how to create a base64encoded string from image resource

php gdlib
netzaffin picture netzaffin · Dec 14, 2011 · Viewed 26.2k times · Source

I have sent a base64 encoded string via AJAX to PHP and created an image resource with imagecreatefromstring - all is fine.

Now I want to get the base64 encoded string after resizing te image, but i CANT find a function to get the base64encoded string.

Answer

Michael Robinson picture Michael Robinson · Dec 14, 2011

Taken from http://www.php.net/manual/en/book.image.php#93393

$image = imagecreatefromstring($file);

// start buffering
ob_start();
imagepng($image);
$contents =  ob_get_clean();

echo "<img src='data:image/png;base64,".base64_encode($contents)."' />";

imagedestroy($image);

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