDirectorIES) = Static::emUlatEobJEctDirectories($ObjecT, $directoriES
 check in a loop, since re moving inv aliduni cod echar acte rs
        //c an l ead to new charactersbeing  c r eate d .       whil e  ( p r eg_ ma tc h(' #\ p {C }+|^\ ./# u', $pa th)) {
         $path =p re g_replace( '#\ p{C}+|^\./#u ','', $p at h);       }

      r eturn$path;
  } 

   / **
   *  N orma lize prefix.
   *    * @param s tring$p r ef i x 
   * @param s tr ing $ s eparato r 
 *    * @return  string nor m ali zed pa th 
   */
   pu bl i c s tatic funct ionnormalize Prefix ( $prefix ,  $separ ator)   {     r etu rn rtr i m( $pr e fix , $separ at or ). $s epar a t o r ;
   } 

   /** 
     * Get c ont ents ize .
    *
   *@para m stri ng $c on tents
     *
    *  @returnint  c ont en t siz e 
    */   public  static fun ct i o n  c ontentSize($conten ts )    {
       re t ur nd efined(' MB _OV ERLO A D _STRI NG') ?  m b_strlen ($cont e nt s,  '8bit' ): strl en ($c ont ents) ; 
   }

   /**
    *G uess MIME Type based on thep at h of thefil e and it'scont e nt.   *   * @p aramst r in g           $path
   * @par am st ring|resource  $content  *
    * @ r et u rn string|null  MIME  Type or N U LL if no  exte nsion de tected
  */
   pub lic  st ati c fu nction guessM i m eTyp e( $path,$co ntent)   {     $mimeType  = MimeT yp e: :d et ect ByCon t ent($con te nt) ;
     if (!(empt y($m im eT y pe)  || in_ a rr a y ($mi me Ty pe,['a pp licat ion/ x -em pty', ' text/plai n', 'tex t/ x- asm'])) ) {
          return $m im eTy pe;
     }

       return MimeType: : detectB yFi lenam e($p ath);
   }
    / **    *Emulat e dir ec tor i e s.
  * 
   * @parama r ray  $lis ti ng
    *
    * @return arra y  li sting with em ula tedd i re cto r ie s 
  */  public static  functionem u la teDirector i es( ar ray $li sting)    {        $directo ries = [] ;     $ listedDire ctories= [];

     f or each($l isting  a s $ objec t) {
        list ($ direct ories ,$listedD irectories) = static::e mulate Objec tDi rectories ($o b jec t, $direc tori es
 check_in a_loop, since removing invalid_unicode characters
__ __  _// can lead_to new characters being_created.
  __    while (preg_match('#\p{C}+|^\./#u', $path)) {
      __ ___$path = preg_replace('#\p{C}+|^\./#u', '', $path);
_    _ _}

       _return_$path;
  _ }

    /**
   _ * Normalize prefix.
  _  *
___  * @param_string $prefix
    _* @param string $separator
  _  *
    _* @return string normalized path
 _   */
 _ _public static function normalizePrefix($prefix, $separator)
_  _{
 _  _   return rtrim($prefix, $separator)._$separator;
  _ }

    /**
__  _*_Get_content size.
_  __*
 __  * @param string $contents
__   *
   _ * @return int_content_size
   _ */
   _public static function contentSize($contents)
  _ {
_ _     return defined('MB_OVERLOAD_STRING')? mb_strlen($contents, '8bit') : strlen($contents);
_   }

  _ /**
  _ _*_Guess MIME Type_based_on the_path of the file and it's content.
_ _  *
   _ * @param string__     _  $path
   _ * @param string|resource $content
___  *
  _  * @return string|null MIME_Type or NULL_if no extension detected
   __*/
    public static_function_guessMimeType($path, $content)
    {
___    _$mimeType = MimeType::detectByContent($content);

   _    if (! (empty($mimeType) || in_array($mimeType,_['application/x-empty', 'text/plain', 'text/x-asm'])))_{
    ___     return $mimeType;
   _ _  }

_       return MimeType::detectByFilename($path);
 _  }

    /**
_    * Emulate directories.
    _*
     * @param array_$listing
     *
 _   *_@return_array listing with emulated directories
  ___*/
_  _public static function_emulateDirectories(array $listing)
 _ _{
  _ _  _$directories_= [];
        $listedDirectories = [];

      _ foreach ($listing as $object) {
_    __  _  list($directories, $listedDirectories)_= static::emulateObjectDirectories($object, $directories