Načítání souborů ze složky

$directory = opendir(getcwd());
while($filename = readdir($directory)){
  #ignore . and .. as well as existing thumbnails
  if((strlen($filename) > 2) && (strcasecmp(substr($filename, 0, 5), 'thumb') != 0)){
    $localext = substr($filename, -3);
    if(strcasecmp($localext, 'jpg') != 0)
      continue;
    else{
      array_push($jpegs, $filename);
    }
  }
}

$directory = opendir(getcwd()."/images/");
while($filename = readdir($directory)){
  #ignore . and .. as well as existing thumbnails
  if((strlen($filename) > 2) && (strcasecmp(substr($filename, 0, 5), 'thumb') != 0)){
    $localext = substr($filename, -3);
    if(strcasecmp($localext, 'jpg') != 0)
      continue;
    else{
      array_push($jpegs, $filename);
    }
  }
}

$directory = opendir(dirname('images/'));

<?php

$template = "";
$thumbw = 0;
$thumbh = 130;
$perrow = 3;
$perpage = 9;
$tableborder = 0;
$tablewidth = "85%";
$cellspacing = 3;
$bgcolor = "#f0f0f0";
$fontface = "Verdana, Arial";
$fontsize = 2;
$showname = 0;
$showcoords = 1;
$showsize = 1;
$linkurl = "%picname%";

set_time_limit(0);

#Open the cwd and build a list of JPG files
$jpegs = array();
$directory = opendir(dirname('images/'));
while($filename = readdir($directory)){
  #ignore . and .. as well as existing thumbnails
  if((strlen($filename) > 2) && (strcasecmp(substr($filename, 0, 5), 'thumb') != 0)){
    $localext = substr($filename, -3);
    if(strcasecmp($localext, 'jpg') != 0)
      continue;
    else{
      array_push($jpegs, $filename);
    }
  }
}

sort($jpegs);
reset($jpegs);

#Now that we have the files, we need to create thumbs if
#they don't exist
foreach($jpegs as $var){
  if(!file_exists("images/thumb_$var")){
    if(!isset($pleasehold)){
      $pleasehold = 1;
      echo "<font face='$fontface' size='$fontsize'><b>Prosím počkejte...</b><br><br>Byly nalezeny nové obrázky v této galerii a musí se vytvořit pro Vás zmenšené náhledy.<br><br>Probíhá vytváření náhledu obrázku: ";
      flush();
    }
    echo "<font face='$fontface' size='$fontsize'>$var... </font>";
    flush();
    makejpegthumb("images/$var", $thumbw, $thumbh, "images/thumb_$var", 100);
  }
}
if($pleasehold){
  echo "<font face='$fontface' size='$fontsize'><br><br><b>Náhledy byly vytvořeny!</b>Nyní si je můžete níže prohlédnout.</font><br>";
}

#Build the navigation links
$nav = "<center><font face='$fontface' size='$fontsize'>";
#$numlinks = round(count($jpegs)/$perpage, 0);
$numlinks = (int)ceil(count($jpegs)/$perpage);
$linkstart = 1;
for($i=1; $i<=$numlinks; $i++){
  $nav .= "<a href='$_SERVER[PHP_SELF]?start=$linkstart' title='Go to page $i'><b>Strana $i</b></a> ";
  $linkstart += $perpage;
}
$nav .= '</font></center><br>';

$output = "$nav\n";

#It's time to display the gallery!
$picnum = (isset($_GET[start])) ? (($_GET[start] == 0) ? 0 : $_GET[start] - 1) : 0;
$output .= <<<EOT
<!-- Begin Gallerize Output - Gallerize from http://www.phplabs.com/ -->\n\n<table width="$tablewidth" border="$tableborder" cellspacing="$cellspacing" align="center">
EOT;
for($i=0; $i<(int)($perpage/$perrow); $i++){
  $output .= '<tr>';
  for($j=0; $j<$perrow; $j++){
    $output .= "<td align='center' valign='middle'>";
    if(file_exists($jpegs[$picnum])){
      $target = str_replace('%picname%', $jpegs[$picnum], $linkurl);
      $output .= "<a href=javascript:void(0); onClick=fullScreen('view.php?soubor=$target'); class='gradualfader' style='width: 95%'><img src='images/thumb_$jpegs[$picnum]' border='2' style='border-color: #000000' alt='Click to view $jpegs[$picnum]'></a>";
      if($showname == 1){
        $output .= "<br><font face='$fontface' size='$fontsize'><b>$jpegs[$picnum]</b></font>";
      }
      if($showcoords == 1){
        $coords = getimagesize($jpegs[$picnum]);
        $output .= "<br><font face='$fontface' size='$fontsize'>$coords[0] x $coords[1]</font>";
      }
      if($showsize == 1){
        $output .= "<br><font face='$fontface' size='$fontsize'><b>" . sprintf("%.02f", (float)(filesize($jpegs[$picnum]) / 1024)) . 'kB</b></font>';
      }
      $output .= "\n";
    }
    $picnum++;
  }
  $output .= '</tr>';
}
$output .= "</table><br>$nav\n\n";

$template = str_replace('%output%', $output, $template);
if($header){
  include($header);
}
echo $template;
if($footer){
  include($footer);
}

#Make a JPG thumbnail of a source image
function makejpegthumb($infile, $outxcoord, $outycoord, $outfile, $quality){
  $insize = getimagesize("$infile");

  $inxcoord = $insize[0];
  $inycoord = $insize[1];
  $inresource = imageCreateFromJPEG("$infile");

  if($outxcoord == 0){
    #auto-width: calculate new width based on ratio of old to new height
    $ratio = (float)($outycoord / $inycoord);
    $outxcoord = $inxcoord * $ratio;
  }
  else if($outycoord == 0){
    #auto-height: calculate new height based on ratio of old to new height
    $ratio = (float)($outxcoord / $inxcoord);
    $outycoord = $inycoord * $ratio;
  }

  $outresource = imagecreatetruecolor($outxcoord, $outycoord);

  $target_pic = imagecopyresampled($outresource, $inresource, 0, 0, 0, 0, $outxcoord, $outycoord, $inxcoord, $inycoord);
  imagejpeg($outresource, "$outfile", 85);
}

?>

$jpegs

$jpegs

'images/'.$jpegs

$perrow = 3;

$perpage = 9;

$jpegs

'images/'.$jpegs