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What are common errors when using the imagegif() function in PHP?

One common error when using the imagegif() function in PHP is not providing the correct image resource as the first parameter. To solve this issue, make sure to create an image resource using functions like imagecreatefromjpeg() or imagecreatefrompng() before passing it to imagegif(). Additionally, ensure that the file path provided as the second parameter exists and has the correct permissions.

php 
// Correct way to use imagegif() function in PHP
$image = imagecreatefromjpeg('image.jpg');
imagegif($image, 'output.gif');
imagedestroy($image);

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