create thumbnail from images in PHP

if(preg_match('/[.](jpg)$/', $filename)) {

$im = imagecreatefromjpeg($file . $filename);

} else if (preg_match('/[.](gif)$/', $filename)) {

$im = imagecreatefromgif($file . $filename);

} else if (preg_match('/[.](png)$/', $filename)) {

$im = imagecreatefrompng($file . $filename);

}

$ox = imagesx($im);

$oy = imagesy($im);

$nx = $final_width_of_image;

$ny = floor($oy * ($final_width_of_image / $ox));

$nm = imagecreatetruecolor($nx, $ny);

imagecopyresized($nm, $im, 0,0,0,0,$nx,$ny,$ox,$oy);

imagejpeg($nm, $thumnailDir . $filename,100);

$tn = '

$tn .= '
Congratulations. Your file has been successfully uploaded, and a thumbnail has been created.';

echo $tn;

here is the code m using for creating a thumbnail image... but it returns me an image of 0 bytes... can any one help me with this where I am making mistake?

1 Reply

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Upendra Pratap Shahi11y ago
Read below article :

http://webcheatsheet.com/php/create_thumbnail_images.php

http://phpthumb.sourceforge.net/
http://php.net/manual/en/imagick.thumbnailimage.php
http://stackoverflow.com/questions/11376315/creating-a-thumbnail-from-an-uploaded-image
http://www.plus2net.com/php_tutorial/php_thumbnail.php

if your problem resolved kindly mark the answer as accepted answer
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