<?
ini_set('error_reporting', E_ALL);
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
function resize ($filename, $size)
{
$pref = 'mini_';
$img = strtolower(strrchr(basename($filename), "."));
$imgname = basename($filename);
$formats = array('.jpg', '.gif', '.png', '.bmp');
if (in_array($img, $formats))
{
list($width, $height) = getimagesize($filename);
$new_height = $height * $size;
$new_width = $new_height / $width;
$thumb = imagecreatetruecolor($size, $new_width);
switch ($img)
{
case '.jpg': $source = @imagecreatefromjpeg($filename); break;
case '.gif': $source = @imagecreatefromgif($filename); break;
case '.png': $source = @imagecreatefrompng($filename); break;
case '.bmp': $source = @imagecreatefromwbmp($filename); break;
}
imagecopyresized($thumb, $source, 0, 0, 0, 0, $size, $new_width, $width, $height);
switch ($img)
{
case '.jpg': imagejpeg($thumb, $pref.$imgname); break;
case '.gif': imagegif($thumb, $pref.$imgname); break;
case '.png': imagepng($thumb, $pref.$imgname); break;
case '.bmp': imagewbmp($thumb, $pref.$imgname); break;
}
}
else return 'Error';
@imagedestroy($thumb);
@imagedestroy($source);
return $imgname;
}
echo '<img src="mini_'.resize('60/16035302911.jpg',200).'" />';
?>
//пример для удобства
$file_original = "img/123.jpg";
//это имя нового файла, с которым он будет сохранен
$file_preview = "img/previe/123.jpg";
list($width, $height) = getimagesize($file_original);
$image_original = imagecreatefromjpeg($filename);
$image_preview = imagecreatetruecolor(200, 200);
imagecopyresampled($image_preview, $image_original, 0, 0, 0, 0, 200, 200, $width, $height);
imagejpeg($image_preview, $file_preview);
imagedestroy($image_original);
imagedestroy($image_preview);
$file_original = "img/123.jpg";
$filestr = explode("/", $file_original);
$filename = $filestr[count($filestr) - 1];
$file_preview = "img/previe/".$filename;