<?

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;