What are some potential pitfalls when using the imagecopy function in PHP to save an image as a PNG or JPG file?

One potential pitfall when using the imagecopy function in PHP to save an image as a PNG or JPG file is not specifying the correct image type when saving the file. This can result in the image being saved in an incorrect format or not being saved at all. To solve this issue, you should use the imagepng or imagejpeg function to save the image in the desired format. 

// Example of saving an image as a PNG file using imagepng function
$source = imagecreatefromjpeg('image.jpg');
$destination = imagecreatetruecolor(200, 200);
imagecopy($destination, $source, 0, 0, 0, 0, 200, 200);
imagepng($destination, 'output.png');
imagedestroy($source);
imagedestroy($destination);

Keywords

imagecopy PHP PNG JPG file saving

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